highaltitude.log.20130317

[00:00] <Lunar_Lander> hello again :)
[00:06] <fsphil> morning :)
[00:06] <Lunar_Lander> xD
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[00:29] <fsphil> woo, got jpeg
[00:29] <nigelvh> I've got lots of JPGs
[00:29] <nigelvh> Some GIFs and PNGs too
[00:29] <nigelvh> :P
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[00:30] <fsphil> ahh, but do you have IFFs?
[00:30] <nigelvh> No IFFs, but I do have a TIFF or two.
[00:31] <Lunar_Lander> xD
[00:33] <Lunar_Lander> fsphil, how did you do it?
[00:35] <fsphil> ok now I broke it
[00:35] <Lunar_Lander> oh why?
[00:37] <fsphil> oh working again
[00:37] <fsphil> weird
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[00:40] <Lunar_Lander> strange
[00:40] <Lunar_Lander> fsphil, I wish you all the best that the camera won't pull your hair like mine did
[00:40] <Lunar_Lander> :)
[00:41] <Lunar_Lander> good night!
[00:41] <fsphil> nite!
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[00:46] <fsphil> quite possibly the most boring first imae ever: http://ssdv.habhub.org/images/2013-03-17--00-43-53-SPRITE-05.jpeg
[00:46] <nigelvh> Pretty close
[00:51] <fsphil> next one was better
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[03:26] <arko> hmm i think going to the bar would be a good idea tonight
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[03:49] <arko> fsphil you're in ireland right?
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[05:35] <arko> wooot
[05:35] <arko> mic-e decoder working
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[06:30] <KT5TK> WebSDR now also works with RTLSDR dongles! See http://dl4mdw.no-ip.org:8901
[06:31] <KT5TK> This opens up a lot of options for HAB listening networks.
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[07:39] <nigelvh> Evening KT5TK
[07:40] <nigelvh> Also, side-note, I hate Java. Always with the updates, and the disabling if out of date, and the doesn't work right with different browsers...
[07:40] <netsound> :)
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[08:00] <nigelvh> Can't make up your mind daveake?
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[08:49] <daveake-tab> Still here :-)
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[09:14] <nigelvh> How's your morning treating you?
[09:20] <daveake-tab> Snow outside broken central heating boiler inside
[09:21] <daveake-tab> So, terrific
[09:21] <daveake-tab> brb need to get some wood in
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[09:25] <nigelvh> Sounds like a ton of 'fun'
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[10:15] <eroomde> snow!
[10:19] <daveake> snow!
[10:21] <number10> !snow
[10:21] <eroomde> give it time
[10:22] <daveake> snow.send(#10)
[10:22] <number10> :) no thanks send it to fsphil - he loves the stuff
[10:29] <eroomde> the archers is bloody awful
[10:30] <eroomde> it's like punishment for getting up and having breakfast too late on a sunday morning
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[10:41] <eroomde> i'm still very upset about google reader
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[10:45] <fsphil> you don't seem to be the only one
[10:47] <eroomde> no indeed
[10:47] <eroomde> disaster
[10:49] <eroomde> Upu: to save doubling up on research, have you done any work on lapel mics (wrt audio for the next conf)? I'm looking to get one and don't really know how much you need to spend just for decently intelligable audo or anything
[10:50] <fsphil> CPC have one but it's like £100 or something
[10:50] <fsphil> wireless
[10:51] <eroomde> as far as i can see you can buy them lapel bit separaterly
[10:51] <eroomde> it just terminates in a stereo jack
[10:51] <eroomde> and plug it into a wireless mic Tx or direct to a mixing desk or whatever
[10:51] <fsphil> running a few cables would work
[10:51] <eroomde> wireless is good for jumping around but i don't really need that for what i have in mind (i.e. not jumping around)
[10:52] <eroomde> but could be useful for giving presentations
[10:52] <eroomde> also i wantched a couple of talks on infoQ redcently where there is a video of the speaker and a separate synced slide display
[10:52] <eroomde> it's so bloody good
[10:53] <eroomde> as a way of digitising talks
[10:53] <DanielRichman> There's a couple of things that would have to go into doing that well
[10:53] <DanielRichman> but I guess the main one is really fast internet?
[10:53] <DanielRichman> or are you thinking for uploading later
[10:53] <eroomde> these were for uploading later
[10:53] <fsphil> both
[10:54] <eroomde> but the slides themslves (provided they're not video) shouldn't take up much additonal bandwidth over a presenter feed
[10:54] <DanielRichman> So was the synced slide display just another video, or stills?
[10:54] <eroomde> stills
[10:54] <DanielRichman> we... could do this... and it would be cool
[10:54] <eroomde> eg
[10:54] <eroomde> http://www.infoq.com/presentations/Simple-Made-Easy
[10:55] <DanielRichman> also requires a cooperating presenter laptop but I guess that's not too difficult
[10:55] <fsphil> hah, cute
[10:55] <eroomde> in that example, you can drag the video to anywhere and the slides sync
[10:56] <DanielRichman> the conf (if it's at the same time as last year?) is immediately after the summer hols, so potentially some of us have extra spare time to sort this out... (right, that's totally how it works?)
