highaltitude.log.20130916

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[06:07] <Chetic> someone said connect tx to the ublox gps and radio transmitter so I can control the gps receiver
[06:07] <Chetic> but it works fine without any commands
[06:07] <Chetic> what am I missing?
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[06:09] <adamgreig> Chetic: you need to send the ublox a command to set the mode to Flight Mode
[06:09] <adamgreig> otherwise it will not function above 18km or so
[06:10] <adamgreig> (but work fine on the ground!)
[06:18] <Chetic> ohh right!!
[06:18] <Chetic> phew
[06:18] <Chetic> haha
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[07:09] <fsphil> morning all
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[07:31] <domlin> morning all
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[07:34] <eroomde_> adamgreig: a good thing for productivity: new ipython
[07:35] <adamgreig> oho?
[07:35] <eroomde_> adamgreig: a bad thing for productivity: http://openra.res0l.net/
[07:35] <adamgreig> I've been cutting myself on stupid bleeding edge all morning
[07:35] <adamgreig> omg why would you link that to me
[07:35] <adamgreig> oh god no
[07:35] <eroomde_> it's amazing
[07:35] Action: adamgreig bookmarks and closes before he can download
[07:35] <eroomde_> i'm not normally a game person
[07:35] <eroomde_> but this
[07:35] <eroomde_> lost hours yetserday
[07:35] <adamgreig> ra is wonderful
[07:35] <adamgreig> p.s. this morning: https://www.dropbox.com/sc/yr923884unua3r0/oF1qViZ_1x
[07:35] <eroomde_> upon which bleeding edge are you cutting yourself?
[07:36] <adamgreig> various python gubbins
[07:36] <eroomde_> beatuiful!
[07:36] <adamgreig> django-rest-framework
[07:36] <eroomde_> challah?
[07:36] <adamgreig> meant to be kaiser i guess
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[07:36] <adamgreig> but really i just made some sourdough dough and rolled it and knotted it and baked it
[07:36] <adamgreig> >_>
[07:37] <eroomde_> :)
[07:37] <adamgreig> ugh
[07:37] <adamgreig> so like
[07:38] <adamgreig> the absolute latest version of django-rest-framework moved some functions so now the latest version of django-rest-swagger (beauitful autogen docs) doesn't work
[07:38] <adamgreig> there's an open github issue on it from like 7 hours ago
[07:38] <adamgreig> so that'l probably be fixed in a few days
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[07:38] <eroomde_> and until then
[07:38] <eroomde_> poobum
[07:39] <eroomde_> are you using it for work?
[07:39] <adamgreig> there's another open issue on django-rest-framework itself about supporting nested routes, which is a thing I definitely want/need, and it looks like the code is all there, but the maintainer doesn't want to merge it into core, so asked the guy to make a new package with it
[07:39] <adamgreig> and the guy said "yup i will do that, but no free time until sep 16"
[07:39] <adamgreig> i.e. TODAY
[07:39] <adamgreig> like all this development appears to be happening directly around me
[07:39] <eroomde_> bleeding edge :)
[07:39] <adamgreig> but for the last _month_ I've kept running into issues resolved by waiting a few days
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[07:39] <adamgreig> pybcrypt released 0.4 two days after I needed it (added py3 support)
[07:40] <adamgreig> and there were two other stupid bugs/issues/things that had open github issues
[07:40] <eroomde_> i've never lived on the bleeding edge like that before
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[07:40] <adamgreig> or like, master had the fix, and I just needed the new develop release
[07:40] <adamgreig> oh celery has one too
[07:40] <adamgreig> I don't understand. I didn't set out to do this
[07:40] <adamgreig> just all the features I want are apparently bleeding edge
[07:40] <adamgreig> oh well I went with py3
[07:40] <adamgreig> which I don't regret, everything should bloody support it by now, no excuse. but too much still doesn't
[07:40] <adamgreig> like opencv
[07:40] <adamgreig> cannot work with py3
[07:41] <adamgreig> which is a big bummer
[07:41] <adamgreig> and yea, this is work stuff
[07:41] <eroomde_> yeah i guess that's a lot of it
[07:41] <eroomde_> we're about to do some stuff with libCVD
[07:41] <adamgreig> I have spent the last two weeks or something (before I was ill anyway) setting up this other database
[07:41] <eroomde_> ed rosten's thing
[07:41] <adamgreig> SVD?
[07:41] <eroomde_> CVD
[07:41] <adamgreig> and writing all this other code
[07:41] <adamgreig> and it was all a total nightmare
[07:41] <adamgreig> and then at 3am today I was like, fuck this
[07:41] <adamgreig> see how long it takes if I just use postgres like a sane person
[07:41] <LeoBodnar> morning!
[07:41] <eroomde_> http://www.edwardrosten.com/cvd/
[07:42] <eroomde_> it's a library that is basically just drivers and housekeeping
[07:42] <adamgreig> oh handy
[07:42] <eroomde_> it can take almost any kind of camera and turn it into some pointers to pixel values
[07:42] <eroomde_> whatever it is, be it weird 24bit medical imaging or craptacular usb webcams or whatever
[07:42] <adamgreig> very handy
[07:42] <eroomde_> we're looking at some firewire cams (nice ones with externally triggered global shutters) for the test rig
[07:43] <adamgreig> uh huh
[07:43] <eroomde_> to keep it synced with the dataloggers
[07:43] <adamgreig> I was into this once, for my research project at surrey
[07:43] <adamgreig> the nice firewire cams are not cheap
[07:43] <m3eav> is M6RPI still launching today?
[07:43] <eroomde_> no indeed
[07:43] <eroomde_> they're not
[07:43] <adamgreig> had a whole catalogue of them at one point
[07:43] <adamgreig> my goodness, they come in quite the variety
[07:43] <eroomde_> but, put in some budget for exactly this
[07:43] <fsphil> m3eav: yes I believe so
[07:43] <adamgreig> yea, they deliver
[07:43] <adamgreig> no rolling shutters too
[07:43] <fsphil> m3eav: but it's in Spain, so don't expect to receive it in the UK :)
[07:43] <eroomde_> and we have whole boxes full of c-mount lenses in storage
[07:43] <eroomde_> morning LeoBodnar
[07:44] <m3eav> thanks fsphil, might give it ago as i have nothing but sea water between me and him, you never know
[07:44] <fsphil> it's not unheard of
[07:44] <m3eav> yeah i got APRS direct to madrid the other week, :-)
[07:45] <m3eav> a good lift was on but i suspect i wont get this, still try though
[07:45] <m3eav> see ya about 1pm...
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[07:49] <Lunar_LanderU> hello
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[08:06] <DL1SGP> Good morning!
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[08:19] <nats`> hi
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[08:38] <G0TDJ_Steve> Good Morning Folks
[08:44] <DL1SGP> Good Morning Steve
[08:44] <G0TDJ_Steve> Hiya DL1SGP - Quiet in here this morning?
[08:45] <mfa298> good moaning
[08:45] <G0TDJ_Steve> Hi mfa298
[08:45] <mfa298> there was a flurry of activiy about an hour ago but quiet since
[08:45] <DL1SGP> heh guess many are abck to work now that the weekend is over :)
[08:46] <G0TDJ_Steve> I expect that's it. I'm lucky enough to 'work' from home
[08:48] <mfa298> you just have to learn to never let work get in the way of IRC.
[08:49] <G0TDJ_Steve> :D I don't generally
[08:49] <mfa298> it's a great tool for meetings (expecially the kind that all staff have to go to)
[08:52] <DL1SGP> yeah IRC rocks, lightweight, geek looking compared to social platform chats... make it looks like an ssh console and tell folks you are doing maintenance on a severely unstable server... off you go :)
[08:52] <G0TDJ_Steve> I've been using it on and off since I got online... a long time ago
[08:53] <mfa298> run irssi in screen and it is an ssh console and a quick key press to a config file
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[08:54] <Babs> Ping hixwork
[08:54] <Babs> or hix for that matter
[08:57] <tweetBot> @thoughtstore: "Low-budget way to send your stuff into space - New Scientist" http://t.co/C6Omc4IKaX #ukhas #cubesat #science #space
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[09:06] <G0TDJ_Steve> Looking forward to the LOHAN launch later. I'm going to try and track it remotely
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[09:07] <mfa298> there's a distinct lack of any information on that sent into space site.
[09:07] <G0TDJ_Steve> Tweeted by Dave: Packed up ready to hit the road. Supplies first then to find a launch site. #lohanspaceplane
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[09:07] <G0TDJ_Steve> Morning Dave
[09:10] <daveake> gm :)
[09:11] <daveake> Just about to set off
[09:11] <daveake> Prediction: http://predict.habhub.org/#!/uuid=8ad9dbc07b7f99fba455791906c12a17a82497a6
[09:12] <G0TDJ_Steve> I'm going to try and track remotely daveake There's a global receiver in Barcelona
[09:15] <daveake> probably too far
[09:16] <G0TDJ_Steve> Yeah, I have a feeling the Rx doesn't do UHF either
[09:16] <daveake> Anything in Portugal? Or France SW of Toulouse?
[09:16] <G0TDJ_Steve> Looking
[09:16] <daveake> OK not going to work then :0
[09:16] <daveake> Well spam the interwebz for help :)
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[09:16] <G0TDJ_Steve> Rouen? Toulouse?
[09:17] <G0TDJ_Steve> My Geography isn't very good :-)
[09:17] <daveake> nor mine :)
[09:17] <daveake> anyway off to get drinks and hose and stuff
[09:17] <G0TDJ_Steve> Well, when you get the launch up, I'll do a quick tour of the global tuners
[09:17] <G0TDJ_Steve> 4 Payloads on one balloon?
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[09:20] <fsphil> yea 4 on the one flight
[09:21] <G0TDJ_Steve> Cool
[09:25] <LeoBodnar> is wb8elk_ tracking his balloon alone?
[09:27] <G0TDJ_Steve> Must be LeoBodnar
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[09:27] <DL1SGP> moin sven
[09:29] <G0TDJ_Steve> Not sure that's live LeoBodnar
[09:29] <LeoBodnar> wb8elk_: http://ready.arl.noaa.gov/hypubout/13443_trj001.gif
[09:30] <LeoBodnar> It's purely solar powered Steve so expected to wake up later on today
[09:30] <G0TDJ_Steve> Oh cool
[09:30] <LeoBodnar> Looks like South Carolina to me
[09:31] <LeoBodnar> Projected trajectory with solar flux plotted: http://ready.arl.noaa.gov/hypubout/13517_trj001.gif
[09:32] <G0TDJ_Steve> Stuff I still have yet to learn
[09:33] <LeoBodnar> so it gets enough sun somewhere over GA/SC border
[09:33] <G0TDJ_Steve> I see
[09:34] <Babs> Hixwork - I got in touch with a carbon sheet guy and asked him the density of his 2mm sandwich sheet. I got the following email back: "The approximate density of carbon is 1.7 the density of glass is 2.7 and resin is 1.3. A 2mm sheet is 1.5mm thick of carbon and 0.5mm glass, the resin % by weight is 38%.
[09:34] <Babs> which is a masterpiece of misinformation
[09:34] <Babs> do you have any vague guidelines on density per cm3 - ie. 1, 1.5, 2, 2.5 per cm3 etc?
[09:34] <tweetBot> @Matt___Nott: Fingers crossed for #lohanspaceplane #ukhas
[09:34] <G0TDJ_Steve> Dave's car on Tracker
[09:35] <eroomde> i think you need the weight of the sheet per square meter to finish that calc off
[09:37] <Babs> eroomde - i asked for the weight of the thing per m3 originally. that was the answer i got.....
[09:37] <Babs> sorry m2
[09:38] <Babs> i thought it was an easy question with an easy answer. he might as well have told me how many bananas he had in his fruit bowl.
[09:39] <eroomde> 0
[09:41] <Babs> that *woul*d be light
[09:41] <Babs> *would*
[09:42] <tweetBot> @thoughtstore: Getting UK schools into space : http://t.co/LfNNxCHPrk @tioukcom #cubesat #ukhas #education #arduino #ardusat
[09:44] <eroomde> where they won't have to sell of playing fields
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[09:49] <Lunar_LanderU> btw
[09:50] <Lunar_LanderU> why do they fly in spain?
[09:52] <mfa298> I think it's due to spain being one of the places that allowed them to do their mad sciency bits. (launching a rocket from near space)
[09:52] <Lunar_LanderU> cool
[09:52] <Lunar_LanderU> so we got a rockoon
[09:53] <mfa298> or a big fireball
[09:53] <mfa298> I think today is just a test of the systems.
[09:56] <Babs> 10 HAB points to anyone who hacks the mirror controllers of this http://news.bbc.co.uk/1/hi/sci/tech/6616651.stm and takes down Lohan ReaganStarWars stylee
[09:59] <Geoff-G8DHE-M> Given the number of beams missing the tower looks like its been done already!
[10:00] <Babs> arf
[10:01] <Babs> geoff - still need to send you those photos. apologies.
[10:01] <Geoff-G8DHE-M> np
[10:01] <Geoff-G8DHE-M> plenty of little chores waiting for me round the house ;-)
[10:01] <Babs> if you have an address with an FTP upload facility I could always do that - whichever is easier
[10:02] <Babs> just pm me
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[10:03] <Geoff-G8DHE-M> OK I'm downstars on the laptop at the mo, but I'll pm you in a bit with the details
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[10:07] <kokey> fsphil: you around?
[10:11] <fsphil> sorta kokey
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[10:15] <eroomde> and the award to the least easily pronounced blog post author goes to
[10:15] <eroomde> http://scipy-lectures.github.io/advanced/advanced_python/
[10:15] <eroomde> award for the*
[10:16] <mfa298> looks like a good scrabble score though.
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[10:18] <gonzo_> I'm not sure a scrabble set has that many Z's in!
[10:18] <astrodog> 2, I think?
[10:18] <mfa298> I was thinking that might be a problem
[10:18] <astrodog> Anyone know where The Register/LOHAN's feed will be popping up? It'd be nice to be ahead of the game on maps this time around. :P
[10:19] <mfa298> I think the live stream is on batc.tv (although not the ukhas stream)
[10:20] <G0TDJ_Steve> astrodog: Info on Dave's website: http://www.daveakerman.com/?p=1394
[10:20] <astrodog> mfa: Thinking of the location feed. The last time I tracked one of these it ended up crashing into the water before I had decent maps. :P
[10:20] <mfa298> other details on the ukhas group: https://groups.google.com/forum/#!topic/ukhas/u3D2nhRcCFA
[10:21] <kokey> fsphil: it's ok, was going to ask you about linking against libfec, but seems like my friend's just got a general include issue when trying to compile something
[10:21] <mfa298> I think dave posted a prediction earlier. Although as they're in the middle of spain a wet landing could be a challenge
[10:21] <astrodog> mfa: Got a link handy?
[10:21] <mfa298> 10:11 < daveake> Prediction: http://predict.habhub.org/#!/uuid=8ad9dbc07b7f99fba455791906c12a17a82497a6
[10:24] <astrodog> Always fun when you cross lat/long... it's a safe bet they're not predicting north of Madagascar.
[10:28] <astrodog> Any layers of interest?
[10:29] <kokey> so B11/B12 finally ran out of civilisation to track it?
[10:30] <Chetic> anybody know of some pre-written ublox max-6 drivers?
[10:31] <mfa298> for what type of system ?
[10:31] <kokey> drivers, for?
