highaltitude.log.20131016

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[00:04] <SpeedEvil> To be fair - maybe the guy just has very similar hands.
[00:04] <SpeedEvil> DCMA takedown time!
[00:04] <SpeedEvil> :)
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[02:04] <SpeedEvil> http://www.ebay.com/itm/90mm-aewesome-fan/281013998769
[02:04] <SpeedEvil> err - wrong one
[02:05] <SpeedEvil> https://www.youtube.com/watch?v=WgJ7al6GRlo - near earth impact hazard and radar obs
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[02:47] <enkidu> nice
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[05:20] <Joel_re> hey, the latest code from github.com/jamescoxon/dl-fldgi seems to fail to compile
[05:21] <Joel_re> it fails at ./include/dl_fldigi/hbtint.h:6:21: fatal error: jsoncpp.h: No such file or directory
[05:21] <Joel_re> not sure if Im missing sometihng
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[06:09] <Chetic> Joel_re: my guess is you're missing jsoncpp :p
[06:19] <Joel_re> Chetic: I understand that :p
[06:20] <Joel_re> seems like I need to clone https://github.com/ukhas/habitat-cpp-connector.git separately
[06:20] <Joel_re> :)
[06:20] Action: Joel_re cant wait to rtty decode for the first time :p
[06:27] Action: Chetic too
[06:27] <Chetic> oh wait I've done that
[06:27] <Chetic> it was awesome
[06:28] <Chetic> why are you compiling it?
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[06:33] <fsphil> Joel_re: have you done "$ git submodule update --init"?
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[06:54] <ibnaezmatt13> morning
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[07:01] <ibnaezmatt13> morning
[07:04] <ibnaezmatt13> maths test this morning. Core 1
[07:04] <ibnaezmatt13> should be fine
[07:07] <ibnaezmatt13> right, off to college, see you :)
[07:08] <Joel_re> fsphil: no I didnt do that
[07:08] <Joel_re> googled jsoncpp.h and figured it was part of that repo
[07:09] <Joel_re> then saw the broken symlinks
[07:09] <Joel_re> but its done now
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[07:20] <Joel_re> hrm, now to struggle a bit with pulseadio
[07:22] <Joel_re> gqrx shows me the signal at 434.650
[07:22] <Joel_re> Mhz
[07:22] <Joel_re> but I cant seem to get dl-fldigi to see it
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[07:29] <Joel_re> Im a complete noob to radio
[07:30] <Joel_re> why is it that when I tune to the center of 434.636 Mhz frequency the hiss goes away?
[07:30] <x-f> what radio do you use?
[07:30] <fsphil> there is a center spike, that is similar to a silent FM station -- assuming you're in FM mode in gqrx
[07:30] <fsphil> well I guess it is also a silent AM station too
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[07:31] <Joel_re> x-f: Im using the sdr dongle with gqrx
[07:31] <fsphil> you can use a program called pavucontrol
[07:31] <Joel_re> I have the ntx2 module transmitting
[07:31] <Joel_re> fsphil: I am looking at that
[07:31] <fsphil> to tell pulseaudio which source dl-fldigi is recording
[07:31] <fsphil> you'd record the monitor of the sound card gqrx is outputting to
[07:31] <fsphil> sadly it can't connect programs directly to eachother yet
[07:31] <Joel_re> It says capture from Built in audio
[07:32] <fsphil> you need monitor of build-in audio then
[07:32] <Joel_re> the waterfall in fl-digi goes away when I tune to that center frequency in gqrx
[07:32] <Joel_re> or well its diminishes
[07:32] <fsphil> are you in USB mode on gqrx?
[07:32] <Joel_re> hmm, let me check
[07:33] <fsphil> sounds like FM again
[07:34] <Joel_re> The device selected is the RTL2838UHDI
[07:34] <Joel_re> I can confirm that stream Im seeing is the nxt2
[07:34] <Joel_re> in gqrx
[07:34] <Joel_re> oh "usb" mode in Reciever optins
[07:35] <x-f> yes
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[07:40] <Joel_re> its in usb mode now, but complete silence and diminished waterfall in dl-fldgi
[07:40] <Joel_re> fldigi*
[07:40] <x-f> a screenprint, please
[07:40] <Joel_re> sure
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[07:50] <Joel_re> x-f: http://i.imgur.com/XW2J5Wu.jpg?1
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[07:52] <x-f> Joel_re, tune to 435 MHz (get it in the center), for example, then click on the NTX's signal
[07:55] <x-f> your RTLSDR's tuner has a DC spike, that's why you need to listen away from it
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[07:56] <x-f> in dl-fldigi select USB from the dropdown below the frequency, and click on the SQL button (lower right corner) to disable it
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[07:58] <Joel_re> x-f: you mean tune away from the center frequency in gqrx/
[07:58] <Joel_re> I've disabled SQL in dl-fldigi
[07:59] <x-f> yes, 434.65 needs to be not in the center
[08:00] <Joel_re> done
[08:00] <Joel_re> although no yellow waterfall yet
[08:00] <x-f> is it better?
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[08:01] <fsphil> if dl-fldigi is recording from monitor, you may need to adust the output volume from gqrx
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[08:03] <Joel_re> am I supposed to hear anything in USB mode from my speakers?
[08:03] <fsphil> depends where you're tuned
[08:03] <fsphil> but at least some quite static
[08:04] <Joel_re> hrm, I got to get to work, will try again later
[08:04] <Joel_re> thanks guys
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[08:06] <Herman-PB0AHX> GM all
[08:09] <Herman-PB0AHX> wow the sky is empty
[08:10] <gonzo_> it's just full of rain here
[08:10] <gonzo_> no leo's
[08:10] <Herman-PB0AHX> there is only a little rain here from the air
[08:11] <daveake> where is it comng from then?
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[08:13] <Lunar_LanderU> morning
[08:13] <Herman-PB0AHX> morning
[08:14] <x-f> morning
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[08:18] <Lunar_LanderU> measuring campaign today
[08:18] <Lunar_LanderU> hope that it works
[08:18] Action: Lunar_LanderU puts on gloves
[08:18] <Lunar_LanderU> xD
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[08:56] Nick change: G0TDJ_AFK -> Steve_G0TDJ
[08:59] <Herman-PB0AHX> Lunar measurement is therefore very important to know
[08:59] <Lunar_LanderU> yea
[08:59] <Lunar_LanderU> Door meten tot weten, as Kamerlingh Onnes once said
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[09:00] <Herman-PB0AHX> but know how to measure more importantly
[09:01] <Lunar_LanderU> yeah
[09:01] <Lunar_LanderU> it's basically electron paramagnetic resonance with a stopped-flow sample injector
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[09:02] <Lunar_LanderU> which means, you inject two reactands from two syringes into the spectrometer where they are measured
[09:02] <Lunar_LanderU> this is done by an electric motor, which runs and stops while the spectrometer is recording, allowing to follow the reaction as it runs
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[09:21] <Maxell> craag: about Leo's shop: about to buy the "Ultra Precision Joystick Controller BU0836A" to fix an old custom steering wheel that was equipped with gameport
[09:22] LeoBodnar (5685d3d1@gateway/web/freenode/ip.86.133.211.209) joined #highaltitude.
[09:22] <LeoBodnar> morning
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[09:23] <Lunar_LanderU> morning champion of PICO ballooning
[09:24] <Maxell> LeoBodnar: Can I PM you about the BU0836A?
[09:25] <LeoBodnar> sure
[09:25] <LeoBodnar> Who said I am ? lol
[09:26] <Steve_G0TDJ> Well all do - Morning Leo :D
[09:26] <LeoBodnar> they are falling down, weather wins so far
[09:26] <Lunar_LanderU> :) well they are still great successes
[09:26] <Steve_G0TDJ> ping Upu UpuWork
[09:26] <Lunar_LanderU> please do more with superpressure measurements
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[09:28] <LeoBodnar> I need to calibrate sensors over wide range first to make sure they produce believable results
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[09:30] <Steve_G0TDJ> I love that on Tracker: 'No current flights (No Leo isn't flying wow!)'
[09:31] <fsphil> the isle of lying is telling the truth then
[09:32] <eroomde> for once
[09:33] <LeoBodnar> lol I am slightly embarrassed
[09:33] <LeoBodnar> Chines are hard to communicate with.
[09:34] <LeoBodnar> Chinese
[09:34] <eroomde> yep
[09:34] <Lunar_LanderU> oh man, internet ads get crazy
[09:34] <eroomde> i had to work in my gap year with a man called Mr Takenoshita
[09:34] <eroomde> we didn't give him any crap
[09:35] <LeoBodnar> Q: "Hello Agnes(?), I need a round balloon" A: "You want letter O, yes? How many quantity?"
[09:35] <Lunar_LanderU> just got one which promised 12% yield for buying a caoutchouc plantation
[09:36] <daveake> eroomde did he have his own cublicle?
[09:36] <daveake> -l
[09:36] <LeoBodnar> I want to see hieroglyphic character for "Agnes"
[09:36] <eroomde> don't think he needed one
[09:37] <Lunar_LanderU> LeoBodnar: I was astonished by Hwoyee that they did not only reply to customer requests but also posted the request e-mail + answer to the public on their website
[09:38] <LeoBodnar> They are quite a serious supplier I think
[09:38] <Lunar_LanderU> yeah
[09:38] <eroomde> unless you wants tens of balloons from them, you're wasting your and their time
[09:38] <Lunar_LanderU> yeah I figured
[09:39] <fsphil> steve handles it so we don't have to
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[09:40] <Lunar_LanderU> which is good :)
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[09:43] <mfa298> wow, that is a sight I've not seen in a long time, an empty tracker page (/me takes screenshot)
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[09:44] <eroomde> Steve_G0TDJ, you're launching about 3 miles from my house
[09:44] <Steve_G0TDJ> Hey cool :D Fancy visiting?
[09:44] <eroomde> and right by where one of daveake's payloads recently landed at boars hill
[09:44] <eroomde> if i'm free on sunday, i will definitely be there
[09:45] <Steve_G0TDJ> Great
[09:45] <Steve_G0TDJ> I could do with a little moral support
[09:45] <eroomde> it's 50/50 atm depending on whether my friend gets her act together
[09:45] <eroomde> lol
[09:45] <Steve_G0TDJ> OK No worries.
[09:45] <daveake> Yeah I'm expecting to be free too
[09:45] <Steve_G0TDJ> Great :D
[09:45] <eroomde> it's beautiful up there
[09:45] <Steve_G0TDJ> The more the merrier
[09:45] <eroomde> best view of oxford
[09:45] <Steve_G0TDJ> Will you be able to launch anything daveake ?
[09:46] <eroomde> http://upload.wikimedia.org/wikipedia/commons/8/82/Oxford_from_Boars_Hill.jpg
[09:46] <eroomde> might be my first ever balloon launch without coffee
[09:46] <Steve_G0TDJ> LOL
[09:47] <daveake> Steve_G0TDJ Well anything latex is going in the sea
[09:47] <daveake> or Belgium
[09:47] <eroomde> a thermos of black coffee and a camping stove for bacon butties are my most prized launch accessories
[09:47] <Steve_G0TDJ> Oh OK. No point in writing one off
[09:48] <Steve_G0TDJ> I've yet to do the predictions for my one but I don't mind if I don't recover
[09:48] <daveake> I'd still like to do a 100g floater but danger of needing a notam there
[09:48] <Steve_G0TDJ> Is it too late for that?
[09:48] <fsphil> yea I'd have launched one already if it wasn't for the might-be-greater-than-2m thing
[09:48] <Lunar_LanderU> by the way
[09:48] <Lunar_LanderU> floaters
[09:49] <Lunar_LanderU> didn't CUSF once try to make a polyethylene balloon?
[09:49] <daveake> Not sure - new site so more work for CAA
[09:49] <eroomde> Lunar_LanderU, we made some zero-pressure balloons, yes
[09:49] <Steve_G0TDJ> Worth a bash?
[09:49] <Lunar_LanderU> did you fly them or just a proof of concept?
[09:49] <Steve_G0TDJ> daveake: Mine will be inside 2m but I'd like the peace of mind
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[09:51] <eroomde> Lunar_LanderU, never flew them
[09:51] <eroomde> they were massive
[09:51] <Lunar_LanderU> ah ok
[09:51] <Lunar_LanderU> yeah
[09:51] <eroomde> the regulatory jazz seemed a bit harder
[09:51] <eroomde> we were all 19 though and greener
[09:52] <Lunar_LanderU> can imagine that
[09:52] <Lunar_LanderU> yeah
[09:52] <eroomde> http://www.youtube.com/watch?v=uK80MXHQ5hA
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[09:52] <eroomde> we mad ethat one by hand
[09:52] <eroomde> then build a machine to automate the seam welding and built some much bigger ones
[09:53] <Lunar_LanderU> cool
[09:53] <Lunar_LanderU> fibreglass load bands like on the Winzen type ones?
[09:53] <eroomde> UDMH
[09:53] <eroomde> er no
[09:53] <eroomde> that's a rocket fuel we use
[09:53] <Lunar_LanderU> yea :)
[09:54] <Lunar_LanderU> brb
[09:54] <eroomde> UHMWP
[09:54] <eroomde> ultra high molecular weight polyethylene
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[09:58] <Maxell> eroomde: woot, rocket science
[09:59] <eroomde> it's where it's at
[09:59] <eroomde> whatever it is
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[10:01] <ibanezmatt13> morning
[10:01] <ibanezmatt13> Hey UpuWork you got that address?
