[00:00] <DanielRichman> but then when you try to download data it gives errors
[00:00] <DanielRichman> and the predictor has cached the fact that 06z exists (and eventually recaches it each time i clear it)
[00:00] <DanielRichman> if i clear it now you might be able to make a couple of predictions before it breaks again
[00:01] <r2x0t> another issue I see a lot is stuck downloading of GFS data
[00:01] <r2x0t> sometimes switching to HD helps, sometimes not
[00:02] <r2x0t> you can leave it open in browser for an hour, but will never finish
[00:02] <Randomskk> new update today might help that detect the error and tell you
[00:04] <DanielRichman> indeed. r2x0t: try running a prediction now
[00:05] <DanielRichman> though my predictions are currently getting stuck on 'predictor currently running'; no idea why that is
[00:05] <r2x0t> yeah, just wanted to say that
[00:05] <r2x0t> download goes ok
[00:05] <r2x0t> now done
[00:05] <DanielRichman> awesome
[00:05] <r2x0t> but took like 30 sec to compute
[00:06] <DanielRichman> i tried again just now and it seems to be back-ish to normal
[00:06] <DanielRichman> ish
[00:06] <r2x0t> 2nd try was faster
[00:06] <DanielRichman> so yeah while it lasts, there you go; hopefully noaa will fix their stuff
[00:06] <r2x0t> great, thanks
[00:06] <DanielRichman> if not we might be able to patch around it
[00:07] <DanielRichman> but yeah as Randomskk mentioned; in response to the predictior hanging indefinitely today it was updated with something that will detect that, so hopefully that won't happen again
[00:07] <DanielRichman> well it's not 100% perfect, but it should detect the type of problem that we were having today
[00:08] <r2x0t> sounds good
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[00:28] <oh7lzb> Hey, we have the Finnish ham camp in Sappee this weekend, and we have a local radio station running also, 94,7 MHz FM and 1584 & 6170 kHz AM
[00:28] <oh7lzb> 94,7 MHz (300 W)
[00:28] <oh7lzb> 6170 kHz (2.5 kW)
[00:28] <oh7lzb> 1584 kHz (1 kW)
[00:28] <oh7lzb> With some luck you might hear it... if not, http://stream.ham.fi:8000/radiohami should work anyway
[00:29] <oh7lzb> I'll be a DJ there on friday and saturday night between 21 and 23 UTC
[00:30] <oh7lzb> Off-topic, but I hope you won't mind. The programming is quite different from the format radios most of the time.
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[07:57] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[08:26] <griffonbot> Received email: Martin Bud "RE: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[08:44] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[09:02] <griffonbot> Received email: navrac "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[09:04] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[09:08] <griffonbot> Received email: Colin Tuckley "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[09:13] <griffonbot> Received email: navrac "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[09:14] <nosebleed_> is it possible to have the hab predictor in 3D ? google maps support altitude.
[09:15] <griffonbot> Received email: Martin Bud "RE: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[09:16] <fsphil> you can export a kml file nosebleed_, google earth can load that
[09:17] <griffonbot> Received email: navrac "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
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[09:17] <griffonbot> Received email: Mark Jessop "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[09:19] <navrac> I tried to use the cusf predictor to see where tomorrows launches would end up but it errored out with unrecognised dataset or similar - is anyone else having the same problem?
[09:22] <nosebleed_> fsphil, how to export the kml ?
[09:22] <numbe10> hi fsphil - I downloaded dl-fldigi-3.21.43-3_setup.exe - cant see the payload list - any ideas? maybe chat later when you are home from work
[09:24] <numbe10> mind you I can see it in the dlclient configure tab
[09:24] <fsphil> I'm on holiday numbe10 :)
[09:24] <numbe10> great
[09:24] <numbe10> having fun?
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[09:25] <fsphil> still in bed :)
[09:25] <fsphil> I've been amazingly lazy
[09:25] <numbe10> lol - WAKE UP
[09:25] <fsphil> are you starting it in HAB mode?
[09:25] <fsphil> nosebleed_: top right, there's a KML link in blue
[09:25] <SpeedEvil> I need an indoor quadcopter that can fetch me stuff without getting out of bed.
[09:26] <fsphil> there's also CSV
[09:26] <numbe10> ah - I didnt load the shortcuts so probably not
[09:26] <nosebleed_> fsphil wait
[09:26] <fsphil> yea I built the beta fairly quickly so it might be missing things
[09:26] <fsphil> although the icons should be there
[09:27] <fsphil> predictor just ran ok for me navrac
[09:27] <fsphil> although that was for a launch here
[09:27] <fsphil> nice prediction too, sadly no notam yet
[09:28] <griffonbot> Received email: navrac "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[09:29] <navrac> yep it runs fine here too now
[09:29] <nosebleed_> fsphil, found it
[09:29] <nosebleed_> fsphil, this should help CAA
[09:30] <fsphil> aah, good idea
[09:30] <nosebleed_> they just called me from CAA and they told me they passed my request to the highest level guy in athens
[09:30] <nosebleed_> and that he is the one to approve
[09:30] <numbe10> fsphil: all ok now - just re-installed it with the shortcuts
[09:30] <nosebleed_> and I run a prediction for next thursday: http://habhub.org/predict/#!/uuid=33de54d28950497d8303712dbb5a2f7ae1756d4c
[09:30] <nosebleed_> and its the best ever prediction.
[09:31] <fsphil> lol, that'll be a short chase
[09:31] <fsphil> last nights would have done that here
[09:31] <navrac> looks good - dont have to travel far to recover
[09:32] <fsphil> I really hope I get to launch before these winds change too much
[09:32] <nosebleed_> yes
[09:32] <nosebleed_> augustian winds suck
[09:32] <nosebleed_> man
[09:33] <nosebleed_> the 3D looking
[09:33] <nosebleed_> is fucking awesome
[09:41] <fsphil> I'd better get some breakfast!
[09:42] <fsphil> this is so much better than cursing a printers :)
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[09:57] <griffonbot> Received email: David Akerman "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[09:58] <gonzo_> that really sounds more like a band name than a weather related coment
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[10:19] <fsphil> scary, two sunny days in a row
[10:22] <daveake> Not sure we've had 2 consecutive hours here
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[10:24] <WillDuckworth> all ready for tomorrow daveake?
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[10:26] <daveake> hahahaa
[10:26] <daveake> webcam died
[10:26] <WillDuckworth> oh no - any joy on a replacement?
[10:27] <daveake> Yeah, PCWorld had then heavily discounted :)
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[10:27] <daveake> So I got 2
[10:27] <WillDuckworth> those C270 s?