[10:31] <Chetic> raspberry pi, but I'm more thinking of the protocol implementation
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[10:31] <Chetic> putting it in flight mode, essentially
[10:31] <Chetic> since the rest can just be left to gpsd with nmea
[10:31] <kokey> it's just a matter of passing it some strings and reading some strings
[10:31] <mfa298> what language are you using on the pi ?
[10:32] <mfa298> if you're sharing the uart with the gps and ntx2 I think you'll struggle to use gpsd.
[10:32] <Chetic> any of them
[10:32] <Chetic> how so?
[10:32] <Chetic> I'll just be using the rx line
[10:32] <astrodog> I don't suppose anyone here knows where to find error bars for the predictions?
[10:33] <mfa298> gpsd will probably try and keep the port open at 9600bd for the gps. you need to open it at a slower speed for the ntx2
[10:33] <mfa298> setting it to flight mode (and checking your still in flight mode) will also require sending data to the gps.
[10:34] <Chetic> oh right
[10:34] <Chetic> yes but that's just at initialization
[10:34] <mfa298> The standard approach is to open the port in code, set/check flight mode (if needed), read in a gpgga string, close the serial port, then open the port at a slower speed and send the rtty code via the ntx2
[10:35] <mfa298> some people will periodically set flight mode (or check it) in case the gps reset.
[10:35] <G4MYS_Andy> Is this a real flight today or just a test? If so do we have an ISH time please? Andy
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[10:36] <G0TDJ_Steve> G4MYS_Andy: Info on Dave's website: http://www.daveakerman.com/?p=1394
[10:36] <mfa298> G4MYS_Andy: the flights from spain are real flights although probably not receivable from the UK (but globaltuners / websdr's might be available)
[10:36] <G4MYS_Andy> thank ypou Steve
[10:36] <G0TDJ_Steve> There's several Global Tuners I'm going to try mfa298
[10:37] <Chetic> good to know, mfa298
[10:37] <Chetic> I'll have to do some more thinking
[10:38] <mfa298> Chetic: that's why I asked which language you're using.
[10:38] <G4MYS_Andy> ah! I see a start location near Reading? put off the scent many thanks Lads!
[10:38] <G0TDJ_Steve> G4MYS_Andy: They're in Spain...
[10:39] <mfa298> In Python it's fairly easy to open the port and send/recieve data, It's also easy to parse the data from the gpgga strings from the gps.
[10:40] <G4MYS_Andy> well Steve, my familty was chased out of Portugal about 200 years ago at the behest of the Spannish,... and I aint going back!!! hope they have fun!!!
[10:41] <Chetic> mfa298: I don't see why the language matters
[10:42] <astrodog> http://imgur.com/EIlypIy
[10:42] <mfa298> For the general process it doesn't make a difference but for help on how to process the stings from the gps it can make a difference.
[10:43] <G0TDJ_Steve> Looks pretty close to the one Dave posted earlier: http://predict.habhub.org/#!/uuid=8ad9dbc07b7f99fba455791906c12a17a82497a6
[10:43] <mfa298> If I wrote the GPGGA parsing code in perl it would look very different to how I've written it in C++
[10:43] <astrodog> G0T: It's the same prediction, I'm just sticking things together at the moment.
[10:44] <G0TDJ_Steve> OK
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[10:44] <astrodog> Any layers anyone would like to see? We could throw, say, Spanish unemployment data on here... show how LOHAN is helping or hurting their economy.
[10:44] <astrodog> :P
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[10:56] <astrodog> Same map with altitude: http://imgur.com/ug3Q0sx
[10:57] <tweetBot> @daveake: Decided to go north to launch. Should be there 3pm local time for a pm launch #UKHAS #lohanspaceplane
[10:58] <astrodog> New location?
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[10:59] <mfa298> astrodog: seeing your comments on the batc chat about having predictions update during the flight the spacenear.us map should provide that now.
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[11:00] <astrodog> mfa: Cool deal. If I can work out scraping that in the next hour or two, I can integrate 'em into the map.
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[11:00] <G0TDJ_Steve> Hi Andy
[11:00] <nerdsville> Hi Steve, hows things?
[11:00] <mfa298> I think that feature was disabled for one of the earlier lohan flights due to server load (everything was rush moved to something with more power)
[11:01] <G0TDJ_Steve> Cool. We're all looking forward to the LOHAN Test Flight later
[11:01] <astrodog> mfa: Ah. May be worth putting together the web map bits then.
[11:01] <G0TDJ_Steve> nerdsville: I'll PM you
[11:01] <mfa298> astrodog: what is it you're trying to acheive ?
[11:02] <mfa298> spacenear.us should cope now - it's hardware was upgraded shortly after that lohan launch (the one that landed in the water)
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[11:02] <fsphil> it's also recently got a faster connection
[11:02] <astrodog> mfa: Actually... we've used a handful of flights as training things for GIS technicians.
[11:03] <fsphil> I doubt todays traffic will bother it at all
[11:03] <mfa298> and has the live prediction based on incoming data (so anything you do will likely be behind what it's showing)
[11:03] <astrodog> How quickly can maps get put together... responding to feedback, that sort of thing.
[11:04] <astrodog> mfa: Absolutely. It's primarily a... hope to create a useful map exercise.
[11:05] <mfa298> if you're after using raw data you probably want to talk to habitat then rather than trying to scrape from spacenear.us
[11:05] <astrodog> While spacenear.us does very cool things, and has more current data for the flight, we don't have any way to play with which basemaps, layers, etc. it's showing.
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[11:08] <mfa298> well if you want the raw data to use then you probably want to talk to the habitat server (http://habitat.habhub.org/) you can download raw data from there to use.
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[11:13] <G0TDJ_Steve> David Akerman M6RPI @daveake er 4pm launch
[11:13] <Herman-PB0AHX> Ga all
[11:13] <mfa298> so applying lots of +ish to the launch time
[11:13] <fsphil> that's pushing ISH a bit far
[11:14] <mfa298> I suspect sharp/blast still hold that record (by a long way)
[11:14] Action: mfa298 wonders if this should be a new records table
[11:15] <fsphil> my summer launches always seem to be in the winter
[11:15] <Herman-PB0AHX> is there any chance of a flight today?
[11:16] <mfa298> the lohan flights are supposed to happen in spain sometime in the afternoon.
[11:16] <Herman-PB0AHX> in spain mmm nice
[11:18] <astrodog> mfa: Did habitat export DMS instead of decimal degrees, at some point in the past?
[11:19] <mfa298> astrodog: I'm not sure what it exports, it might be dependant on what the flight sends down.
[11:20] <astrodog> I remember for SPEARS we poked at it for a bit, then went back to scraping from spacenear.
[11:21] <astrodog> Anyone have a new launch ETA?
[11:21] <fsphil> 4pm
[11:27] <astrodog> http://imgur.com/KJ4ow3w
[11:28] <mfa298> random factoid: snus now seems to work on the xbox (I think someone had tried a while ago and it didnt work)
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[11:29] <fsphil> neat
[11:29] <astrodog> They keeping the same launch site?
[11:30] <fsphil> moving north from the sonuds of it
[11:30] <mfa298> they're moving to a new launch site (hence the delay)
[11:30] <astrodog> Ah ha.
[11:30] <astrodog> What's the new one?
[11:30] <mfa298> ooh, stream just appeared
[11:30] <mfa298> they're driving on the wrong side of the road
[11:31] <fsphil> that's a lot of brown
[11:31] <astrodog> mfa: My thought, if we end up with a webmap for the big LOHAN flight, would also be to do things like embed the stream video with location.
[11:31] <astrodog> That looks a lot like.... West Texas with some hills.
[11:31] <fsphil> many western films where done in spain
[11:31] <astrodog> fs: I see why.
[11:33] <tweetBot> @daveake: Article on The Register about today's launch http://t.co/fVXYFDRKZu #UKHAS
[11:35] <astrodog> Anyone have the updated launch site?
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[11:35] <G0TDJ_Steve> I'm not sure the launch team know yet!
[11:35] <astrodog> I'm curious... what stops them from just hopping out at the next parking lot?
[11:36] <G0TDJ_Steve> Dunno. Maybe they want a place with not a lot nearby and a clear horizon.
[11:36] <mfa298> from the tweet earlier they're moving north due to the predictions - so presumably they want to go far enough to get a good launch site
[11:36] <astrodog> Ah.
[11:36] <astrodog> Is there a location feed for that car, by chance?
[11:37] <mfa298> it's on the snus map
[11:37] <tweetBot> @daveake: Live stream from chase car #1 on now http://t.co/1ay55gndBb #UKHAS
[11:37] <HixWork> yo Babs. sorry, was afk
[11:38] <astrodog> mfa: Can I get it from hab?
[11:38] <mfa298> it's probably in habitat
[11:39] <mfa298> I've not done much with habitat so I'm not really the person to ask for that - but I think most data is available if you talk to the db on there.
[11:39] <SpeedEvil> http://www.aliexpress.com/item/HK-Ship-Mini-N9-Wireless-Micro-GSM-Quad-Band-Phone-with-Dail-back-function-Without-Box/720527578.html
[11:39] <SpeedEvil> Hmm
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[11:39] <astrodog> I'd love a way to get this as CSV, or some such thing.
[11:39] <SpeedEvil> that's sort of in the range of mass and price that it would make sense to add as a backup tracker in some means
[11:40] <gonzo_> dail, is that a chinese copy of a dial
[11:40] <SpeedEvil> add a beeper to your payload, beep out the lat/lon. As well as 'find my phone' type network apps
[11:40] <SpeedEvil> gonzo_: It drips over the side of the phone
[11:40] <gonzo_> hehe
[11:43] <astrodog> http://imgur.com/OHErOCH
[11:43] <Geoff-G8DHE-M> Dave suggested this site on Saturday [13:57] <daveake> Launch site is 40.42187, -5.30084
[11:44] <astrodog> They're 70km from the predicted one.
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[11:44] <mfa298> they're moving north (1 more hour driving from what dave just said on batc)
[11:45] <HixWork> hurrah - got x forwarding via ssh working. I can now run idle at work, on with the pythong learning :D
[11:45] <astrodog> Geoff: Looks like they're going well north of that.
[11:45] <mfa298> launch site from batc - 16/09 12:44 daveake: Yes somewhere near Alaejos
[11:46] <HixWork> pythong being the pants version of Python of course
[11:46] Action: mfa298 wishes for a batc -> irc converter for the chat
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[11:48] <fsphil> mfa298: you and me both :)
[11:49] <G0TDJ_Steve> That would be cool. They are updating, maybe a new feature?
[11:49] <fsphil> there is work being done on it
[11:49] <astrodog> I think it might be IRC... underneath that web app.
[11:49] <fsphil> it's not astrodog
[11:50] <mfa298> I think there's been some talk of changing to an irc backend for the chat
[11:50] <fsphil> but I believe the plan is to change it to irc
[11:50] <fsphil> craag has a page with the video and #ha in one
[11:52] <mfa298> unfortunately craag's page probably uses the ukhas stream not the reg one
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[11:53] <LeoBodnar_> Sun is up over Georgia
[11:53] <astrodog> I belive that's the name of a country western song.
[11:54] <HixWork> Babs this is a good primer. I'll get you some exact figures for materials I've sued when I get home. Don't have it to hand here.
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[11:55] <DL7AD> good morning!
[11:55] <HixWork> drat - he's not even here is he
[11:55] <fsphil> no sign of it yet LeoBodnar_
[11:55] <fsphil> but that's a huge country and only one 70cm receiver :)
[11:55] <HixWork> http://goo.gl/606LA for the record anyway, hopefully he'll check the logs - Babs
[11:57] <enkidu> morning DL7AD
[11:58] <Upu> where are the B's meant to be atm ?
[11:58] Nick change: SpeedEvil_ -> Speedevil
[11:59] Action: enkidu is calling hysplit archive
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[12:00] <enkidu> http://ready.arl.noaa.gov/hypubout/trajplot_17984.pdf - B11
[12:02] <enkidu> Upu: listen to my stream
[12:02] <Upu> what stream ?
[12:02] <enkidu> http://lantv.ds.pg.gda.pl:8080
[12:02] Nick change: nerdsville -> nerdsville_afk
[12:03] <enkidu> beeps at 2600, waiting for dominoex. it is stream live from israel
[12:04] <enkidu> no, still false sign
[12:04] <Upu> ok
[12:05] <astrodog> Something just occurred to me. How often do payloads get hit by cars?
[12:05] <enkidu> just as often, as radiosondes
[12:05] <DL7AD> enkidu: sounds like radar
[12:05] <fsphil> only once usually
[12:06] <enkidu> possible, but it was not there
[12:06] <DL7AD> enkidu. are you recording?
[12:06] <astrodog> fsphil: People swerve after that?
[12:06] <enkidu> not yet. I can start it now
[12:06] <fsphil> the payload usually doesn't fly again :)
[12:06] <LeoBodnar_> HixWork: Babs I have a piece of carbon fibre plate on my desk, I can measure it for you
[12:08] <HixWork> HI LeoBodnar Babs has disappeared. He was given some spurious specs by his man for carbon glass laminated flatstock
[12:08] <HixWork> any news on B11/12? they showed up anywhere?
[12:08] <enkidu> not yet. LeoBodnar_ could you show prediction for B-12?
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[12:09] <LeoBodnar_> http://ready.arl.noaa.gov/hypubout/126_trj001.gif enkidu
[12:09] <astrodog> There a more exact launch point to run through predictions yet?
[12:10] <daveake> When we find one yeah :-)
[12:10] <enkidu> if it pass over West EU we will hear it
[12:11] <daveake> It's going SE
[12:11] <enkidu> LeoBodnar_: but you have used wrong coords?
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[12:12] <astrodog> dave: Looks like you'll be able to catch the thing out the window on the A-51.
[12:13] <LeoBodnar_> Why wrong coords enkidu ?
[12:13] <LeoBodnar_> http://leobodnar.com/balloons/B-12/NOAA.gif
[12:14] <enkidu> these ones... I see. You could use archive to forecast tho
[12:14] <LeoBodnar_> I have used archive tho get latest point and run forecast from that
[12:15] <enkidu> okay, I see
[12:16] <Speedevil> astrodog: A payload once got hit by a car - I forget the details though - there was no damage to the car
[12:16] <astrodog> Speed: That's good.
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[12:17] <astrodog> <HixWork> http://goo.gl/606LA for the record anyway, hopefully he'll check the logs - Babs
[12:17] <HixWork> Cheers astrodog
[12:17] <Babs__> Hixwork - http://imgur.com/TNL3Du2
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[12:17] <HixWork> scheksy
[12:18] <Babs__> what is that alloy called again? need to find out how much it weighs and dont have my scales with me
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[12:18] <HixWork> i'm guessing it was 6082-T6 [HE-30] hold on - i'll give you a density
[12:19] <astrodog> Find the shadiest person you can nearby. Drug dealers tend to have accurate scales.
[12:19] <HixWork> Babs__ 2.70 g/cm³
[12:19] <HixWork> 2700 Kg/M^3
[12:19] <Babs__> i dont think the scales were ever intended for weighing small components, even if thats what i bought them for :-$
[12:20] <Lunar_LanderU> xD big yellow truck
[12:20] <tweetBot> @daveake: Mobile mission control for #lohanspaceplane http://t.co/1L3SBIRF94 #UKHAS #RaspberryPi
[12:20] <Babs__> thanks hixwork - so that piece is 13.5g
[12:21] <HixWork> future ref, you could probably get something like this http://www.aluminiumwarehouse.co.uk/Aluminium-Angle/c120_124/index.html?page=3 would do the same job
[12:22] <enkidu> LeoBodnar_: http://ready.arl.noaa.gov/hypubout/trajplot_18403.pdf
[12:22] <Babs__> its not as pretty
[12:24] <HixWork> true, but it would be really cheap to get it machined, unless lee used angle stock to start with
[12:24] <DL7AD> enkidu are you recording?