[10:56] <eroomde> that might be too gucci to be realistic, but you can get also the slides as the main video with a little picture in picture box containing the presenter
[10:56] <eroomde> which is 99% as god imo, and is completely self contained in the video, without requiring too much fancy server software
[10:58] <Upu> hi eroomde
[10:58] <Upu> no I haven't done any
[10:58] <eroomde> it just would be good to have a separate direct digitisation of the slides, rather than a video of the presentation screen, if possible, just because it's better quality, and less noisy, and probably less bandwidth
[10:58] <Upu> but I suspect you pay for what you get
[10:58] <Upu> I was going to rent a pair of Senniheiser ones
[10:59] <eroomde> yeah indeed, my brief fliratations with microphones in the past seem to suggest that
[10:59] <fsphil> yea my camera didn't handle the projector screen well at all
[10:59] <fsphil> but the room was quite bright
[11:00] <Upu> I've decided this time
[11:00] <eroomde> http://opencast.org/matterhorn/
[11:00] <Upu> we spend the money on a decent video camera, rent one whatever with some decent mikes
[11:00] <Upu> we record it and upload it to YouTube later
[11:00] <Upu> and don't bother with the streaming
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[11:01] <fsphil> we can still stream
[11:01] <eroomde> hmmm, i think people might appreciate something streamed, even if it's only 1% of the proper recording solution. eg just a ustream webcam
[11:01] <Upu> yeah
[11:01] <Upu> can't seem to get it right
[11:02] <Upu> I think next one I will reccy the place the day before
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[11:02] <fsphil> my HD canon still works but it needs to be plugged into mains
[11:02] <fsphil> but it has AV out, and it would be simple to encode and stream that to the nets
[11:02] <eroomde> i'm looking to get a decent lapel mic and possible wireless tx for it, if we can coordinate it right then i might be able to buy one for myself and bring it to the conf
[11:03] <eroomde> we've got this nice 5D at work and lots of shiny hardware, we want to be able to do moderately good quality video presentations, so i'm having a look to see what;'s available within the budget
[11:03] <fsphil> 5D better than mine :)
[11:04] <eroomde> infact my old DT teacher is a massive theatre tech nerd, and does conferences
[11:04] <eroomde> i should ask him!
[11:04] <eroomde> he is up for fun things usually
[11:04] <Upu> that would be amazing if you could eroomde
[11:04] <eroomde> eg he lent us that dodge ram to do the runway windtunnel tests
[11:05] <eroomde> i will go and buy him a drink
[11:09] <eroomde> emailed him
[11:11] <Upu> Super
[11:12] <eroomde> i don't know if he knows about projector stream cature, but certainly last time i went there he had 19" flight cases full of wireless mic receivers and eq's and anti-feedback DSP units and stuff
[11:12] <Upu> http://www.sennheiser.co.uk/uk/home_en.nsf/root/professional_wireless-microphone-systems
[11:13] <mfa298> reading the scroll back there's a few people around southampton who frequent the channel who do audio stuff so mgiht own or have access to kit
[11:13] <mfa298> although I think most of that is wired mics rather than wireless
[11:14] <fsphil> anything is better than what we had :)
[11:17] <mfa298> biggest bit of fun is probably seeing who's going to the conf, who has kit and what kit is suitable which could turn into a logistical nightmare
[11:18] <eroomde> yes, i suspect you'd want to get everything all sorted and nailed down in advance
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[11:19] <mfa298> I should be seeing a couple of the people I'm thinking of tomorrow so might try to have a chat.
[11:20] <fsphil> I'll keep my camera on standby :)
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[11:22] <Upu> I'll speak to James but I think we are waiting to see if arko can make it
[11:22] <eroomde> yeah
[11:25] <eroomde> that would be good if he can
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[11:31] <S_Mark> From experience, has anyone got, or can point me in the right direction of some tried and tested camera settings (iso, shutter speed etc) for a canon point-and-shoot that I will be scripting using chdk?
[11:32] <eroomde> A
[11:33] <eroomde> otherwise it depends on the launch conditions
[11:33] <eroomde> if you go manual, you'll want it to be sunny all the way up
[11:33] <eroomde> as settings for sunny (above the clouds) will make it much too dark on the ground if you're beneath a cloud layer
[11:34] <S_Mark> so just set it to auto and let it do it's thing?
[11:34] <S_Mark> I did think that but was just checking
[11:35] <eroomde> but if it is sunny all the way up, assuming you can do ISO 200, I would do f/8, at about 1/1000s
[11:35] <eroomde> for dunny conditions
[11:35] <eroomde> sunny*
[11:35] <eroomde> defined as strong crisp shadows cast by things on the ground
[11:36] <S_Mark> ok cool thanks
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[11:37] <S_Mark_> I am hoping for a sunny day!
[11:38] Nick change: S_Mark_ -> S_Mark
[11:38] <fsphil> it's sunny here which is odd
[11:38] <fsphil> I'd prefer the snow :)
[11:47] <LazyLeopard> Chucking it down here....
[11:51] <cuddykid> vile here too
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[11:56] <Lunar_Lander> hello
[12:00] <cuddykid> hi Lunar_Lander
[12:01] <cuddykid> is there any way to send rtty from mac to an ft-817? I'm guessing a "USB programming cable" would do the trick?
[12:03] <fsphil> this'll be fun. dropped 50 crimp headers on my carpet
[12:03] <fsphil> cuddykid: nope. you need a sound card interface
[12:04] <cuddykid> fsphil: ah right
[12:04] <fsphil> although you can make the cables. one of the ports on the back has an audio-in
[12:07] <cuddykid> fsphil: something like: http://www.ebay.co.uk/itm/EASY-DIGI-Sound-Card-Interface-PSK-RTTY-SSTV-MT-63-NBEMS-FLDIGI-DIGIPAN-/220896523510
[12:08] <daveake> You can do it with a TTL FTDI, an NTX2 and some resistors
[12:11] <fsphil> yea, guessing your intending to transmit using the ft817 + fldigi cuddykid?
[12:12] <daveake> He's going for the "heaviest UK HAB ever", leapforgging any PC-104 attempts
[12:12] <daveake> frog
[12:13] <fsphil> I might beat that
[12:13] <eroomde> ahem
[12:13] <fsphil> launches for ESA don't count :)
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[12:14] <fsphil> Lunar_Lander: http://ssdv.habhub.org/ -- the camera isn't too bad. simpler than the C328 but quite fussy about the order you send it commands
[12:15] <daveake> My next SSDV flight - http://minus.com/lbirqJb0K71JGY
[12:15] <fsphil> Get the new MINUS app?
[12:16] <daveake> oh ffs sorry
[12:16] <fsphil> oh it loaded the second time
[12:16] <daveake> http://i.minus.com/ibirqJb0K71JGY.JPG
[12:16] <cuddykid> cheers fsphil - that's correct
[12:16] <daveake> I should find another photo site
[12:16] <daveake> imgur never works
[12:16] <cuddykid> awesome daveake
[12:16] <fsphil> that is brilliant
[12:17] <daveake> It's called PIE5, but strangely it hasn't eaten all the pies
[12:17] <cuddykid> daveake: is 1 ntx2 for ssdv and 1 for telemetry?
