highaltitude.log.20120227

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[07:38] <PD3EM> Good morning! Any news on the recovering of the PD4TA balloon?
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[08:07] <costyn> PD3EM: I haven't heard anything from Tim; so I assume not. A German friend of mine is going to call the local police station today, to see if someone brought it in
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[08:09] <griffonbot> @apexhab: Apex III box coming together nicely... #apexhab #ukhas http://t.co/AIH8v5qt [http://twitter.com/apexhab/status/174043456212185089]
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[08:31] <Upu> Apex is going to be a bugger to find when it lands
[08:31] <Upu> morning
[08:31] <daveake> Morning ... where's it going?
[08:32] <Upu> no idea but its black
[08:32] <daveake> Ah lol
[08:32] <daveake> Don't they know that pink is the new yellow?
[08:33] <Upu> http://t.co/AIH8v5qt
[08:33] <daveake> wah
[08:35] <number10> sounds like a late launch
[08:35] <daveake> Yeah, so it'll be dark when it lands
[08:36] <daveake> Hope they're adding some hiviz tape
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[08:38] <cuddykid> oh, still no tracking details for seed order :S
[08:38] Action: cuddykid wonders whether it will ever arrive
[08:38] <number10> maybe its a stealth flight
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[08:39] <cuddykid> *stealth pigeon more like at this speed
[08:39] <cuddykid> lol
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[08:40] <daveake> Where does Apex launch from? Churchill?
[08:44] <number10> yes
[08:44] <daveake> ta
[08:44] <daveake> I'm oop north on Wednesday so I won't be able to halp.
[08:44] <daveake> *e
[08:45] <number10> lancaster again?
[08:45] <daveake> Oldham
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[08:49] <jcoxon> morning
[08:49] <RocketBoy> hiya
[08:49] <daveake> morning
[08:49] <Laurenceb_> booy
[08:49] <Laurenceb_> a
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[08:50] Action: jcoxon is re-installing his macbook
[08:50] <jcoxon> eek
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[09:02] <jcoxon> so an aprs flight on 434.650 today
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[09:03] <fsphil> whoa
[09:03] <fsphil> brave
[09:03] <jcoxon> according to the email
[09:03] <RocketBoy> it'll be interesting to see the range
[09:05] <jcoxon> yeah
[09:05] <jcoxon> i also wonder how they are doing it
[09:05] <jcoxon> what sort of hardware
[09:06] <jcoxon> RocketBoy, you could set up an igate :-)
[09:06] <jcoxon> as you've got a tnc
[09:08] <RocketBoy> yeah - i'd need to do some digging in the shack to find it
[09:09] <RocketBoy> would have thought some of the PC software decoders would be better placed to do the igate
[09:09] <jcoxon> you'd be surprised
[09:10] <RocketBoy> like AGWPE
[09:10] <jcoxon> nightmare to get working though
[09:10] <jcoxon> crazy ham designs
[09:10] <UpuWork> oh APRS yay
[09:11] <jcoxon> RocketBoy, did you get my email?
[09:11] <RocketBoy> hang on
[09:11] <UpuWork> AGWPE does sort of work
[09:12] <UpuWork> but my radio is sat on the desk next to me here
[09:12] <jonsowman> morning all
[09:13] <jcoxon> hey jonquark
[09:13] <jcoxon> oops
[09:13] <jcoxon> jonsowman,
[09:13] <jcoxon> hi jonquark as well though
[09:13] <jonsowman> :)
[09:13] <jonsowman> how are things jcoxon?
[09:13] <jonquark> :) Hi jcoxon :)
[09:13] <jcoxon> jonsowman, good thanks
[09:14] <jcoxon> any ideas on forms of tracking for the flight
[09:14] <jcoxon> ?
[09:14] <jonsowman> the only useful form is APRS on 434.650MHz
[09:14] <jonsowman> they also have RF beacons on 70cms somewhere but no telemetry
[09:14] <jcoxon> what are the aims of these flights?
[09:15] <RocketBoy> jcoxon: I'll email back
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[09:30] <LazyLeopard> ...so how quickly can one throw together an APRS receiver...
[09:31] <jonsowman> radio that will listen on 70cms, plus AGWPE
[09:31] <jonsowman> i have a Kantronics TNC somewhere actually
[09:32] <jcoxon> LazyLeopard, i've got a nice design for a tnc with a 5v arduino
[09:32] <LazyLeopard> ;)
[09:32] <jcoxon> if you've got one lying around
[09:32] <LazyLeopard> Nope.
[09:32] <jcoxon> hehe, well scrap that
[09:33] <jcoxon> truetty can do packet as well
[09:33] <LazyLeopard> Somehow not managed to get sucked into the arduino thing, despite having earthshine just down the road...