[10:02] <UpuWork> chill Desmon
[10:02] <UpuWork> d
[10:02] <ibanezmatt13> lol
[10:03] <DL1SGP> morning ibanezmatt13, UpuWork, eroomde, Maxell, Lunar_LanderU
[10:03] <ibanezmatt13> morning :
[10:03] <ibanezmatt13> :)
[10:03] <UpuWork> pow pow multi morning
[10:03] <daveake> morning.broadcast
[10:04] <Maxell> hello DL1SGP :P
[10:04] <ibanezmatt13> daveake, you have a link on here: http://www.norb.co.uk
[10:04] <daveake> cheers, I saw that :)
[10:04] <DL1SGP> morning daveake
[10:04] <x-f> hi, DL1SGP :P
[10:04] <DL1SGP> hi X
[10:05] <ibanezmatt13> :)
[10:05] <daveake> DL1SGP no need to welcome everyone individually!
[10:05] <LeoBodnar> morning *
[10:06] <daveake> :)
[10:06] <DL1SGP> Good Morning Leo "MrFloat" Bodnar
[10:07] <Steve_G0TDJ> eroomde: daveake Any idea what the ground level is at Youlbury? Sorting my flight docs
[10:07] <daveake> no idea
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[10:07] <daveake> but google will tell you
[10:08] <Steve_G0TDJ> Ah! Good idea
[10:08] <daveake> ^^ that one
[10:08] <Steve_G0TDJ> Cheers
[10:08] <eroomde> try 150m
[10:09] <eroomde> 130
[10:09] <eroomde> just looked it up
[10:09] <Steve_G0TDJ> 166.079
[10:11] <daveake> remarkably precise
[10:12] <Steve_G0TDJ> From that site
[10:12] <Steve_G0TDJ> brb
[10:13] <Hix> UHMWP that stuff is ace!
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[10:19] <craag> THere's an API to get altitude for lat/lon in JSON. It gives the accuracy, often +-100m!
[10:20] <mfa298> unless you know how it's determined that level of prescision I'm not sure I'd trust it to be that accurate
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[10:21] <craag> I'm reckoning it's probably interpolated from the NOAA worldwide stuff, which tends to be pretty good on general altitude, just hasn't got the resolution for smaller features.
[10:22] <craag> Not sure what having the altitude in the Launch Site Doc gives you anyway
[10:22] <craag> Apart from pointing habrotate correctly :P
[10:26] <daveake> :)
[10:26] <daveake> Landing is different, as in "is it in a tree?"
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[10:36] <Maxell> Yeah I had some funky stuff with ground altitude checkers online.
[10:36] <Maxell> apprently I live next to a 250 meter high cliff
[10:37] <daveake> Does he sing "We're all going on a summer holiday"?
[10:37] <eroomde> google maps terrain has isobars
[10:37] <daveake> That would be annoying
[10:37] <eroomde> s'all you need
[10:38] <SpeedEvil> eroomde: I think you mean contours
[10:38] <eroomde> yes that one
[10:39] <SpeedEvil> Maxell: Tehre are very limited data sources for global topology maps
[10:39] <Maxell> yeah
[10:39] <SpeedEvil> And they all have data issues.
[10:39] <SpeedEvil> SRTM is probably the best free one
[10:39] <Maxell> These sites should be more clear about it.
[10:39] <eroomde> SRTM is great
[10:39] <eroomde> i had a play a few months ago
[10:40] <Maxell> Have you tried turning it off and on again? http://imgur.com/gallery/m3QeG
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[10:45] <fsphil> I'm not sure AVG Free is going to be enough
[10:45] <Steve_G0TDJ> That's one bugged machine
[10:46] <Hix> maps.bing.co.uk give you OS level visibility, you can get a pretty accurate height from that, failing that I have MemoryMap so I can get a reasonable alt for whoever needs it given a ref or lat lon
[10:47] <mfa298> I think you can see bit's of the OS maps online somewhere for free
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[10:49] <Steve_G0TDJ> No one told me about the rather large antenna mast on the site!
[10:49] <Hix> http://www.getamap.ordnancesurveyleisure.co.uk/ but you'll need silverlight
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[10:50] <Hix> OS has Hurst Hill trig point at 159m
[10:51] <Hix> ahh it was Boars Hill
[10:52] <SpeedEvil> eroomde: It'd be great if they'd release the global 30m imagery
[10:52] <Hix> 161m for Jarn Mound on Boars Hill
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[10:53] <LazyLeopard> Large antenna at proposed launch site?
[10:56] <Hix> @ SP 486 022 ? Antenna?
[11:02] <Steve_G0TDJ> There's two antenna towers....
[11:03] <[2]Geoff-G8DHE-M> Casn't see any myself what lat long do you get if you right click and drop a lat/long marker on them ?
[11:03] <nats`> hi
[11:05] <Steve_G0TDJ> I've closed the window now. Have a look on Bing Maps birds eye view
[11:06] <Steve_G0TDJ> 51.724227, -1.301292 Youlbury Scout Center
[11:07] <[2]Geoff-G8DHE-M> Ah right I was looking at the hill itself
[11:07] <ed__> what's the predicted path?
[11:07] <Steve_G0TDJ> Towards Cambridge at the mo
[11:08] <ed__> sounds pretty decent
[11:08] <Steve_G0TDJ> Yeah - Just keeping my fingers crossed for weather
[11:09] <Steve_G0TDJ> Still yet to build the final payload but I have several clear days after today
[11:10] <[2]Geoff-G8DHE-M> Hopefully nothing Tx close to 70cms from those masts!
[11:10] <Steve_G0TDJ> Yeah!
[11:11] <Steve_G0TDJ> The Scout master neglected to tell me about those
[11:11] <Steve_G0TDJ> Oh well, It will be fun anyway.
[11:12] <Steve_G0TDJ> Time to sort some Lunch out - BBL
[11:13] Nick change: Steve_G0TDJ -> Steve_G0TDJ_Lunc
[11:13] Nick change: Steve_G0TDJ_Lunc -> Steve_G0TDJ_eats
[11:14] <mfa298> if it's Jota/Joti they'll probably have various antennas up potentially including 2m / 70cms (although hopefully if there's a 70cms station you can persaude them to track the balloon instead)
[11:14] <Steve_G0TDJ_eats> That was the idea mfa298
[11:15] <craag> Pi now streaming over 3G very happily :D
[11:15] <craag> Just need the RTTY tracker to work now and then everything extra is a bonus
[11:17] Nick change: KipK_away -> KipK
[11:19] <mfa298> craag: sounds like good progress
[11:19] <ibanezmatt13> Anybody know how to get code in some sort of box like on here: http://ukhas.org.uk/guides:linkingarduinotontx2
[11:20] <ibanezmatt13> If I just paste it onto the page it'll look naf
[11:20] <adamgreig> try editing the source on that page to see how it's done ibanezmatt13
[11:20] <mfa298> that might depend on how the cms software works, it might have some markup for code (which is what the ukhas wiki does)
[11:20] <ibanezmatt13> ok
[11:20] <adamgreig> oh, for your own page?
[11:20] <adamgreig> the stuff on ukhas.org.uk is just for that wiki software, for simple cms you'll probably want a syntax highlighting plugin or it might come with it
[11:21] <ibanezmatt13> yeah
[11:21] <adamgreig> else just use <pre> tags in html to at least make it look like code
[11:21] <craag> mfa298: It is :). Three internet looks like it might be ok at the site too.
[11:21] <ibanezmatt13> <pre> code goes here </pre> ?
[11:21] <mfa298> wow, a launch site with good internet! shame it's such a trek
[11:22] <craag> mfa298: Still probably better internet/trek than the SHARP site!
[11:22] <craag> *internet-per-trek
[11:23] <mfa298> <pre> in html is for pre-formatted text, so the code should look good - but you probably won't get syntax highlighting
[11:25] <ibanezmatt13> it didn't work, doesn't matter. I was just experimenting
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[11:27] <[2]Geoff-G8DHE-M> http://www.w3schools.com/tags/tag_code.asp
[11:28] <ibanezmatt13> I'll try it
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[11:29] <ibanezmatt13> didn't work [2]Geoff-G8DHE-M
[11:30] <[2]Geoff-G8DHE-M> Is your CMS replacing the actual tags I wonder ? I always prefer to write my code direct then let others code get at it!
[11:30] <ibanezmatt13> possibly
[11:31] <ibanezmatt13> I'll just keep it all on Github with links
[11:31] <adamgreig> use gists and embed it
[11:31] <[2]Geoff-G8DHE-M> The other option is just put it in a TextArea block
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[11:33] <adamgreig> ibanezmatt13: http://get-simple.info/wiki/how_to:editor_configuration_syntaxhighlight
[11:33] <adamgreig> but maybe just a gist and embedding would be easier
[11:33] <ibanezmatt13> thanks
[11:33] <ibanezmatt13> yeah, I have a gist but not sure how to embed
[11:34] <adamgreig> they have like, embed links or code or soemthing right on the gist page
[11:34] <ibanezmatt13> ok, I thin that page you sent me is worth a try t
[11:34] <ibanezmatt13> o
[11:36] <ibanezmatt13> eroomde: http://pastebin.com/ANKBs3hb
[11:36] <ibanezmatt13> dam
[11:37] <ibanezmatt13> well that's that out of the window then
[11:37] <mfa298> ibanezmatt13: well at least you asked. It's always good to show you're keen
[11:38] <ibanezmatt13> yeah, but would have had more of a chance of getting in
[11:38] <ibanezmatt13> nevermind
[11:38] <adamgreig> not sure it really makes any difference to your chances of getting in
[11:39] <ibanezmatt13> probably not, but its something I wanted to do
[11:39] <adamgreig> mm, it still sucks
[11:40] Nick change: KipK -> KipK_away
[11:41] Nick change: Steve_G0TDJ_eats -> Steve_G0TDJ
[11:41] <ibanezmatt13> there are many people who get full marks in all their GCSEs and can't tie their own shoe laces
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[11:55] <mfa298> ibanezmatt13: this might be what you were after http://get-simple.info/wiki/wiki:syntax#code_blocks
[11:56] <ibanezmatt13> just looking at it, I think I'll just leave it on Github tbh
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[11:57] <mfa298> for big bits of code github makes more sense.
[11:57] <mfa298> I'd probably only ever put small snippets of code in a blog post
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[12:16] <tweetBot> @NORB_HAB: Check out NORB's new logo and website at http://t.co/pockoCKDNi! #ukhas #HAB #NORB
[12:16] <ibanezmatt13> oops
[12:17] <daveake> oops
[12:17] <ibanezmatt13> take 2, without the !...
[12:17] <tweetBot> @NORB_HAB: Check out NORB's new logo and website at http://t.co/pockoCKDNi #ukhas #HAB #NORB
[12:17] <daveake> "space-pioneering" .... :/
[12:18] <ibanezmatt13> NORB'll be in space before you know it :P
[12:19] <daveake> not sure about the "pioneer" bit either :/ ...
[12:20] <daveake> Real space is full of human junk since the 50's
[12:20] <daveake> So use HABbers are a>) late and B0 not in space either
[12:20] <ibanezmatt13> hmm
[12:20] <ibanezmatt13> I'll have a think
[12:24] <ibanezmatt13> lol, I only have 5 followers on twitter
[12:24] <daveake> meh, matters not
[12:25] <mfa298> looking on the habduino site it looks like you can make your tweets appear on your site
[12:26] <mfa298> if you can keep putting interesting posts up we might have to introduce you to the likes of google analytics - although that can be disappointing before your site becomes popular.
[12:26] <daveake> I do that on my site (wp blog)
[12:26] <fsphil> we only litter forests and oceans, not space
[12:26] <daveake> can't remember how but it wasn't hard
[12:28] <ibanezmatt13> that's why I'm doing it mfa298
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[12:29] <mfa298> google webmaster tools can also be interesting after a while as it shows what google searches people do to find your site and how often they go to your site from a search
[12:31] <ibanezmatt13> how do you get your site to show in Google?
[12:31] <mfa298> i think it's partly a case of waiting for google to find it. Although I think there's somewhere you can tell google about it.
[12:32] <mfa298> the webmaster tools might do that for you as well now
[12:32] <mfa298> https://www.google.com/webmasters/
[12:32] <mfa298> http://www.google.co.uk/submit_content.html
[12:32] <ibanezmatt13> thanks
[12:33] <eroomde> ibanezmatt13, bah
[12:33] <eroomde> you just want more resistor cubes
[12:33] <ibanezmatt13> yeah right :)
[12:33] <ibanezmatt13> 1 was plenty :P
[12:33] <mfa298> all google analytics and webmaster tools tell me is I need to write more interesting content so people get useful search results
[12:34] <ibanezmatt13> eroomde, that exercise was the reason I did will in the maths today :)
[12:35] <eroomde> i reckon some of the first year exam mechanics papers might have some questions you could have a go at
[12:35] <adamgreig> what you really want is the pre-first-year prep questions
[12:35] <eroomde> yes
[12:35] <adamgreig> whole booklet of questions in electronics, mechanics and structures
[12:35] <eroomde> infact you probably have access to them adamgreig
[12:35] <adamgreig> I was wondering that
[12:35] <adamgreig> not sure I have direct access though
[12:35] <eroomde> as a potential supervisor
[12:35] <adamgreig> indeed
[12:35] <adamgreig> but I'm not actually a supervisor (yet)
[12:35] <eroomde> probabl;y just hiding behind a raven thing somewhere
[12:35] <adamgreig> perhaps
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[12:36] <adamgreig> oh gross
[12:36] <adamgreig> they have redone the teaching office website
[12:36] <adamgreig> it's now using Drupal (?!?!?!)