[10:27] <daveake> Yes
[10:27] <daveake> £12-something
[10:28] <staylo> C270s are nice, just very soft at the edges
[10:28] <daveake> Not sure if it died or was killed ... I supply 5V and 3V3 separately to the Pi and I'm not sure if the Webcam didn't like it when the 5V stopped with the 3V3 still running
[10:28] <daveake> The images are only 400--odd pixels across
[10:28] <daveake> So not sure how much that matters
[10:29] <daveake> The colours are less vibrant than on my expensive webcam, but I think it's pretty good for the money
[10:29] <staylo> yeah, good point :) Are you using the mjpeg feed or YUV?
[10:29] <daveake> Some from yesterday here - http://sanslogic.co.uk/ssdv/live
[10:29] <griffonbot> Received email: Ed Moore "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[10:29] <WillDuckworth> good stuff - what module do they load? uvc?
[10:29] <daveake> YUV stills, using fswebcam
[10:30] <daveake> Forget the module but it has a "4" in it :p
[10:30] <WillDuckworth> liking the tree surgeon tshirt
[10:31] <daveake> :)
[10:31] <daveake> So I have a spare Pi, an I'm modding that up now, same as the first except I'll leave the 3.3V regulator in place and supply just 5V from the batteries (via another, external regulator)
[10:31] <daveake> So I'll have 2 complete trackers in case one fails
[10:31] <WillDuckworth> that's the way i've got mine going
[10:31] <WillDuckworth> ext 5v
[10:32] <SpeedEvil> If you supply 3.4V externally - the 3.3 reg should drop out with no mods
[10:32] <daveake> I was worried about the heat from the onboard regulator
[10:32] <daveake> Yeah but you need 5V for the USB
[10:32] <SpeedEvil> I mean with a seperate reg
[10:32] <daveake> I've got some glue-on heatsinks and one is going on the reg now
[10:32] <daveake> Ah, OK
[10:32] <daveake> Wasn't sure if it was OK to leave in circuit
[10:33] <daveake> Comes off easily enough
[10:33] <SpeedEvil> that's the better way
[10:35] <nosebleed__> hmm, how to know my decent rate guys?
[10:36] <daveake> Aim for 5m/s at landing
[10:36] <daveake> http://ukhas.org.uk/guides:parachute_sizing_chart to choose the chute size
[10:37] <daveake> I use the lower solid line and that works out at 5m/s with a Spherachute
[10:39] <eroomde> aaaaargh at that chart
[10:39] <eroomde> but nevermind
[10:39] <daveake> :)
[10:41] <UpuWork> lol
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[10:45] <eroomde> UpuWork: you might know this
[10:45] <eroomde> do you know where once can buy something like a 300m spool of cat 5 (or generic unshielded twisted pair) already on a drum?
[10:45] <UpuWork> It comes in boxes
[10:45] <eroomde> the kind of thing with a handle that you can wind in and out like those big extension loads or gardon hoses
[10:45] <fsphil> 304m usually
[10:46] <eroomde> sure i can buy it naked, i'm wondering if someone it can come pre-drummed
[10:46] <fsphil> I've never seen one with a handle
[10:46] <UpuWork> never seen it with a handle but the boxes are designed to reel out
[10:46] <UpuWork> sec
[10:46] <eroomde> reversibly?
[10:46] <fsphil> woo, weather forecast for weekend is good. should be able to track these flights with the yagi
[10:47] <eroomde> basically i'm thinking for field deployments of netork things like a rocket launcher or a rocket test stand
[10:47] <UpuWork> they should be fine but the boxes don't want to get wet
[10:47] <eroomde> but presumably with the boxes you can't reel them back in?
[10:47] <fsphil> not easily
[10:47] <UpuWork> no
[10:48] <UpuWork> https://www.dropbox.com/s/mhc1vuqrgfev5fz/2012-07-13%2011.47.01.jpg
[10:48] <eroomde> indeed
[10:48] <eroomde> so that's what i'm after
[10:48] <UpuWork> but you don't want to be doing that anyway
[10:48] <eroomde> for field equipment
[10:48] <UpuWork> CAT5 isn't meant to be unreeled/rereeled
[10:48] <gonzo_> most network cables are solid core, so you don't want to be repeatably rolling it
[10:48] <UpuWork> what gonzo_ said
[10:48] <gonzo_> snap
[10:48] <gonzo_> (literally!)
[10:49] <eroomde> maybe not cat5 cable then
[10:49] <Randomskk> use wireless :P
[10:49] <gonzo_> would not a wireless bridge be a better bet
[10:49] <UpuWork> what distance eroomde and what are you sending over it ?
[10:49] <eroomde> 300m
[10:49] <eroomde> but no i don;t want wireless
[10:50] <eroomde> not for things like a rocket launch control
[10:50] <UpuWork> rotator control cable is fairly beefy stuff
[10:50] <eroomde> it won;t necessarily be ethernet going over it y'see
[10:50] <UpuWork> 7 core
[10:50] <gonzo_> there's some nice 5GHz kit avail now.
[10:50] <eroomde> not using wireless
[10:50] <eroomde> fin
[10:50] <Randomskk> pay enough and you can definitely get decent cable though anything is going to be affected by repeated rolling/unrolling
[10:50] <Randomskk> maybe single strand fibre
[10:51] <Randomskk> not ideal if you want just some electrical wires admittedly :P
[10:51] <gonzo_> Ah, just get some half decent stranded core cable and buy a cable reel
[10:51] <nick_> eroomde: stick a webcam on the rocket and use computer vision to teach it semaphore...
[10:51] <eroomde> yes i suspect that will end up being the solution
[10:51] <eroomde> gonzo_ rather than nick_
[10:51] <nick_> good timing
[10:52] <fsphil> hehe
[10:52] <gonzo_> as an aside though, old cat5 is only speced for 70mtrs or so for a single run
[10:52] <gonzo_> not sure of cat6
[10:53] <gonzo_> we looked at it as a possabiility for a tempm link to get around some trees that were stopping us using wlan on a contest site
[10:53] <UpuWork> 125 meters however thats for 1Gb/sec
[10:53] <UpuWork> if you drop to 10Mb/sec I suspect you can go alot further
[10:53] <gonzo_> ah, improving then
[10:53] <eroomde> twas my thinking
[10:53] <gonzo_> the tech moves quicket than me
[10:54] <SpeedEvil> gonzo_: stranded core is worse for long distance
[10:55] <gonzo_> at those freqs/speeds I exxpect atten will become a signiificant issue
[10:55] <nick_> I wonder if you could set up a wireless network that was basically some coloured LEDs in the corner of a room blinking away and have the computers watch it
[10:55] <gonzo_> at 10base you could get away with wet string
[10:55] <SpeedEvil> nick_: yes
[10:56] <nick_> Or better yet just LED lighting for the room with PWM
[10:56] <gonzo_> make the colour IR and you have it already
[10:56] <nick_> So that people can't tell there's a signal but your computer can
[10:56] <SpeedEvil> Someones patented that
[10:57] <nick_> lame
[10:57] <nick_> patents suck!
[10:57] <nick_> Says the guy who couldn't afford to get one
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[11:05] <nick_> I was looking at how people use the NXT2 with an arduino.