[12:17] <fsphil> I bet that spins like mad on the way down :)
[12:17] <daveake> both for both
[12:17] <fsphil> he's doing a Huygens -- two channels for telemetry
[12:17] <cuddykid> :)
[12:17] <cuddykid> ah
[12:17] <fsphil> but this time there will be a receiver for both channels
[12:18] <daveake> fsphil it'll b evertical, and it's upside down in that pic - the batteries will be at the bottom to get the cog low
[12:18] <daveake> So a lot less area meeting the air than your average box payload
[12:19] <fsphil> true, but it's basically a wing
[12:19] <fsphil> I dunno why, but I love that the batteries are sitting at an angle
[12:20] <daveake> That was to keep an even-ish amount of insulation around them
[12:20] <fsphil> it's very nice work
[12:20] <daveake> I might switch one channel to 50 baud for the landing
[12:20] <fsphil> I like to keep everything in their own compartment
[12:20] <daveake> cheers :)
[12:21] <fsphil> it takes more time but worth it
[12:21] <daveake> Yep
[12:21] <daveake> Those wires were there for testing; I'll shorten them all for the flight
[12:21] <daveake> Also I need to add the aerials, and make a hole for the camera
[12:27] <daveake> Just noticed the reset button is still there on that Arduino. Best removed that :-). Every gram is sacred ...
[12:28] <fsphil> every unnecessary button will get pressed at some point :)
[12:28] <daveake> hah
[12:28] <daveake> I removed almost all the unncessary connectors from the Pi
[12:32] <daveake> Still to add the aerial, but it currently weighs 128g
[12:33] <fsphil> I think all-in swift weighed about 150g
[12:33] <daveake> Gonna be very close then
[12:34] <fsphil> could it be tha the Pi is becoming a viable tracking platform?
[12:34] <daveake> Maybe I should find a shorter ffc then :)
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[12:36] <fsphil> you'll be cutting holes out of the insulation next
[12:36] <daveake> It's certainly viable. Whether it's the best choice or not depends. Power and weight are now both acceptable. As for reliability, I've flown 4 so far and there were no Pi failures
[12:36] <fsphil> it's lighter on the pocket. that'll do
[12:36] <daveake> Yes I had thought about holes in the insulation :)
[12:40] <Lunar_Lander> fsphil, cool
[12:40] <Lunar_Lander> fsphil, how in the WORLD did you get the camera module working?
[12:41] <daveake> cuz 'eez clever innit
[12:41] <Lunar_Lander> xD
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[12:43] <fsphil> found a better datasheet
[12:43] <fsphil> there are a few errors in them though
[12:44] <fsphil> but really you just ask it to take a picture,
[12:44] <fsphil> then keep sending the command to read the picture
[12:44] <fsphil> 32 bytes at a time
[12:44] <daveake> Sometimes I wonder if manufacturers actually want people to use their stuff
[12:44] <fsphil> then tell it to stop the picture
[12:45] <Lunar_Lander> sounds complicated
[12:47] <Lunar_Lander> daveake, btw as an imgur replacement
[12:47] <Lunar_Lander> http://www.gullipics.com/
[12:47] <Lunar_Lander> german interface though
[12:47] <daveake> ta
[12:47] <fsphil> nah, complicated is what you do with the jpeg data once you have it :)
[12:47] <Lunar_Lander> yea
[12:47] <Lunar_Lander> for example write it to an SD
[12:48] <daveake> Seems simple to me ... just run ssdv and Phil's your unclue :)
[12:48] <fsphil> sparkfun have an example that writes to SD
[12:48] <daveake> uncle
[12:48] <fsphil> I like that there is a control for the compression level
[12:48] <fsphil> the c328's where fixed
[12:51] <fsphil> still too expensive compared with pi+webcam
[12:51] <fsphil> although sparkfun have them for £30 if you can dodge import tax
[12:52] <nick_> mbed rolled out USB host the otherday. They mentioned something about a webcam library
[12:52] <nick_> Although I think it was a request for someone to write a library, not that it exists yet.
[12:52] <fsphil> that would be nice
[12:52] <fsphil> most webcams should be using the uvc standard now
[13:01] <nick_> I think the mbed SDK is going to boom.
[13:05] <Lunar_Lander> fsphil, yea I once wired my arduino up like in the example
[13:05] <Lunar_Lander> uploaded the sketch
[13:05] <Lunar_Lander> nothing happened
[13:07] Action: nick_ just realised he could have ordered something this week and avoid import tax and shipping from the US
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[13:08] <Lunar_Lander> fsphil, of course having the uC able to "see" would have been awesome
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[13:08] <Lunar_Lander> but I think I'll continue flying the Canon A490
[13:13] <daveake> It's a nice camera. Just keep it pointing away from the straws :)
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[13:33] <Lunar_Lander> yeah
[13:33] <Lunar_Lander> I think mine is broken now
[13:33] <Lunar_Lander> it only takes white pictures outside
[13:33] <Lunar_Lander> if you zoom in and then look into the lens, the iris seems to be broken
[13:36] <SpeedEvil> http://www.youtube.com/watch?v=2dvv-Yib1Xg contains spacecraft, so is sort of appropriate.
[13:36] <Lunar_Lander> fsphil, but congratulations! :)
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[13:37] <SpeedEvil> Lunar_Lander: sand or grit can get in
[13:38] <SpeedEvil> it is in principle possible to disassemble
[13:38] <Lunar_Lander> yea
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[13:40] <fsphil> setting the compression level doesn't seem to make any difference to the image
[13:40] <fsphil> dropping a lot of packets too
[13:40] <Lunar_Lander> SpeedEvil, I thought about trying to open it
[13:41] <fsphil> can't make it any worse
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[13:41] Nick change: [1]G8KNN-Jon -> G8KNN-Jon
[13:42] <Lunar_Lander> the canon outlet has an A3350
[13:42] <Lunar_Lander> looking at it for my new personal camera
[13:42] <SpeedEvil> Lunar_Lander: smacking it around gently in an attempt to free the debris is an alternative
[13:42] <Lunar_Lander> as there is no CHDK for it
[13:42] <Lunar_Lander> yea
[13:45] <Lunar_Lander> YES!