[12:36] <adamgreig> and is slooooooow
[12:36] <adamgreig> http://teaching.eng.cam.ac.uk/content/preparatory-problems
[12:37] <adamgreig> however
[12:37] <adamgreig> no joy
[12:37] <eroomde> i am not logged in
[12:37] <adamgreig> well if you arelogged in it gives you a different link using http basic auth that requires some specific username nad password
[12:38] Action: mfa298 is glad other places trying to use drupal are also slow.
[12:38] <adamgreig> why would you use druapl
[12:38] <eroomde> suspect your dos might have access
[12:38] <adamgreig> like it's as good as php frameworks come
[12:38] <adamgreig> but
[12:38] <eroomde> if he's ammenable to such things
[12:39] <adamgreig> php
[12:39] <adamgreig> don't have a dos any more
[12:39] <mfa298> I wanted to try using something like that rather than doing it all from scratch.
[12:39] <eroomde> maybe do Step mechanics
[12:40] <eroomde> or just Step, iirc there were just 3 Step papers
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[12:43] <eroomde> adamgreig, from a pdf i just found
[12:43] <eroomde> The complete preparatory problems document, together with supporting material is available on the web at: http://www-t.eng.cam.ac.uk/prep_problems, username = prep, password = problems
[12:44] <eroomde> try tha ^
[12:44] <adamgreig> haha oh yes
[12:44] <eroomde> from http://webcache.googleusercontent.com/search?q=cache:iUNHwnqPBKEJ:www.eng.cam.ac.uk/teaching/briefing/BN-Easter_DoS.pdf+&cd=1&hl=en&ct=clnk&gl=uk&client=ubuntu
[12:44] <adamgreig> I remember using that username and password back in the day
[12:44] <adamgreig> wow this has definitely been updated since 09
[12:45] <adamgreig> does that link not work for you?
[12:45] <eroomde> if you wouldn't mind plonking it on a server, i'd be interested in taking a look
[12:45] <adamgreig> I assume it doesn't require raven since it's for new people
[12:45] <eroomde> oh
[12:45] <eroomde> misunderstood
[12:45] <eroomde> oh yes
[12:46] <eroomde> ibanezmatt13, there you go
[12:46] <eroomde> http://teaching.eng.cam.ac.uk/content/preparatory-problems
[12:46] <eroomde> username = prep
[12:46] <eroomde> password = problems
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[12:46] <eroomde> download the pdf booklet after signing in
[12:46] <ibanezmatt13> thanks, will do now :)
[12:47] <eroomde> you might not be able to tackle the maths yet
[12:47] <eroomde> unless you know about complex numbers and matrices
[12:47] <eroomde> but the mechanics is probably more doable
[12:47] <ibanezmatt13> not covered that yet, but I'll get it anyway
[12:48] <ibanezmatt13> sign in with Raven or alternative eroomde
[12:48] <ibanezmatt13> ?
[12:48] <eroomde> just clink on the pdf
[12:48] <ibanezmatt13> ok
[12:48] <eroomde> er, the link
[12:48] <eroomde> not the pdf
[12:48] <ibanezmatt13> lol
[12:49] <ibanezmatt13> ok, logged in
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[12:49] <ibanezmatt13> preparatory problems booklet eroomde?
[12:49] <ibanezmatt13> shall I download all three
[12:50] <eroomde> all three are the top link
[12:50] <ibanezmatt13> oh cool, thanks
[12:50] <eroomde> as i say, wouldn't panic about the maths section jest yet as you're barely at half term in your first year of AS
[12:50] <eroomde> but i think you could have a decent stab at the mechaincs
[12:51] <adamgreig> and probably some of the electronics too
[12:51] <ibanezmatt13> ok, thanks for the link
[12:51] <eroomde> i remember the balls on strings
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[12:51] <eroomde> about 8 years ago now!
[12:52] <eroomde> and the man falling off the rock face
[12:52] <eroomde> memories
[12:52] <adamgreig> haha
[12:52] <adamgreig> I remember frantically doing all these the night before each relevant supervision
[12:52] <adamgreig> so muchfor holiday work
[12:52] <eroomde> same
[12:53] <eroomde> and Prf Soga being happily oblivious
[12:53] <adamgreig> set the tone for my entire degree really
[12:55] Action: jonsowman whistles
[12:55] <adamgreig> haha
[12:55] <adamgreig> like you did these early either
[12:55] <jonsowman> lol
[12:55] <jonsowman> fair
[12:55] <adamgreig> pretty sure those memories of frantically doing these problems just before the supervision feature you too
[12:56] <jonsowman> yes indeed
[12:56] <adamgreig> right, got matplotlib and ipython notebook all latest versions. maybe that means I'm ready to work
[12:56] <adamgreig> shame I still have to read about a million papers before I have a clue what's going on
[12:57] <eroomde> that's the story for the next year in't it?
[12:57] <eroomde> got a workflow all sorted?
[12:57] <adamgreig> well there are only like four or five papers in this entire topic
[12:57] <adamgreig> "workflow"
[12:57] <adamgreig> I wish. any suggestions? :P
[12:57] <eroomde> write a blog post on your workflow
[12:57] <adamgreig> I have a daily schedule all sorted. but it doesn't feature any time spent working
[12:58] <eroomde> notebook is going to be so nice
[12:58] <adamgreig> yea
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[12:58] <adamgreig> gonna do my whole phd in it
[12:58] <jonsowman> get coffee -> have nap -> read reddit -> do half an hour of work and head home
[12:58] <eroomde> you can have tex and code all together
[12:58] <adamgreig> and avoid all the matlab ever
[12:58] <eroomde> gonna make it so much easier to pull it all together in papaers anda thesis
[12:58] <adamgreig> I hope so!
[12:58] <adamgreig> plus if anyone gets mean I can run octave inside ipynb
[12:58] <adamgreig> but this field is so nascent I think I'll be ok
[12:58] <adamgreig> it's not like there exist any matlab libs for it yet
[12:59] <eroomde> dictate to that bitch of a field just how it's gonna be round here
[12:59] <jonsowman> lol
[12:59] <adamgreig> gonna show it good
[13:00] <adamgreig> atm enjoying my new headphones
[13:00] <adamgreig> in the super quiet lab, comfy headphones quickly became a must
[13:00] <adamgreig> hmmm
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[13:05] <ibanezmatt13> off to college again, see you later :)
[13:05] <fsphil> http://predict.habhub.org/#!/uuid=888a8f8cdf21128e72ba977575f7bd0b88632c9d
[13:05] <fsphil> it's like it's trying to find as much water as it can :)
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[13:08] <adamgreig> hey eroomde have you ever tried drawing like block diagrams or other diagrams in python stuff?
[13:08] <adamgreig> be nice if that could plug into ipynb but I can't think of any obvious ways
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[13:13] <tweetBot> @Project_HAB: Weather is touch and go for Sunday's launch of VAYU-1 - Stay tuned for updates #JOTA #HAB #hamr #ukhas
[13:15] <eroomde> adamgreig, no
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[13:15] <eroomde> and yes i agree it would be nice
[13:15] <eroomde> if there was some tikz plugin or something
[13:17] <LazyLeopard> fsphil: A few minor kinks and it could find a bit more, but it's doing pretty well...
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[13:19] <eroomde> adamgreig, there's definitely a gap for a gui flow diagram assembler that generates the appropriate TiKz
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[13:20] <adamgreig> yea. though ugh tikz
[13:20] <adamgreig> would rather just use inkscape for most things :P
[13:20] <adamgreig> looked into it for my MEng
[13:20] <adamgreig> inkscape won very quickly
[13:21] <eroomde> yeah indeed
[13:21] <eroomde> when time isn't on yuor side
[13:21] <adamgreig> inkscape less great for 2d projections of inherently 3d figures
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[13:26] <eroomde> i've never really grokked inkscape
[13:26] <eroomde> i should
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[13:33] <henryplumb> hey all
[13:41] <SpeedEvil> eroomde: /me is trying to learn blender.
[13:41] <SpeedEvil> I'm not quite sure if I'm insane or they are.
[13:42] <SpeedEvil> I suspect whatever that in another week or so our sanities will match.
[13:42] <nats`> 2 days FIR filter debugging because I forgot the last differentiator stage -_-
[13:42] <nats`> SpeedEvil don't worry they are
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[13:43] <fsphil> most 3D programs seem quite insane
[13:43] <SpeedEvil> fsphil: yeah.
[13:43] <nats`> 3DSMax is pretty easy :)
[13:43] <nats`> at least when I used it
[13:43] <nats`> some yeas ago
[13:43] <nats`> years
[13:43] <SpeedEvil> fsphil: But I'm sort of pondering 'should I just try to do this in kpovraymodeler.
[13:44] <nats`> Blender is to 3DSMax what the gimp is to photoshop :D
[13:44] <SpeedEvil> And at some times, it seems vi + povray may be easier.
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[13:45] <nats`> SpeedEvil you can "easily" do complex shape in povray modeler ?
[13:45] <nats`> I mean like organic form without any easy geometric shape
[13:45] <SpeedEvil> You mean can you?
[13:46] <nats`> yep can you
[13:46] <SpeedEvil> Or was that meant to be a full stop at the end.
[13:46] <nats`> sorry
[13:46] <SpeedEvil> http://www.mauve.plus.com/test.png
[13:46] <nats`> litteral translation of french without the voice intonation
[13:46] <SpeedEvil> Is something I did in it.
[13:46] <SpeedEvil> - a VTOL UAV
[13:47] <SpeedEvil> Aimed at getting to 3km or so altitude vertically, taking a gigapixel pan, and landing.
[13:47] <nats`> and you define basic shape and merge between them ?
[13:47] <nats`> woooww nice project
[13:47] <nats`> already flight ?
[13:48] <SpeedEvil> From memory, that was an elipse, with a cylinder subtracted from it, with four more elipses, and the bottom cut off - then smoothed into one object
[13:48] <SpeedEvil> Alas no
[13:48] <SpeedEvil> :/
[13:48] <SpeedEvil> I've got most of the bits.
[13:49] <nats`> what was the problem ?
[13:49] <SpeedEvil> But both am having problems finding the time, and the legislation changed soon after making it go from 'arguably legal' to 'not legal'
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[13:49] <nats`> oky
[13:49] <nats`> in wich country do you live ?
[13:49] <nats`> that sad to not go at the end of this project
[13:49] <nats`> that's pretty cool and maybe with autorisation you could do it
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[13:55] <eroomde> SpeedEvil, go for soliworks
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[13:57] <SpeedEvil> eroomde: I'm trying to avoid wares.
[13:57] <Laurenceb_> FreeCAD
[13:57] <Laurenceb_> its the most usable CAD tool I've tried
[13:58] <Laurenceb_> blender is indeed insane
[13:58] <SpeedEvil> It's hard to admit 'I can't learn this'
[13:58] <SpeedEvil> When you find tutorials from 10 year olds.
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[13:59] <Laurenceb_> i gave up after a few hours
[13:59] <SpeedEvil> As a zeroth step - they need a 'beginner mode'
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[14:00] <SpeedEvil> With several task-based toggles.
[14:00] <adamgreig> FreeCAD / qcad is super great
[14:00] <SpeedEvil> That sets the windows up in a sane state, and hides 99% of the tols.
[14:00] <adamgreig> blender is... very hard to learn
[14:00] <adamgreig> it can do amazing things
[14:00] <adamgreig> definitely a capable tool
[14:00] <adamgreig> and if you're keen on writing code for 3d graphics stuff it's super great, I'm told
[14:00] <Laurenceb_> http://i.imgur.com/nuSWlYG.jpg
[14:00] <adamgreig> wonderful for playing with your rendering or ray tracing stuff
[14:00] <Laurenceb_> first thing i made in freecad :P
[14:01] <adamgreig> oh what
[14:01] <adamgreig> 3d?
[14:01] <Laurenceb_> yes
[14:01] <adamgreig> oh I'm thinking of librecad
[14:01] <adamgreig> lol
[14:01] <adamgreig> not the same thing at all
[14:01] <Laurenceb_> http://www.freecadweb.org/ <- this
[14:01] <SpeedEvil> I want to make - for example - a 3D model of a shed - with dimensioned wood and joints.
[14:01] <Laurenceb_> also: http://yorik.uncreated.net/guestblog.php?tag=freecad&complete=3
[14:02] <Laurenceb_> ^epicness
[14:02] <SpeedEvil> Laurenceb_: The stable version - or did you go with something more recent than 2010
[14:02] <Laurenceb_> I have freecad 0.13 installed
[14:03] <Laurenceb_> aiui most recent release
[14:07] <Laurenceb_> it includes most of that Yorik stuff
[14:08] <Laurenceb_> but not the spreadsheet lol :P
[14:08] <Laurenceb_> i was having difficulties with creating assemblies, but it might be as im a n00b
[14:09] <nats`> adamgreig it's a good tool for 3D animation because it was the neo geo game design software IIRC
[14:09] <nats`> so it's clearly oriented to be higly scriptable
[14:10] <eroomde> Laurenceb, FreeCAD totally sucked balls compared to proprietary mechanical cad, when i tried it recently
[14:10] <eroomde> it's just depressing
[14:10] <eroomde> the only reason windows is not 100% dead to me
[14:10] <Laurenceb_> heh
[14:10] <Laurenceb_> which version of FreeCAD?