[11:06] <nick_> And basically you switch the NXT2's input voltage between two values
[11:06] <Darkside> yup
[11:07] <nick_> How does the voltage relate to the frequency change?
[11:07] <Darkside> so the NTX2 is a voltage controlled oscillator
[11:07] <Darkside> variations in input voltage change the output frequency
[11:08] <griffonbot> Received email: Martin Bud "RE: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[11:08] <nick_> Is there an equation to relate the frequency and voltage?
[11:09] <Darkside> nick_: probably, but it'll also depend on the device to some point
[11:10] <eroomde> i don't understand what he wants funding for
[11:10] <Darkside> lol
[11:10] <M0JSN> me neither
[11:11] <eroomde> we had a look at green parachutes before
[11:12] <eroomde> they'd be fine for hab as you don;t need anything special
[11:12] <eroomde> but there was nothing that was green that wasn't shit, from a performance pov, where performance matters
[11:12] <nick_> Darkside: so I should just play around with it?
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[11:13] <Darkside> sure
[11:13] <nick_> Do people do multiple side band signals?
[11:13] <nick_> Or can they?
[11:13] <Darkside> not withthe NTX2
[11:13] <nick_> Why?
[11:13] <fsphil> you mean AM?
[11:14] <Darkside> nick_: the NTX2 is just a carrier generator that can be modified inf requency
[11:14] <nick_> AM with a few discrete bands
[11:14] <Darkside> you can't do AM with it
[11:14] <nick_> No, FM
[11:14] <Darkside> well you could do FM, just be feeding audio into the TXD pin
[11:14] <nick_> BAsically instead of giving the NTX2 two voltages to switch between, give it N
[11:14] <fsphil> ye[
[11:14] <fsphil> p
[11:15] <fsphil> I've transmitted audio over them before, and I know the CUSF guys have done the same for sstv
[11:15] <Darkside> yeah
[11:15] <nick_> So of you switched between 8 frequencies you could transmit a byte each cycle
[11:15] <fsphil> it is a bit low power for that purpose though, you'd need a good antenna on the ground
[11:16] <fsphil> you'd need 256 frequencies
[11:16] <nick_> Oh, yeah
[11:16] <nick_> I don't really mean a byte
[11:16] <Darkside> nick_: MFSK does this kind of thing, and its possible to do that
[11:16] <nick_> I mean 8 values
[11:17] <Darkside> i think most of the MFSK demodulators and things require good frequency stability
[11:17] <Darkside> which the NTX2 does not have
[11:17] <nick_> I guess the limiting factor is the resolution of the bands?
[11:17] <fsphil> yea
[11:17] <fsphil> we had trouble with dominoex due to the shift not being perfect
[11:17] <nick_> Could you lose one band and use that as a reference to remove shift?
[11:17] <fsphil> although it mostly worked, I wouldn't trust tracking a flight with it
[11:18] <fsphil> it's the shift between carriers
[11:18] <nick_> So every N cycles you transmit on that band and people use that as a reference for the next n shifts?
[11:19] <Darkside> nick_: i think the mainr eason people stick with RTTY is that there's a good demodulator available for it, frequency drift and tone spacing can be fixed on the ground easily, and it packs the most pwoer into a narrow bandwidth
[11:19] <fsphil> it's the difference between F+0 and F+1, etc
[11:19] <fsphil> it should match the baud rate
[11:19] <fsphil> or symbol rate
[11:20] <fsphil> actually I might be wrong there, is it symbolrate / 2?
[11:21] <Darkside> whoops wrong channel
[11:21] <eroomde> you want #international-rescue
[11:21] <Darkside> heh
[11:22] <fsphil> #superheros
[11:22] <fsphil> Darkside has a costume and everything
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[11:25] <nick_> On the battery being toxic side of things, could you somehow enclose the battery in such a way as to stop the sea degrading it?
[11:25] <nick_> So whilst it will be litter it won't be leaking anything nasty
[11:25] <Randomskk> on a short timescale perhaps
[11:26] <Randomskk> but ultimately not really
[11:27] <Randomskk> honestly though
[11:27] <Darkside> the lithium batteries wouldn't leak that much nastu stuff woudl they?
[11:27] <Randomskk> total volume of a lipo / total volume of the oceans
[11:27] <Randomskk> 5.6E-24
[11:27] <nick_> yeah
[11:27] <Darkside> the lithium will decompose into hydrogen and lithium oxide wouldn't it?
[11:28] <Randomskk> homeopathic dilution: ranges from 1E-24 to 1E-26 or so
[11:28] <Darkside> Randomskk: !!!!
[11:28] <Darkside> well obviously we should be using seawater for payload batteries
[11:28] <nick_> But the whole ocean isn't exposed to your battery
[11:28] <Darkside> it'd be SUPER effective
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[11:28] <Randomskk> nick_: in the long run it is
[11:28] <nick_> I assume they sink and sit relatively still
[11:28] <Randomskk> don't know if the same can be said for the water
[11:29] <nick_> So what you reall worry about is whether that contamination is enough to screw up the local life.
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[11:29] <griffonbot> Received email: David Akerman "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[11:30] <Randomskk> isn't lithium an antidepressant anyway?
[11:30] <Darkside> Randomskk: so we should be telling everyone who is concerned to go drink seawater
[11:30] <daveake> I've never seen a sad whale
[11:30] <Darkside> you see
[11:30] <Randomskk> there we go then
[11:31] <Darkside> we don't have these water problems in australia
[11:31] <Darkside> well
[11:31] <Darkside> not as much
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[11:31] <daveake> I think some people literally need a sense of proportion here
[11:32] <Randomskk> to be fair with some things a little does go a long way
[11:32] <Randomskk> e.g. if I was dropping a lipo's volume worth of arsenic, that would be worth not doing
[11:32] <daveake> yep
[11:32] <Randomskk> though even then possibly not...
[11:32] <daveake> :)
[11:33] <daveake> Apparently seawater contains quite a lot anyway
[11:34] <Randomskk> seawater contains a lot of everything tbh
[11:34] <Randomskk> part of why sea salt used to be great for getting trace nutrients
[11:36] <griffonbot> Received email: Ed Moore "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[11:36] <Darkside> yay eroomde
[11:37] <daveake> :)
[11:38] <UpuWork> unleashed
[11:39] <eroomde> i'd be very interested if you were to plot a scatter diagram of environmental concerns vs innumeracy
[11:39] <Randomskk> well
[11:39] <Randomskk> that might be interesting but in my experience it's more the people who are concerned about tiny things with no impact
[11:40] <Randomskk> e.g. turning off TV, sky box, games console rather than going into standby
[11:40] <eroomde> exactly
[11:40] <Randomskk> that ^ really bugs me
[11:40] <eroomde> it's trivial things
[11:40] <Randomskk> not least because it can end up using more power anyway, and if you buy one of those stupid timer boxes that turn things off automatically
[11:40] <Randomskk> the energy to make the box far exceeds your savings AND the big spikes and surges they cause can break your expensive high energy stuff anyway
[11:40] <Randomskk> PLUS standby current is SO miniscule anyway...