[13:45] <Lunar_Lander> works again!
[13:45] <Lunar_Lander> I have to say that I had to smash the lens assembly against my desk a bit
[13:45] <Lunar_Lander> xD
[13:46] <fsphil> rule #5 .. "If in doubt, hit it"
[13:48] <lz1dev> print-rules {1..4}
[13:48] <Lunar_Lander> XD
[13:49] <Lunar_Lander> the bad thing about the A3350 is the li-ion battery
[13:49] <Lunar_Lander> so you can't replace that but have to hook the camera up to a wall wart
[13:49] <fsphil> rule #1 .. "Turn it off and on again"
[13:50] <fsphil> rules 2-4 are variations on tha ttheme
[13:50] <lz1dev> ioping fsphil
[13:51] <Lunar_Lander> fsphil, did you mean btw https://www.sparkfun.com/products/10061
[13:51] <Lunar_Lander> the example that comes with the library?
[13:51] <fsphil> Lunar_Lander: yea
[13:52] <Lunar_Lander> as I said that never worked for me
[13:52] <Lunar_Lander> tried everything, checked wiring, formatted SD
[13:55] <fsphil> try a really simple program, see if it responds to the reset command at least
[13:55] <Lunar_Lander> yea
[13:56] <Lunar_Lander> like send it the reset command and look what it returns?
[13:56] <fsphil> yep
[13:56] <fsphil> it should reply with 5 bytes, then some text
[13:56] <Lunar_Lander> ah
[13:56] <Lunar_Lander> which could be read in the serial terminal
[13:57] <fsphil> yep
[13:57] <fsphil> that example uses 9600 baud software serial
[13:58] <fsphil> that could also be a problem
[13:58] <Lunar_Lander> yea
[13:58] <fsphil> it's running here at 38400
[13:58] <Lunar_Lander> on the hardware UART of the 644 I assume?
[13:58] <SpeedEvil> :-)
[13:59] <fsphil> yep
[13:59] <Lunar_Lander> sounds good
[13:59] <fsphil> software serial at 38400 would be tricky I suspect :)
[13:59] <Lunar_Lander> reminds me that I have to switch the fuses again
[13:59] <Lunar_Lander> yeah
[14:00] <Lunar_Lander> set the brownout from OFF to 1.8V
[14:00] <Lunar_Lander> as I learned that brownout off can damage the EEPROM
[14:03] <fsphil> hmm.. it's returning the same picture everytime I ask for a new one
[14:08] <Lunar_Lander> doesn't sound good
[14:08] <fsphil> seems to need reset before requesting each new images
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[14:29] <Hix> been looking into hot air stations, I've heard people recomend Atten, could anyone comment on the 858 model?
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[15:00] <fsphil> http://www.bbc.co.uk/news/uk-scotland-21800270
[15:12] <Hix> just bought Atten 858 for £42.90 - cheap as chips, pun intended http://goo.gl/AaTtO
[15:24] <jiffe1> anyone know any good linux based aprs mapping apps that accept tnc output via serial?
[15:26] <fsphil> the only *good* linux aprs map is aprsmap, but I dont believe it can take data from serial
[15:28] <lz1dev> what about xastir?
[15:28] <fsphil> xastir might but it's a hideous program
[15:29] <jiffe1> yeah I just checked that out, it looks pretty dated
[15:29] <lz1dev> i don't think good exists when it comes to APRS software
[15:30] <jiffe1> yeah thats what I'm finding
[15:30] <jiffe1> aprsdroid looks good for android devices
[15:32] <lz1dev> it wasn't free right?
[15:33] <jiffe1> no its $4.49
[15:34] <lz1dev> oh i remember
[15:34] <lz1dev> you could download it for free, and 'donate' by buying from the store
[15:35] <lz1dev> dodgy strategy
[15:36] <jiffe1> yeah
[15:36] <jiffe1> unfortunately it doesn't support serial via usb, needs to be via bluetooth
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[15:42] <SP9UOB_Tom> Hi all
[15:43] <SP9UOB_Tom> http://sp9uob.verox.pl/solar/sputnik.jpg SPutnik - Solar Powered UTNIK ;-)
[15:51] <Hix> Hey Tom
[15:53] <SP9UOB_Tom> hi Hix
[15:53] <number10> looks like its already launch and in the air SP9UOB_Tom
[15:53] <SP9UOB_Tom> its hanging from the balcony ;-)
[15:53] <number10> ;)
[15:54] <SP9UOB_Tom> just testing solar power :-)
[15:54] <number10> any good?
[15:54] <SP9UOB_Tom> good enough - with 22F super capacitor and blocking shotky
[15:55] <Willdude123> Hi guys.
[15:55] <SP9UOB_Tom> the Sun is relatively low
[15:56] <Hix> when you're finished with the sun could you ask it to pop over to the UK please Tom :)
[15:56] <number10> whta is the plan for the lauch - long duration?
[15:57] <number10> what
[15:57] <SP9UOB_Tom> hix ;-)
[15:58] <SP9UOB_Tom> number10: yes, zero-pressure haptax film envelope
[15:58] <SP9UOB_Tom> heptax
[15:58] <SP9UOB_Tom> ok, voltage is dropping, as Sun goes lower
[16:00] <Lunar_Lander> hi SP9UOB_Tom
[16:00] <SP9UOB_Tom> hi Lunar_Lander
[16:00] <Lunar_Lander> how are you?
[16:00] <SP9UOB_Tom> Lunar_Lander: fine :-) Thanks
[16:01] <number10> sounds like an interesting project SP9UOB_Tom - look forward to seeing it
[16:01] <Lunar_Lander> that is cool
[16:02] <SP9UOB_Tom> telemetry will be transmitted on HF
[16:02] <number10> where did you get the heptax?
[16:02] <SP9UOB_Tom> number10: friend of mine will get it from Japan
[16:05] <Lunar_Lander> how much volume?
[16:06] <SP9UOB_Tom> ...and power is out
[16:07] <SP9UOB_Tom> Lunar_Lander: one reel - 1.5 m wide
[16:07] <Lunar_Lander> ah
[16:07] <SP9UOB_Tom> balloon volume ?