[14:11] <Laurenceb_> i tired 0.12 or something and it sucked
[14:11] <adamgreig> shame solidworks doesn't run on linux really
[14:11] <Laurenceb_> seems to be developing well
[14:11] <adamgreig> it's so excellent
[14:11] <Laurenceb_> but I'm hardly doing _really_ pro stuff
[14:12] <Laurenceb_> just some simple flexipcb assemblies
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[14:14] <nats`> adamgreig they announced a linux portage some years ago don't know the progress of that
[14:14] <eroomde> oh really?
[14:14] <eroomde> that would be amazing
[14:15] <eroomde> seems unlikely though
[14:15] Action: SpeedEvil remembers CorelDraw in java
[14:15] Action: nats` pukes
[14:16] <DL1SGP> heh
[14:17] <DL7AD> DL1SGP: huh
[14:17] <nats`> eroomde did you try solidworks with wine ?
[14:17] <nats`> some report it to work ok
[14:17] <DL1SGP> moin sven
[14:17] <eroomde> nats`, 'gargbage'
[14:17] <nats`> http://appdb.winehq.org/objectManager.php?sClass=application&iId=318
[14:17] <nats`> 2010 gold
[14:17] <eroomde> need the most recent one
[14:18] <DL7AD> DL1SGP: jo moin
[14:18] <eroomde> the files are not fw/bw compatibke
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[14:19] Nick change: gedas -> jedas
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[14:20] <nats`> uhhmmm guess you are binded to windows like me with Mentor Graphic :D
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[14:21] <nats`> ohhhh simens NX the catia challenger is natively under linux
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[14:40] <PabloX> hi, does anyone know when we start Vayu-1 :)?
[14:42] <x-f> PabloX, on Sunday around 12:30+
[14:42] <PabloX> x-f - tnc GL!
[14:42] <PabloX> tnx ..
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[14:47] <eroomde> beautiful clear skies here now
[14:47] <eroomde> it was very very heavy almost horizontal rain for most of the morning
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[14:51] <Herman-PB0AHX> hoi Jan
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[14:59] <WillTablet> OK, got my strip of 40 headers. How should I get 5 off of it? Should I try snapping it?
[15:00] <eroomde> yes, though bear in mind one can end up being sacrifced that way
[15:00] <fsphil> pair of snippers usually does the trick
[15:00] <fsphil> protect your eyes
[15:00] <eroomde> if you have a very pair of side cutters, i find it can help to take a couple of nibbles away from top and bottom first to help weakon the bit of plastic in the middle
[15:00] <eroomde> very fine pair*
[15:00] <fsphil> one part often goes flying at high speed
[15:00] <fsphil> unless you hold on to both sides
[15:01] <eroomde> coarse pairs often (for me_ also take with them a pin
[15:01] <adamgreig> male or female headers?
[15:02] <WillTablet> Ah well, who cares if I die from header-related injuries? It would be a cool way to die, but suicide is probably better :-)
[15:03] <fsphil> two eyes are better than one
[15:07] <fsphil> hehe, misco offer a "windows 8 downgrade" option
[15:08] <nats`> anybody witha good USB protocole knowledge ?
[15:08] <nats`> I don't understand what class I should take to transmit really highspeed data
[15:09] <nats`> I mean here 10MBits/s
[15:09] <adamgreig> probably bulk. but what kinda latency requirements do you have?
[15:09] <adamgreig> 10MBit/s isn't so high speed ;)
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[15:11] <nats`> it's for the slow uC behind ideally it should loop only on data to stream them
[15:11] <nats`> I don't have any latency requirement at the moment
[15:11] <nats`> it's for a test of adc sampling
[15:11] <nats`> I want to trace the data with scilab to have an idea of what I'm doing :)
[15:13] <adamgreig> maybe just do a high speed usb cdc serial port
[15:13] <adamgreig> it will be easier
[15:13] <nats`> there is no upper limit to the speed of CDC class ?
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[15:14] <nats`> I'm lost in that usb protocol crap
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[15:16] <LeoBodnar> CDC class is the biggest screwup ever existed in USB land
[15:16] <nats`> that's what I guess
[15:16] <nats`> "standard os drier" but no standard os driver
[15:17] <LeoBodnar> look at the libusb library
[15:17] <LeoBodnar> Windows started to include WinUSB driver that allows you to create custom bulk USB devices w/o need of custom driver
[15:18] <LeoBodnar> What is your bus speed? FS or HS?
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[15:19] <nats`> 12Mbits
[15:19] <LeoBodnar> *correct spelling at will
[15:19] <nats`> so FS IIRC
[15:19] <LeoBodnar> There is now way you are going to have 10Mbps
[15:19] <nats`> I should have expected that
[15:19] <nats`> but nobody expects spanish inquisition :|
[15:20] <nats`> last solution finding a board with a cypress FX2 on it
[15:20] <LeoBodnar> 500-800kbytes/sec is realistic on empty bus
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[15:21] <nats`> only !
[15:21] <fsphil> would one of those usb fifo ICs help?
[15:21] <nats`> fsphil like thos nxp ring buffer for USB ?
[15:21] <nats`> could be but painfull to use I tried long time ago on a fpga
[15:21] <nats`> I think I should go for over boosted 8051 like FX2
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[15:23] <nats`> or I could maybe hack an ethernet port
[15:23] <eroomde> things like the FT232H promise some pretty high transfer rates
[15:23] <nats`> with a basic mac sending udp is not too painfull
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[15:23] <eroomde> they have a bunch of interfaces depending on the exact chip
[15:23] <eroomde> and a relatively well documented ftdi.h for the pc end
[15:23] <eroomde> tens of megabits on HiSpeed usb is quite doable
[15:24] <eroomde> did it for a gps sampling chip
[15:24] <nats`> I'll take a look
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[15:24] <nats`> in last solution I'll go with the xilinx jtag probe and utility to fetch debugging data
[15:24] <eroomde> and i never actually had to touch the USB protocol
[15:24] <eroomde> which was nice
[15:24] <LeoBodnar> Maximum theoretical bus bandwidth for FS in bulk transfer mode is 1216000 bytes/sec
[15:24] <LeoBodnar> It is not achievable
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[15:25] <nats`> yep but ft232H seems to be HS
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[15:25] <LeoBodnar> Yeah, HS is fine
[15:25] <eroomde> oh are you constrained to FS?
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[15:26] <LeoBodnar> For HS needs I use SAM3U
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[15:26] <nats`> eroomde easy solution yes is with FS
[15:26] <nats`> but since I have an fpga I can always link other transceiver on it
[15:27] <LeoBodnar> One of the arduinos had SAM3X with HS USB
[15:27] <eroomde> if you have an fpga, go mad with a cypress usb chip and fpgalink
[15:27] <nats`> LeoBodnar I have some board with SAM3 didn't know they do HS usb
[15:27] <eroomde> http://www.makestuff.eu/wordpress/software/fpgalink/
[15:27] <LeoBodnar> It was a commercial flop nevertheless
[15:27] <eroomde> i have used and like this ^
[15:27] <henryplumb> Can I put temperature data in my telemetry strings?
[15:27] <eroomde> henryplumb, yes
[15:27] <eroomde> put whatever you like in
[15:27] <LeoBodnar> SAM3U and SAM3X are HS USB
[15:27] <henryplumb> If others decode it, will they know what it is?
[15:28] <nats`> thanks eroomde and LeoBodnar :)
[15:28] <nats`> I'll try with a ftdi or with the jtag xilinx probe
[15:28] <eroomde> henryplumb, yep, via the web interface
[15:28] <nats`> I don't have cypress on hand now
[15:29] <henryplumb> How do i add a balloon for people to track before i launch it?
[15:29] <eroomde> http://habitat.habhub.org/genpayload/
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[15:30] <henryplumb> Cheers for that eroomde
[15:30] <eroomde> np
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[15:38] <nats`> uhhmm searching for mathlab (typpo: matlab) and google suggesting methlab
[15:38] <nats`> ....
[15:38] <nats`> Not sure I should stay where I live
[15:38] <Laurenceb_> ive always used existing protocols
[15:38] <Laurenceb_> life is too short to write custom USB crap
[15:39] <eroomde> i was asking about precision scales on a chemistry channel a few weeks ago
[15:39] <eroomde> mg accuracy up to a few grams
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[15:39] <eroomde> everyone told me to f-off because they don't talk to drug dealers
[15:39] <Laurenceb_> haha
[15:39] <nats`> :D
[15:40] <nats`> you should have heard what a chemistry manufacturer answered me
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[15:40] <nats`> I asked for HNO3 on the phone
[15:40] <nats`> ...
[15:40] <nats`> apparently the only use of that is to do explosiv :D
[15:41] <eroomde> i'm sure my search industry must make me look like maniac
[15:41] <LeoBodnar> I have tried to buy aluminised Mylar foil on eBay. It advertised as coming in "discrete brown bag packaging" - for all your growing needs.
[15:41] <eroomde> search history*
[15:41] <nats`> you must be like me with a giant poster 3mx4m in the intelligence agency of your country :p
[15:42] <daveake> eroomde Try Sartorius they make lots of lab scales like that
[15:42] <nats`> LeoBodnar is weed growing in balloon ? :D
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[15:43] <eroomde> thanks daveake
[15:43] <eroomde> i'm getting quite interested in chemsitry again
[15:43] <eroomde> one day i will have a combined electronics and chemistry lab
[15:43] <eroomde> with a grand piano and a good view
[15:43] <eroomde> it will be my cave
[15:44] <nats`> eroomde the balcony is cool to annoy your neighboor :p
[15:44] <nats`> they don't like when I use sulfuric acid
[15:44] <nats`> :p
[15:45] <eroomde> 150g, 1mg, £375 ex demo
[15:45] <SpeedEvil> eroomde: No machine shop?
[15:45] <eroomde> not bad
[15:45] <eroomde> well, it's a bit messy and requires lots of upkeep
[15:45] <eroomde> would rather use someone elses
[15:45] <SpeedEvil> :)
[15:45] <eroomde> i would have a cnc bridgeport and a colchester lathe
[15:45] <eroomde> natch
[15:46] <Laurenceb_> I need to get some proper work done
[15:46] <Laurenceb_> no shark pool?
[15:46] <nats`> http://burninsheep.files.wordpress.com/2013/05/general_setup.jpg
[15:46] <SpeedEvil> My stainless steel foil arrived today.
[15:46] <nats`> this is my lab :D
[15:46] <SpeedEvil> Alas - not enough for a balloon.
[15:46] <SpeedEvil> (that will lift itself on earth)
[15:46] <Laurenceb_> today i keep redesigning the Cast-ar thing
[15:47] <Laurenceb_> i think it can be done for <$100 per pair of glasses
[15:47] <SpeedEvil> Is that a 3d printer for pirates?
[15:47] <eroomde> nice
[15:47] <Laurenceb_> http://www.kickstarter.com/projects/technicalillusions/castar-the-most-versatile-ar-and-vr-system
[15:47] <Laurenceb_> single projector in the middle
[15:48] <Laurenceb_> then use orthogonal polarization for either eye
[15:48] <nats`> I still don't understand the goal of this technology
[15:48] <nats`> why don't use projected images on the eye
[15:48] <SpeedEvil> Laurenceb_: Optics is fucking hard.
[15:48] <Laurenceb_> filthy money
[15:48] <Laurenceb_> lots of it
[15:49] <SpeedEvil> Laurenceb_: GEtting the right apparant focal length and eye relief not to cause eyestrain is nasty
[15:50] <nats`> SpeedEvil those parameters are differents for each eprsonn right ?
[15:50] <nats`> personn
[15:50] <SpeedEvil> nats`: To a degree, yes
[15:50] <nats`> because I can't use any of those fancy stuff with 3D
[15:50] <nats`> movie is the best example
[15:51] <nats`> after 10 minutes I have headhaches
[15:52] <LeoBodnar> Jeri just having fun that's all
[15:53] <Laurenceb_> if you could knock the price down it could sell in kinect quantities
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[15:54] <LeoBodnar> As soon as you detach from games console black hole you realise that this technology is pointless waste of human effort
[15:54] <eroomde> oh it's a jeri elsworth thing?
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[15:54] <eroomde> is sis wonder what all the fuss was
[15:55] <LeoBodnar> Yeah sex sells especially in the "makers" market
[15:55] <adamgreig> eroomde: any ideas on pretty printing numpy matricies in ipynb?
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[15:55] <adamgreig> like I want to actually print it like a latex matrix or something
[15:55] <adamgreig> rather than default python string output
[15:55] <Laurenceb_> i love how she chooses her camera angles with loser nerds in mind
[15:56] <Laurenceb_> knows her audience well
[15:56] <Reb-SM3ULC> adamgreig: talking LaTeX?
[15:56] <adamgreig> Reb-SM3ULC: ideally no latex would be involved
[15:56] <eroomde> glass houses. adamgreig, you want actual latex or is a vertically aligned list for each row ok?