[11:41] <Randomskk> skipping one shower more than makes up for a lifetime of devices on standby
[11:41] <eroomde> it's all just pissing in the wind
[11:41] <fsphil> but then people don't want to sit next to you
[11:41] <eroomde> this is what i mean by innumeracy
[11:41] <Randomskk> yea
[11:41] <eroomde> if you can't make quantitative comparisons, you have no business opening your mouth
[11:41] <eroomde> would be my law
[11:41] <Randomskk> it's highly frustrating because they're doing it with a sense of moral imperative and superiority too
[11:42] <eroomde> akin's law of spacecraft design: "Engineering without numbers is opinion"
[11:43] <Randomskk> indeed
[11:43] <UpuWork> whilst I'm on the subject Thursday the 12th is just as common as Friday ther 13th
[11:44] <Randomskk> don't even get me started on people's intuitive understanding of statistics and probability
[11:44] <eroomde> in Without Hot Air (which is a book i think most people should read) mackay quotes a whole bunch of stuff politicians have said, and summarises it with 'We are inun-
[11:44] <eroomde> dated with a ood of crazy innumerate codswallop."
[11:44] <Randomskk> good ligature there
[11:45] <eroomde> funcky huh
[11:45] <Randomskk> yea
[11:45] <UpuWork> your last recommendation was good so I'll take that one too
[11:46] <eroomde> it's the best written book on energy policy *assuming* climate change (i.e. it doesn't tackle cimate change itself) that has ever been written, I think
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[11:46] <eroomde> by a lecturer i once had
[11:47] <eroomde> http://www.inference.phy.cam.ac.uk/withouthotair/
[11:47] <eroomde> tis free on the net by it's a very nice book to have a physical copy of too
[11:47] <eroomde> lots of good illustrations
[11:49] <UpuWork> http://www.kickstarter.com/projects/575960623/ardusat-your-arduino-experiment-in-space?ref=category
[11:50] <Darkside> i really hope they're building on an existing cubesat platform
[11:50] <Darkside> AVR based coprocessors, sure, no probs, been there done that
[11:50] <Darkside> but the platform controller should be rad hardened
[11:50] <Darkside> even in LEO
[11:51] <eroomde> does it need to by physicalled rad hardened?
[11:51] <Randomskk> you'd hope they'd know about that
[11:51] <eroomde> or can you just make it hardened from a systems pov?
[11:51] <Randomskk> but the number of people who should know about these space things and don't...
[11:51] <Randomskk> eroomde: either, depends
[11:51] <Darkside> good, they are
[11:51] <UpuWork> There is a mail from Oliver on the current thread, I'm not sure I want to release it as I think he's being Roger Irrelevant again but if anyone else wants to release it be my guest
[11:51] <SpeedEvil> eroomde: I was ages back looking at making a system based on the AMD K6
[11:51] <Randomskk> e.g. at SSTL where they plan to launch a phone into space...
[11:51] <SpeedEvil> eroomde: It supported 'bus snoop' mode.
[11:52] <Darkside> eroomde: it helps
[11:52] <SpeedEvil> eroomde: you wire a processor across another, and it raises a flag on errors
[11:52] <eroomde> UpuWork: i don't think we should moderate threads like that actually
[11:52] <eroomde> it's up to the group
[11:52] <Randomskk> this one guy has spent days and days rewriting the android kernel to store all memory in triplicate and vote to detect errors
[11:52] <Randomskk> obviously the best way to do it
[11:52] <Darkside> eroomde: you can do things like multiple processors and so on
[11:52] <Darkside> but rad hardened micros aren't that hard to come by
[11:52] <BrainDamage> you can even get micros that automatically crc the ram
[11:52] <Darkside> really?!
[11:53] <SpeedEvil> There are PC chipsets that do that
[11:54] Action: SpeedEvil waits for the knock on the door with his nexus 7.
[11:54] <SpeedEvil> It's been 2 weeks. You said 2-3 weeks.
[11:54] <Randomskk> I'm also eagerly awaiting mine
[11:54] <SpeedEvil> Not even a tracking number yet.
[11:54] <Randomskk> but no ship notification yet
[11:54] <Darkside> interesting
[11:54] <eroomde> UpuWork: if it's spam or abuse or whatever, moderate it. But i think anything more than that should be discouraged and I don't think it's anyone's place to decide who can and can't speak
[11:54] <Darkside> the nanomind thing is an Atmel ARM7
[11:54] <SpeedEvil> I would not be astonished at 4 weeks
[11:54] <UpuWork> fair comment he got put on mod as he was totally off topic , I'll release it
[11:55] <Randomskk> eroomde: I dunno
[11:55] <Randomskk> it's not a free for all discussion list
[11:55] <fsphil> I'm looking forward to see what hacks people do for the nexus 7
[11:55] <Randomskk> moderation is generally the key to stop communities going totally off track
[11:55] <UpuWork> its sort of on topic
[11:55] <eroomde> i should have added then, spam, abuse or wildly off topic
[11:55] <UpuWork> I'll release it, but the idea its a low volume list for for discussions about enviromental issues, thats what here is for
[11:55] <griffonbot> Received email: Jonathan Askey "[UKHAS] ardusat"
[11:55] <griffonbot> Received email: "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[11:56] <UpuWork> not for
[11:56] <UpuWork> god my typing is tragic today
[11:56] <eroomde> and in the latter case accompanied by several direct warning emails
[11:56] <Randomskk> agreed though people do keep wanting to use the list for that sort of thing
[11:56] <Randomskk> eroomde: he's had so many warning emails
[11:57] <eroomde> direct personal ones saying 'you will be moderated if you carry on like this'?
[11:57] <Randomskk> yes
[11:57] <Randomskk> from more than one list moderator
[11:57] <eroomde> fair enough
[12:00] <Darkside> im surprised they're using an ARM7
[12:00] <Darkside> i wonder what the feature size is
[12:00] <M0JSN> thanks for that email eroomde, needed a laugh
[12:01] <Darkside> yay ed
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[12:04] <daveake> UpuWork - You can avoid all that silly sea-landing stuff quite easily if you can manbage to overfly London ... http://www.bbc.co.uk/news/uk-18823653
[12:05] <kokey> daveake: and they can deploy those rockets too
[12:05] Action: daveake adds rocket detection code to his image selector
[12:05] <BrainDamage> or setup a satellite laser weapon that burst the balloon if it starts drifting to dangerous areas
[12:05] <Randomskk> yea vaporising the lithium is probably the way to go
[12:05] <fsphil> "The highest level of government makes that decision." -- that's it, we're doomed
[12:05] <SpeedEvil> Randomskk: Fuse it to harmless elements.