[16:07] <Lunar_Lander> so it is only the film that has to be made into a balloon?
[16:07] <Lunar_Lander> yes
[16:08] <SP9UOB_Tom> not calculated yet - about 200 cubic meters
[16:08] <Lunar_Lander> ah
[16:08] <SP9UOB_Tom> BRB
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[16:50] <Morseman_> Hummm. Strange behaviour by my ISP this afternoon!
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[17:50] <Willdude123> Morseman: Mine too, it's working.
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[18:04] <Willdude123> I hate Sundays.
[18:19] <gb73d> i always have a party on sunday
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[18:32] <Lunar_Lander> what do you suggest to control a motor from an arduino?
[18:32] <Lunar_Lander> not like just On/Off with a MOSFET or so
[18:32] <Lunar_Lander> one side of a H-Bridge maybe?
[18:36] <fsphil> or an h-bridge :)
[18:36] <Lunar_Lander> ?
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[18:51] <fsphil> quiet evening
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[18:52] <gb73d> no wonder its tipping it
[18:52] <fsphil> not here.. yet
[18:52] <fsphil> saw on the radar some lightning near the south coast earlier
[18:54] <chris_99> does anyone know any places that sell PIC (Plastic Igniter Cord) cheaply
[18:54] <Lunar_Lander> btw
[18:54] <Lunar_Lander> did anyone of you had the luck to see PANSTARRS?
[18:55] <fsphil> had a look yesterday but too much cloud around
[18:56] <fsphil> total cloud cover here atm so not even gonna bother :)
[18:56] <K9JKM> Hoping for clouds to clear in Chicago this evening and go take a look
[18:57] <K9JKM> BTW, hello, name is JoAnne QTH near Chicago
[18:57] <Lunar_Lander> yeah
[18:57] <Lunar_Lander> welcome
[18:57] <Lunar_Lander> do you want to 1) fly a balloon 2) track a balloon 3) have information on the stratosphere?
[18:58] <K9JKM> Most of my activity is with AMSAT
[18:58] <K9JKM> Much in common in trying to get a radio as high as possible however
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[18:59] <Lunar_Lander> true
[18:59] <K9JKM> Heard about this channel after tracking the most recent Iowa high altitude balloon
[18:59] <Lunar_Lander> cool
[19:00] <Lunar_Lander> welcome
[19:00] <Lunar_Lander> :)
[19:00] <K9JKM> thanks
[19:03] <fsphil> amsat sadly work at much higher altitudes than we normally do :)
[19:05] <Upu> hi K9JKM
[19:05] <Upu> do we know if WB8ELK got his payload back ?
[19:05] <fsphil> haven't heard Upu
[19:07] <x-f> fsphil, aurora is visible here!
[19:07] <fsphil> yea, but we got cloud here. cloud is better </lie>
[19:07] <Upu> there is something other than cloud ?
[19:07] <fsphil> in saying that, I see gaps the cloud
[19:07] <fsphil> not dark enough just yet
[19:11] <Upu> Hey Lunar
[19:11] <Upu> you about ?
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[19:22] <Lunar_Lander> hello Upu
[19:22] <Upu> hey Lunar quick PM
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[19:45] <nigelvh> Afternoon everyone'
[19:45] <fsphil> howdy
[19:46] <nigelvh> How's life over there?
[19:46] <fsphil> nice n' quiet
[19:46] <nigelvh> Good plan
[19:46] <fsphil> and over yonder?
[19:47] <nigelvh> Similarly. I was up late last night fiddling with making a QRP HF amplifier, so got up not too long ago, and about to get back to work on it.
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[19:57] <SP9UOB_Tom> We have Aurora Borealis in northern part of Poland. Anyone could confirm in UK ?
[19:58] <fsphil> cloud
[19:58] <fsphil> lots of cloud
[19:59] <SP9UOB_Tom> cool: http://www.youtube.com/watch?v=xWIXSidB8co
[20:03] <lz1dev> http://science.nbcnews.com/_news/2013/03/17/17347662-sun-eruption-supercharges-northern-lights-displays
[20:04] <fsphil> I've heard people bouncing signals of the aurora
[20:05] <lz1dev> http://spaceweather.com/gallery/index.php?title=aurora&title2=lights
[20:06] <SP9UOB_Tom> fsphil: high HF, VHF and UHF activiti is normal by now
[20:06] <SP9UOB_Tom> activity
[20:07] <fsphil> I'm having a scan through 432mhz
[20:09] <fsphil> nothing out of the ordinary
[20:11] <SP9UOB_Tom> Friend of mine is taking pictures over Bialystok
[20:11] <SP9UOB_Tom> is very unusual to see northern lights in Poland
[20:12] <lz1dev> apperantly we are just now passing through the CME
[20:14] <x-f> so cool!
[20:14] <SP9UOB_Tom> x-f: how in Lativia ?
[20:15] <x-f> SP9UOB_Tom, i saw it! for the first time ever!
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[20:15] <fsphil> hah, channel hoping, hit Bullseye on Challange. and the question was "What means of transport does a Radiosonde use?"
[20:16] <x-f> SP9UOB_Tom, i was out taking pictures of the comet and saw an aurora right near it! ZOMG!
[20:16] Action: x-f dies happy.
[20:18] <SP9UOB_Tom> x-f: do You have pictures ?
[20:18] <Laurenceb_> post photoz :P
[20:18] <SP9UOB_Tom> x-f: i have never seen northern lights, im about 500 km south
[20:19] <fsphil> I've seen them twice here
[20:19] <fsphil> but only one was a really good show
[20:28] <x-f> here's one - http://i.imgur.com/w5GAY5t.jpg
[20:29] <x-f> i wasn't ready for it, i was standing on the roadside near the lampposts
[20:30] <Laurenceb_> wheres the comet?
[20:31] <x-f> ah, it already set by then
[20:31] <x-f> tonight's idea was to take a timelapse of the comet setting
[20:31] <Laurenceb_> but too much cloud?