[12:25] <enkidu> DL7AD: now yes
[12:26] <enkidu> along with streaming
[12:26] <DL7AD> is there a way to download?a
[12:26] <enkidu> not now, also it will be too big file (one stream)
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[12:27] <Babs__> i know - the closest to the ones i have are £10 inc. vat, vs. the £20 that it cost me for that one - i could get them drilled for free i guess so definitely an option
[12:27] <Babs__> right, train calls. thanks for your help hixwork
[12:27] <HixWork> nps, gute fahrt
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[12:28] <HixWork> shiny #1 arrived today edmoore
[12:28] <HixWork> http://i.imgur.com/WB0DHcz.jpg
[12:28] <HixWork> Just need the Leica to arrive, to mount to it now :)
[12:30] <DL7AD> enkidu how big are the files?
[12:31] <enkidu> DL7AD: it is continuous stream file, so it will be big after few hours of recording
[12:32] <DL7AD> enkidu ;) no problem. i will download it if there is a possibility
[12:32] <enkidu> I will try running cron job to extract two hours parts (or so)
[12:32] <enkidu> now it has only few minutes
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[12:35] <edmoore> HixWork, nice!
[12:36] <LeoBodnar_> CHeers enkidu
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[12:36] <LeoBodnar_> 9100 was AMSL for the record
[12:37] <HixWork> Thats going to annoy a purist somewhere - Leica Scope on Nikon mount :D
[12:37] <LeoBodnar_> Olympus lovers are sulking
[12:38] <enkidu> LeoBodnar_: okay, but it doesnt really matter - will run for amsl too :)
[12:38] <nats`> HixWork at least it's not a leica zeiss mix
[12:38] <nats`> :D
[12:38] <nats`> or a canon nikon against nature order coit :p
[12:38] <edmoore> this is worth posting periodically for general absorption
[12:38] <edmoore> http://spacecraft.ssl.umd.edu/akins_laws.html
[12:38] <LeoBodnar_> Agree, it does not but if you start a projection of high terrain it might screw up things a bit.
[12:39] <LeoBodnar_> *over
[12:39] <astrodog> http://imgur.com/jO9gFiJ
[12:39] <enkidu> I will check it later :)
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[12:40] <HixWork> WENT A BIT FUBAR FOR FOOBAR
[12:40] <HixWork> Damn, sorry
[12:40] <edmoore> THIS IS A JOKE
[12:41] Action: HixWork goes to check if he is #1 in psig for shouting yet
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[12:41] <HixWork> why can't engineering be in mixed case?
[12:42] <astrodog> Because engineers are sensitive.
[12:42] <fsphil> I'm not sure that's the case
[12:43] <HixWork> nope - I still don't appear in the stats :)
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[12:43] <HixWork> the really annoying thing is i go back to CAD and am still in lower case, so end up retyping
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[12:43] <fsphil> everyone in this office loves caps lock
[12:44] <fsphil> except me
[12:44] <astrodog> Hix: You could hack something together that locks capslock on when you're in that.
[12:44] <astrodog> :P
[12:44] <Jonners> What's the latest on LOHAN? Nothing on the tracker yet.
[12:44] <Speedevil> edmoore: I will disagree with point 28 - on the grounds that tesco once sent me an extra leg of pork.
[12:44] <HixWork> one thing that is good about office is you can case correect text now
[12:44] <edmoore> PSIG is for lusers
[12:45] <edmoore> being on it is a sign that you have too much free time
[12:45] <astrodog> fsphil: I find that people love capital letters, until you make everything case sensitive.
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[12:45] <enkidu> LeoBodnar_: you have runned AGL too :P
[12:46] <gonzo_> it's all down to strength of character
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[12:47] <tweetBot> @G0TDJ: #lohanspaceplane test launch site: Lat: 41°13'34.68"N Lon: 5°18'37.58"W Near Alaejos, Spain. Prep underway for 3:30pm (Local) launch #ukhas
[12:48] <astrodog> Bastards. 3:30.
[12:49] <LeoBodnar_> lol it's over the ocean
[12:49] <LeoBodnar_> Yes, I have re-run it to get proper end position but has not updated the website
[12:49] <gonzo_> I sea
[12:49] <enkidu> LeoBodnar_: I was thinkig about starting position, but it is now over ocean anyways
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[12:55] <HixWork> edmoore You seem to be top of a lot of stats there ;p
[12:56] <edmoore> i think some people just see what they want to see
[12:58] <HixWork> HEH
[12:58] <HixWork> arse
[12:58] <HixWork> caught me there
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[13:02] <G0TDJ_Steve> LeoBodnar_: Do you know the dial freq of WB8ELK?
[13:02] <Laurenceb_> http://answers.yahoo.com/question/index?qid=20090115095952AAWzs5l
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[13:05] <HixWork> Laurenceb_ some good "explination"s there too :D
[13:05] <Speedevil> I especially like 3.2lb = 14kg
[13:05] <HixWork> I'm tempted to go on there and introduce a few more units
[13:06] <astrodog> Any mapping (symbology, basemap, etc.) requests while we wait on the launch?
[13:07] <Speedevil> http://answers.yahoo.com/question/index?qid=20130916060401AAmqGp3 - dignitas.com
[13:10] Action: HixWork can't resist
[13:11] <HixWork> Yahoo account expired.... oh well - I was going to recommend going down the vien as opposed to across it for best results
[13:11] <HixWork> *vein
[13:12] <astrodog> Hix: Waste a liver... use tylenol.
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[13:23] <G0TDJ_Steve> BUZZ on the map
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[13:29] <Laurenceb_> is anyone here familiar with eps file format?
[13:29] <Laurenceb_> im trying to change some line widths
[13:30] <G0TDJ_Steve> You're probably better off using a graphic program Laurenceb_
[13:30] <Laurenceb_> yeah
[13:30] <Laurenceb_> inkscape wont open the file :-/
[13:30] <G0TDJ_Steve> I'll give it a go in Illustrator if you like
[13:30] <Laurenceb_> thanks
[13:30] <Laurenceb_> i just found a commented section
[13:30] <mfa298> fsphil: only taken an 1 1/2 hours but I've managed to get the perl script that follows the batc chat screen.
[13:30] <G0TDJ_Steve> steve@g0tdj.com
[13:30] <Laurenceb_> left by gnuplot
[13:31] <mfa298> just need to clean up some errors
[13:31] <Laurenceb_> so ill try the setting here
[13:31] <Laurenceb_> this looks very smart - gnuplot leaves a config section for easy hand editing
[13:31] <G0TDJ_Steve> Cool. Ping me if you need a hand
[13:34] <Laurenceb_> ok thanks - looks like the config section does everything i need
[13:34] <Laurenceb_> seems gnuplot is designed with nutty text editing in mind
[13:35] <LeoBodnar_> G0TDJ_Steve: 433.885 MHz AM modulated
[13:35] <G0TDJ_Steve> Cheers, I'll have a search on some global tuners when I get a chance LeoBodnar_
[13:36] <Laurenceb_> now i just need an easy way to scroll through a 500 page, 15MB pdf
[13:36] <Laurenceb_> tho its probably swapping so badly as firefox ate my ram... again
[13:36] <Laurenceb_> lol 3.5GB
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[13:37] <G0TDJ_Steve> Crazy...
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[13:37] <Laurenceb_> for some reason firefox needs a ton of ram to decompress jpeg images
[13:37] <Laurenceb_> i tried to open a 4kx7k image and it ate 2GB
[13:38] <Laurenceb_> - just whilst it rendered the image
[13:38] <fsphil> yea opening large images just kills it
[13:39] <edmoore> on the design of an valve interface card: "no, we're keeping the opto isolated IO, they're plugging it into National Instruments stuff and all of that has AIDS"
[13:39] <edmoore> overheard in office
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[13:39] <Laurenceb_> haha national instruments
[13:39] <Laurenceb_> dongs from #stm32 works in your office?
[13:40] <HixWork> NI don't advertise this
[13:49] <Laurenceb_> i never really understood the attraction of NI stuff
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[13:49] <Laurenceb_> i guess when you have things like the Thor labs spectrometers that only interface with NI usb drivers you are stuck
[13:49] <Laurenceb_> but i fail to see how it saves time
[13:49] <Laurenceb_> unless you are a perman00b
[13:50] <HixWork> they appear to be the Microsoft of the testing world - you will use this or else
[13:50] <Laurenceb_> but then you are unlikely to achieve anything anyway...
[13:50] <Laurenceb_> yeah i had issues with a thor labs spectrometer recently
[13:50] <Laurenceb_> ended up having a dedicated windoze pc running NI crap just to talk to it
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[13:51] <Laurenceb_> apparently its possible to hack the usb but i couldnt be bothered
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[13:55] <HixWork> Laurenceb_ what is your opinoin on this bit of kit, for apleb sucah as myself? Seems a little more feature rich than a Salaea https://www.dropbox.com/s/5542suap81m3az9/AnalogDiscovery-DS-2013-1.pdf
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[13:55] <Laurenceb_> tbh i use really pricey stuff at work
[13:55] <Laurenceb_> so ive never used any of this kit
[13:56] <Laurenceb_> white text on white background...
[13:58] <Laurenceb_> http://uk.farnell.com/digilent/discovery-training-pack/design-kit-analog-discovery-india/dp/2281595?CMP=KNC-GUK-FUK-GEN-KWL&gclid=CPXC072J0LkCFSXLtAodpmEACQ
[13:58] <Laurenceb_> not too expensive
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[14:01] <Laurenceb_> is WB8ELK up?
[14:02] <HixWork> seems like its a better intro tool than the saleae
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[14:03] <G0TDJ_Steve> CHAV Images started on: http://ssdv.habhub.org/CHAV
[14:03] <daveake> Wire broke had to solder with a lighter :p
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[14:06] <Laurenceb_> nothing on the map?
[14:07] <MH_> is the live stream of some people with loads of kit on the beach them? :)
[14:08] <astrodog> They keep this up, I'll have to remake that map.
[14:08] <astrodog> :P
[14:09] <PD0HNL> looking to the prep for launch from the LOHAN team
[14:10] <mfa298> astrodog: that's why we use the live predictor on spacenear.us, it keeps it self up to date.
[14:11] <G0TDJ_Steve> ZURG on the map
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[14:14] <fsphil> up to no good no doubt
[14:14] <G0TDJ_Steve> CHAV on the map
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[14:15] <astrodog> mfa: There an easy way to enable that?
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[14:16] <m3eav> Blooming Chavs....
[14:16] <daveake> Chav on the map care of soldering one of the gps writes back on ....
[14:16] <daveake> Wires
[14:17] Nick change: KipK -> KipK_away
[14:17] <daveake> With a lighter and a piece of metal
[14:17] <astrodog> dave: That's no fun. :P
[14:17] <daveake> Nope
[14:17] <astrodog> Well, it's fun in a sense... but more as a spectator.
[14:17] <G0TDJ_Steve> Well done daveake
[14:18] <G0TDJ_Steve> Great hat CHAV Image 3
[14:18] <mfa298> astrodog: the live predictor on spacenear.us is there by default
[14:19] <astrodog> mfa: Strange. It doesn't seem to like Opera. Fine with Chrome, though.
[14:20] <mfa298> load the page, wait a few seconds and the prediction will appear. Once the flight has started it will update based on the ascent rate (and later burst height and descent rate)
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[14:21] <cuddykid> anyone know where the current cheapest place to get lithium AAs from is?
[14:22] <G0TDJ_Steve> eBay?
[14:22] <astrodog> The trunk of someone's car?
[14:23] <daveake> Robert dyas
[14:24] <daveake> Apparently
[14:24] <G0TDJ_Steve> SPEARS on the map
[14:24] <G0TDJ_Steve> I'll have to try Robert Dyas, I have one locally
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[14:25] <HixWork> not Waitrose in Newbury anymore ;p
[14:25] <G0TDJ_Steve> daveake: Has anyone got an iPhone there. If so, I'd love to see a panoramic image of the launch site.
[14:25] <daveake> Sold out :p
[14:26] <astrodog> Huh. 3 shooters in Washington DC.
[14:28] <enkidu> fake receiver on equator
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[14:40] <G0TDJ_Steve> @regspb Getting ready for balloon inflation .. #loganspaceplane
[14:43] <edmoore> lohan*
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[14:43] <Upu> notspace*
[14:44] <edmoore> ballisticobject*
[14:44] Nick change: KipK_away -> KipK
[14:45] <HixWork> they'll probably end up on A register
[14:45] <HixWork> x forwarding is better than a very good thing :D
[14:46] <HixWork> now I really need fibre to the cabinet
[14:50] <mfa298> it's surprisingly quiet in here for a reg flight - seems like they've all found the batc chat instead
[14:50] <F1VJQ> Hope I can receive when it goes up... not many trackers nearby!
[14:51] <NickSF> have they got an estimated launch time yet?
[14:51] <Upu> when you see the balloon inflated
[14:51] <Upu> <30 min
[14:52] <NickSF> Oh, never mind. I see they're filling the balloon now so cant be that long
[14:52] <edmoore> managed to use every single IO pin on the stm32f103 without trying to do so. Just precisely fitted the spec down to the last pin
[14:52] <Upu> they won't want to hang about with an inflated balloon
[14:54] <Upu> ping craag
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[14:55] Nick change: Speedevil -> SpEeDeVIl
[14:56] <Laurenceb_> heh edmoore
[14:56] Nick change: SpEeDeVIl -> SpeedEvil
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[14:58] Nick change: HixWork -> Hix
[14:59] <Laurenceb_> this is the register guys?
[15:00] <Laurenceb_> launching
[15:00] <Hix> test launch Dave said
[15:00] <mfa298> test launch for lohan in spain. I think the real launch is then in a few days
[15:00] <G0TDJ_Steve> Thursday I believe
[15:01] <Upu> its a repeat of the launch we did the UK
[15:01] <Upu> to prove the ignitor works
[15:01] <edmoore> no whooshy bang bang?
[15:01] <Upu> well hopefully the ignitor will cut the cord this time
[15:02] <edmoore> 'prove' it works :)
[15:02] <Upu> it ignited just fizzled out before it could sever the cord
[15:02] <Lunar_LanderU> yea :(
[15:02] <Upu> well
[15:02] <Upu> its got to ignite a rocket motor
[15:02] <Upu> and didn't managed to melt 1mm of nylon last time
[15:02] <Lunar_LanderU> btw I think I found the best way for a low voltage cutdown :)
[15:02] <Lunar_LanderU> 1 ohm resistor xD
[15:02] <edmoore> i think a 1 out of 2 success rate is probably stretching the definition of proof but it's journalism right
[15:03] <Upu> don't let truth get in the way of a good story edmoore
[15:03] <mfa298> looks like it's about to be launched
[15:03] <edmoore> my failing
[15:03] <Lunar_LanderU> ready to launch!
[15:03] <G0TDJ_Steve> I hope the SSDV is switched on
[15:04] <Lunar_LanderU> liftoff
[15:04] <G0TDJ_Steve> IT's up!
[15:05] <enkidu> Lunar_LanderU: launch area?