[12:05] <UpuWork> I hope they are using ecofriendly surface to air missiles
[12:06] <UpuWork> ones that explode in tuna friendly responsibly farmed potpourri
[12:06] <daveake> This could be the last image it sends ... http://www.hotwarprep.com/Copy_of_Purchased_Incoming_Rocket_iStock_000000393292Small.jpg
[12:06] <UpuWork> that missile would have to miss and it be hit by the one fired 7 mins later
[12:06] <fsphil> lol, was just gonna say
[12:07] <daveake> If it hits the balloon, not the payload, no problemo
[12:07] <Darkside> we overflew canberra (at 38km)
[12:07] <Darkside> but this is australia, they probably didn't even know it was there
[12:07] Action: daveake adds radar detector and automatic cutdown
[12:08] <nick_> Do you guys know if there are rules about small UAVs?
[12:08] <SpeedEvil> nick_: You're in the UK?
[12:08] <nick_> yes
[12:08] <griffonbot> Received email: Martin Bud "RE: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[12:08] <Randomskk> many rules.
[12:08] <SpeedEvil> nick_: You basically need to treat it like a small RC vehicle
[12:08] <nick_> Which means?
[12:08] <SpeedEvil> It needs to be in direct view all the time - and under a given altitude
[12:08] <SpeedEvil> 300m?
[12:08] <SpeedEvil> I forget.
[12:08] <nick_> direct view?
[12:09] <SpeedEvil> You absolutely cannot do U
[12:09] <SpeedEvil> Looking at it with unaided eyeballs
[12:09] <nick_> Crap
[12:09] <nick_> Where's the fun in that?
[12:09] <Randomskk> and there needs to be a human pilot able to take control at any time
[12:09] <fsphil> not having it drop on people?
[12:09] <Randomskk> again unaided
[12:09] <SpeedEvil> There are regulations that are for proper UAVs, that do allow non direct vision.
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[12:09] <Randomskk> also you can't overfly large groups of people
[12:09] <Randomskk> or urban areas
[12:09] <daveake> UpuWork - NOTAM has been done
[12:09] <Randomskk> or some other things
[12:09] <fsphil> git
[12:09] <SpeedEvil> But they are basically hideously expensive to do.
[12:09] <fsphil> I mean, well done daveake
[12:10] <daveake> lol
[12:10] Action: fsphil checks email
[12:10] <SpeedEvil> The keys are right next to each other.
[12:10] <fsphil> ah well
[12:10] <nick_> What about the glider someone launched once?
[12:10] <daveake> I just check AIS
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[12:10] <fsphil> aah yes
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[12:10] <SpeedEvil> nick_: Gliders are also not really allowed.
[12:10] <daveake> The email from DM is always the last thing to land, after AIS or a call from a pilot
[12:11] <SpeedEvil> nick_: Guided parachutes - rolagos and friends - are in a sort-of-loophole
[12:11] <fsphil> I googled my mobile number, that brought up my old notams
[12:12] <daveake> :)
[12:12] <nick_> SpeedEvil: where can I find the rules?
[12:12] <SpeedEvil> nick_: I forgot.
[12:12] <daveake> I used to watch notaminfo.com. but that can be quite slow to update
[12:13] <SpeedEvil> http://www.caa.co.uk/default.aspx?CATID=1995
[12:13] <SpeedEvil> looks relevant
[12:13] <SpeedEvil> You want ones that are excluded from this regulation as they're too small
[12:15] <nick_> http://www.caa.co.uk/application.aspx?catid=33&pagetype=65&appid=11&mode=detail&id=415
[12:15] <nick_> Is what some googling around found me
[12:16] <nick_> Thanks for the info though
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[12:16] <Darkside> what does 100 pounds get in terms of secondhand scanners in the UK
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[12:18] <griffonbot> Received email: Ed Moore "Re: [UKHAS] Possible Launches on 14th/15th June from Brightwalton in Berkshire"
[12:19] <eroomde> on that note, time for some cling-film covered lunch
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[12:19] <LazyLeopard> ;)
[12:19] <LazyLeopard> The pizza I had came on a polystyrene base...
[12:20] <SpeedEvil> http://www.caa.co.uk/application.aspx?catid=33&pagetype=65&appid=11&mode=detail&id=226 - see 166 on page 129
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[12:21] <SpeedEvil> As I understand it, that's a proposal not yet law.
[12:21] Action: SpeedEvil gives up.
[12:21] <SpeedEvil> - your link
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[12:58] <nosebleed__> fsphil, ideal flight on 19th. http://imagebin.org/220613
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[13:24] <nick_> UpuWork: do the GPS modules just keep sending out the NMEA string on the serial interface?
[13:24] <nick_> Or do you need to send a message to the module to trigger the reply?
[13:24] <Darkside> depends how you want to do it
[13:24] <Darkside> they'll send out standard NMEA by default
[13:24] <daveake> Unless programmed, they all spew NMEA until told otherwise
[13:24] <Darkside> but you need to put the ublox modules into airborne mode
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[13:25] <nick_> By spew you mean keep sending it out frequently?
[13:25] <Darkside> a few of us use the ublox modules in polled mode
[13:25] <Darkside> every second
[13:25] <nick_> OK
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[13:25] <nick_> Can someone link me to the docs for setting the mode, etc?
[13:26] <nick_> Unless I just skimmed over it in the data sheet?
[13:26] <nick_> Oh, ignore my stupidity
[13:26] <nick_> There's a link under the data sheet about the protocol spec
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[13:38] <gonzo_> was that CAA doc the bit refering to 'Small unmanned aircraft'?
[13:38] <Darkside> nick_: also ukhas wiki
[13:39] <Darkside> even has code iirc
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[13:43] <tomm_> hey i'm back from yesterday, i cant seem to fit my ntx2 on the breadboard, everythings getting in the way
[13:44] <nick_> gonzo_: I didn't get a chance to read it yet
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[13:54] <nick_> Oof, reading it might be a pain
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[14:03] <nick_> Hmm
[14:04] <nick_> There's an annoying distinction between UAVs used for "surveillanec or data acquisition"
[14:05] <nick_> And those that aren't.
[14:06] <nick_> I assume this is because you need permission to be able to spy on people, but any UAV will require some DAQ
[14:22] <SpeedEvil> Pretty much.
[14:22] <SpeedEvil> Even if it doesn't have a camera.
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[14:53] <nick_> I wonder if there's a "for science!" loophole.
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[15:01] <SpeedEvil> read it
[15:02] <SpeedEvil> 'public transport'
[15:02] <SpeedEvil> -> mapping for openstreetmap public transport.
[15:06] <nick_> What does "aerial work" mean?
[15:09] <SpeedEvil> anything done more than pure enjoyment
[15:10] <SpeedEvil> So benefiting in any way from flying.
[15:12] <nick_> :S
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[15:15] <costyn> hi
[15:15] <costyn> what is meant by 'streamer' here http://ukhas.org.uk/guides:parachute_sizing_chart
[15:15] <costyn> just a piece of cloth to slow down the payload?