[20:32] <x-f> Laurenceb_, here's a nicer picture from Finland :) - http://spaceweather.com/gallery/indiv_upload.php?upload_id=79004
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[20:32] <x-f> no, i got the comet down to the horizon - very dim, but it was there
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[20:36] <x-f> my version of both in one photo isn't spectacular - http://i.imgur.com/w5rEuYq.jpg
[20:38] <Laurenceb_> pretty good
[20:39] <zyp> I grew up under the northeren lights in north of norway
[20:39] <zyp> :)
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[20:48] <x-f> aww, it must be so beautiful, to see it right above you
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[21:01] <zyp> here's a picture I took in 2008: http://farm4.staticflickr.com/3166/2384486881_20789a0882_o.jpg
[21:03] <Geoff-G8DHE_> Analyser evenNice
[21:04] <Geoff-G8DHE_> Humm - just Nice would have done ;-)
[21:07] <zyp> I have a full set of pictures from that night, sadly most of them are out of focus
[21:07] <x-f> nice indeed, i recognize Taurus and Pleiades there
[21:07] <zyp> http://farm3.staticflickr.com/2259/2385281819_b88552affa_b.jpg <- here's one with the laser from the ALOMAR LIDAR observatory visible
[21:07] <Geoff-G8DHE_> Auto focus on ?
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[21:08] <zyp> I don't remember, it's five years ago :)
[21:08] <Geoff-G8DHE_> Suprise!
[21:08] <Lunar_Lander> cool
[21:09] <zyp> I moved south later in 2008, so I haven't been able to get any good pics since
[21:09] <Lunar_Lander> oh
[21:09] <Lunar_Lander> zyp, and you are in norway or sweden now?
[21:09] <zyp> living at the south coast of norway now
[21:10] <Lunar_Lander> cool
[21:10] <Lunar_Lander> do you plan to make a balloon?
[21:10] <zyp> I'm still visiting the north every christmas, but there doesn't tend to be much northeren lights just when I'm visiting
[21:10] <zyp> there was a nice evening a few years ago, but sadly I was out driving and stupidly left the camera at my parents house
[21:11] <zyp> so this was the best I managed to get when I got back: http://bin.jvnv.net/f/kstnd.jpg
[21:11] <Geoff-G8DHE_> http://www.360panorama.fi/360-panoramas-references/item/87-revontulet-17-3-13.html
[21:12] <Geoff-G8DHE_> <zyp> Thats a nice exposure to get the lights and stars!
[21:12] <arko> Upu: im thinking about planning and tickets after my hab launch in 2 weeks
[21:13] <arko> applied for my passport, so things should work out in time
[21:13] <arko> i still need to talk to eroomde
[21:13] <arko> and my family in austria
[21:13] <zyp> Lunar_Lander, maybe when I have time for it
[21:13] <zyp> I have too many other fun projects currently :)
[21:18] <Lunar_Lander> :)
[21:29] <Lunar_Lander> I was thinking
[21:30] <Lunar_Lander> imagine you have a motor
[21:30] <Lunar_Lander> and want to tell it from the arduino to move
[21:30] <Lunar_Lander> and then stop
[21:30] <Lunar_Lander> and then move backwards
[21:30] <Lunar_Lander> how to do it best
[21:30] <fsphil> h-bridge :p
[21:30] <Lunar_Lander> yeah but if I get that right it only does acceleration and braking
[21:30] <fsphil> nope
[21:31] <Lunar_Lander> it can do back and forth?
[21:31] <fsphil> yea
[21:31] <Lunar_Lander> cool
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[21:32] <fsphil> my little robot uses a dual h-bridge
[21:32] <Lunar_Lander> cool
[21:33] <Lunar_Lander> h-bridge driver is not what we are looking for right?
[21:35] <Lunar_Lander> damn
[21:36] <Lunar_Lander> can a 3.3V arduino actuate a H-Bridge?
[21:36] <chrisstubbs> should do
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[21:36] <chrisstubbs> just has to trigger the transistors
[21:36] <fsphil> the one I have works from 3.3v
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[21:36] <Lunar_Lander> because the one that sparkfun has says it needs at least 4.5V
[21:36] <Lunar_Lander> and farnell has a supply voltage down to 3.6V
[21:37] <HixPad> Think L293D is ok for arduino
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[21:37] <Lunar_Lander> thanks
[21:38] <HixPad> Anyone know if shifting video from 30 to 25fps is viable? Or does it goe Pete tong
[21:39] <fsphil> the one I have seems to be based on the L298N
[21:39] <HixPad> Pololu seem to have some good driver cards
[21:40] <HixPad> Though I'm pretty clueless at the mo
[21:40] <HixPad> Trying to sort out a goto for my HEQ5 telescope mount
[21:43] <chrisstubbs> GPS is playing silly buggers again, ripped a pad off moving the thing closer to the window
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[21:44] <chrisstubbs> Hix can you reencode it in VLC?
[21:46] <HixPad> Probably, I've got after effects I'm just thinking of buying a Sd DVr but it only had option for 30fps
[21:46] <chrisstubbs> Uh just tried. VLC crashed itself twice now explorers locked up
[21:46] <HixPad> Just wondering what happens to the quality
[21:46] <chrisstubbs> i dont think you would notice, blu ray is 24fps isnt it?
[21:47] <HixPad> Pal is 25 NTSC 30 but I think there are issues with changing framerate
[21:47] <HixPad> Dropped frames
[21:48] <chrisstubbs> why do you want to change the framerate from 30?
[21:49] <HixPad> To play it on Pal eqpt
[21:50] <HixPad> Hmmm I can test as go pro is 30
[21:51] <chrisstubbs> give it a go!