[15:05] <Lunar_LanderU> spain
[15:05] <G0TDJ_Steve> Nice clean launch daveake - Well done
[15:05] <enkidu> predicted flight time?
[15:06] <Lunar_LanderU> hmm
[15:06] <Lunar_LanderU> probably round 100 minutes
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[15:07] <Lunar_LanderU> by 30000 m/ 5 m/s
[15:08] <iz2kzv> is batc streaming active?
[15:09] <Geoff-G8DHE> yes
[15:09] <G0TDJ_Steve> Yes, they aren't moving though
[15:09] <iz2kzv> can you give me the url?
[15:09] <G0TDJ_Steve> http://www.batc.tv/ch_live.php?ch=5&id=1153
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[15:10] <iz2kzv> thank you
[15:10] <Upu> think its off atm
[15:11] <iz2kzv> yes... no stream available
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[15:13] <Koolibah> how do I track the flight?
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[15:13] <meltie> Koolibah: http://spacenear.us/tracker/
[15:14] <meltie> click "Follow" on "Zurg" on the right
[15:14] <iain_G4SGX> they're moving on that stream url, try again.. http://www.batc.tv/ch_live.php?ch=5&id=1153
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[15:15] <iz2kzv> ok... now i see the streaming. thanks
[15:15] Nick change: Upu- -> Upu
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[15:15] <Koolibah> ZURG is greyd out for me
[15:16] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights/LOHAN_TEST_20130916/
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[15:17] <Koolibah> Thanks Geoff G8DHE-M from G0MOB
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[15:21] <Koolibah> I must have wrong URL still no tracking info Spacenear.us
[15:22] <Upu> are you in IE ?
[15:22] <Upu> if so hit the compatibility mode and reload
[15:25] <Koolibah> No am using Chrome
[15:25] <enkidu> that is strange, I am using it too
[15:25] <mfa298> I think IE9 and IE10 should work without needing to change anything now.
[15:25] <Hix> IE the tool for downloading a browser with
[15:25] <Koolibah> What is the url
[15:26] <Hix> http://spacenear.us/tracker/
[15:26] <Upu> Also http://ssdv.habhub.org/
[15:26] <Koolibah> mmmmmm that's what I am logged onto
[15:27] <astrodog> Something going on with BUZZ?
[15:27] <Hix> try http://habitat.habhub.org/mobile-tracker/
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[15:27] <Koolibah> upu I am getting the images but not the track on Google earth
[15:27] <Upu> unless you click the KML thingly on spacenear.us you won't
[15:28] <Upu> however you should be able to see the payloads on spacenear
[15:28] <Koolibah> Hix fantastic thank you
[15:28] <Hix> nps
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[15:28] <mfa298> Koolibah: which browser and version are you using ?
[15:28] <mfa298> ah sorry, just saw chrome
[15:28] <Hix> sometimes in Chrome on WIn the tracks take quite a while to appear
[15:29] <Upu> yeah mobile tracker works
[15:29] <Koolibah> I am using Chromium running on Ubuntu 13.04
[15:29] <astrodog> Anyone know where there's a CSV for the track?
[15:29] <tweetBot> @daveake: LOHAN test flight launched, delayed due to broken wire soldered with a lighter and piece of metal! #UKHAS
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[15:30] <Upu> http://spacenear.us/tracker/track.kml
[15:30] <Upu> but I would stick to the web version
[15:31] <Geoff-G8DHE> CSV, JSON,KML at http://habitat.habhub.org/ept/
[15:32] <Geoff-G8DHE> Maybe not yet not appearing on the list it seems ?
[15:32] <edmoore> slight similarity between lohan
[15:32] <edmoore> http://regmedia.co.uk/2013/09/14/lohan_team.jpg
[15:32] <edmoore> and klingon bird of prey
[15:32] <edmoore> http://images2.fanpop.com/images/photos/6200000/Klingon-Bird-of-Prey-star-trek-ships-6248522-1280-960.jpg
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[15:35] <G0TDJ_Steve> Shame CHAV Image 1 isn't complete - That would have been a nice one
[15:35] <G0TDJ_Steve> Image 13 even
[15:35] <fsphil> no new data in a while
[15:36] <mfa298> and suddenly it completes
[15:36] <G0TDJ_Steve> I' hoping EA1EXV is going to be decoding
[15:36] <evilerik> Yeah, 13 is the best one so far.
[15:36] <mfa298> they should have flown more trackers out there to help recieve the data
[15:36] <iain_G4SGX> Should be some great pics, no clouds
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[15:37] <G0TDJ_Steve> I hope they're all being recordrd on board
[15:37] <daveake> Yes
[15:37] <G0TDJ_Steve> Great :D
[15:38] <fsphil> ah weird, the packets must be being uploaded in bunches
[15:38] <fsphil> I need a smarter way of filling in the gaps
[15:38] <daveake> Yeah do seen to be delayed
[15:38] <Willdude123> Bonjour
[15:38] <mfa298> laggy 3g connection perhaps ?
[15:39] <DL1SGP> Salut Willdude123
[15:39] <fsphil> likely
[15:39] <DL1SGP> yeah, but pretty pictures, I envy them for the good weather
[15:39] <daveake> Well it has batc going too
[15:39] <wb8elk_> my flight has gone away on Spacenear....it was supposed to be active for 6 days?? Someone is hearing it today but no copy as yet.
[15:39] <Willdude123> Je suis heureux parce que j'ai une fente sur la Bourse française
[15:40] <Willdude123> Lol.
[15:40] <Willdude123> That translates back as the french stock exchange
[15:40] <DL1SGP> :D
[15:41] <fsphil> wb8elk_: I cleared it for the lohan launch, I didn't expect it to come back sorry. new data will be plotted, and I'll re-import the old data later
[15:41] <Koolibah> Do you think they will drive down to Avila and wait
[15:41] <enkidu> wb8elk_: if someone heard it then he may use archive data on dl-fldigi
[15:42] <daveake> Yes Avila
[15:42] <Upu> wb8elk_ sorry due to the launches we cleared it earlier
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[15:42] <Upu> as soon as you get a copy it will reappear and we can recreate the track from the EPT
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[15:43] <Upu> we guessed that surise and come and gone it had gone awol, great to hear its still up
[15:43] <iain_G4SGX> WB8ELK: has you balloon got APRS?
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[15:47] <Lunar_LanderU> wondering why two of the payloads still cannot be received
[15:47] <Geoff-G8DHE> daveake, money in the SIM time again!
[15:47] <G0TDJ_Steve> Lunar_LanderU: There's not enough receivers to go round.
[15:47] <Lunar_LanderU> ah
[15:47] <G0TDJ_Steve> They need local trackers
[15:47] <Lunar_LanderU> so you think if they'd tune in to the two others, they'd get the signal?
[15:47] <Lunar_LanderU> yea
[15:48] <G0TDJ_Steve> Yeah, no worries. They were all active one by one before launch
[15:48] <Willdude123> Ooh I forgot it's the LOHAN launch today
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[15:48] <Willdude123> Is it the for realz one?
[15:48] <G0TDJ_Steve> Test flight Will
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[15:49] <G0TDJ_Steve> Actual flight Thursday I believe
[15:49] <iain_G4SGX> he he, just imagining Dave multi receiving on different instances. Not easy especially if drifting any.
[15:49] <mfa298> This is the test to see how well it goes bang before laumching the real one
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[15:50] <iain_G4SGX> Wonder if EA1EXV is online?
[15:50] <G0TDJ_Steve> We can hope iain_G4SGX
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[15:51] <wb8elk_> no...just RTTY
[15:52] <LeoBodnar_> Lohan stuff is boring, I want to see wb8elk_ lol
[15:52] <mfa298> unusual seeing so few trackers on a flight.
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[15:53] <NickSF> Will Spears/Buzz start transmitting when detached?
[15:53] <fsphil> they should already be
[15:53] <LeoBodnar_> Oh, where is wb8elk balloon it was there this morning
[15:53] majorTom (5c1da3d4@gateway/web/freenode/ip.92.29.163.212) joined #highaltitude.
[15:53] <iain_G4SGX> SOMEONE deleted it.. tut tut..! lol
[15:53] <mfa298> NickSF: I think it's more a lack of receivers than lack of them sending data
[15:53] <Upu> we thought it was MIA
[15:53] <fsphil> LeoBodnar_: we cleared it for the lohan launch .. it'll be back shortly :)
[15:54] Nick change: majorTom -> Guest64245
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[15:54] <NickSF> ah thanks mfa298
[15:54] <edmoore> when the capacitor blows up in your SEPIC dc-dc converter, is it commiting SEPICU?
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[15:55] <pulpquango> ooooh the pun is strong with this one
[15:55] <LeoBodnar_> wb8elk_: I have run this in the earlier today http://ready.arl.noaa.gov/hypubout/13443_trj001.gif
[15:55] <Koolibah> Just watching the chase and thought these guys could do with microlight
[15:56] <LeoBodnar_> Yukio Mishima caps
[15:57] <pulpquango> 41 210 feet and climbing
[15:57] <fsphil> feet?
[15:58] <martinus> What are these feet you speak of? You measure distance in ambulatory body segments?
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[16:00] <edmoore> welcome reggies
[16:00] <pulpquango> aye.... real units. Not sure what the Reg arbitrary unit of altitude is...... certainly not anything Bulgarian Fun Bag related though....
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[16:01] <edmoore> yes i dread to think what reg units might be
[16:01] <martinus> Thanks edmoore. :)
[16:02] <edmoore> mass: Newells
[16:02] <edmoore> volume: funbags
[16:03] <martinus> Farset Labs in Belfast is working on a SpacePi program so many of us have been following along with El Reg's space program with great interest.
[16:03] <edmoore> is your pi going into space?
[16:03] <martinus> Well, it's going as high as a weatherballoon will lift it.
[16:03] <edmoore> not space
[16:03] <edmoore> pet peeve around these parts
[16:04] <edmoore> a journalistic license too far
[16:04] <martinus> I know but it's hard to sell the idea to the public by describing it as 'really high'.
[16:04] <edmoore> we tend to use the term near-space
[16:04] <martinus> It's a one-word marketing campaign. ;)
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[16:05] <edmoore> TI's webwench is pretty helpful
[16:05] <edmoore> once i got over my initial disgust at having to create an account to see the schematics
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[16:06] <edmoore> it will design SMPS for you to your spec
[16:06] <edmoore> and let you download the schematics, with part numbers and performance graphs and all
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[16:08] <DL7AD> good evening
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[16:10] <pulpquango> chase car heading to Avila for maximum options on separation ?
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[16:11] <daveake> Yes
[16:11] <daveake> Ascent rate a tad low
[16:12] <daveake> I wish spacenear would calc that properly
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[16:15] <fsphil> I wish it was doing predictions properly
[16:17] <F1VJQ> I am still waiting for LoS ... hoping to hear it soon!
[16:18] <F1VJQ> It's being received on Algarve but tracker has no PC connecton. He's recording it though
[16:18] <G0TDJ_Steve> You mean AoS?
[16:19] <F1VJQ> yes..typo!!
[16:19] <F1VJQ> AoS
[16:19] <G0TDJ_Steve> :-)
[16:19] <F1VJQ> or LoS Line of sight!
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[16:20] <F1VJQ> CS7/PD0HNL Fred is making video and sound recording
[16:21] <G0TDJ_Steve> The images are very stable, nice and straight
[16:21] <pulpquango> quick google indicates that the linguini is the appropriate unit for this application........ around 126464 of them
[16:25] <G0TDJ_Steve> Wow, look at the consistency in the images. Excellent stability. How have they managed that?
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[16:26] <martinus> My limited understanding of this is that the balloons are designed to fail at ~30,000m, I'm wondering how much this is affected by airtemp?
[16:26] <JSG> The camera is like a plumb bob. If it's not straight, either the balloon broke or something is wrong with gravity
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[16:26] <G0TDJ_Steve> JSG I meant in the fact that it wasn't spinning
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[16:28] <JSG> Steve - nothing to make it spin really. Things moving with the wind don't spin much, like kites.
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[16:29] <JSG> 30000m sounds about right from the previous flights
[16:29] <pulpquango> at the risk of double entendre..... the glider payload would act like a weather-cock and end up naturally turned into the wind
[16:30] <JSG> I don't think the glider is onboard for this flight, is it? I think this is just a systems and igniter test
[16:30] <G0TDJ_Steve> Fair enough. Next image is tilted :-)
[16:30] <Koolibah> Do you think they will drive down to Avila and wait
[16:30] <martinus> JSG: Yes, that's what I understand.
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[16:31] <martinus> THe last igniter test partially failed so this one is testing a new mechanism.
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[16:32] <JSG> still ascending crazy fast. I didn't get to watch this live last time
[16:33] <JSG> hm, spacenear has a burst point calculated now. Their course plot has been really accurate so far.
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[16:34] <Koolibah> JSG what is the predicted landing spot
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[16:35] <JSG> about 6 miles directly south of Avila looks like
[16:36] <Koolibah> JSG Thank you
[16:37] <Koolibah> Interesting getting warmer at altitude is this an inversion layer they are entering
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[16:37] <JSG> there's actually 3 different landing points, each tracker has its own, and they all differ. Chav's is listed at 40.5981, -4.75537
[16:38] <JSG> yeah, you reach a point in altitude where it stops getting colder for a while
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[16:38] <JSG> and then it gets REALLY cold, :)
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[16:39] <JSG> Chav is measuring .04atm pressure outside. Wow.
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[16:41] <enkidu> 1Pa is waiting
[16:42] <JSG> ha, chase vehicles are moving again, health break over?
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[16:43] <bertrik> Koolibah: have a look at http://en.wikipedia.org/wiki/U.S._Standard_Atmosphere it shows the standard pressures, temperatures and temperature lapse rate
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[16:43] <JSG> ZURG seems to have stopped reporting position
[16:43] <daveake> Yup :-)
[16:44] <G0TDJ_Steve> daveake: What is CHAVs dial freq please?
[16:44] <DL7AD> daveake: today is this just a test flight. so the real flight takes part tomorrow?
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[16:44] <JSG> CHAV 434.075MHz / BUZZ 434.200MHz ZURG 434.250MHz / SPEARS 434.650MHz
[16:45] <JSG> as reported on spacenear
[16:45] <G0TDJ_Steve> Thanks JSG but I was hoping for the actual freqs :-)
[16:45] <craag> Upu: pong
[16:46] <JSG> starting to see some curve in the photos, neat
[16:48] <Geoff-G8DHE> Burst
[16:48] <G0TDJ_Steve> At 23k?
[16:49] <JSG> looks like it
[16:49] <Geoff-G8DHE> Its coming down!
[16:49] <JSG> Max. Altitude: 23066 m
[16:50] <JSG> 75k feet, not too shabby
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[16:50] <Koolibah> Perhaps they were testing the abort feature
[16:50] <G0TDJ_Steve> Yes, but not as high as they wanted
[16:50] <martinus> Typical chav, goes down quicker than expected.
[16:50] <JSG> the landing point just changed by a TON
[16:50] <JSG> HA HA
[16:51] <JSG> Predicted Landing 40.1866, -4.84814 at 18:26 UTC
[16:52] <JSG> falling like a stone
[16:53] <enkidu> ive seen that kind of landing before
[16:54] <martinus> Chav mission summary: rubber failed leading to an early departure.
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[16:58] <JSG> dang it, google has crappy sat photo coverage over this spot
[16:58] <martinus> I keep having to remind myself how thick the atmosphere is. The sodium layer is over 80km.