[15:22] <fsphil> I read that as "what is meant by 'summer here"
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[15:37] <costyn> hehe
[15:38] <fsphil> that's my understand of streamer too costyn
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[15:45] Nick change: fsphil-laptop -> fsphil
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[16:13] <tomm_> hey, how do i setup dlfigi to test my tracker?
[16:13] <tomm_> im using a dongle, ive got sdr# working
[16:15] <craag> tomm_: You'll need to pipe the audio from sdr# into dl-fldigi
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[16:15] <craag> If you're just testing a local tracker, then you can connect an uadio cable from line-out to line-in on your pc :p
[16:16] <craag> For proper tracking you should use software such as Virtual Audio Cable (Assuming you're on windows)
[16:17] <tomm_> im using vac, ive set it up under control panel
[16:17] <tomm_> i just cant seem to get dlfigi working
[16:17] <craag> Ah ok, can't help you on that I'm afraid.
[16:17] <craag> It not seeing the audio?
[16:17] <craag> (dl-fldigi)
[16:18] <tomm_> the waterfall is empty
[16:18] <craag> Ok, and you can hear the signal for sdr#?
[16:18] <craag> *from sdr#
[16:19] <navrac> iif you select configure>soundcard from the menu - is it showing the vac as the input device?
[16:19] <tomm_> did that, got a waterfall now, thanks.
[16:19] <navrac> no probs
[16:20] <tomm_> jhavent got two lines though, how do i know if my trackers working?
[16:20] <tomm_> or its the dongles fault?
[16:20] <navrac> in sdr can you see the two lines in the waterfall#
[16:20] <Randomskk> probably needs tuning if not
[16:21] <navrac> make sure you have the sdr set to usb and the 2 lines in the tuning band
[16:21] <tomm_> im getting loads of peaks with one big trough on sharp
[16:22] <tomm_> and how do i tune dlfldigi?
[16:22] <navrac> it should look like two peaks seperated by a few hundered hertz
[16:22] <tomm_> actually
[16:22] <tomm_> i'll screenshot
[16:22] <navrac> click on the red lines and drag them over the lines from the payload
[16:22] <tomm_> give me a minute
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[16:26] <tomm_> http://i.imgur.com/O9pm5.jpg
[16:26] <tomm_> thats what im seeing in sdr#
[16:26] <Randomskk> maybe that's okay. pretty awfully noisyt
[16:26] <fsphil> looks quite fast
[16:27] <Upu> tomm if you turn the radio off does that lot disappear ?
[16:27] <tomm_> i'll try it
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[16:29] <navrac> those peaks look a few hundred hz apart so could be a tracker - lots of noise though
[16:29] <Upu> its a 650 NTX2
[16:29] <Upu> sdr might be out though
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[16:31] <tomm_> http://i.imgur.com/gi7YF.png
[16:31] <tomm_> turned the arduino off, thats what im getting
[16:31] <Upu> doesn't look correct
[16:31] <Upu> what dongle is it ?
[16:32] <Upu> RTL ?
[16:32] <navrac> err that doesnt look right - the signal levels are far too high
[16:32] <Upu> in front end drop down select RTL
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[16:32] <tomm_> its an ezcap dvb tfmdab
[16:32] <navrac> lol yep you havent selected the device for the front end - nice spot upu
[16:32] <tomm_> wait
[16:33] <tomm_> youre right
[16:33] <tomm_> d'oh
[16:33] <tomm_> i selected ikt the first time i ran it, then forgot to reselect
[16:33] <tomm_> let me try the arduino again
[16:34] <tomm_> ok i uplaoded the example rtty code, no peaks :(
[16:35] <navrac> are you on the right freq and not just seeing an image
[16:35] <tomm_> wait, i have one
[16:36] <tomm_> screenshot
[16:37] <tomm_> http://i.imgur.com/DDz7p.png
[16:38] <tomm_> thats what im seeing now, arduino on
[16:38] <tomm_> theres a lot of orange backround
[16:38] <Upu> thats more like it
[16:39] <Upu> you can reduce that by sliding the contrast down
[16:39] <Upu> expand fft
[16:39] <Upu> and increase the resolution
[16:39] <Upu> and zoom in a little
[16:39] <Upu> that might just be a carrier
[16:39] <tomm_> got a red line on blue
[16:39] <Upu> ok
[16:39] <Upu> whats the code meant to do ?
[16:39] <tomm_> carrier?
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[16:40] <tomm_> transmit rtty test, i think its yours (upu?)
[16:40] <tomm_> in the ntx2 guide
[16:40] <Upu> ok
[16:40] <Upu> zoom in
[16:40] <tomm_> ok
[16:40] <Upu> and increase the resolution
[16:40] <Upu> so we can see if it looks ok
[16:40] <Upu> should do the hilo test first really
[16:40] <tomm_> increase screenshot resolution?
[16:41] <Upu> pls
[16:41] <mattbrejza> that may not be the transmitter, the SNR looks too low
[16:41] <mattbrejza> and by resolution you mean FFT size?
[16:41] <mattbrejza> fft resolution as its called in sdr#
[16:41] <Upu> well its called resolution under SDRSharp
[16:42] <Upu> yup
[16:42] <Randomskk> it is the resolution in a sense
[16:42] <Upu> back in a sec
[16:43] <tomm_> cant find a resolution option?
[16:43] <mattbrejza> expand fft
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[16:47] <tomm_> http://i.imgur.com/MAnm1.png
[16:47] <tomm_> expanded fft
[16:47] <tomm_> increased red
[16:47] <tomm_> *res
[16:47] <mattbrejza> yea that should decode
[16:47] <mattbrejza> you might have to click revserse in fldigi, it looks like you idle low instead of idle high
[16:47] <tomm_> ok
[16:48] <tomm_> when i start fldigi
[16:48] <tomm_> what do i do to tune it and stuff
[16:48] <mattbrejza> its the button labeled 'Rv' bottom right
[16:48] <tomm_> ok im using hab mode
[16:48] <mattbrejza> can you see the waveform appear on the waterfall?
[16:48] <mattbrejza> should be a single line with two lines 30% of the time
[16:49] <tomm_> theres no rv?
[16:49] <tomm_> there is, its unclkickable
[16:49] <mattbrejza> i might have an old version
[16:49] <tomm_> ok
[16:49] <mattbrejza> its next to Store, Lk, Rv, T/R
[16:49] <mattbrejza> under the waterfall
[16:49] <tomm_> found it, cant click
[16:50] <tomm_> on the waterfall is see a yeallow and blue mess :(
[16:50] <tomm_> ill screenshot
[16:50] <mattbrejza> in the audio options, ull have to tell fldigi to get its audio from stereo mix
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[16:51] <tomm_> ive put vac for both things under audio?