[21:51] <HixPad> Yup
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[21:51] <chrisstubbs> how can i restart explorer if task manager has crashed
[21:52] <HixPad> Err you're probably screwed
[21:53] <lz1dev> chrisstubbs:
[21:53] <lz1dev> ctrl+shift+esc
[21:53] <lz1dev> run > explorer.exe
[21:53] <chrisstubbs> thats what i tried, but ctrl-shift-esc dosent do anything :P
[21:53] <chrisstubbs> IRC and arduino are still working fine
[21:53] <lz1dev> should bring the trask manager
[21:53] <HixPad> 3pin reset
[21:53] <chrisstubbs> fine
[21:53] <chrisstubbs> brb
[21:53] <chrisstubbs> ;)
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[21:58] Nick change: [1]chrisstubbs -> chrisstubbs
[22:01] <SP9UOB_Tom> https://www.facebook.com/photo.php?fbid=10200946912500248&set=a.10200946906220091.1073741825.1389048766&type=1&theater
[22:01] <SP9UOB_Tom> direct from Poland
[22:05] <HixPad> Sweet
[22:05] <HixPad> Wish we got it here
[22:08] <fsphil> still cloudy here
[22:09] <Willdude123> Just seen the cracking the code TV programming with Anthony and Dave in it.
[22:10] <Willdude123> Shame they only broadcast it at 5 am, which is hardly primetime.
[22:10] <fsphil> gap in the clouds. see stars, but no aurora
[22:10] <Upu> hey Willdude123
[22:10] <Upu> it was fun :)
[22:11] <Willdude123> Maybe I'll show my parents the clip.
[22:12] <Willdude123> Might persuade them. :-)
[22:12] <chrisstubbs> good idea!
[22:12] <Willdude123> Though it's unlikely, they pretty much said it was a definite no.
[22:13] <Upu> yeah just don't point out Dave's finger he sliced off 2 days earlier making a payload box
[22:13] <Willdude123> My dad did say I could do it if I went veggie for a month.
[22:13] <Willdude123> But for me, that'd be hard.
[22:13] <Willdude123> He was joking.
[22:13] <Willdude123> What with Upu?
[22:13] <Upu> there is a way round this Willdude123
[22:14] <Upu> go buy a book on vegitarian cooking
[22:14] <Upu> and cook for a month
[22:14] <Upu> chances are your parents will get sick of it before you do
[22:14] <SpeedEvil> Willdude123: dress as an onion for a month
[22:14] <Upu> lol
[22:14] <Willdude123> Haha.
[22:14] <Upu> a knife I guess
[22:14] <Willdude123> Stupid question really.
[22:14] <HixPad> Heh
[22:15] <HixPad> Feed them nothing but chickpeas for a month, you'll have enough methane for a good old explosion
[22:15] <griffonbot> Received email: Ali al-Azzawi "[UKHAS] "Red Nose goes into space""
[22:15] <chrisstubbs> Had my boat crazy mate over this weekend and we built this: http://bit.ly/WQeHY7
[22:15] <Willdude123> Could have been a hot wire cutter I guess, if his finger was under anaesthetic, and didn't realize it was there.
[22:16] <Upu> almost looks like Stingray that
[22:16] <chrisstubbs> lol
[22:16] <chrisstubbs> well it completley titaniced with a crowd of about 20 people watching
[22:16] <HixPad> Is that a Volvo boat? Think I saw the real version a few years back
[22:16] <chrisstubbs> just the bow sticking out the water, electronics ruined
[22:17] <chrisstubbs> Hix it was from maplin years ago. crappy 7.2v nicad thing. I put a 12v SLA in it ;P
[22:17] <chrisstubbs> no wonder it sunk
[22:17] <HixPad> Heh
[22:17] <griffonbot> Received email: jtradiouk "[UKHAS] Re: Yupiteru MVT-7100 Scanner for sale"
[22:17] <arko> haha, titaniced
[22:17] <Upu> making an autonomous boat ?
[22:17] <Willdude123> Why doesn't griffonbot add links to the group postings?
[22:17] <chrisstubbs> nope, but thats a very cool idea Upu!
[22:18] <chrisstubbs> glad this didnt have a ublox on it, i think the electronics are completley saltwatered now
[22:18] <Upu> Willdude123 because they are messy
[22:18] <Upu> https://groups.google.com/forum/?fromgroups=#!topic/ukhas/s-DHlOVrDgA
[22:18] <Willdude123> It could use a shorteners api?
[22:19] <Upu> guess so
[22:19] <HixPad> Might have been this chrisstubbs www.rya.org.uk/SiteCollectionImages/powerboat/Offshore%20Class%203C%20resized.jpg
[22:19] <Upu> if you fancy having a look the source code is online somewhere
[22:19] <arko> Upu: were you guys talking about planning ukhas?
[22:19] <Upu> hey arko
[22:19] <Upu> yes conference this year
[22:19] <arko> woto
[22:19] <Upu> (bring your parents Willdude123)
[22:19] <arko> woot*
[22:19] <Upu> just let me know if you can come and if so when
[22:19] <arko> ok, i submitted for a passport
[22:20] <Upu> and if you fancy doing a talk about anything interesting
[22:20] <Upu> no worries if you don't
[22:20] <arko> im serious about it, it's just a matter of planning after my hab in 2 weeks
[22:20] <Willdude123> When is it?
[22:20] <Upu> later in the year, probably in London like the previous two years
[22:20] <Upu> not sure when yet
[22:20] <Upu> arko is coming across from the uS possibly so we thought we may as well arrange it round that
[22:20] <arko> i want to do a talk :) likely to be about environmental testing for payloads in nearspace/space
[22:20] <chrisstubbs> Upu you can put me down, and Domlin as a maybe :)
[22:21] <chrisstubbs> for attending that is, we dont have much to talk about yet haha
[22:21] <Upu> well a mail will go out like last year
[22:21] <Upu> awesome arko
[22:21] <Willdude123> Location wise I'd be OK to go, because I live near Basingstoke, which isn't too far from London.
[22:22] <arko> ok, it's been added to my calendar, which means it will get done :P
[22:22] <arko> 4/2/13 i plan things out
[22:22] <Upu> last two were really good
[22:22] <Upu> we need to get SP9UOB_Tom over too
[22:22] <number10> I vote end of august conf
[22:23] <Upu> yeah it will be that sort of time
[22:23] <number10> as I need to invade the nw of england in sept for walking ;)
[22:23] <Upu> start of May for us this time
[22:24] <Upu> http://ukhas.org.uk/general:ukhasconference2012
[22:24] <Upu> that was last year
[22:24] <Upu> sorry about the crappy video quality
[22:24] <Willdude123> I might be away for part of summer,
[22:24] <Upu> going anywhere nice ?