[15:57] <adamgreig> just I want ipython notebook to print my numpy 2d arrays properly
[15:57] <adamgreig> eroomde: the latter would be fine. nicer if it could print little [] around it
[15:57] <eroomde> i must confes i've never tried that
[15:57] <adamgreig> seems like an obvious thing to be able to do
[15:57] <adamgreig> but I can't find anything on it
[15:58] <LeoBodnar> The biggest advance in human technology is Japanese rock garden
[15:58] <adamgreig> aiui you can output latex from a python method and ipynb render it
[15:59] <Reb-SM3ULC> adamgreig: missed your earlier comment and got a bit confused. (been searching how to add pictures in latex.. funky answers from google...)
[16:00] <adamgreig> adding pictures should be pretty ok
[16:00] <Reb-SM3ULC> adamgreig: no problem.. just was fun search results...
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[16:01] <Laurenceb_> i love how half the stuff on kickstarter is a perfect example of project management gone horribly wrong
[16:02] <adamgreig> eroomde: http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/scientific-python-lectures/master/Lecture-5-Sympy.ipynb
[16:02] <adamgreig> pure magic
[16:02] <adamgreig> but scroll down to the Linear Algebra section
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[16:03] <eroomde> purest foo
[16:04] <Laurenceb_> octave is simpler
[16:04] <adamgreig> ha ha
[16:04] <Laurenceb_> not as powerful but...
[16:06] <eroomde> can octave do symbolics?
[16:06] <Laurenceb_> no
[16:07] <adamgreig> so when you say "not as powerful"
[16:07] <Laurenceb_> thats what your brain is for
[16:07] <adamgreig> I mean not doing a thing is definitely simpler
[16:07] <Laurenceb_> get off my lawn
[16:11] <eroomde> oh my god
[16:11] <eroomde> i didn't realise you could do !command in ipython notebook
[16:11] <adamgreig> haha
[16:12] <adamgreig> you did know you can run octave and R code inside it, right? and all the million other insane ipython magics?
[16:12] <eroomde> !git
[16:12] <eroomde> yes, i knew about 55
[16:12] <eroomde> %%*
[16:12] <eroomde> but just not !
[16:14] <eroomde> this is super lovely
[16:15] Nick change: Upu_M0UPU -> Upu
[16:15] <nats`> Spacenear.us
[16:15] <nats`> No current flights (No Leo isn't flying wow!)
[16:15] <nats`> :D
[16:15] <eroomde> Isle of Lying confirms
[16:16] <adamgreig> haha wonderful
[16:16] <Upu> :)
[16:16] <Upu> what gets me is how many people are checking the tracker daily to see whats up there
[16:17] <Laurenceb_> lol I just found this thing
[16:17] <Laurenceb_> http://www.himaxdisplay.com/en/product/HX7810.asp
[16:17] <Laurenceb_> so castar need $400k for a custom ASIC....
[16:19] <Laurenceb_> its tempting but i think i'd rather stab myself in the face than do anything video games related...
[16:21] <nats`> video games is not that bad
[16:21] <Laurenceb_> lots of money to grab i guess
[16:22] <nats`> I'm a player myself and when I need to rest I prefere online gaming than TV
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[16:30] <arko> eroomde: haha
[16:32] <arko> LeoBodnar: so last night i brought up the icing issue to my chem eng friend
[16:32] <arko> turned into a group discussion with others as to how to avoid icing on balloons
[16:32] <LeoBodnar> and?!
[16:33] <Laurenceb_> TELL US
[16:33] <arko> one of the best suggestions (never been confirmed but worth a try) is a very hydrophobic coating called neverwet
[16:33] <arko> http://www.neverwet.com/
[16:33] <LeoBodnar> Chemical / mechanical / religious?
[16:33] <Upu> rainx
[16:33] <arko> so the goal is chemical
[16:33] <Laurenceb_> in b4 "coat with plutonium"
[16:34] <arko> we talked about heating meshes, but my buddy did the math real quick and realized it's not going to work well at all
[16:34] <Laurenceb_> yeah
[16:34] <arko> requires power too, thats lame
[16:35] <Upu> can get that from Halfords
[16:35] <arko> one interesting point someone else brought up is to fly two balloons tied like: Ballast-----balloon-----camera facing down to balloon------balloon
[16:35] <arko> so you can capture pictures of how the ice is forming
[16:36] <arko> tldr nucleation sucks
[16:36] <LeoBodnar> There are two issues: ice forming and ice removal
[16:37] <arko> avoiding the former would be great
[16:37] <LeoBodnar> If water just runs off when melting it's not that bad
[16:37] <eroomde> a piezo think in the balloon might help with the latter
[16:37] <arko> i was thinking polyprolene glycol but that stuff comes off
[16:37] <eroomde> buzz at some hopefully resonant frequency to excite the balloon skin
[16:37] <arko> ohh!
[16:37] <arko> yeah
[16:37] <LeoBodnar> under UV
[16:38] <LeoBodnar> Was thinking this morning about sweeping the frequencies throughthe envelope
[16:38] <arko> that as one idea someone threw out too, which then turned into the "powerless" version which is an unbalanced fan
[16:38] <arko> so it would "self vibrate"
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[16:38] <arko> but not sure that work
[16:38] <LeoBodnar> Unfortunately piezos don't work well in high humidity
[16:38] <eroomde> ultrasonics
[16:38] <LeoBodnar> and electromagnetic buzzers are just plain heavy
[16:38] <eroomde> might heat the skin too
[16:39] <LeoBodnar> maybe electrostatic charge?
[16:39] <arko> we were joking the ice would look super clear and shiny since it's been agitated
[16:39] <Laurenceb_> in b4 eroomde accidentally tells us how Skylon works
[16:40] <arko> thats on youtube
[16:40] <LeoBodnar> I thought large pair of counter-rotating fans that would produce snapping vibration during descend
[16:40] <Laurenceb_> wut
[16:40] <LeoBodnar> lol
[16:40] <Laurenceb_> i think the simplest plan is probably to fly high
[16:40] <LeoBodnar> yeah that's the plan
[16:40] <Laurenceb_> and as B-11/12 showed, pick the right weather
[16:40] <LeoBodnar> 13k_
[16:40] <arko> btw
[16:41] <LeoBodnar> but -55C for 10 hours soak
[16:41] <arko> there is a grant right now for solving icing on polyethylene balloon
[16:41] <arko> the problem isn't the launch weather
[16:41] <arko> Laurenceb_:
[16:42] <arko> its the fact that leo has flown long enough were the weather changes
[16:42] <arko> plus you guys have water in the sky in the uk
[16:42] <Laurenceb_> yeah it complex
[16:42] <eroomde> there is no risk of me telling you how skylon works
[16:42] <Laurenceb_> but B-11/12 tracked areas of high pressure
[16:43] <Laurenceb_> with no moisture at altitude
[16:43] <Laurenceb_> well - the cruise altitude
[16:43] <arko> i think the idea solution is chemical or something that prevents the nucleation from occuring
[16:43] <Laurenceb_> it seems a tall order
[16:44] <arko> but that seems like an engineering holy grail
[16:44] <arko> yah
[16:44] <Laurenceb_> to prevent a potentially supersaturated gas condensing
[16:44] <Laurenceb_> also what if there is actual rain
[16:44] <Laurenceb_> its going to pool on the envelope
[16:44] <Laurenceb_> id suggest trying to make it into the stratosphere
[16:45] <adamgreig> ugh, either my compressor or my decompressor is not working and I can't tell which or why
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[16:46] <Reb-SM3ULC> LeoBodnar: battery freezing up?
[16:47] <LeoBodnar> at -55C yeah
[16:47] <arko> ha!
[16:47] <arko> that's the exact temp i was able to kill my AAA's
[16:47] <LeoBodnar> Energizer Lithiums are ok
[16:47] <arko> in the env chamber
[16:48] <LeoBodnar> Energizers?
[16:48] <arko> they were Energizer Lith's too
[16:48] <arko> yea
[16:48] <arko> pretty great
[16:48] <LeoBodnar> ok, so maybe just expect to die at -55C for the night
[16:49] <arko> LeoBodnar: the other idea was an "electric mussle", that would change the shape of the ballloon quicky to break off ice
[16:49] <Laurenceb_> lolz
[16:49] <LeoBodnar> I was considering adding a rubber string to fold the balloon when it deflates
[16:49] <arko> yeah, those batteries are tough, but not much you can do other than insulate or warm it up
[16:49] <LeoBodnar> But this can trap mositure inside
[16:50] <arko> ahh
[16:50] <arko> i'd love to see how the ice actually forms
[16:50] <arko> somehow get picture
[16:50] <arko> s
[16:50] <Reb-SM3ULC> arko: right... can ask my wife to test stuff at her work.. biologyfreezers that do about -70
[16:50] <arko> ah nice
[16:51] <LeoBodnar> cool
[16:51] <LeoBodnar> literally :D
[16:51] <arko> i was able to get a hab down to -60C with the vacuum/dry ice approach
[16:51] <arko> but you can really damage electronics at that temp
[16:51] <LeoBodnar> Does ice form at <100% humidity in thermally balanced system?
[16:51] <arko> good for testing with insul
[16:51] <arko> though
[16:52] <LeoBodnar> 0C to -60C seems so much tougher than 0C to +60C
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[16:52] <arko> yeah totally
[16:53] <arko> +60 is like a really angry hair dryer
[16:53] <arko> cold is expensive
[16:53] <arko> :/
[16:53] <arko> ok i need coffee, brbz
[16:53] <Reb-SM3ULC> LeoBodnar: more insulation on the batts or go for super-caps?
[16:54] <LeoBodnar> see you later guys, home run
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[16:55] <x-f> Upu, are these guys - http://www.50dollarsat.info/ - who you suggested to not use the RFM22B in space or there is another group?
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[16:56] <Laurenceb_> lolwot
[16:56] <mattbrejza> ah picaxe
[16:57] <mattbrejza> has anyone told them about the rfm's amazing low tempeature performance?
[16:57] Action: Laurenceb_ facepalming
[16:58] <daveake> If that's the one, then Upu has
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[16:59] <daveake> Or of course they could be doing environmental tests themselves in which case they'd know .... :/
[16:59] <bertrik> mattbrejza: what do you mean?
[16:59] <mattbrejza> about its amazing low temperature performance?
[16:59] <bertrik> yes
[16:59] <Upu> I told them
[16:59] <Upu> zero response
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[16:59] <mattbrejza> well rather lack of
[17:00] <mattbrejza> http://www.picaxeforum.co.uk/showthread.php?21822-PICAXE-in-Space/page17&highlight=UniSat-5
[17:00] <mattbrejza> for moar info
[17:00] <mattbrejza> and probably general lolz
[17:01] <daveake> "Lots of space inside ..............."
[17:01] <daveake> Well that's good they can put a heater in there :p
[17:01] <bertrik> mattbrejza: I think I've seen some code that resets the RFM22, is that needed because of problems at low temperature? or for some other reason?
[17:01] <bertrik> *resets the RFM22 on a regular interval
[17:01] <daveake> Power
[17:02] <mattbrejza> not sure really, we've had a decent number of rfm deaths on long duration flights
[17:02] <daveake> They're a bit sensitive to dodgy power lines
[17:02] <mattbrejza> (at night)
[17:02] <mattbrejza> so like normal flights are fine
[17:02] <daveake> Some short flights have had issues too
[17:02] <daveake> One of mine, and one of Steve's, at least
[17:02] <daveake> Both tiny payloads probably not enough (or good enough) insulation
[17:03] <mattbrejza> oh right
[17:03] <daveake> Both stopped working during the colder altitudes
[17:03] <daveake> both restarted when it got warmer
[17:04] <bertrik> so, you're not completely sure yet what causes it? could be power and/or temperature?
[17:04] <daveake> Crystal isn't rated for < -20
[17:04] <tweetBot> @NORB_HAB: Check out all photos and videos from NORB's maiden flight! http://t.co/cWPL728joj #ukhas #NORB #HAB
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[17:26] <adamgreig> welp. my compressor/decompressor works
[17:26] <adamgreig> hometime
[17:26] <eroomde> and we just totally had an amazing whiteboard sesh
[17:26] <eroomde> redesigning these awesome valves of awesome
[17:26] <eroomde> already got half of it cadded up
[17:26] <eroomde> flow losses on this new spin are gonna be like 5x lower
[17:26] <eroomde> + 3D printing inconel
[17:27] <eroomde> sexytime
[17:27] <arko> woah
[17:27] <arko> 3d printed metal?
[17:27] <eroomde> yeah
[17:27] <arko> nice!
[17:27] <eroomde> these are manly manly valves
[17:27] <arko> too complex to mill i assume
[17:27] <arko> ooo
[17:27] <eroomde> they've got 220bar gas coming in a 1.5" id pipe on one side
[17:27] <eroomde> and they need to regulate that down to about 40 bar
[17:27] <arko> dammnn
[17:27] <eroomde> but with a mass flow of about 5kg/s of gas
[17:27] <eroomde> which is a lot
[17:27] <arko> not little
[17:28] <eroomde> internally they look quite similar to rocket engines
[17:28] <eroomde> the orifice plates and pintles are all optimal nozzle shapes
[17:28] <eroomde> and it's a 15kW servo motor and meaty ballscrew flinging the pintle in and out at quite high speeds
[17:29] <arko> woah
[17:29] <eroomde> as these valves are closed loop to regulate mass flow while the engine is doing all sort of funky shit
[17:29] <eroomde> which i can't go into
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[17:30] <arko> heh yeah
[17:30] <arko> i assume they are very fast response servos at that
[17:30] <arko> i have no idea how to regulate that much power let alone quickly
[17:31] <adamgreig> hah, they sound seriously chunky
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[17:32] <arko> eroomde: http://www.nytimes.com/2013/10/15/us/an-american-shutdown-reaches-the-earths-end.html?_r=0
[17:33] <arko> sucks for your friend
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[17:34] <arko> WOOO!!!!