[16:51] <mattbrejza> actually on mine its set to microsoft sound mapper, which selects stereo mix when nothing is plugged in
[16:51] <mattbrejza> personally i dont use vac
[16:51] <mattbrejza> is stereo mix an option?
[16:52] <tomm_> no :(
[16:52] <tomm_> i'll screenshot
[16:52] <mattbrejza> odd, there should be, it might be a driver thing though
[16:53] Action: DanielRichman mutters something about pulseaudio and looks at fsphil
[16:53] <craag> It is a driver-specific thing... there on my Win7 desktop, not on my Win7 laptop.
[16:53] <mattbrejza> or http://www.howtogeek.com/?post_type=post&p=39532
[16:53] <tomm_> http://i.imgur.com/1FHBk.png
[16:53] <tomm_> thats what im seeing
[16:53] <fsphil> hehe
[16:53] <mattbrejza> apparently sometimes disabled ^
[16:53] <fsphil> PA's best feature is being able to record from output
[16:53] <mattbrejza> Rv is disabled because you havnt selected a payload or rtty modem btw
[16:55] <tomm_> ok, im using a dongle not a yaesu or anything, so i followed the guide to install vac. how do i select a payload?
[16:55] <mattbrejza> the top left box 'flight' selects a payload, but the audio side of things isnt set up right
[16:55] <mattbrejza> never used vac before...
[16:56] <tomm_> im seeing a list of other peoples payloads, which one should i choose?
[16:57] <tomm_> how can i fix the audio things?
[16:58] <mattbrejza> did the link above about stereo mix not work?
[16:59] <tomm_> just about to try
[17:02] <tomm_> now im getting no waterfall at all, just enabled stereo mix :(
[17:03] <mattbrejza> can you hear the rtty?
[17:04] <mattbrejza> and is fldigi now set to use stereo mix (or windows sound mapper)
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[17:05] <tomm_> cant hear anything
[17:05] <tomm_> capture is stereo mix
[17:05] <tomm_> playback is vac
[17:06] <mattbrejza> try increasing AF gain
[17:06] <mattbrejza> you should be able to hear the rtty, assuming you have speakers, not muted etc...
[17:06] <mattbrejza> AF gain in sdr# btw
[17:10] <tomm_> the waterfall is black in figi
[17:10] <mattbrejza> if nothing is coming out of your speakers fldigi will be black too
[17:11] <mattbrejza> if you click on the speaker icon bottom right on winodows, and click mixer, does it indicate that sdr# is outputting any audio?
[17:12] <tomm_> got it now
[17:12] <tomm_> sounds like dial up
[17:12] <tomm_> god its annoying
[17:12] <tomm_> ha
[17:12] <daveake> No, it's lovely :)
[17:13] <tomm_> kshh ahhh
[17:13] <tomm_> assuming it is rtty
[17:13] <daveake> Indeed
[17:13] <tomm_> how can i check?
[17:13] <mattbrejza> now have the lines in fldigi?
[17:14] <daveake> Well, if you switch your transmitter off and it stops, then it's your transmission :)
[17:14] <daveake> Then you look for the 2 lines
[17:14] <tomm_> fldigi isnt working :( theres nothing on the waterfall
[17:14] <tomm_> i'll turn off the arduino
[17:14] <tomm_> to check
[17:14] <tomm_> fingers crossed
[17:15] <daveake> Check what audio i/p dl-fldigi is listening to
[17:15] <mattbrejza> you may need to restart fldigi if you enabled stereo mix
[17:17] <tomm_> right
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[17:17] <tomm_> uploaded blink to my arduino
[17:17] <tomm_> got a constant tone where the kshh ahh was
[17:17] <tomm_> turned the arduino off completeley
[17:17] <tomm_> now theres static
[17:18] <daveake> cool
[17:18] <tomm_> im guessing that means im transmitting?
[17:19] <daveake> Unless someone else local switched a transmitter off at exactly the same time, then yes :)
[17:19] <tomm_> ok powered it back up
[17:19] <tomm_> constant tone
[17:19] <tomm_> tuned it
[17:19] <tomm_> loaded code
[17:20] <tomm_> constant tone with dial up sound
[17:20] <tomm_> :)
[17:20] <tomm_> right i think i need to reinstall figi
[17:20] <tomm_> its messud up
[17:20] <mattbrejza> not reinstall
[17:20] <mattbrejza> just close and reopen
[17:21] <tomm_> does that have the same effect?
[17:21] <daveake> worst case you need to delete the configuration file, but try restarting first
[17:21] <daveake> I got it confused once when removing/reinstalling audio drivers.
[17:21] <mattbrejza> well if youve changed what audio devices tehre are it sometimes just needs a restart
[17:22] <mattbrejza> or the config file if stereo mix doesnt show up in the list of audio devices
[17:22] <mattbrejza> mind you selecting 'windows sound mapper' should be fine
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[17:23] <mattbrejza> brb
[17:26] <eroomde> this is how you sell an old radar dome
[17:26] <eroomde> http://www.ebay.co.uk/itm/Meditation-dome-Vortex-deflector-Dark-ley-line-sex-/270997819952?pt=UK_Metaphysical_New_Age&hash=item3f18ba9230
[17:27] <tomm_> ok
[17:27] <tomm_> i just started figi again
[17:27] <tomm_> please can someone take me through the setup, as ive never used it before, and its really confusing compared to sdr#
[17:27] <tomm_> which i must say is decently user friendly
[17:28] <tomm_> ive looked at the beginners guide
[17:28] <tomm_> but its still unclear
[17:28] <tomm_> capture is stereo mix
[17:28] <tomm_> playback is speakers
[17:28] <tomm_> flight is blank
[17:29] <daveake> Anything in the waterfall at all?
[17:29] <tomm_> empty
[17:30] <tomm_> which i assume means something is wrong
[17:30] <tomm_> earlier i had a mix of blue and yellow
[17:30] <tomm_> but never two clear lines
[17:30] <daveake> OK what changed?
[17:30] <tomm_> i changed the audio input iirc
[17:30] <daveake> OK what was it before?
[17:31] <tomm_> and the green number
[17:31] <tomm_> vac
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[17:31] <daveake> I've not set this up with the mix thing, but I have with VAC, and it's straightforward
[17:31] <tomm_> ok
[17:31] <tomm_> did youi pay for vac?
[17:31] <daveake> Just tell SDR to output to a VAC device, and dl-fldigi to listen to the same one
[17:31] <tomm_> a minute ago figi kept saying trial
[17:32] <tomm_> oh
[17:32] <daveake> I did but actually dl-fldigi is quite good at ignoring the speech on the free one!
[17:32] <tomm_> wait
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[17:32] <tomm_> i havent yet tried that
[17:32] <tomm_> give me a sec
[17:34] <tomm_> cant seem to output to vac :(
[17:35] <daveake> You don't see the selection?
[17:35] <tomm_> no :(
[17:35] <daveake> Have you stopped it playing first?