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[16:59] <JSG> I wonder what those weird lines are in the photo. Stitching error or odd shadow
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[16:59] <SpeedEvil> Well - yes - but it's not really what you might call 'thiclk' there
[17:00] <Geoff-G8DHE> Missing packets ?
[17:00] <pulpquango> "Stitching error or odd shadow ?" Missing packets I think
[17:00] Nick change: MichaelC|Away -> MichaelC
[17:01] <JSG> no, I mean on the google map
[17:01] <JSG> chav is over something with a wierd shadow on the map
[17:01] <martinus> True, thick is a poor descriptor. It's cool to think that the ISS is somewhere over 330km up. :)
[17:01] <Geoff-G8DHE> There only visible on one set of tiles sizes, zoom in and they go ~
[17:01] <JSG> ah
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[17:03] <JSG> whew, chav reported in again finally. Slowing down quite a bit
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[17:04] <daveake> Yeah I've been checking the other trackers
[17:04] <daveake> To see if it separated out burst
[17:04] <JSG> thtey are totally going to be pulling this thing out of the trees again
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[17:05] <bertrik> SPEARS is going down nice and gentle, only -2m/s at 10km ?
[17:07] <JSG> the SPEARS telemetry has been pretty wonky
[17:07] <daveake> Nah that's two widely spread data points
[17:08] <JSG> hm, maybe it will miss the woods
[17:09] <martinus> JSG | > the SPEARS telemetry has been pretty wonky >> Probably navagating with a baby on the lap.
[17:10] <JSG> it would really suck if it landed in the road
[17:11] <JSG> the packet radio seems to be totally a bust now. I assume those images are on the sd card so we'll see them later
[17:11] <craag> Yep, those images, and in higher resolution as well.
[17:11] <daveake> OK watch buzz not
[17:11] <daveake> W
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[17:13] <daveake> Of chav ... Better signal
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[17:14] <JSG> hm? Spacenow shows BUZZ still at the launch point.
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[17:14] <JSG> *spacenear
[17:15] <JSG> almost down
[17:15] <daveake> Live stream on note
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[17:16] <JSG> looks like a long walk to recover
[17:16] <G0TDJ_Steve> daveake: It's focussed on the window
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[17:17] <enkidu> I have continuity problems with israeli receiver
[17:18] <craag> http://insecure.thecraag.com/regTv.html
[17:18] <daveake> Ok lost signal as it dropped the other side of the mountain
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[17:18] <JSG> that's really nice Craag
[17:19] <craag> np :)
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[17:20] <ibanezmatt13> good evening
[17:20] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights/LOHAN_TEST_20130916/2013091820.jpg hilly
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[17:21] Nick change: melt -> meltie
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[17:22] <G0TDJ_Steve> That's going to be an interesting recovery
[17:22] <Tom5342> agreed
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[17:22] <JSG> do they have any kind of DF with them?
[17:22] Nick change: jxt -> Guest95339
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[17:24] <G0TDJ_Steve> JSG Dave has his '817 with him I believe
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[17:24] <g4sgx2> nice one craag. perfect.
[17:27] <Mondoman> Will they head for N502?
[17:27] <JSG> There are some photos on google earth not far from the last position. Beautiful country, but not going to be easy to get to
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[17:28] <Tom5342> Nope, not gunna be a easy recovery
[17:28] <G0TDJ_Steve> Hope they have their hiking boots
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[17:28] <Tom5342> and possibly a 4x4
[17:28] <Mondoman> One they go around the hills to the right, they might
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[17:28] <Mondoman> be able to get GPS signal again
[17:29] <JSG> assuming it didn't land between two of those hills.
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[17:31] <JSG> or is that farmland? Can't really tell from the map
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[17:31] <iain_G4SGX> Been away, did the glider release? There is a glider yes?
[17:32] <JSG> oh, ha, use terrain map. Yep, went down on a hilltop looks like
[17:32] <Mondoman> Just hope they've got sunlight when they make it around the hills
[17:32] <JSG> no glider today Iain
[17:32] <LeoBodnar> Did Lohan launch the rocket ?!
[17:32] <Mondoman> That GPS might just be the last reported position, as it's 1000m up.
[17:32] <JSG> that's not today
[17:33] <daveake> No release of the glider balloon burst too early
[17:33] <JSG> the glider wasn't on board
[17:33] <LeoBodnar> Oh
[17:33] <martinus> Only the ignition tester.
[17:33] <JSG> *ballocket
[17:33] <daveake> Today is the paper glider
[17:33] <JSG> whatever you call it
[17:33] <Mondoman> I bet the landing point is south past the mountain in the relatively open area
[17:34] <JSG> from the last reported altitude and the terrain map, looks like they landed on a hilltop
[17:34] <LeoBodnar> has wb8elk_ been received today?
[17:34] <Laurenceb_> i finally thought of a good use for ground launched rockets
[17:34] <Laurenceb_> picoballoon deployment above the clouds
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[17:35] <adamgreig> lol oh thank goodness you did Laurenceb_, better phone nasa and let them know
[17:35] <daveake> The 3d printed one is Friday
[17:35] <daveake> Should get radio back once the other side
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[17:35] <keydash> hello
[17:35] <LeoBodnar> Satellite can drop superinflated picos too
[17:35] <keydash> i've just received the dongle rtl :D
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[17:36] <keydash> but i think im doing something worng
[17:36] <keydash> i don't even hear radio stations
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[17:37] <G0TDJ_Steve> keydash: You need to setup your PC to do it.
[17:37] <martinus> daveake | > Today is the paper glider >> I'm probably being thick but I can't see any reference to today's payload other than what's posted here: http://www.theregister.co.uk/2013/09/16/lohan_test_flight/
[17:37] Peevester (63913930@gateway/web/freenode/ip.99.145.57.48) joined #highaltitude.
[17:37] <iain_G4SGX> Damned river in the recovery path could cause problems, depends how big it is
[17:38] <martinus> Are details being kept hush-hust to confound GCHQ?
[17:38] <keydash> i just heard noise
[17:38] <martinus> *hush-hush
[17:38] <LeoBodnar> hob-nob
[17:38] <JSG> I think we figured out that the spaceplane is BUZZ
[17:39] <martinus> nom-nom
[17:39] <wb8elk_> Someone in Atlanta Georgia heard my balloon this morning just after sunrise. But he couldn't configure FLdigi to Custom RTTY mode since it kept crashing FLdigi....so yes, it has been heard but no idea on exactly where it is and its float altitude
[17:40] <bertrik> oh, that's a pity
[17:40] <wb8elk_> Laurence....the Super Loki did just that....it inflated a ballute with helium at about 140,000 feet or so when the rocket was at apogee.
[17:40] <nats`> Yay \o/ I got my Yaesu 857, I need to repair the tx path ;)
[17:41] <nats`> I can't wait to have my ham license
[17:41] <Geoff-G8DHE-M> http://360.g8dhe.net/hab_flights/LOHAN_TEST_20130916/Landing%20area.jpg
[17:42] <LeoBodnar> Terrain looks like it need a good scrub with some bleach
[17:43] <LeoBodnar> *s
[17:43] <G0TDJ_Steve> nats`: Lovely radio. Ha done for a year
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[17:43] <G0TDJ_Steve> had
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[17:47] <iain_G4SGX> Still can't believe their 3G connection in middle of nowhere. Their coverage puts ours in UK to shame.
[17:47] <Geoff-G8DHE-M> This a picture of the area not far from landing zone http://www.panoramio.com/photo_explorer#view=photo&position=1&with_photo_id=9479366&order=date_desc&user=1629348
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[17:51] <bertrik> where are they going now?
[17:51] <Koolibah> Can they read this feed in the car
[17:52] <Koolibah> If they can back to the S bend in the road just before Mengamenoz take the firetrail on the right
[17:52] <Geoff-G8DHE_> Daveake was on line till about 20 minutes ago
[17:53] <iain_G4SGX> Got an hour til dusk
[17:53] <bertrik> "that's no moon!" ?
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[17:53] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE-M
[17:54] <Koolibah> Thay are only about 3 km line of sight away from the package
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[17:55] <keydash> can somebody help me using sdrsharp?
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[17:55] <JSG> there's a 200 meter hill in their way though
[17:55] <JSG> assuming the last reading was accurate
[17:56] <JSG> off road time!
[17:56] <JSG> thinking about it ...
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[17:57] <JSG> where did the live camera feed on craag's page come from?
[17:57] <JSG> this I mean http://insecure.thecraag.com/regTv.html
[17:57] <craag> JSG: batc.tv
[17:58] <JSG> ah, thanks
[17:58] <craag> http://batc.tv/ch_live.php?z=1&id=1153&ch=5
[17:59] <JSG> I was just going to ask for that. For some reason the link to batc.tv takes me to their homepage
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[18:00] <iain_G4SGX> Will the batteries last til the morning if they have to abort the recovery I wonder.
[18:00] <craag> not on the pis
[18:00] <craag> buzz should though
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[18:04] <craag> JSG: Yeah the batc urls can be weird, we're working on it :)
[18:05] <JSG> the last one you gave worked fine, thank you
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[18:07] <JSG> they do not want to be on this road once it gets dark
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[18:09] <Lunar_Lander> hello
[18:09] <DL1SGP> Good Evening Lunar_Lander
[18:10] <keydash> oh
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[18:10] <keydash> there's ballons on spain
[18:10] <keydash> who's the owner?
[18:11] <Geoff-G8DHE-M> Yes they have been flying all afternoon, its the El Reg. SPB Lohan
[18:12] <keydash> i'm far away
[18:12] <keydash> if not i'll try to track them even with the dongle alone
[18:12] <keydash> :D
[18:13] <Geoff-G8DHE-M> There down now, it was a test flight, they are driving across scrubland to try to collect it.
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[18:14] <Geoff-G8DHE-M> Ah Daveake just left or was disconnected is doing the chase!
[18:14] <Reactive> hi guys, anyone here a HAM that can help me with an exam question about resonances?
[18:14] <keydash> can i know the path the balloon '
[18:14] <keydash> ?
[18:14] <keydash> the path the balloon did
[18:14] Nick change: KipK -> KipK_away
[18:14] <Geoff-G8DHE-M> Look on the tracker http://spacenear.us/tracker
[18:15] <mfa298> keydash: the path they followed is shown on spacenear.us
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[18:15] <iain_G4SGX> Looks like nice country, anyone know if Spain allows tall masts and antennas on private land?
[18:16] <fsphil> lots of empty land too
[18:16] <keydash> i was zoomed out sorry
[18:16] Nick change: G0TDJ_Steve -> G0TDDJ_AFK
[18:17] <keydash> iain_G4SGX: allows
[18:17] Nick change: G0TDDJ_AFK -> G0TDJ_AFK
[18:17] <adamgreig> Reactive: maybe. shoot.
[18:17] <iain_G4SGX> keydash: Thanks
[18:17] <keydash> Spain is a nice country
[18:17] <Koolibah> Yes they are call wind turbines
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[18:18] <iain_G4SGX> A few friends have bought land there, I need somewhere for big antennas! :)
[18:19] <keydash> well now here the situation is not very well
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[18:19] <fsphil> I'd love to do that
[18:19] <fsphil> small solar array to provide power
[18:19] <fsphil> though internet would be crap
[18:19] <iain_G4SGX> Water is their main problem, but a bore hole is possible
[18:19] <fsphil> and water
[18:20] <fsphil> yea hadn't thought of that
[18:20] <fsphil> it doesn't rain as much there
[18:20] <fsphil> I'm so used to it being wet all the time :)
[18:20] <fsphil> bad that the top two things on my list of priorities is power and internet
[18:20] <keydash> your weather it's all the year rainning
[18:20] <keydash> wind
[18:20] <keydash> here you can recover the balloon easily :D
[18:21] <fsphil> not that easily it seems
[18:21] <iain_G4SGX> Yes I agree, I really want a cave up a mountain with 3G and power! lol
[18:21] <fsphil> the guys seem to have lost this one
[18:21] <fsphil> oooh 3G yes
[18:21] <keydash> well, you can lose them also
[18:21] <keydash> xD
[18:21] <keydash> our 3g is good also
[18:21] <fsphil> it's very good
[18:21] <keydash> maybe slow in some countries
[18:21] <fsphil> I was watching them driving through a fair bit of what looked like empty land
[18:21] <fsphil> and the 3g worked most of the time
[18:22] <keydash> cause where they are
[18:22] <keydash> there's no mountains
[18:22] <SpeedEvil> iain_G4SGX: and tesco delivery
[18:22] <iain_G4SGX> I'd suggest leaving a team to camp, up early..
[18:22] <iain_G4SGX> yagis at the ready.. lol
[18:23] <iain_G4SGX> yagis at dawn even. :)
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[18:24] <keydash> got one plane on RTL
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[18:24] <plasticuser> ello!
[18:24] <keydash> hi
[18:24] <plasticuser> Why are they driving the wrong way (and related WHARRRRRGARRRBL!) ;)
[18:25] Action: plasticuser froths at mouth while hitting reload unnecessarily ;)
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[18:28] <enkidu> DL1SGP: stream I am receiving is from RTLSDR dongle, is it?
[18:28] <DL1SGP> if you refer to israel, yes, that is what I heard
[18:30] <iain_G4SGX> Yep, I know its probably an annoying suggestion at this point but according to google the track network north of them look easier to navigate and goes closer, if you look at the satellite view anyway.
[18:30] <chris_4x1rf> yes, the receiver I'm using is a RTL2832U dongle with R820T tuner chip
[18:30] <DL1SGP> shalom chris! nice to read you
[18:31] <keydash> chris_4x1rf:
[18:31] <keydash> i've received one today
[18:31] <keydash> hope you can give me some tips of sdr sharp
[18:31] <enkidu> chris_4x1rf: have you aligned frequency properly? (ppm correction)
[18:31] <keydash> i'm not able even to hear fm stations
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[18:32] <chris_4x1rf> as a matter of fact I have replaced the on board 28.8MHz xtal with a signal from a GPSDO RF generator so I'm pretty sure I'm spot on :-)
[18:32] <enkidu> nice :)
[18:34] <chris_4x1rf> no sign of B11 heared so far, wondering how many monitors are there...
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[18:35] <iain_G4SGX> What we REALLY need in an online SDR receiver on the ISS.
[18:36] <iain_G4SGX> would be fun
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[18:36] <chris_4x1rf> antenna beaming to 190deg now
[18:38] <chris_4x1rf> any suggestions for the best heading for the night, let me know...
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[18:38] <enkidu> chris_4x1rf: I have sin MFSK signal on waterfall
[18:38] <enkidu> seen*
[18:38] <chris_4x1rf> it's a 4ele so pretty broad diagram
[18:39] <martinus> I've seen how difficult it is to visually track the ISS (astrophotography), is it less difficult to track its broadcasts?
[18:39] <chris_4x1rf> when was that enkidu?