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[17:34] <arko> NEVERMIND
[17:34] <arko> http://edition.cnn.com/2013/10/16/politics/shutdown-showdown/index.html?hpt=hp_t1
[17:34] <arko> its over!
[17:34] <arko> the shutdown is shutdown!
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[17:35] <fsphil> for now
[17:35] <arko> true
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[17:36] <fsphil> still good news though
[17:36] <arko> as long as nasa is back and i can finally get half the stuff ive needed to get done done, then im happy
[17:37] <fsphil> they always seem more interested in delaying it rather than fixing it properly
[17:37] <arko> welcome to america
[17:37] <arko> would you like a cheeseburger?
[17:37] <fsphil> mmmm
[17:38] <arko> actually i want one now
[17:38] <DL1SGP> yeah same here :D
[17:38] <craag> me too pls :)
[17:38] <arko> cheeseburgers for everyboday!
[17:38] <craag> order together, we'll save on delivery right?
[17:39] <arko> yes! i'll fly out to the uk now
[17:39] <arko> i should be there in 10 hours
[17:39] <arko> or wait
[17:39] <arko> no
[17:39] <arko> you guys come here
[17:39] <arko> we have In'n'out
[17:39] <LeoBodnar> I can has one
[17:40] <craag> mm i miss american cheeseburgers
[17:40] <arko> thats it, im going to innout for lunch in 1 hour
[17:40] <arko> thanks obama
[17:40] <craag> and sausage muffins
[17:40] <arko> yum
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[17:41] <LeoBodnar> If you were to setup a food shop on the North pole what date do you use for food sell-by-daye cutoff?
[17:41] <arko> omg
[17:41] <arko> you've solved the problem!
[17:41] <arko> this sounds like a calculus limits problem
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[17:42] <fsphil> spoiler: UTC
[17:43] <LeoBodnar> This need to be discussed in the House of Lords
[17:43] <arko> fsphil: dam you!
[17:43] <arko> house of lords?
[17:43] <arko> that sounds epic
[17:43] <arko> i assume its a branch of the uk govt
[17:44] <LeoBodnar> yeah, bunch of pompous snobs
[17:44] <arko> ah
[17:45] <arko> sounds like our govt
[17:47] <Willdude123> I went to a really cool IT day thing at a local college. IT there seems awesome. The one problem is that they only do BTECs.
[17:48] <fsphil> sadly not the house of time lords
[17:49] <fsphil> although many of them are from the distant past
[17:49] <LeoBodnar> Willdude123: there are about 4 billions [mediocre] IT specialists in the world and new are being born every second. It's a tough market.
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[17:50] <arko> well, i just ordered a 200g and 350g balloon from kaymont
[17:50] <arko> looks like i'll be flying two picos in the next few weeks
[17:50] <LeoBodnar> cool! when are you flying arko ?
[17:50] <arko> the second one im going to try to float
[17:50] <arko> two weeks ish
[17:50] <LeoBodnar> coolio
[17:50] <arko> http://habexproject.org/pico/
[17:50] <arko> launch will likely be delayed a week from that post
[17:51] <arko> trying to get rtty/domino popular here so people can get active and communicating
[17:51] <arko> aprs is cheating :P
[17:51] <fsphil> aprs is wasteful :)
[17:51] <Willdude123> LeoBodnar, I'd like to go into IT. I wanna keep my options open though
[17:51] <LeoBodnar> Lol we will need TDMA arko
[17:52] <fsphil> the printers Willdude123. the printers. they will haunt you. always breaking
[17:52] <Willdude123> Then there's the college that pretty much everyone goes to, but it isn't amazing.
[17:52] <Willdude123> Then there's the posh one.
[17:52] <LeoBodnar> Two thirds of all the school kids want to go into IT
[17:52] <Willdude123> OK then, I won't.
[17:53] <LeoBodnar> The other two thirds want to be videogame programmers
[17:53] <arko> LeoBodnar: will do :P
[17:53] <arko> aprs is just boring, makes habing easy too
[17:53] <arko> and risky if you assume everything can hear you and you dont check coverage
[17:53] <arko> also i going lower wattage doesnt work well
[17:54] <arko> other things talk over your very easily
[17:54] <mfa298> there's only one fix for printers, gravity test from a high up window ending up with percausive maintenance
[17:54] <LeoBodnar> By all means Willdude123 but think about all the competition from India/Israel/Eastern Europe/etc
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[17:55] <mfa298> also IT is a huge area, you might want to narrow down what you want to do within IT.
[17:55] <mfa298> although I didn't really decide what to do until I was at Uni
[17:57] <LeoBodnar> http://readingjimwilliams.blogspot.co.uk/2012/06/bob-pease.html
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[17:58] <LeoBodnar> arko: I admit I am considering APRS for flying over Russia/China/Japan to you
[17:58] <arko> yes!!
[17:58] <arko> do it!
[17:58] <LeoBodnar> This is the only reason I am getting the full ham licence
[17:58] <arko> i'll do my best to track it if it comes my way
[17:58] <arko> hahaha
[17:58] <arko> good
[17:58] <LeoBodnar> With proper Domino in between APRS packets
[18:00] <Willdude123> mfa298, what do you do?
[18:01] <mfa298> gravity test of xeon arc bulbs sounds like a good thing as well - I've seen the post test results but not the actual test.
[18:01] <mfa298> s/xeon/xenon/
[18:01] <fsphil> megablast
[18:02] <mfa298> the quartz envelope was in fairly small pieces
[18:02] <arko> cool, aim it my way :)
[18:03] <fsphil> would a foil floating higher than 10km be more stable -- being further away from the weather?
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[18:07] <arko> interesting thought
[18:07] <arko> 12km is the tropopause
[18:07] <fsphil> it seems to be weather that brings them down rather than leaks or bursts
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[18:07] <fsphil> a larger foil might get it out of all that
[18:07] <mfa298> the ones floating at 10km did see to be more stable
[18:07] <arko> wonder how hard it would be to get it to float an extra 4000m
[18:07] <fsphil> although it might be colder
[18:08] <LeoBodnar> Last week saturated rain clouds over europe were at 12km+
[18:08] <mfa298> although I think at 10km you're also at aircraft cruise height
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[18:09] <LeoBodnar> 13km seems like reasonable place to be
[18:09] <arko> ohh yeah
[18:09] <arko> planes
[18:09] <arko> those pesky things
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[18:09] <arko> getting in the way of habs
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[18:10] <LeoBodnar> at 10km there is a high chance of being kicked up by wake turbulence higher and rupture
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[18:18] <arko> [Virtual Astronomer: T-10 Minutes until an incredibly bright #ISS pass over the UK. More info here: http://www.meteorwatch.org/uk-iss-passes-october-2013.html ]
[18:18] <arko> go outside yo
[18:19] <fsphil> it'll have to be pretty damn low to see it here :)
[18:20] <arko> oh yeah
[18:20] <arko> clouds
[18:20] <arko> i keep forgetting
[18:21] <fsphil> they're a right pain
[18:21] <shdwfear> hey arko
[18:22] <henryplumb> Hi all :)
[18:22] <arko> wait wut
[18:22] <arko> shdwfear?
[18:22] <shdwfear> london fog :)
[18:22] <shdwfear> you said it's passing the uk right? isn't london always foggy
[18:22] <arko> weird, i thought this was #nsl on efnet
[18:23] <fsphil> nsl .. not safe for life?
[18:23] <arko> hah
[18:23] <arko> NullSpace Labs
[18:23] <arko> our hackerspace in downtown la
[18:24] <LeoBodnar> Classic! http://www.edn.com/electronics-blogs/anablog/4311370/Pranking-bosses-friends-and-competitors-
[18:24] <fsphil> I should join, and then never show up
[18:24] <arko> fsphil: you should join anyway
[18:25] <arko> my friend charlie did some crazy work on the amiga
[18:25] <Willdude> mfa298, what's your job?
[18:25] <fsphil> the mention of xenon earlier has me tempted to bring the amiga out
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[18:28] <arko> haha
[18:28] <fsphil> I've yet to finish Xenon 2
[18:28] <arko> #nsl is very not pc, so heads up if you join
[18:28] <LazyLeopard> Thanks arko. Good pass. ;)
[18:28] <arko> awesome you saw it?
[18:29] <LazyLeopard> Yep.
[18:29] <fsphil> nice!
[18:29] <LeoBodnar> "Messing with a mans oscilloscope is as bad as dating his wife"
[18:29] <arko> nice
[18:29] <fsphil> haha
[18:29] <arko> glad you saw it
[18:29] <arko> HAHAHA
[18:29] <arko> Leo
[18:29] <arko> brilliant
[18:31] <LazyLeopard> Passed very close to Deneb.
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[18:35] <Willdude> arko, could you do me a favor and check out when the pass is happening and where? My interwebs are pretty much down
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[18:35] <Willdude> NVM back up
[18:35] <arko> heh
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[18:35] <arko> i think it just passed
[18:35] <Willdude> Oh
[18:36] <arko> may pass again tomorrow, not sure, havent looked it up
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[18:39] <LazyLeopard> Good visible pass on 18th. Tomorrow there's one pass just before sunset and another just long enough after sunset for it to have gone into eclipse before it reaches peak elevation.
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[18:49] <ibanezmatt13> evening y'all
[18:50] <Willdude> Evening ibanezmatt13
[18:52] <Willdude> How are you?
[18:52] <ibanezmatt13> not so bad, a little ill
[18:52] <ibanezmatt13> yourself?
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[18:59] <ibanezmatt13> if anybody fancies a look at all the pics/vids from my launch, including vid of launch, vid of recovery etc, go here; http://t.co/cWPL728joj
[19:00] <ibanezmatt13> this vid in particular: http://flic.kr/p/gHjG2h
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[19:01] <Willdude> ibanezmatt13, not great. Went to a cool IT thing at a local college though.
[19:01] <ibanezmatt13> cool
[19:02] <Willdude> But aside from that, I'm feeling crap :)
[19:02] <ibanezmatt13> cool, me too :)
[19:03] theo__ (6d94d344@gateway/web/freenode/ip.109.148.211.68) joined #highaltitude.
[19:03] <DL7AD> good evening :)
[19:04] <ibanezmatt13> evening DL7AD :)
[19:04] <ibanezmatt13> ping Upu
[19:05] <Upu> hi
[19:05] <ibanezmatt13> How's things? Did I ever send you these? http://t.co/cWPL728joj
[19:06] <ibanezmatt13> everything including launch and recovery videos on there.
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[19:07] <Upu> I recognise that ball
[19:07] <ibanezmatt13> thought you might
[19:07] <Upu> very good
[19:07] <ibanezmatt13> launch vid and recovery vids are pretty good to watch if you get some time. They're only 1 minute long or so each
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[19:08] <Upu> will look in a bit
[19:08] <Willdude> Hi Upu
[19:08] <ibanezmatt13> Cool. More importantly... ;)
[19:08] <Upu> hi Will
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[19:09] <ibanezmatt13> how's things on the components front?
[19:10] <Upu> posted today
[19:10] <Upu> less the NTX2B
[19:10] <ibanezmatt13> awesome! :D
[19:10] <ibanezmatt13> you may relax now :P
[19:10] <fsphil> still not got those?
[19:11] <Upu> nope
[19:13] <ibanezmatt13> any news on your float fsphil?
[19:13] <fsphil> still on for saturday, weather and CAA permitting
[19:13] <fsphil> payload is behaving itself a bit better now
[19:13] <ibanezmatt13> good stuff, what was wrong
[19:15] <fsphil> there was a short on one of the uart lines
[19:15] <ibanezmatt13> ah, that's not good
[19:15] <fsphil> easily fixed though
[19:15] <fsphil> and there where some software issues too
[19:15] <fsphil> nothing too bad
[19:15] <LeoBodnar> what balloon size was it fsphil ?
[19:16] <ibanezmatt13> glad everything's resolved. Would be awesome if you could get it Eastwards to the USA :P
[19:16] <fsphil> it's a 1600g hwoyee LeoBodnar
[19:16] <LeoBodnar> Ah, full monty!
[19:16] <fsphil> not a chance ibanezmatt13 :) I'll be happy if it gets to denmark
[19:16] <ibanezmatt13> lol
[19:16] <ibanezmatt13> I've never understood how floats work
[19:16] <ibanezmatt13> I've always wanted to do one too
[19:16] <LeoBodnar> you need a force that stops latex expansion
[19:17] <ibanezmatt13> is that just the weight of the payload
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[19:17] <Reb-SM3ULC> fsphil: I'll wait for it in SM-land.. :)
[19:17] <ibanezmatt13> I guess free lift comes into it calculating accent rates, gas ammounts, etc
[19:18] <LeoBodnar> If you make rubber strain-stress relationship work for you
[19:18] <ibanezmatt13> sounds complex
[19:18] <LeoBodnar> Here is how rubber stress changes with strain http://leobodnar.com/files/Rubber%20test%20115.png
[19:18] <fsphil> not sure of the mechanics of it. the gas won't overcome the stretch of the latex
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[19:18] <fsphil> the pressure difference between inside and outside isn't enough to tear the latex
[19:19] <fsphil> once the latex gets to its limit
[19:19] <LeoBodnar> You want to time it so that sharp vertical climb starts just when you were to reach expected float altitude
[19:19] <ibanezmatt13> I see
[19:20] <fsphil> nobody has flown a differential pressure sensor on a float yet
[19:20] <fsphil> or did they?