[09:33] <jcoxon> and the newest version of fldigi
[09:33] <jcoxon> can decode packet
[09:33] <LazyLeopard> ...but not the current dl-fldigi?
[09:33] <jcoxon> no, its still super alpha code
[09:33] <jcoxon> will soon though
[09:33] <LazyLeopard> Ah. Fair enough.
[09:34] <LazyLeopard> Look forward to seeing the next version, then...
[09:34] <jcoxon> the new version of dl-fldigi is awesome
[09:34] <jcoxon> much more intergrated with habitat
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[09:35] <jonsowman> :)
[09:35] <jcoxon> not that i've got it to compile yet...
[09:35] <jonsowman> haha
[09:35] <RocketBoy> BBL
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[09:36] <LazyLeopard> Hoe easy is it to keep dl-fldigi tracking the current main fldigi?
[09:36] <jcoxon> thats fsphil's job
[09:36] <jcoxon> not too bad
[09:36] <jcoxon> though i must admit i haven't done my dl-fldigi dev work for a while
[09:42] <jcoxon> 2 mins till my installation is complete
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[09:49] <jonsowman> right, must go
[09:49] <jonsowman> will try and keep you all up to date on launch
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[09:49] <fsphil> the merges have been fairly straightforward so far
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[09:52] <fsphil> I might setup the igate but I'd be shocked if it worked that distance
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[09:55] <jcoxon> back
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[10:16] <costyn> my German contact called the police station, but nobody brought it there (yet). So still unclear who has it. GPS tracker is still not responding, probably because it has no fix indoors
[10:18] <x-f> at least it answers Tim's calls?
[10:18] <costyn> yea although it does seem to disconnect the call after more rings than usual, not sur what it means
[10:18] <daveake> The one I had, even if it had no fix, it would reply but the position would be all zeroes
[10:20] <daveake> A guess - because it's in a different country, Tim's number is coming up as international so it doesn't recognize him as being a registered caller
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[10:20] <costyn> daveake: well it responded yesterday with several smses with the location, so it was working
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[10:20] <daveake> ok we need another guess then :)
[10:20] <costyn> daveake: that's how we know exactly which village it's in, and that after 2 hours or so, it moved so someone had picked it up
[10:20] <daveake> yes, of course.
[10:21] <costyn> maybe Tim should read the manual of the trakcer :)
[10:21] <daveake> That doesn't help :D
[10:21] <costyn> hehe
[10:21] <daveake> Chinees to English via Klingon
[10:22] <costyn> I can't believe how many times I heard "I hope xxx works" and "I assume that" and "it should" yesterday. Tim didn't do a lot of testing. We even forgot to see if the gps got a lock before we let the balloon go
[10:22] <costyn> sure as heck not the way I'd do a launch heheh
[10:22] <daveake> oh dear
[10:23] <daveake> Any chance the UHF is still running? Someone local with a receiver could go and DF to the right house
[10:23] <costyn> he did have a nice indoor warehouse where we could fill the balloon with no wind and prepare everything. we then launched from the parking lot which worked well
[10:23] <costyn> daveake: hmmm not sure, I'll ask tim
[10:23] <daveake> yeah that's nice
[10:32] <costyn> DL2AKT lives just a few km south of the landing place. I suggested Tim contact him again. DL2AKT went to look for it yesterday but was too late.
[10:33] <cuddykid> could it be that the payload is still there but just couldn't be seen in the dark?
[10:34] <costyn> cuddykid: nope, 2 separate people went to look for it and the gps tracker reported it moving up the road earlier, so it probably realy is gone from the landing site. According to the local B&B lady people go there often to walk their dogs
[10:34] <cuddykid> ahh right, I see - yeah, we need a local HAM person to have a scan around
[10:35] <cuddykid> and quick! before the battery dies
[10:35] <costyn> yea
[10:35] <daveake> So you need someone to knock on houses near the last position, listening/sniffing for a dog :)
[10:35] <costyn> daveake: yea, the B&B lady did, but the people there said they knew nothing :)
[10:35] <cuddykid> people are quite brave to pick up the box - if I didn't know about HAB I probably would've left it :P
[10:35] <daveake> Try again but wearing a police uniform :)
[10:36] <costyn> hehe
[10:36] <cuddykid> lol
[10:38] <gonzo_> ow a while coverall and a full face gas mask
[10:38] <costyn> Tim just said he doesn't think the batteries are still working
[10:39] <number10> this could make a good mystery story
[10:40] <cuddykid> batteries may be working still - they were kept pretty warm throughout the flight
[10:40] <daveake> Fortunately for me, on Buzz2 I used 4 AA's and the payload was still transmitting when it was found 28 hours after power-up. When I got it back I used them for testing and they ran for another 24 hours :)
[10:40] <costyn> amazing
[10:40] <cuddykid> I use 6AAs on mine :D
[10:40] <costyn> i think Tim used LiPo's
[10:40] <cuddykid> bit of an overkill haha
[10:41] <cuddykid> still using the batteries that ran on the first flight - full of juice still
[10:41] <costyn> cool
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[10:42] <cuddykid> arghh, when oh when will my APM ship?!