[18:39] <enkidu> just few second ago
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[18:40] <enkidu> but ic may be anything, to broad for domex16
[18:40] <Lunar_Lander> oh danger
[18:40] <Lunar_Lander> recovery failure possible
[18:40] <DL1SGP> nods
[18:41] <chris_4x1rf> I'm listening to the stream while doing other things, hoping to hear the beeps
[18:41] <enkidu> not only you it seems
[18:42] <DL1SGP> :D
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[18:50] <Obscene_CNN> has anyone done a project that just drops something from way up high to see how fast it can go before smashing into the ground? I was thinking of something using a ram jet :)
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[18:50] <adamgreig> in general the models are sufficient to imagine what would happen without needing to experiment there Obscene_CNN
[18:51] <adamgreig> the reasons that's a terrible and ill advised plan should be obvious
[18:51] <Obscene_CNN> but it would be fun to say you made something that went mach 3
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[18:52] <adamgreig> right, run to say that in court
[18:52] <adamgreig> fun*
[18:52] <DL1SGP> the issue with things dropping from high is that they do not only get fast but also create a huge impact energy, so doing it as an experiment just to see what happens is nothing that should be done without being sure nobody is clsoe
[18:52] <adamgreig> "but officier i just wanted to say i made a thing go to mach 3" ain't gonna fly
[18:52] <G0TDJ_AFK> SPEARS just updated
[18:52] <DL1SGP> yay for spears
[18:52] <Obscene_CNN> do it in international waters then
[18:52] Nick change: G0TDJ_AFK -> G0TDJ_Steve
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[18:53] Nick change: daveake -> dave-on-a-hill
[18:53] <G0TDJ_Steve> Hi Dave, how goes it?
[18:53] <dave-on-a-hill> got position
[18:54] <dave-on-a-hill> come back tomorrow to hike
[18:54] <G0TDJ_Steve> Sounds sensible
[18:54] <DL1SGP> good luck dave, my fingers are crossed for you and team
[18:54] <dave-on-a-hill> fing steep hill
[18:54] <Obscene_CNN> How about dangling 1000ft of magnet wire and turning it loose in a thunder storm?
[18:54] <dave-on-a-hill> jju
[18:55] <G0TDJ_Steve> We'll follow your progress tomorrow. Meantime, watch that terrain!
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[18:57] <G0TDJ_Steve> Surely it must be pitch black there
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[18:58] <sv1ljj> dave-on-a-hill: SPEARS should be there too!!!
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[18:58] <Obscene_CNN> please don't call him shirley
[18:58] <G0TDJ_Steve> LOL
[18:59] <G0TDJ_Steve> Now THIS is when we need an amateur satellite to receive the signal so the exact position can be plotted
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[19:00] <Obscene_CNN> like this? http://gotransat.com/tracking/
[19:01] <Obscene_CNN> https://www.facebook.com/ScoutTransatlantic
[19:01] <G0TDJ_Steve> Yes, what is that tracking?
[19:02] <Obscene_CNN> www.gotransat.com its an atonomous boat crossing the atlantic.
[19:02] <G0TDJ_Steve> Interesting
[19:03] <Lunar_Lander> hi dave-on-a-hill
[19:03] <Lunar_Lander> are you like dave-next-the-sea only on a mountain?
[19:03] <Lunar_Lander> xD
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[19:25] <DL1SGP> hi dave :)
[19:25] <daveake> hiya
[19:25] <daveake> in car going back to our digs
[19:26] <daveake> try again tomorrow
[19:26] <daveake> we have the landing position
[19:26] <DL1SGP> yeah that is a good idea, safety first, aliens won't take it away over night
[19:26] <daveake> so we'll make a plan of how to get there without dying first
[19:26] <bertrik> ok, have fun tomorrow
[19:27] <DL1SGP> is the last position of SPEARS the rough landing point daveake ?
[19:27] <daveake> no
[19:27] <Upu> it will be to within 5 meters probably
[19:27] <daveake> exact landingposition
[19:27] <daveake> yup
[19:27] <DL1SGP> k :)
[19:28] <daveake> we hiked up a mountain till we got a faint signal
[19:28] <daveake> hard work but great views of suset
[19:29] <Upu> I think you deserve a beer
[19:29] <daveake> just about to decode then the 817 battery died :p
[19:29] <daveake> fortuunately had the icom with me
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[19:30] <Upu> yeah those 817 batteries are beginning to be an issue
[19:30] <Upu> not like you can quickly swap them out either
[19:30] <Upu> Its on my list of stuff to look at
[19:30] <daveake> many
[19:30] <mfa298> mine tends to run from SLA's or car battery - but not so good for up a mountain
[19:30] <DL1SGP> the farmer paths going off the N-502 heading east roughly 1,2km south of mengamunroz where the N-502 takes a strong turn south before returning on northern direction look promising
[19:31] <Upu> no :)
[19:31] <Upu> standard pack when new is 1400maH
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[19:32] <Upu> 8 x Ni-Mh
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[19:32] <mfa298> fill the AA holder with the Energizer Lithiums
[19:32] <mfa298> although that will get expensive
[19:32] <fsphil> one of the guys in our club carry a small lipo battery for the ft817
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[19:33] <Upu> you could fix 6 LiPo's together 2 x 3
[19:34] <Upu> I need to dig out the circuit diagram
[19:34] <fsphil> would be vastly better, and if doing rx-only it wouldn't put much strain on it
[19:34] <daveake> yeah inmy 4x4 I have the car charger wired in
[19:34] <daveake> Didn't bring it tho
[19:35] <mfa298> I suppose getting a 4x4 into your hand luggage is a challenge :P
[19:36] <daveake> :)
[19:37] <daveake> bit far to have driven it here
[19:37] <daveake> would havemade that hill a lot easy to climb :p
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[19:39] <Lunar_Lander> daveake, congratulations on the flight
[19:39] <daveake> ain't got it back yet
[19:40] <Lunar_Lander> yea
[19:40] <daveake> didn't entirely go to plan
[19:40] <daveake> I bet there's 1kg of latex there with a big rip
[19:40] <astrodog> dave: If I can find a topo of out there, might be able to cut down on the walk next time.
[19:42] <mfa298> having lots of latex returning with the balloon sounds like it might be becoming a lohan test thing.
[19:42] <fsphil> landing in bad places seems to be a lohan thing too
[19:45] <daveake> yeah I'll download full topo tonight to my tablet
[19:45] <daveake> but all help welcomed :)
[19:46] <astrodog> daveake: Got the lat/long for your signal handy?
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[19:52] <daveake> See spears on map
[19:52] <daveake> It's that position
[19:52] <daveake> The plae in Spain should have landed onn the plain
[19:53] <DL1SGP> daveake: if 1:200000 is any help https://dl.dropbox.com/s/j8sv9yhq89zvo1o/AVILA_H30.png?dl=1
[19:53] <daveake> cheers
[19:53] <daveake> in car still will look later
[19:53] <Lunar_Lander> daveake, is there info if the plane release worked?
[19:53] <astrodog> Do have a much closer road, if you want to try for that tomorrow.
[19:53] <DL1SGP> yeah if that dropbox is too slow give me a shout and I will send it up to my FTP
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[19:55] <astrodog> DL1: Mind if I georeference that and use it?
[19:56] <daveake> yes closer = better :)
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[20:04] <tweetBot> @daveake: The paper plane in Spain falls mainly on the mountain #UKHAS
[20:04] <daveake> LL no release was set for 30.5km balloon burst way before that
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[20:05] <Lunar_Lander> :( sad to hear that
[20:05] <daveake> shit happens
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[20:06] <daveake> I have a theory will be interesting to see the balloon
[20:06] <Lunar_Lander> yea
[20:07] <Hix> dusty environment and handling issues?
[20:08] <daveake> Don't think so
[20:08] <daveake> Went up slowly
[20:08] <daveake> Suspect some of the latex didn't want to stretch
[20:08] <astrodog> dave: Looks like it's about 150m off the access road.
[20:08] <Hix> :/
[20:09] <astrodog> Also, for an early burst... that thing went a long way given the prediction.
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[20:12] <DL1SGP> astrodog: the map is used on this website as well, http://detopografia.blogspot.co.uk/p/mapas-de-espana-descarga.html I do not know if there are any further copyrights on it
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[20:12] <DL1SGP> looks scanned to me :)
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[20:17] <daveake> ok pub
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[20:17] <aharasic> Hi there... does anyone have experience with high altitude wind prediction?
[20:17] <aharasic> I need a hand to launch a Weather balloon close to the Andes
[20:18] <astrodog> aha: Depending on how close close is, the standard modeling should work pretty well.
[20:18] <aharasic> does that work regardless of your location?
[20:19] <astrodog> Yeah. The model it uses is global. Lemme find the URL.
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[20:19] <sv1ljj> check out sp3osj
[20:19] <sv1ljj> it went for a ride .... and returned home!!!!
[20:19] <mfa298> aharasic: most people here use http://predict.habhub.org/ for predictions
[20:19] <astrodog> http://predict.habhub.org/
[20:20] <astrodog> aha: How close is close to the mountains?
[20:20] <aharasic> yeah... that's what I'm using... I was wondering how accurate that is
[20:20] <mfa298> there's also an hourly version that can be setup for you (like http://predict.habhub.org/hourly/highfield/)
[20:20] <aharasic> I'm 30 miles from the Andes... and on the other hand it is Argentina
[20:21] <aharasic> I'm guessing I'll have to make a big trip for recovery of the balloon
[20:21] <mfa298> general concensus is it's as good as the data you put in (e.g. to get ascent/decent rates and burst altitude right)
[20:21] <astrodog> ahar: The standard model should be okay at that distance.
[20:22] <mfa298> if it's close to landing in a bad spot move somewhere else (or postpone) - depending on what the local rules allow
[20:22] <aharasic> perfect... thanks a lot for the tips
[20:23] <astrodog> One potential issue, though...
[20:24] <astrodog> Just looking at GFS there with winds...
[20:24] <astrodog> There's the distinct possibility it will just shoot over to the Atlantic.
[20:24] <aharasic> you mean all the way to the Atlantic? I'm in Santiago, Chile
[20:24] <Hix> jealous
[20:25] <astrodog> aha: That helps. I was looking a bit south. Do expect to visit Argentina, though.
[20:26] <mfa298> best thing to do is try some predictions and vary the values to see what happens - but also remember that the predictions will change over time
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[20:27] <aharasic> So, I'm checking that if I drive about 600 miles north, the wind is not that bad... at least the balloon would fall on my side of the Andes
[20:27] Action: Hix would gladly help recover from the Andes [subject to airfares] :)
[20:28] <aharasic> Is there a chance that in some weather conditions wind could play on my side, and make my balloon to drift shorter ranges of distance?
[20:29] <astrodog> aha: Absolutely. Just a matter of waiting for the right conditions.
[20:29] <astrodog> The predominant conditions there will toss it into Argentina, but the wind won't *always* go that way.
[20:29] <aharasic> so now we're entering summer time... would that be better ?
[20:30] <mfa298> winds can change over time, but you probably need to talk to someone local to find out what they do during the year
[20:30] <astrodog> aha: From what very little I know of that area, summer *is* better, I believe.
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[20:31] <mfa298> you can also adjust things like the ascent rate to get a quicker burst
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[20:32] <aharasic> Great, again... thanks for all the help
[20:33] <DL1SGP> also check if you got a radio-sounding station for meteorologic purpose nearby, they may be transmitting their sounding data to the University of Wyoming weather archive
[20:33] <LeoBodnar> adamgreig: I got much better performance with stepping the modem at sub-Hz intervals
[20:33] <adamgreig> not surprising given as the tone centres are sub hz
[20:34] <adamgreig> 890.625Hz etc
[20:34] <LeoBodnar> It either has to be bang on i.e. exact or some PLL loop
[20:34] <LeoBodnar> YOur modem centre was on 976.57Hz thats's why I struggled at 977
[20:34] <adamgreig> ?
[20:34] <adamgreig> centre is 1000
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[20:35] <adamgreig> I think?
[20:35] <adamgreig> I mean, it's meant to be ;) but with this particular sentence I think the top tone never got used
[20:35] <LeoBodnar> By the end of the header pattern there was enough phase offset accumulated to create blurred detection
[20:36] <adamgreig> right
[20:36] <adamgreig> makes sense
[20:36] <tweetBot> @daveake: HABbing on a mountaintop ... http://t.co/5DNgN1vJh8 #UKHAS
[20:36] <adamgreig> you want a frequency tracking loop maybe
[20:36] <LeoBodnar> Yes
[20:36] <Geoff-G8DHE> Object Movie of todays test flight for Lohan http://360.g8dhe.net/hab_flights/LOHAN_TEST_20130916/index.php?ind=10
[20:36] <LeoBodnar> I think detect the heaeder and then do freq adjustment on each tone segment
[20:37] <LeoBodnar> +-1Hz is good enough
[20:37] <adamgreig> or do a pll
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[20:37] <LeoBodnar> If I use 976.57Hz as modem centre I can see header down to -15dB
[20:37] <LeoBodnar> Or so I think
[20:38] <LeoBodnar> *fix modem freq
[20:38] <adamgreig> we might have different definitions of centre
[20:38] <LeoBodnar> Tones are symmetrical around centre
[20:38] <adamgreig> there are an even number of tones
[20:38] <adamgreig> I wonder if I see the issue
[20:38] <adamgreig> might be half a tone off
[20:38] <adamgreig> frankly should define the lowest frequency not centre imo
[20:39] <adamgreig> but yes, 18 tones and I'm putting the 9th at 1khz I think
[20:39] <adamgreig> or 10th or something
[20:39] <adamgreig> either way I'm half a tone off then
[20:39] <adamgreig> however that should only be, what, 7Hz
[20:39] <LeoBodnar> 15.625/2
[20:39] <adamgreig> yea
[20:39] <adamgreig> nor the 24Hz or so you're seeing
[20:40] <adamgreig> but I note I don't transmit on the top frequency
[20:40] <LeoBodnar> That's what it found the centre at :)
[20:40] <adamgreig> the centre of what I transmitted?
[20:40] <adamgreig> or the centre of the 18 theoretical tones
[20:40] <adamgreig> because if I only transmit on the lower 17 tones then...
[20:40] <LeoBodnar> 18
[20:40] <adamgreig> though it sounds like you're putting me at 1.5 tones below desired
[20:40] <adamgreig> so might be an off by one combined with the half tone thing
[20:40] <tweetBot> @daveake: Horses on a hill http://t.co/u27QsfvNbC #UKHAS
[20:41] <tweetBot> @G8DHE: Todays flight path for the LOHAN test flight
[20:41] <tweetBot> http://t.co/ldM61pVwD8
[20:41] <tweetBot> #ukhas
[20:41] <LeoBodnar> I wander if you can transmit the sequence that is impossible to use to deduce full modemposition
[20:42] <LeoBodnar> I guess you can
[20:42] <adamgreig> well yes just transmit each tone in sequence
[20:42] <adamgreig> that'l never be legitimate
[20:42] <LeoBodnar> So it is non'deterministic
[20:42] <adamgreig> but the whole point of domex is you should never need to do specific sync patterns
[20:42] <adamgreig> or one of its points anyway
[20:42] <LeoBodnar> No it won't
[20:42] <LeoBodnar> increase each tone by 3 that letter "e"
[20:43] <adamgreig> ?
[20:43] <LeoBodnar> So we get 0 3 6 9 12 15 0 no
[20:43] <adamgreig> I mean if you just transmit each sequential tone
[20:43] <adamgreig> that won't be an allowed pattern
[20:43] <adamgreig> or are you trying to find an allowable pattern that hits each tone?
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[20:44] <LeoBodnar> It's reasonably easy, just a thought.