[19:20] <fsphil> don't think apex did
[19:20] <LeoBodnar> on a latex one?
[19:20] <fsphil> it should see a similar pressure until it starts floating, then the pressure inside will rise
[19:20] <fsphil> yea
[19:20] <mattbrejza> benoxley did fsphil
[19:21] <fsphil> on a floating latex flight?
[19:21] <fsphil> my memory sucks
[19:21] <mattbrejza> it didnt end up floating
[19:21] <fsphil> ah
[19:21] <LeoBodnar> I would consider pre-stretching latex. In my tests natural rubber shows significant memory effect
[19:22] <fsphil> fill it with air before launching?
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[19:22] <keydash> What a great job the NORB flight
[19:22] <ibanezmatt13> thanks :)
[19:22] <fsphil> would be an interesting test that -- fly one prestretched and one not
[19:23] <keydash> did it sent the images by ssdv?
[19:23] <ibanezmatt13> nah
[19:23] <ibanezmatt13> it was too risky for a novice :P
[19:23] <keydash> at least you made oen sucessful flight
[19:23] <keydash> *one
[19:23] <ibanezmatt13> yeah, we're gonna be launching at around Christmas time too
[19:23] <keydash> i'm working on my first flight
[19:23] <ibanezmatt13> oh nice
[19:24] <ibanezmatt13> Pi?
[19:24] <keydash> Arduino
[19:24] <keydash> well i have a pi also
[19:24] <keydash> but pretty sure i will use arduino
[19:24] <ibanezmatt13> cool. My NORB 3 boards are closest thing I've done to Arduino
[19:24] <ibanezmatt13> http://www.norb.co.uk
[19:24] <keydash> landed far away from the takeoff palce?
[19:24] <fsphil> nothing wrong with using an arduino.. they're more suited to the task in many ways
[19:25] <keydash> for now i'm stuck because of university
[19:25] <ibanezmatt13> not that far keydash, I couldn't really say. About 35 minute drive
[19:25] <ibanezmatt13> yep, I would say Arduino over Pi unless you're doing SSDV
[19:25] <keydash> also i'm pending to earn more money, pay the university, pay the insurance of the car and then i can pay the gps module
[19:25] <keydash> xD
[19:25] <ibanezmatt13> lol
[19:26] <keydash> my goal is to send it on June of 2014
[19:26] <fsphil> or an stm32 flight if you're feeling brave
[19:26] <keydash> i'm quiote close to the sea so i don't want any winds
[19:26] <ibanezmatt13> keydash, where are you?
[19:26] <keydash> barcelona
[19:26] <ibanezmatt13> wow
[19:26] <fsphil> nice
[19:26] <keydash> we have quite better weather conditions here
[19:26] <fsphil> just a bit
[19:27] <keydash> well the two times i've came to england
[19:27] <keydash> ...
[19:27] <ibanezmatt13> lol
[19:27] <ibanezmatt13> the weather here right now is shocking
[19:27] <ibanezmatt13> terrential rain + wind
[19:27] <keydash> I thought with my normal summer clothes will be good but...
[19:27] <fsphil> we had the rain earlier. some flooding nearby
[19:27] <keydash> really i came in august and it was really cold
[19:27] <fsphil> glad I live on a hill
[19:27] <keydash> hope it won't cause problems over there
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[19:28] <fsphil> august is our warm month :p
[19:28] <fsphil> well july and august
[19:28] <keydash> well that was in liverpool
[19:28] <fsphil> sometimes june is nice
[19:28] <mattbrejza> its nicer more of the time down south of course :P
[19:28] <mattbrejza> was pretty pleasent until a few days ago
[19:28] <fsphil> we've had some ground frost already
[19:29] <keydash> here we have an avg of 18º
[19:29] <keydash> ºC
[19:29] <mattbrejza> oh nope of that here yet
[19:29] <mattbrejza> *none
[19:29] <fsphil> much warmer today though
[19:29] <fsphil> despite the rain
[19:29] <fsphil> or probably because of the rain
[19:29] <mattbrejza> yea
[19:29] <keydash> yeah but you have really green grass parks
[19:29] <keydash> and
[19:30] <keydash> good views
[19:30] <keydash> really i like your country
[19:30] <keydash> hope i can finish my study there
[19:30] <fsphil> we should take turns. move the population between them every few years :)
[19:31] <Willdude> I cannot express how cool I think it is when my interwebs are practically down, and IRC still works.
[19:31] <mattbrejza> tbh our climate is pretty good really, wouldnt want it really warm in the summer, and compare it to other places at the same latitude our winter is really quite warm
[19:31] <Willdude> Can't even get on google.
[19:32] <fsphil> most of the UK is further north than newfoundland -- which gets a scary amount of snow
[19:32] <fsphil> which I'd love to see sometime
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[19:33] <Willdude> Do you remember when i was in turkey, and the internet was about 60k? I kept connecting and disconnecting
[19:33] <mattbrejza> Willdude: just use the bot here to google :P
[19:33] <mattbrejza> (dont)
[19:33] <fsphil> IRC over DNS
[19:33] Action: Willdude stopped typing his search term, which in hindsight was probably a little off-topic anyway
[19:34] <Willdude> Can I PM with Zeusbot in order to google?
[19:34] <mattbrejza> well you then have to load thte page
[19:34] <Willdude> Still.
[19:34] <fsphil> you can get online through a lot of non-free wifi access points by tunnelling through dns
[19:34] <Willdude> I'll try
[19:34] <Willdude> Wow. Really?
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[19:35] <fsphil> yea. not terribly fast though
[19:35] <Willdude> Is it slow?
[19:35] <fsphil> yep
[19:35] <fsphil> fast enough for irc :)
[19:35] <Willdude> Oh so you run a proxy on the DNS port?
[19:35] <fsphil> it passes messages via dns lookups
[19:35] <Willdude> Heh.
[19:35] <fsphil> you need a special server setup
[19:36] <benoxley> fsphil: Not on a floater, but on a standard latex flight I flew a differential pressure sensor
[19:36] <fsphil> I remember that one benoxley
[19:37] <benoxley> Didn't manage to get one to float..
[19:37] <fsphil> I should have put a sensor on this one
[19:37] <Willdude> Right. That means my only source of entertainment until Out There comes on on BBC 2 is IRC
[19:38] <Willdude> It's actually a really good documentary. I'm not one to get all emotional, but I was on the brink of my eyes watering slightly in the first part.
[19:38] <ibanezmatt13> I found this website somewhere Will, you may find it a good read perhaps: http://www.norb.co.uk :P
[19:38] <fsphil> smoothly done there ibanezmatt13 :)
[19:38] <Willdude> Arrrgh
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[19:39] Action: x-f actually lol'd. :)
[19:39] <ibanezmatt13> Obviously some sort of really good habbist on here somewhere. He didn't specify his username in the contact section
[19:39] <fsphil> habbist
[19:39] <fsphil> habanaught
[19:40] <ibanezmatt13> lol
[19:40] <ibanezmatt13> happy habber
[19:40] <fsphil> or habonaut even
[19:40] <Willdude> I do this when my internet's down. I go on websites or google stuff and I completely forget my internet is down. I just felt like googling the stonewall website then I realized my interwebs are down.
[19:40] <Willdude> ^well I didn't just feel like it, I had motives.
[19:40] <fsphil> habologist
[19:40] <Willdude> ibanezmatt13, that's your site right?
[19:40] <ibanezmatt13> habiterian
[19:41] <ibanezmatt13> Nah, wish it was
[19:41] <ibanezmatt13> looks awesome
[19:41] <henryplumb> ibanezmatt13 Hiya, what's the altitude > 29900 then trigger = true thing about in NORB code?
[19:42] <henryplumb> What was it for?
[19:42] <ibanezmatt13> ah forgot to tell you about that...
[19:42] <ibanezmatt13> On Github, I accidentally edited the NORB code with stuff from the Paddy Power code
[19:42] <henryplumb> Right...
[19:42] <Willdude> Paddy Power?
[19:42] <ibanezmatt13> but it's near enough. The trigger just needs removing. Ill sort it for you
[19:43] <Willdude> Aren't they a Betting website?
[19:43] <henryplumb> I've already removed it in my copy
[19:43] <ibanezmatt13> Willdude: http://www.norb.co.uk/index.php?id=wonderworks-paddy-power
[19:43] <fsphil> what are the odds of that?
[19:43] <ibanezmatt13> cool henryplumb
[19:43] <Willdude> Now you are just rubbing it in
[19:43] <henryplumb> and started interfacing it with my temperature and pressure sensors in the same python script
[19:43] <ibanezmatt13> cool henryplumb, sounds like you'll be launching in no time
[19:43] <henryplumb> I hope so
[19:44] <henryplumb> My payload is pratically done. Just got to get a couple more things interfacing and wait for my Ublox max 6 to turn up and then put it all together in a box :)
[19:44] <ibanezmatt13> excellent henryplumb. Don't forget the camera :P
[19:44] <henryplumb> I won't! :P
[19:45] <henryplumb> I'll put my fully interfaced code on github when I'm done :)
[19:45] <ibanezmatt13> henryplumb, there's a few things you could do to maximise the reliability of the software side of things which I can talk to you about once everything's working
[19:45] <Willdude> Fifteen minutes to go till Stephen Fry's second part of his truly amazing documentary
[19:45] <henryplumb> Okay, cheers
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[19:46] <ibanezmatt13> one good idea is to have a shell script that continously tries to execute the main flight code every few seconds or so. If it's already running, nothing will happen, but if for whatever reason it stopped, it'll restart
[19:46] <henryplumb> That's a good idea, I'll try that :)
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[19:47] <ibanezmatt13> And of course, there's more chance of that happening on a Pi than an Arduino or AVR or whatever
[19:47] <henryplumb> Yup
[19:47] <ibanezmatt13> I think it's flightcode.sh in the respository. VERY generic but there you go. Just rename the program it executes whatever yours is called
[19:47] <henryplumb> Yup :)
[19:48] <henryplumb> What's your flightmode enabled thing in NORB also?
[19:48] <Willdude> Actually I could listen to my completely legal FLAC copy of Queen's greatest hits :)
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[19:48] <henryplumb> be back soon, dinner ;)
[19:48] <ibanezmatt13> bye :)
[19:49] <ibanezmatt13> mikestir, http://www.norb.co.uk/index.php?id=norb-makes-its-maiden-flight
[19:49] <ibanezmatt13> you have a reference :)
[19:50] <Willdude> ibanezmatt13, is my blog not awesome too? :P
[19:51] <ibanezmatt13> link?
[19:51] <Willdude> willdover.co.uk
[19:51] <ibanezmatt13> thanks
[19:51] <Willdude> ibanezmatt13, how did Paddy Power find you>
[19:51] <ibanezmatt13> not a clue :)
[19:51] <ibanezmatt13> well
[19:51] <Laurenceb_> willdover more like Ben Dover
[19:52] <Willdude> Was it actually sent from space?
[19:52] <ibanezmatt13> there was this guy who asked about Pi's on here so I started helping him out. Had no idea
[19:52] <Willdude> Well, from the balloon?
[19:52] <ibanezmatt13> Oh yes, proper orbit
[19:52] <Willdude> Or was it sent via RTTY?
[19:52] <Laurenceb_> "Arduino Uno, which is a Microcontroller,"
[19:52] <Laurenceb_> lolling
[19:52] <Willdude> And then made on a computer at home?
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[19:52] <Willdude> Or did you have a direct downlink to paddy power?
[19:52] <ibanezmatt13> Well
[19:53] <ibanezmatt13> In code, it triggered a boolean which was coming down as part of the telemetry
[19:53] <ibanezmatt13> So I had some more code running down here which got the status of the "trigger" live
[19:53] <Willdude> So it wasn't really made from the balloon?
[19:53] <ibanezmatt13> it's as close as we could get to be honest
[19:53] <ibanezmatt13> techically
[19:54] <ibanezmatt13> it wouldn't have triggered had the balloon not reached 100,000ft
[19:54] <ibanezmatt13> plus, it made a good video for them anyway so, win win
[19:54] <Willdude> And space? They say it's space.
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[19:55] <ibanezmatt13> Advertising goes to extremes
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[19:55] <ibanezmatt13> more so in the description as opposed to reality
[19:55] <Willdude> Anyway AFK for awesome Stephen Fry documentary on QUILTBAGs
[19:55] <ibanezmatt13> enjoy
[19:56] <Willdude> It does upset me though, more so than others.
[19:57] <Willdude> (due to personal reasons and finding the whole homophobia stuff worldwide personally offensive)
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[19:58] <Willdude> If you put a water bottle in a hab, would it be cold on landing?
[19:58] <Willdude> (or frozen)
[19:59] <ibanezmatt13> I imagine it would be back to normal temperature when you'd get to it.