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[22:25] <number10> where are you going in may Upu
[22:26] <Willdude123> Nothing planned Upu.
[22:26] <Upu> Windermere for the first time but not the touristy bit we have a cottage on the otherside of the lake
[22:26] <Willdude123> But I will be going away somewhere in summer at some point.
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[22:27] <Upu> High Wray to be exact
[22:27] <Upu> it will be later in the year Willdude123
[22:27] <Upu> September last year
[22:28] <number10> we will be up the lakes also first week in may - Upu - take some pink tape
[22:28] <chrisstubbs> HAB Software Woes: EXPECT THE SPANISH INQUISITION! haha :)
[22:28] <Upu> haah
[22:28] <Upu> deal number10 :)
[22:28] <Upu> where abouts are you this time ?
[22:28] <number10> cu
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[22:28] <Willdude123> Who wrote griffonbot?
[22:28] <Upu> simrun I think
[22:28] <Upu> https://github.com/simrun/griffonbot
[22:29] <Upu> and DanielRichman
[22:29] <Upu> http://www.danielrichman.co.uk/projects/griffonbot.html
[22:29] <Willdude123> It says its for twitter, but the one here does emails.
[22:30] <Willdude123> It wasn't a channel specific project then?
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[22:30] <Upu> there is an imap library in there so I suspect thats what handles the mail
[22:31] <Upu> https://github.com/simrun/griffonbot/blob/master/config.py
[22:31] <Upu> see line 27-32
[22:32] <Willdude123> Ah, OK.
[22:33] <DanielRichman> beware
[22:33] <DanielRichman> that thing is nasty
[22:33] <DanielRichman> however we would welcome changes :-)
[22:34] <arko> i still enjoy the random spanish #cusf posts
[22:34] <DanielRichman> there are monkeypatches and hacks to encourage libraries not designed to be used in a long running daemon not get stuck/disconnect silently/etc.
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[22:41] <fsphil> more gaps in the clouds, but no aurora
[22:42] <chrisstubbs> what would be a probable reason for the ACK response failing continuously?
[22:43] <arko> i wish to see an aurora some day
[22:43] <arko> i want to see how they look realtime
[22:43] <Upu> tis but clouds here
[22:43] <Upu> chrisstubbs ack ?
[22:43] <arko> always ruining things
[22:44] <chrisstubbs> yeah the thing that checks if the ublox is in flight mode
[22:44] <fsphil> there was a bright point of light that keeps flashing towards the north </ufo>
[22:44] <Upu> its not getting a response back from the GPS
[22:44] <Upu> so
[22:44] <Upu> switch TX and RX for starters
[22:45] <arko> fsphil: launch a hab to get a better look
[22:45] <arko> AuroraHAB
[22:45] <chrisstubbs> tx and rx are ok as if i disable the flight mode bit it wil get a fix and transmit the coords over the radio
[22:46] <Upu> something wrong witht the connection
[22:46] <fsphil> I'd like to do one from hawaii. call it Alohab
[22:46] <chrisstubbs> haha
[22:46] <arko> lol
[22:47] <chrisstubbs> i will remove the ttl module from the equation, that could be messing things up
[22:47] <chrisstubbs> could running the serial at 9600 cause the problem?
[22:48] <Upu> software serial to the GPS ?
[22:48] <chrisstubbs> hardware serial
[22:48] <Upu> no should work
[22:48] <Upu> just reseat all the connections
[22:48] <Upu> or try this
[22:48] <Upu> arduino ?
[22:49] <chrisstubbs> its my horrific SMD atmega168PA board
[22:49] <Upu> ah ok good luck :)
[22:49] <chrisstubbs> lol
[22:50] <Upu> 9600 on hardware serial isn't an issue
[22:50] <fsphil> you could easily run the hardware uart up to a megabit
[22:51] <chrisstubbs> i will try and revert back to a working status and try again from there
[22:51] <chrisstubbs> tinygps + interrupts was difficult to get my head around
[22:52] <Upu> tbh I made a tracker up on breadboard this afternoon
[22:52] <Upu> and I had so many issues with connections
[22:52] <Upu> and libraries I just gave up
[22:53] <chrisstubbs> fresh eyes always helps with these things
[22:53] <chrisstubbs> trying somthing new upu?
[22:53] <Upu> nah just helping someone out
[22:54] <fsphil> my breadboard 869mhz beacon was awful
[22:54] <fsphil> it worked sometimes
[22:54] <Upu> was doing my head in
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[22:55] <SP9UOB_Tom> http://falconek.republika.pl/images/astro4u/zorza%20x1.gif
[22:55] <arko> woah
[22:55] <Upu> nice Tom
[22:55] <arko> whats that time span?
[22:56] <arko> 1hr?
[22:56] <Upu> hey Tom do you fancy coming to London later in the year for the conference ?
[22:56] <fsphil> it's like a sonic rainboom
[22:56] <nigelvh> Yes fsphil. Yes.
[22:56] <SP9UOB_Tom> i dont know, what is the time span - this is not my animation
[22:56] <fsphil> 100% cloud now, don't see any stars
[22:57] <SP9UOB_Tom> hey Upu: when ?
[22:57] <Upu> not sure yet
[22:57] <Upu> Sept ish
[22:57] <SP9UOB_Tom> Upu: hmm, why not :-)
[22:57] <Upu> super will let you know
[22:57] <SP9UOB_Tom> My wife loves London shops ;-)
[22:58] <Upu> win :)
[22:58] <SP9UOB_Tom> she said: im going with you
[22:58] <SP9UOB_Tom> ;-)
[22:58] <Upu> haha well thats perfect
[22:59] <fsphil> lol
[22:59] <fsphil> no choice eh
[22:59] <SP9UOB_Tom> ;-)
[22:59] <chrisstubbs> im off, night all
[22:59] <arko> night!
[22:59] <fsphil> nite
[23:00] <SP9UOB_Tom> me too - night all
[23:00] <Upu> night
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[23:24] <Lunar_Lander> Upu, maybe I can finally attend this year
[23:24] <Lunar_Lander> :)
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[00:00] --- Mon Mar 18 2013