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[20:44] <LeoBodnar> There could be two modem centres that satisfy your seqence and I probably chose the lowest freq one as am scanning up
[20:44] <adamgreig> oh yea I suppose it doesn't actually matter does it
[20:44] <adamgreig> you can't tell if I don't use freq 18 or 1
[20:44] <LeoBodnar> No
[20:45] <adamgreig> so yea there are two possible centres
[20:45] <adamgreig> if you tune one tone higher you should find another and that's the frequency I thoguht I set, but actually I'm also off by h alf a tone
[20:45] <adamgreig> ok
[20:45] <adamgreig> that makes sense then
[20:45] <LeoBodnar> Only if you are doing PLL and you have locked onto the wrong (incomplete) modem
[20:45] <LeoBodnar> We must adjust the header that creates deterministic modem position
[20:46] <Laurenceb_> http://i.imgur.com/la6cjV0.jpg
[20:46] <adamgreig> why do we need that though
[20:46] <adamgreig> oh
[20:46] <adamgreig> well yea I guess
[20:46] <adamgreig> to prevent locking onto wrong centre
[20:46] <adamgreig> interesting problem
[20:46] <LeoBodnar> Because you can lock on the wrong modem freq and miss the tones outside
[20:46] <adamgreig> wonder why dlfidigi don't have that issue
[20:46] <LeoBodnar> I wonder if I have hit this problem. Doh! Headslap
[20:46] <adamgreig> woudl've thought the domex designers would have solved that
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[20:47] <eroomde> LeoBodnar, ping
[20:48] <tweetBot> @daveake: LOHAN flight on the way up http://t.co/XFIyNb6kD5 #UKHAS #RaspberryPi
[20:48] <LeoBodnar> Keep transmitting letter "r" and see what happens :)
[20:48] <adamgreig> does that work out?
[20:48] <LeoBodnar> yo eroomde
[20:49] <adamgreig> what about space?
[20:49] <adamgreig> it's 0 so 2 tones so hits every other
[20:49] <adamgreig> hmmm
[20:49] <eroomde> LeoBodnar, thought you might appreciate this vid from today
[20:49] <LeoBodnar> Space only cycles through even codes 0 2 4...16 0 2...
[20:49] <adamgreig> indeed
[20:49] <eroomde> i'm documenting the experiments with actively stabilised model rockets that my boss did in the early 90s
[20:49] <eroomde> back in the days before mems
[20:49] <LeoBodnar> Which one ?
[20:50] <adamgreig> oh man, this is great
[20:50] <eroomde> gyroc, it was called
[20:50] <adamgreig> gyroc like 1?
[20:50] <adamgreig> I can't believe this worked, so cool
[20:50] <eroomde> yeah
[20:50] <eroomde> so we took a video if it today
[20:50] <eroomde> so it's made from the magnetic rotor of an old bicycle dynamo
[20:50] <eroomde> a 4 pole magnet
[20:50] <LeoBodnar> oO
[20:51] <eroomde> he made up a little housing for it with a tacho that reflected off stripes on the rotor, to pulse the coils
[20:51] <adamgreig> it's absolutely mental
[20:51] <adamgreig> little tipex painted stripes
[20:51] <eroomde> then there are relectomoeters on the bottom differentially paired across the centre
[20:51] <eroomde> so it can measure how the rotor is tileted within the stator
[20:51] <eroomde> the whole thing is run on a mechanical pencil as a graphite bearing
[20:51] <eroomde> behold the vid
[20:51] <eroomde> http://www.youtube.com/watch?v=TdI44rXg-Vw
[20:52] <Hix> where is babs when you need to excite him?
[20:52] <eroomde> so you can see the leds and relectometers on the bottom
[20:52] <Hix> read that as rectometers :/
[20:52] <eroomde> it gets up to about 14krpm
[20:52] <DL7AD> www.dl7ad.de/weather17_18_19.zip
[20:53] <eroomde> at the end of the vid you see it keeping its inertial reference frame relative to the cage being moved around it
[20:53] <adamgreig> so great
[20:53] <eroomde> the thing on the scope we pan to is the tacho pulse output
[20:53] <adamgreig> you need to video the other mech gyros. with a good microphone
[20:53] <Hix> bookmarked in Gimbal folder :)
[20:54] <LeoBodnar> Classic - I love it, is it like 2/3 of 3 phase motor? Is it PM rotor or async induction one?
[20:54] <eroomde> PM rotor
[20:54] <eroomde> 4 poles
[20:55] <eroomde> i.e. 4 N/S pairs across the diameters
[20:55] <Laurenceb_> is it doing feedback like mor enormal brushless ESC?
[20:55] <eroomde> visual tacho
[20:55] <Laurenceb_> ah
[20:56] <jonsowman> category: comedy
[20:56] <jonsowman> nice
[20:56] <Laurenceb_> i wonder about a place induction motor
[20:56] <Laurenceb_> same thing with alu rotor
[20:56] <Laurenceb_> *plane
[20:56] <eroomde> this is gyroc flying back in the 90s
[20:56] <eroomde> http://michael.sdf-eu.org/Gyroc/Gyroc.mpeg
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[20:56] <LeoBodnar> Lol, this is stuff Russians are usually supposed to do :D
[20:56] <LeoBodnar> (It's a muffled compliment)
[20:56] <eroomde> servo gimbal's motor
[20:57] <eroomde> no idea why i punctauted like that
[20:57] <eroomde> motor is gimballed by hobby servos
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[20:57] <LeoBodnar> Is apostrophe's punctuation?
[20:58] <LeoBodnar> Lol fail
[20:58] <LeoBodnar> Dyson would say it is a digital motor spinning faster than Formula 1 engine.
[20:58] <eroomde> so it is just a little solid that kicks it up and thrists away for a few seconds
[20:59] <eroomde> thrusts*
[20:59] <eroomde> the thrust is slightly less than the weight of the rocket
[20:59] <eroomde> but it proved a point
[20:59] <tweetBot> @daveake: It's well known that all rental cars are designed for off-road use ... http://t.co/fc31NFv88B #UKHAS #RaspberryPi
[20:59] <adamgreig> slightly more surely
[20:59] <eroomde> i'm going to write a big blog post describing it all just so it's up on the net somewhere
[20:59] <Hix> LeoBodnar it was the apostrophe's fault ;p
[20:59] <adamgreig> eroomde: going to document all the way through to modern gyroc?
[20:59] <eroomde> just 1 and 2 for now
[21:00] <eroomde> modern gyroc is going to be its own thing
[21:00] <adamgreig> fair enough
[21:00] <adamgreig> company historian huh
[21:00] <eroomde> well, it's useful to get a record of stuff up
[21:00] <Hix> is gyroc gyro control? whats the c
[21:00] <LeoBodnar> I am sure the whole stabilisation system can be built purely out of analogue components withou a single IC
[21:00] <eroomde> especially as stabilised rockets are in vogue
[21:00] <adamgreig> LeoBodnar: did you see that video? it was!
[21:00] <eroomde> and copenhagen keep saying they're the first european amateurs to actively stabilise a rocket
[21:00] <eroomde> where james predates them by nearly two decades
[21:01] <adamgreig> lol
[21:01] <eroomde> yes it was all analogue
[21:01] <Hix> is this a single gimballed nozzle?
[21:01] <eroomde> gyroc2 was solid state gyros and pic16f84 assembler
[21:01] <eroomde> Hix, gimballed whole motor
[21:01] <eroomde> it's a hobby solid
[21:01] <eroomde> G12
[21:01] <LeoBodnar> Haha, history has been overwritten so many times historians lost count
[21:01] <eroomde> http://www.thrustcurve.org/motorsearch.jsp?id=80
[21:01] <Hix> oh estes [sp] kinda thing
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[21:02] <Hix> bastart hydra adverts
[21:02] <eroomde> can see the thrust curve in the datasheet
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[21:02] <LeoBodnar> I think I have started warming up towards rockety stuff
[21:03] <eroomde> it's really cool
[21:03] <eroomde> best 1.5 years of my life so far
[21:03] <Geoff-G8DHE> LeoBodnar, But sending rockets across the whole of Europe and the Middle East will be frowned upon.
[21:03] <LeoBodnar> What point HABs?
[21:04] <Hix> heh
[21:04] <craag> haha Geoff-G8DHE !
[21:04] <eroomde> LeoBodnar, i have not launched anything since 2010
[21:04] <eroomde> correlates with getting into rockets
[21:05] <LeoBodnar> I am pretty much the same - haven't launched for 2 weeks now.
[21:05] <eroomde> :p
[21:05] <Hix> ha ha ha
[21:05] <craag> lol Leo
[21:05] <eroomde> this is the current gyroc
[21:05] <eroomde> liquid bipropellents
[21:05] <Hix> LeoBodnar gets withdrawal
[21:05] <LeoBodnar> Bends
[21:05] <eroomde> static test fire
[21:05] <eroomde> http://www.youtube.com/watch?v=IkGlKYRISFM
[21:05] <Hix> damn my typing
[21:05] <eroomde> i.e. strapped down, just testing the engine and gimballing
[21:05] <eroomde> it's a much different kettle of fish
[21:06] <eroomde> this is the one we've been working on in spare time for the last wee bit
[21:06] <Hix> ahh i remember that
[21:06] <Hix> electric linear actuators eroomde
[21:06] <Hix> ?
[21:06] <eroomde> yup
[21:07] <eroomde> andy made them
[21:07] <LeoBodnar> This is manly this.
[21:07] <eroomde> it's a much bigger and scarier beast. but it should be aweome when we get it hovering
[21:07] <Hix> nothing is as manly as the jettle LeoBodnar
[21:08] <LeoBodnar> Linear AC servomotors?
[21:08] <eroomde> dc
[21:08] <Hix> eroomde seen this, badly want http://goo.gl/27WB3T
[21:08] <Hix> it past watershed so i feel no guilt
[21:08] <eroomde> but i'm just doing the brushless driver control board right now
[21:08] <eroomde> to upgrade them to brushless servomotors
[21:08] <LeoBodnar> I just brought one like this.
[21:08] <Hix> LeoBodnar http://goo.gl/vXDHJv
[21:09] <eroomde> we made them
[21:09] <eroomde> just because cool
[21:09] <eroomde> carbon fibre bodies
[21:09] <LeoBodnar> Brought != bought
[21:09] <Hix> heh
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[21:09] <Hix> babs is gonna be so pissed he's not here
[21:09] <eroomde> Hix, semi relatedly
[21:09] <eroomde> strong language
[21:09] <eroomde> warning
[21:09] <eroomde> http://static.fjcdn.com/pictures/Fucking+Hydrogen.+Teaching+Chemistry+Doinitrite_65d0a0_3806951.jpg
[21:10] <eroomde> what we give people who ask why we use hydrogen in rockets
[21:10] <SpeedEvil> eroomde: I misread. 'it should be awesome when we get it hoovering'
[21:11] <eroomde> might make a mess of your carpet
[21:11] <Hix> right I'm outta here, this is deffo a logsearch in t'morning
[21:11] <Hix> nigh all
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[21:11] <Hix> balls night
[21:11] <Lunar_Lander> can you rework pads of a part that has been supplied by an EAGLE library?
[21:11] <Lunar_Lander> night Hix
[21:12] <Hix> yes lunar, open the library, search part, edit
[21:12] <Hix> really going now
[21:12] <eroomde> in the newest eagle (6.5) you can right click on the part in layout view and click on the 'edit package' link
[21:12] <eroomde> which takes you direct
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[21:13] <LeoBodnar> Jettle oh dear :D
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[21:15] <LeoBodnar> nn
[21:15] <eroomde> nn
[21:15] <LeoBodnar> Hix:
[21:16] <LeoBodnar> I am not paying any more ransom to Eagle
[21:16] <LeoBodnar> CadSoft boys
[21:16] <LeoBodnar> Sticking with 5.11 for the rest of my life
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[21:17] <Lunar_Lander> eroomde, thanks
[21:17] <LeoBodnar> And I want to return all the autorouters that I have paid for
[21:17] <eroomde> oh god
[21:18] <LeoBodnar> As a wide-eyed novice
[21:18] <eroomde> autorouting is a disaster
[21:18] <eroomde> i simply cannot see how you could programme something that is sufficiently context aware to do an acceptable job
[21:18] <LeoBodnar> CadSoft should be tried in European court of Human rights for them
[21:19] <LeoBodnar> Monte Carlo based autorouting is probably better
[21:19] <eroomde> wouldn't be surprised
[21:19] <adamgreig> just defining a cost function though
[21:19] <adamgreig> what do you even optimise
[21:20] <adamgreig> god
[21:20] <adamgreig> if all your parts were tagged so you knew what was a clock, what was ground, what speed to expect where, how much current...
[21:20] <eroomde> what was rf, what was emi sensitive...
[21:20] <eroomde> yeah
[21:20] <eroomde> v difficult
[21:20] <adamgreig> nightmare
[21:21] <adamgreig> you'd have to spend as long telling it what nets were what as it'd take to route in all but the hardest cases
[21:21] <adamgreig> eventually though it does get hard enough to work I guess
[21:21] <LeoBodnar> At least it would look cooler than any autorouting crap I have seen so far.
[21:21] <Lunar_Lander> yea
[21:21] <adamgreig> motherboards, GPUs, that sorta stuff
[21:21] <eroomde> PhD adamgreig!
[21:21] <adamgreig> or FPGAs, chip design stuff
[21:21] <adamgreig> haha
[21:21] <WillTablet> Hello Lunar, adamgreig, Ed
[21:22] <adamgreig> rip my hair out trying to make something that could autoroute just as well as a 5 year old with a crayon
[21:22] <eroomde> yep
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[21:22] <LeoBodnar> 90 degrees random turns, jumps from one layer to another for no reason, oh god
[21:22] <adamgreig> for the third year software project (logic simulator)
[21:22] <adamgreig> one of my team decided to try and draw the equivalent logic schematic
[21:22] <eroomde> i used up every single pin of an stm32f103 today
[21:22] <adamgreig> i.e. from a text file that just described logic in terms of inputs, outputs and fundamental logic operations
[21:22] <WillTablet> eroomde, how's work?
[21:22] <adamgreig> make a sensible looking schematic
[21:23] <adamgreig> he did a shockingly good job but it's bloody hard
[21:23] <adamgreig> and that's where you don't really mind how long traces are or what angles or anything...
[21:23] <LeoBodnar> What even special last resort bodge one?
[21:23] <adamgreig> haha wow
[21:23] <eroomde> literally all used up when i went around doing all the alternate io function stuff
[21:23] <eroomde> right on the nose
[21:23] <eroomde> very satisfying
[21:23] <adamgreig> that's a good feeling
[21:23] <adamgreig> yea
[21:23] <adamgreig> haven't wasted a bit
[21:23] <adamgreig> and getting it all to route
[21:23] <adamgreig> someimes I wonder what would have happened if I needed even one more pin used on wombat
[21:24] <adamgreig> https://randomskk.net/u/wombat.png
[21:24] <eroomde> i haven't routed it yet
[21:24] <adamgreig> oh hahaha
[21:24] <adamgreig> you're fucked
[21:24] <adamgreig> :P
[21:24] <eroomde> tell me about it
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[21:24] <eroomde> gonna do a fanout fpga-style
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[21:24] <LeoBodnar> Nice groundplane work
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[21:24] <eroomde> and then inform james that this is going to be a 4-layer board
[21:25] <adamgreig> that said wombat used 49/64 pins
[21:25] <adamgreig> and that was a nightmare enough
[21:25] <adamgreig> how many pins is your stm32?
[21:25] <eroomde> i spent along time picking the io with the physical board layout in mind
[21:25] <WillTablet> eroomde: just got 'The Fall' dans la poste, wonder if it'll be as good as L'etranger.
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[21:26] <eroomde> not read it - let me know what you think WillDuckworth
[21:26] <eroomde> WillTablet,
[21:26] <eroomde> even
[21:26] <WillTablet> Sure.