[19:59] <ibanezmatt13> But I've not a clue :P
[19:59] <Willdude> ibanezmatt13, also your bet screenshot is different to the bet they said this competition winner had placed.
[20:00] <ibanezmatt13> Well, I did what they said, they said it was a success and it was a good experience. Good point though but I'm not so bothered to be honest :)
[20:00] <ibanezmatt13> not my screenshot either
[20:02] <SpeedEvil> Someone made a comment 'GSM development licences are 150 in the UK'
[20:02] <SpeedEvil> This seems unlikely to me, and I can't find any reference on OFCOM - anyone have a clue?
[20:02] <SpeedEvil> Err - 50 quid
[20:03] <henryplumb> Back :)
[20:03] <fsphil> re!
[20:03] <ibanezmatt13> :)
[20:07] <ibanezmatt13> and then there was silence
[20:07] <Willdude> Wow. A gay person is murdered every 36 hours in Brazil.
[20:07] Action: fsphil is crimping connectors
[20:07] <ibanezmatt13> lol
[20:07] <SpeedEvil> Willdude: He must get really good medical treatment then.
[20:07] <Willdude> Luckily I don't live in or am going to Brazil.
[20:08] <Willdude> But seriously. That's awful.
[20:08] <Willdude> SpeedEvil, why?
[20:08] <SpeedEvil> 'a gay person'
[20:08] <Willdude> Why?
[20:08] <fsphil> reminds me of http://i.imgur.com/Zt98z.jpg
[20:09] <Willdude> I don't really get what you mean?
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[20:09] <jcoxon> the use of the singular
[20:09] <jcoxon> as in one person repeatedly
[20:10] <Willdude> Oh right. :)
[20:10] <fsphil> yay the english language
[20:11] <Willdude> I'm so pleased I don't live in Brazil.
[20:12] <arko> fsphil: haha
[20:12] <arko> http://www.youtube.com/watch?v=ulfCxDsVTWo
[20:12] <arko> this is neat
[20:12] <Laurenceb_> lol SpeedEvil
[20:12] <fsphil> that statistic alone isn't too useful Willdude
[20:13] <fsphil> you'd need to see it as a percentage of the overall rate
[20:14] <Willdude> Indeed. I suppose it's slightly misleading.
[20:16] <fsphil> there where 51,198 homicides in 2011 in Brazil. that's kinda scary
[20:17] <fsphil> about 140 a day
[20:17] <adamgreig> SpeedEvil: £50 is the normal cost for an experimental license
[20:17] <adamgreig> on any given frequency
[20:17] <adamgreig> iirc
[20:17] <adamgreig> so that'd apply for gsm dev too
[20:17] <Willdude> I'm just pleased I live in a country where we are accepted for who we are; as opposed to being discriminated against in other countries.
[20:17] <adamgreig> but you have to demonstrate suitable test kit, low field levels at neighbour property etc
[20:18] <gonzo_> unless you are welsh of course
[20:20] <SpeedEvil> adamgreig: Ah
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[20:21] <henryplumb> ibanezmatt13, what's flight mode in your NORB code?
[20:21] <ibanezmatt13> flight mode is a mode you enable on the Ublox
[20:21] <ibanezmatt13> if it's disabled, it will stop working above 12KM
[20:21] <ibanezmatt13> which is bad
[20:21] <henryplumb> Okay, cheers :)
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[20:26] <ibanezmatt13> So basically, you send an array of bytes over the serial port to the Ublox which interprets it as a command and enables this flight mode. It then sends a response back which you read to check it set ok and this is used to determine whether flight mode is set; True, or not: False. And you send this down with the rest henryplumb
[20:27] <henryplumb> ibanzematt13, Cheers for that. It was just confusing me as to what it was!
[20:27] <ibanezmatt13> np
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[20:46] <arko> http://mathgifs.blogspot.co.uk/
[20:47] <ibanezmatt13> that's awesome arko
[20:47] <arko> i know right?!
[20:47] <stilldavid> there's an /r/mathgifs ;)
[20:47] <arko> yes!
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[20:48] <arko> first thing i did with reddit was unsub from everything default
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[20:50] <ibanezmatt13_> arko, the parabola one is the best :)
[20:50] <arko> yes!
[20:50] <arko> that's kinda mind blowing
[20:50] <arko> i would love to see rf propgation gifs
[20:51] <Laurenceb_> https://i.chzbgr.com/maxW500/7844600064/h4601A5EE/
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[20:51] <arko> NSFW^ISH
[20:51] <arko> just sayin
[20:52] <Upu> Laurenceb...
[20:52] <Upu> not on this channel pls
[20:52] <Laurenceb_> sorry it seems newsworthy
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[20:55] <Lunar_Lander> hello
[20:55] <ibanezmatt13_> abend
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[21:00] <Willdude> I'm going to guess that means night.
[21:00] <Willdude> Since heute abend means tonight, I think
[21:01] <Willdude> What's the problem with that image?
[21:01] <x-f> abend means evening
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[21:05] <nats`> I need help to assemble a zl yagi :)
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[21:07] <nats`> instruction to assemble that are really crappy !
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[21:14] <Reb-SM3ULC> Willdude: you are correct
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[21:27] <nats`> I don't understand if I need to cut the twin band
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[21:29] <henryplumb> Night all :)
[21:29] <ibanezmatt13> gn
[21:29] <nats`> night
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[21:36] <Willdude> ibanezmatt13, is your college affected by tomorrow's strikes?
[21:36] <ibanezmatt13> nope
[21:37] <ibanezmatt13> A level teachers find their students more important I've noticed
[21:37] <chrisstubbs> ibanezmatt13, are you at college or 6th form?
[21:38] <ibanezmatt13> Well, it's a college but I think they call it 6th form
[21:38] <chrisstubbs> I found 6th form at my school wayyyyyyyyyyy better than either of the colleges I have been to with work
[21:39] <tweetBot> @daveake: #RaspberryPi finds use as my new Chase Car Computer - http://t.co/VA1J2fkASb #UKHAS
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[21:40] <ibanezmatt13> nice daveake
[21:40] <daveake> cheers
[21:41] <ibanezmatt13> what parts did you use to make it?
[21:41] <daveake> the ones listed in the article :/
[21:41] <ibanezmatt13> oh :P
[21:41] <ibanezmatt13> I'll read it
[21:41] <daveake> good boy
[21:41] <daveake> :)
[21:42] <ibanezmatt13> "Chasing balloons across the country is one of the best, and probably the most exciting, parts of high altitude ballooning."
[21:42] <ibanezmatt13> hmm
[21:42] <WillTablet> I don't want to go to the college at the place I went today, IT is awesome but I think doing a BTEC would narrow my options
[21:43] <ibanezmatt13> When we did it, an ancient IBM with vista, very unreliably internet, not that good radio and the cable from the radio to the PC to decode was broken :P
[21:43] <ibanezmatt13> yet we still recovered it
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[21:43] <LeoBodnar> arko: found an old Russian book on aviation meteorology. Chapter on icing descended into 2nd order differential equations after one and a half pages.
[21:43] <WillTablet> Ping Upu
[21:43] <arko> oh wow
[21:43] <daveake> The chasing part is the bit that everyone puts little thought into, and is usally the bit where it all goes wrong
[21:43] <ibanezmatt13> yep
[21:43] <ibanezmatt13> :)
[21:43] <arko> LeoBodnar: whats the book called?
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[21:44] <LeoBodnar> 280F8>==0O <5B5>@>;>38O
[21:44] <daveake> I can remember at least 2 payloads which were lost when they could have been receovered
[21:44] <arko> what?
[21:44] <LeoBodnar> 1981
[21:44] <arko> 280F8>==0O <5B5>@>;>38O
[21:44] <arko> lol wat
[21:44] <arko> that must be russian
[21:44] <ibanezmatt13> :)
[21:44] <daveake> it's all greek to me
[21:44] <LeoBodnar> Aviation meteorology
[21:45] <LeoBodnar> ANyways the solution to the icing problem: fly supersonic
[21:45] <arko> oh duh!
[21:45] <arko> should have thought of that
[21:45] <LeoBodnar> lols 1981. Concord and TU-144 era
[21:45] <daveake> Concordski
[21:46] <ibanezmatt13> lol
[21:46] <WillTablet> daveake is there much possibility of having the hab position being displayed as well as directions/sat nav?
[21:46] <LeoBodnar> Hasn't TU-144 flew before Concord?
[21:46] <LeoBodnar> They are both dead anyway
[21:47] <arko> heh
[21:47] <arko> damn i was hoping for some super chemical :P
[21:47] <LeoBodnar> XXI century is not what expected it to be
[21:47] <ibanezmatt13> and daveake, have the predicted landing spot continuously update on your screen (we could have done with that)
[21:47] <arko> i think the only way to do this is to fly in i
[21:47] <arko> icing conditions
[21:47] <arko> try things
[21:47] <arko> vibration, nano coating
[21:47] <arko> who knows
[21:48] <arko> see what works
[21:48] <LeoBodnar> Well it says "experiments for dispersing fog in the USA were successful"
[21:48] <daveake> ibanezmatt13 best way for that IMO is to get the payload to calculate it. Then you don't need internet to get the landing position
[21:48] <arko> dispering fog?
[21:48] <ibanezmatt13> excellent point daveake
[21:48] <arko> this is iron wall days too huh?
[21:49] <LeoBodnar> Experiments involved burning few hundred tonnes of oil along the runways
[21:49] <LeoBodnar> per hour
[21:49] <arko> wo
[21:49] <arko> w
[21:49] <arko> thats crazy
[21:49] <LeoBodnar> Oh yes the golden period of the cold war
[21:49] <arko> sounds like an american thing
[21:50] <LeoBodnar> It says Orly airport in France used butane to deal with fog
[21:51] <Laurenceb_> O-rly?
[21:51] <daveake> that was done in WWII
[21:51] <daveake> So bombers could land back after raids
[21:52] <nats`> I have a ZL yagi and the twin crossed section is really long
[21:52] <nats`> should I cut it at a specified lenght
[21:53] <nats`> or let it like that ?
[21:54] <arko> wow
[21:54] <arko> NO BOB DONT LITE THAT CIGARET....
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[21:55] <nats`> ?
[21:55] <ibanezmatt13> night all :)
[21:57] <fsphil> niiite matt
[21:57] <ibanezmatt13> gn
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[22:02] <Steve_G0TDJ> Hey Guys :-)
[22:02] <Steve_G0TDJ> GN Matthew
[22:03] <Steve_G0TDJ> Question: I sorted my flight docs out earlier for Sunday's launch. Do they need to be authorized? And if so, how do I know that they've been done?
[22:04] <chrisstubbs> flight doc or payload config ?
[22:04] <Steve_G0TDJ> Both
[22:04] Nick change: heathkid|2 -> heathkid
[22:05] <chrisstubbs> What was the name of your payload? Cant find anything for vayu flight docs wise
[22:05] <Steve_G0TDJ> VAYU-1
[22:05] <chrisstubbs> if you do start from existing and search it should say if they have been approved
[22:06] <Steve_G0TDJ> OK
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[22:06] <Steve_G0TDJ> Yeah, not there
[22:06] <Steve_G0TDJ> OK I'll do it again....
[22:07] <chrisstubbs> did you take a note of the flight doc?
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[22:09] <chrisstubbs> doc ID sorry
[22:10] <Steve_G0TDJ> chrisstubbs: How about that?
[22:10] <Steve_G0TDJ> Oh no, should I?
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[22:10] <chrisstubbs> Yep thats the one
[22:10] <Steve_G0TDJ> s that set up OK?
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[22:11] <chrisstubbs> just ask the kind folk on #habhub to approve it, you used to have to paste the ID but they dont seem to need it now
[22:11] <Steve_G0TDJ> I didn't select the payload before
[22:11] <Steve_G0TDJ> Who can I asK?
[22:11] <chrisstubbs> Yep that looks in check
[22:11] <Steve_G0TDJ> Oh, in the channel right
[22:11] <chrisstubbs> Yep
[22:11] <Steve_G0TDJ> Doing
[22:12] <chrisstubbs> just give them the name VAYU-1
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[22:12] <Steve_G0TDJ> OK Cheers
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[22:13] <chrisstubbs> if you make any changes to the telem format you will have to create it again
[22:13] <Steve_G0TDJ> No, it will satay as it is now
[22:13] <Steve_G0TDJ> Maybe on the next version
[22:14] <chrisstubbs> :)
[22:14] <Steve_G0TDJ> stay even (been a long day)
[22:14] <chrisstubbs> Im off now, laters!
[22:14] <WillTablet> chrisstubbs headers arrived
[22:14] <Steve_G0TDJ> Had a parrot emergency that isn't really over yet
[22:14] <WillTablet> Not sure how to break them in the right place
[22:14] <Steve_G0TDJ> OK chrisstubbs Thanks for the help
[22:14] <chrisstubbs> Ah that was quick will
[22:14] <chrisstubbs> Yeah the female ones are a bit messy
[22:15] <chrisstubbs> I break them with side cutters the next one along then file it back tidy
[22:15] <Steve_G0TDJ> I was going to say almost the same
[22:15] <chrisstubbs> I think you can buy them pre cut if you are feeling really neat
[22:15] <chrisstubbs> Anyway, laters!
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[22:19] <LeoBodnar> gn guys
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[22:19] <LeoBodnar> Good night, rather!
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[00:00] --- Thu Oct 17 2013