[17:36] <tomm_> yes
[17:36] <daveake> I'd restart it
[17:37] <daveake> You definitely have a VAC device in control panel?
[17:37] <tomm_> i can input vac
[17:38] <tomm_> i keep jhearing trial on speakers as well
[17:39] <tomm_> i have vac as recording device
[17:39] <daveake> And an output device?
[17:39] <tomm_> in control panel?
[17:39] <daveake> yes
[17:39] <tomm_> i have speakers as output in control panel
[17:39] <tomm_> shall i change that?
[17:39] <tomm_> i like my speakers, ha
[17:41] <daveake> In control panel --> audio --> playback devices you should have a VAC device listedc
[17:41] <tomm_> got it now, set output :)
[17:42] <tomm_> ok
[17:42] <tomm_> now ive set the figi input as vac
[17:43] <tomm_> waterfall is mainly yellow
[17:43] <tomm_> now what?
[17:43] <daveake> Turn the volume down
[17:43] <daveake> SDR has a control
[17:44] <tomm_> playing sdr now
[17:44] <tomm_> bit of red in centre of waterfall
[17:44] <tomm_> of figi
[17:45] <daveake> One line?
[17:45] <tomm_> yeah :(
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[17:45] <daveake> And does it disappear if you switch your transmitter off?
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[17:47] <tomm_> it does, waterfall is now yellow
[17:48] <daveake> OK, and what software do you have loaded on the transmitter?
[17:48] <tomm_> the example rtty code here http://ukhas.org.uk/guides:linkingarduinotontx2
[17:50] <daveake> OK, and is that one line roughly in the middle of the screen, or very close to the left or right side?
[17:50] <tomm_> let me get it running again :)
[17:51] <tomm_> now have one red line
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[17:51] <daveake> Which is ....
[17:52] <tomm_> im getting random characters on the beige bit
[17:52] <daveake> Ignore that
[17:52] <daveake> Where is the line?
[17:52] <tomm_> oh yeah sorry
[17:52] <tomm_> let me screenshot
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[17:54] <tomm_> http://i.imgur.com/NRQOM.png
[17:54] <tomm_> thats what im seeing
[17:55] <daveake> Well probably the NTX2 is wired wrong, but first, do you see 2 lines in SDR?
[17:56] <daveake> Oh sorry
[17:56] <daveake> That's in your screenshot too :)
[17:57] <daveake> In SDR, what area do you have selected in the spectrum?
[17:58] <daveake> you should reduce the "step size" in that so the spectrum isn't so blocky
[18:00] <tomm_> no, just the one
[18:00] <tomm_> so itll be my ntx2
[18:01] <tomm_> what would cause that error?
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[18:11] <daveake> Well, think about it. The NTX2 has an analog input which needs to go up and down (in voltage) to produce high and low frequencies
[18:11] <daveake> And you're apparently only getting 1 frequency
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[18:11] <daveake> So that pin is apparently not moving
[18:11] <daveake> So you need to look at the circuit that links the NTX2 with the processor pin( s)
[18:12] <daveake> Do you have a multimeter?
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[19:13] <mclane> many launches planned for the we!
[19:14] <mclane> is the weather improving in the uk?
[19:14] <mclane> it is quite lousy here in GER
[19:15] <G0DJA> In a word mclane 'No'.
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[19:18] <tomm_> hey im back, ive set the output of sdr # to vac, figi hasnt found anything on the waterfall
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[19:29] <daveake> Ah well, I suppose the HAB Helpdesk can stand down now
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[19:55] <eroomde> lucky we dont have to do this in real life
[19:55] <eroomde> JUST MAKE IT WORK!!!!?! with floods of tears
[19:56] <SpeedEvil> 'Have you tried turning it off and on again'
[19:57] <eroomde> oliver de peyer is the only man ive ever known who has chosen to keep the 'sent from my ipad' message
[19:57] <daveake> I look forward to his next flight ...
[19:58] <daveake> ... $$SENTFROMMYIPAD,....
[19:58] <daveake> Are you around tomorrow? Fancy coming along for the launch(es)?
[19:59] <eroomde> in cam tomorrow
[20:00] <eroomde> otherwise would
[20:00] <daveake> okeydokey
[20:09] <nigelvh> "Is it plugged in?"
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[20:09] <Lunar_Lander> hello
[20:13] <nigelvh> Howdy
[20:13] <G0DJA> I've managed to get something for a future flight that works, but not properly
[20:14] <G0DJA> an 808 camera keyfob, but I can't get the date/time stamp to show anything other than 2000.12.31 00:04:01
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[20:14] <G0DJA> driving me mad trying to get it to work
[20:15] <SpeedEvil> Are you stuck on the event horizon of a black hole?
[20:15] <Lunar_Lander> nigelvh, board is almost completely donw
[20:15] <Lunar_Lander> donw
[20:15] <Lunar_Lander> no
[20:15] <Lunar_Lander> done
[20:16] <Randomskk> I hate it when that happens
[20:16] <nigelvh> Fancy pants.
[20:17] <Lunar_Lander> but the green LED is strangely bright
[20:17] <Lunar_Lander> it is connected to 3.3V via 150 Ohms
[20:17] <Lunar_Lander> that worked well before
[20:18] <mattbrejza> you know when green leds are too bright because they go yellow
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[20:19] <Lunar_Lander> yea
[20:19] <Lunar_Lander> it still looks green
[20:19] <Lunar_Lander> so that seems OK
[20:19] <Lunar_Lander> next thing we did was trying to get the HIH-4030 runningh
[20:19] <Lunar_Lander> -h
[20:20] <Lunar_Lander> I brought a sparkfun StepUp that I still had and we used it to get 5V, fed that into the humidity sensor and then used a voltage divider to get the output back into arduino range
[20:20] <Lunar_Lander> but the sensor was unresponsive
[20:20] <Lunar_Lander> breathing at it or so didn't move the reading the slightest bit
[20:21] <Lunar_Lander> then we just fed it with 3.3V and the output looked the same as when running it at 5V on arduino Uno
[20:25] <Lunar_Lander> so we will run it without any modifications
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[20:35] <fsphil> what an evening, finally a bit of summer
[20:36] <Lunar_Lander> yeah
[20:36] <Lunar_Lander> thunderstorm approaching
[20:36] <fsphil> lucky
[20:36] <fsphil> clear blue skies here :)
[20:36] <fsphil> well, mostly
[20:38] <Lunar_Lander> yea
[20:38] <Lunar_Lander> I am not so lucky
[20:39] <Lunar_Lander> no probe to launch into the storm, no authorization to launch, no radar, no potential measurement devices
[20:40] <fsphil> you get a nice show
[20:41] <Lunar_Lander> xD
[20:42] <Lunar_Lander> did you read about today's work above?
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[20:56] <Lunar_Lander> fsphil,
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[21:45] <Laurenceb_> eroomde: ping
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[00:00] --- Sat Jul 14 2012