[21:26] <adamgreig> 'cause if it was a 48 pin stm32 I am less impressed :P
[21:26] <eroomde> 64
[21:27] <adamgreig> fe
[21:27] <eroomde> nearly bumped to the 100
[21:27] <eroomde> but now i Shall Make It Work
[21:27] <adamgreig> where there's a will
[21:27] <eroomde> there's a 6-layer fab
[21:27] <adamgreig> hehe
[21:27] <adamgreig> you should be able to do it in 4 layers tbh
[21:27] <eroomde> gotta tray and get it into 2
[21:27] <adamgreig> maaaybe two
[21:27] <adamgreig> yea
[21:28] <eroomde> 4 would be fine i'm sure
[21:28] <adamgreig> if the layout is good and you're lucky about where pins go
[21:28] <adamgreig> then 2's possible
[21:28] <adamgreig> really really wish stm32 had assignable pins
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[21:28] <adamgreig> like the newer pics
[21:28] <adamgreig> though admittedly doing the pin swapping in layout to match whatever is convenient and backannotating to schematic would drive me crazy
[21:29] <eroomde> it has a bit of flexibilty
[21:30] <eroomde> at least
[21:30] <adamgreig> yea
[21:30] <adamgreig> the afio stuff
[21:30] <eroomde> yeah
[21:30] <eroomde> helped me out a lot today
[21:30] <WillTablet> I really should use the phrase when there's a will there's a way more often.
[21:30] <adamgreig> yea when you start running right up against things it comes in handy
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[21:30] <adamgreig> though often it's only more aggrevating
[21:30] <adamgreig> because the only alt map of this thing you need is on another pin that you need for a different thing
[21:31] <adamgreig> and you alt map that pin's primary function but it conflicts with _another_ thing
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[21:31] <adamgreig> like those stupid bloody puzzles where you have to keep sliding the one empty tile spot around until it all works
[21:31] <eroomde> yes
[21:31] <WillTablet> I need a Gene Genie style catchphrase and when there's a will there's a way might be suitable.
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[21:32] <WillTablet> (Referring to Gene Hunt from life on mars)
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[21:36] <WillTablet> eroomde is the planned use for SABRE only for Skylon?
[21:36] <eroomde> yes
[21:38] <WillTablet> Time to quit my physics course for realz. In the past, I've just abandoned them and kept getting emails.
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[21:38] <WillTablet> :-( I guess I'll find a better way of learning physics.
[21:39] <LeoBodnar> Experiment
[21:40] <WillTablet> With what?
[21:40] <mfa298> WillTablet: maybe try some physics/maths courses at a slightly lower level - maybe see if there's a gcse/a-level level of course to try
[21:40] <LeoBodnar> Measure g for example to 4th digit after decimal point
[21:40] <adamgreig> build rockets
[21:40] <adamgreig> they're great physics
[21:40] <mfa298> possibly find some maths courses first as that might help with some of the physics
[21:41] <WillTablet> I don't think there will be for physics. I did do a udacity course though. Might be a precalc course on coursera
[21:41] <LeoBodnar> Most groundbreaking experiments were ridiculously simple
[21:41] <WillTablet> Signature track seems like a money spinning exercise
[21:42] <mfa298> or go and find some other interesting/unusual activities to do.
[21:43] <mfa298> at 13 I was playing one of the loudest musical instruments there is (church bells) which also gives some interesting maths/pattern problems
[21:43] <eroomde> beginner violin is the loudest musical intrument
[21:44] <eroomde> or at least it feels like it
[21:44] <WillTablet> I just thought ooh church bells, oh churches
[21:44] <mfa298> not all ringers are christian - although it can mean getting up on a Sunday morning.
[21:45] <WillTablet> mfa298 don't be offended when I say this but I don't want any affiliation with my local church
[21:46] <mfa298> I wasn't necessarily recommending it as an activity to do, just an example of the different things that are out there.
[21:46] <WillTablet> Hmm.
[21:46] <WillTablet> Ice Hockey?
[21:46] <WillTablet> Actually I'd break the ice, I'm so heavy
[21:46] <WillTablet> Air Cadets maybe.
[21:47] <WillTablet> Except that involves the forces.
[21:47] <LeoBodnar> g forces
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[21:47] <WillTablet> I can't stand being yelled at by somebody who I could hear perfectly well if they didn't
[21:48] <WillTablet> Uhm
[21:49] <WillTablet> Quadcopters- too expensive
[21:49] <WillTablet> Church- too Christian
[21:49] <mfa298> getting out and doing something like those sorts of things can be well worth it - even if part of it is just meeting other people.
[21:49] <WillTablet> Ham Radio- already doing
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[21:50] <WillTablet> I don't typically do other people
[21:51] <WillTablet> Not my speciality
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[21:51] <WillTablet> Anyways most people in the basingstoke area think I'm a total dick so.
[21:52] <mfa298> if you find it hard dealing with other people then an activity where you can practice those skills can be worthwhile - you just have to remember that you can do it.
[21:54] <Lunar_Lander> eroomde, succeded in making longer pads for the BMP085
[21:54] <Lunar_Lander> thanks
[21:54] <eroomde> np
[21:54] <WillTablet> mfa298, I have to deal with enough people at my school
[21:55] <WillTablet> So it's nice to come home and play BF3 with Germans
[21:55] <WillTablet> Who I don't know.
[21:55] <WillTablet> Who shoot indiscriminately at me.
[21:56] <mfa298> finding some stuff to do regularly that doesn't require a computer/console is good as well.
[21:57] <WillTablet> Well I'm stuck for ideas there.
[21:57] <mfa298> take the ed example and learn the violin - and really annoy the neighbours
[21:57] <WillTablet> I used to play the trumpet
[21:58] <mfa298> or some other instrument that maybe doesn't annoy them so much
[21:59] <WillTablet> My granddad and I wanted to build an electrolysis system in our greenhouse, when my dad said it might explode I said we'd just aim it at the neighbours.
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[21:59] <WillTablet> Well I don't want to annoy my granddad, since he's my neighbour.
[21:59] <WillTablet> Erm what could I do...
[22:00] <WillTablet> Hmm. Base Jumping. I could do it a few times but I'd probably 'forget' to open my parachute
[22:03] <WillTablet> Meh IDK
[22:03] <WillTablet> I'm out of ideas
[22:04] <eroomde> disallow IRC in the evenings for a week
[22:04] <eroomde> see what you come up worth
[22:04] <eroomde> with*
[22:04] <mfa298> ... work out if I really want to try installing solaris 11 on a system
[22:05] <WillTablet> What think what to do???
[22:05] <WillTablet> Well that's silly. Aside from IRC, I have almost no life.
[22:05] <eroomde> yes
[22:05] <eroomde> so loose the irc as that's not a life
[22:05] <mfa298> only allow a couple of hours of pc/console/tv time a day and find other things to do.
[22:05] <eroomde> and come up with new things
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[22:06] <LeoBodnar> adamgreig: If know exact modem frequency I can detect header in -15dB wideband noise files. Fascinating
[22:06] <mfa298> irc is a tool for getting things done/ getting help (or wasting time - and just wasting time isn't a good reason)
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[22:06] <LeoBodnar> *I
[22:07] <adamgreig> cool
[22:07] <adamgreig> how confident is your detection though
[22:07] <WillTablet> What would I do???
[22:07] <WillTablet> Read
[22:07] <adamgreig> if you know the signal you're looking for then the detection problem is entirely a threshold question
[22:07] <adamgreig> which is just a case of balancing false positives / false negatives
[22:08] <WillTablet> Stuff aside from the interwebz is borimg
[22:08] <LeoBodnar> It correctly finds one of 18 possible sequences that header can start from
[22:09] <LeoBodnar> I guess you can see anything in white noise if you look hard enough but this is still amazing
[22:09] <adamgreig> oh so it's more saying "I _know_ the header is present, what freq does it start at?"
[22:09] <adamgreig> it should be a question of statistics and stuff
[22:09] <eroomde> yes
[22:09] <eroomde> it sounds like a canonical model selection problem
[22:09] <adamgreig> I mean, as a one off test case it's cool that it gets the correct start freq in -15dB
[22:10] <adamgreig> but what you really want to do is iterate many times with many random noise sources and plot the probability of error against the noise power
[22:10] <eroomde> assuming there is one of the following set in here, which is the most likely
[22:10] <adamgreig> trying it once on one sample doesn't tell you a huge amount
[22:10] <WillTablet> Not going on the interwebz is not a good idea.
[22:10] <adamgreig> eroomde: exactly. though it could be any of 18 start freqs, at any time in the file. probably worth trying to detect whether it's there at all too
[22:10] <WillTablet> Life would be depressing without it.
[22:11] <LeoBodnar> Yes, it just gives you a nice feel that your header is still there, or at least the impression on the sofa it was sitting on.
[22:12] <eroomde> adamgreig, yep indeed
[22:13] <adamgreig> eroomde: back to drawing board on rgps idea without bpsk transmitters
[22:13] <adamgreig> can't do dsss with fsk
[22:13] <eroomde> rgps?
[22:13] <LeoBodnar> Oh, sure it's like all those market trading software that has been tried and tested on one single dataset. And you always know that customer will try it on the same dataset as it is the only one in existence.
[22:13] <adamgreig> rGPS
[22:13] <adamgreig> but i wonder if you could basically just do the same thing without the spreading
[22:13] <adamgreig> i.e. just transmit the fsk signals and still try to lock on relative to some common reference
[22:13] <WillTablet> Not a bad deal. I wonder if you bought one of these and flew it into the country, if you'd have to pay import tax http://www.controller.com/listingsdetail/aircraft-for-sale/CESSNA-TURBO-182T-SKYLANE-JT-A/2013-CESSNA-TURBO-182T-SKYLANE-JT-A/1256931.htm
[22:13] <adamgreig> you could still transmit some unique fsk sequence
[22:13] <adamgreig> just more faff to align it
[22:14] <adamgreig> and nonlinear stuff and doppler and phase noise will screw it up quicker
[22:14] <adamgreig> but given as we have plenty of snr it could work
[22:14] <WillTablet> Also there's the minor issue of how to get a light aircraft to england from indiana
[22:15] <LeoBodnar> Is it for HABs or some useful purposes?
[22:15] <adamgreig> oh, just for playing with HABs
[22:15] <adamgreig> just so I can win the pico competition really
[22:15] <adamgreig> take out the ublox and GPS antenna and corresponding power consumption and you're doing pretty well
[22:16] <LeoBodnar> Is there one?! I want to enrol as well!
[22:16] <adamgreig> one cc430 microprocessor, some passives for the radio, a ligthweight 868MHz quarter wave, etc
[22:16] <adamgreig> you are the competition ;)
[22:16] <LeoBodnar> lol
[22:16] <adamgreig> mainly you could make very, very cheap tracking payloads
[22:16] <LeoBodnar> Passive tracker ftw!
[22:17] <adamgreig> well yes that's my other (RADAR) project ;)
[22:17] <adamgreig> turns out that getting a RADAR return from a HAB hundreds of km away is a little tricky
[22:17] <LeoBodnar> Passive transponders
[22:17] <adamgreig> though I do wonder if you could do it on a suitable frequency under the 400W of your ham license. maybe.
[22:17] <eroomde> suspect you could
[22:17] <adamgreig> yea
[22:17] <adamgreig> I reckon
[22:17] <adamgreig> esp with an electronically steered array
[22:17] <adamgreig> tracking is hard
[22:18] <adamgreig> once you know where it is, I reckon you could narrow the beam enough to get a return
[22:18] <adamgreig> but working out which way to steer when you lose it, idk
[22:18] <adamgreig> however I suspect that is a common problem and a few obvious ideas present themselves
[22:18] <adamgreig> for one, state model and predict
[22:18] <LeoBodnar> Can you use existing SSR network to trigger response on ISM band?
[22:18] <adamgreig> ssr?
[22:18] <LeoBodnar> secondary radars
[22:19] <LeoBodnar> the ones that trigger mode-c and mode-s transponders
[22:19] <adamgreig> hmm
[22:19] <adamgreig> not sure if that would help us?
[22:19] <LeoBodnar> So you use NATS infrastructure but receive response on private freq
[22:19] <adamgreig> sounds like it would be more complicated to make a payload?
[22:20] <LeoBodnar> but cool
[22:20] <adamgreig> true
[22:20] <LeoBodnar> YOu make other to do radar for you, you just receive the response
[22:20] <LeoBodnar> *others
[22:21] <LeoBodnar> http://en.wikipedia.org/wiki/Secondary_surveillance_radar
[22:21] <adamgreig> yea on that page now
[22:23] <WillTablet> adamgreig what pico competition?
[22:25] <adamgreig> the official ukhas pico competition
[22:25] <adamgreig> check the wiki
[22:25] <LeoBodnar> We need a trophy
[22:26] <eroomde> http://wwwdelivery.superstock.com/WI/223/4107/PreviewComp/SuperStock_4107-52706.jpg
[22:26] <LeoBodnar> haha
[22:27] <eroomde> right, nn
[22:27] <eroomde> WillTablet, go to bed
[22:28] <WillTablet> Ermagherd awesome, I wish my parents would let me fly a HAB.
[22:28] <WillTablet> eroomde, is that an order?
[22:28] <LeoBodnar> nn!
[22:28] <eroomde> suggestion. school night etc
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[22:51] <LeoBodnar> good night !
[22:52] <Lunar_Lander> good night LeoBodnar
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[23:08] <Laurenceb_> where is this pico competition?!
[23:09] <SpeedEvil> I thought I saw it once, but could never find it again,
[23:09] <craag> the wiki in a nutshell :)
[23:10] <SpeedEvil> on a random topic - it's amazing how much more visible you feel when you remove your windows and leave open air
[23:10] <SpeedEvil> though at night you're essentially as visible
[23:10] <Laurenceb_> someones trollin
[23:11] <Laurenceb_> i think we need a better radio link
[23:11] <SpeedEvil> I have removed my windows to prep them for painting - aggressively.
[23:12] <Laurenceb_> not uPVC ?
[23:12] <enkidu> uPVC is good for getting cancer
[23:12] <Laurenceb_> wtf
[23:13] <enkidu> it in not pure PVC
[23:13] <Laurenceb_> only if its set on fire or something
[23:13] <enkidu> not really
[23:14] <enkidu> pure PVC is stable, of course
[23:14] <enkidu> but additions are toxic
[23:14] <enkidu> wood is safer, but you have to choose paint wisely
[23:14] <adamgreig> you know what the u stands for, right
[23:15] <enkidu> no?
[23:15] <Laurenceb_> interesting - i haven't heard of this one
[23:15] <adamgreig> unplasticised?
[23:15] <Laurenceb_> heh
[23:15] <adamgreig> as in, no phthalates or BPA
[23:16] <enkidu> lack of plastificator doesnt mean, it has no additions
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[23:16] <adamgreig> well sure it could have other stuff in
[23:18] <enkidu> especially pigments and other things
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[23:19] <enkidu> clean PVC turns into yellow after time
[23:21] <enkidu> (in sun exposure of course)
[23:23] <enkidu> but in any case - we all gonna die. just a matter of time ;)
[23:26] <martinus> speak for yourself, I plan to live forever.
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[23:30] <Laurenceb_> B-12 will be over california tomorrow if its still up
[23:30] <Laurenceb_> any listeners over there?
[23:33] Action: Laurenceb_ zz
[23:33] <enkidu> I am
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[23:33] <enkidu> but I would say it will be there it three days
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[00:00] --- Tue Sep 17 2013