[10:42] <cuddykid> Hi TimZaman
[10:42] <cuddykid> any news?
[10:43] <TimZaman> Hi, no. Only that the GPS tracker has no signal anymore
[10:43] <TimZaman> 'dead'
[10:43] <costyn> its not responding to phone calls?
[10:43] <cuddykid> :(
[10:43] <TimZaman> so a HAM drove by the area of 300x300m, sweeped it, nothing to be seen. A german lady went and there was nothing, she went by a few houses where my GPS signal pinpointed they hadnt seen anything. But its sure its on the move. Costyns friend called the policeoffice, they hadnt seen or heared anything from it
[10:44] <TimZaman> nice friend btw
[10:44] <cuddykid> damn
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[10:44] <costyn> TimZaman: yea he's cool
[10:44] <SpeedEvil> Batids.
[10:44] <TimZaman> so i expect the german protocol: waiting for a few weeks to give me a call after which i have to pump up the reward
[10:44] <costyn> ow so that ham dude sweeped it too eh?
[10:45] <TimZaman> costyn well i dont know but he mentioned that
[10:45] <costyn> ok
[10:45] <cuddykid> some sort of organised crime against HABists!
[10:45] <costyn> even if we had continued driving after it, that crappy peron would've picked it up before we got there
[10:45] <cuddykid> did it have your number or address on TimZaman?
[10:46] <TimZaman> costyn: hmmmmz maybe, i think we'd be in time in order to track it with radio as well
[10:46] <TimZaman> yeah i know exactly hwere the last position was
[10:46] <costyn> but it was really hauling ass once it got over germany
[10:46] <TimZaman> first the GPS pointed to a field, then the GPS pointed to a small street in the village, where it was either in a house or csomeone carrying it
[10:46] <costyn> TimZaman: it would've been another 4.5 hour drive from where we stopped
[10:47] <TimZaman> costyn yeah true, would have been moronic to go there since it could have landed in poland
[10:47] <costyn> yea
[10:47] <TimZaman> but IF we knew it would land in Nohra, and if we know someone would steal it, i guess we would have driven there, but we had no way of knowing
[10:47] <costyn> yea
[10:47] <TimZaman> Oh well, let's be patient
[10:49] <daveake> When I lost cloud2 at sea, I wasn't very patient. I was calling the backup tracker quite often, hoping for a fix.
[10:50] <cuddykid> bbl
[10:51] <gonzo_> prob have a load of druids worshiping it by now
[10:52] <Upu> http://i.imgur.com/8qyRO.jpg
[10:53] <number10> that looks nice Upu
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[10:53] <UpuWork> If I get some time I'll try get that soldered up this aft
[10:54] <zyp> plated holes right next to the antenna doesn't look very sensible
[10:55] <zyp> and putting a metal screw through it probably doesn't help either
[10:55] <eroomde> UpuWork: awesome!
[10:56] <Upu> just need to see if it works now :/
[10:56] <TimZaman> But guys i have also proven that the groundplane does not at all have to be 17cm
[10:56] <daveake> Use a nylon screw then :)
[10:56] <TimZaman> the groundplane was only 12cm wide
[10:56] <Upu> hey Tim any news ?
[10:57] <TimZaman> No a german lady is going past the houses in the village, i just offered her 100 E and a picture of the payload
[10:57] <Upu> ok
[10:57] <TimZaman> Upu thats a nice payload
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[10:58] <Upu> just a breakout Tim
[10:58] <Upu> but based on the MAX6
[10:58] <TimZaman> Or is it?
[10:58] <Upu> GPS breakout
[10:58] <TimZaman> Or is it!
[10:58] <Upu> pico one with a chip antenna on it
[10:58] <Upu> Sarantel is for scale
[10:58] <TimZaman> put some juice on it, NTX2 on its ass and whoopdidoo its a payload!
[10:58] <TimZaman> but OK, really nice gps module
[10:58] <Upu> something like that
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[10:58] <Upu> once tested they'll be for sale on the store
[10:59] <TimZaman> i have gps antenna's, how does the small one do?
[10:59] <UpuWork> no idea I'll tell you when I've tested it
[10:59] <TimZaman> ah
[10:59] <UpuWork> need to go get some test clips from Maplins
[11:00] <TimZaman> Haha costyn i am watching the video, its so funny how you did not dare letting the balloon go hahahaha
[11:05] <TimZaman> *lunch*
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[11:14] <eroomde> UpuWork: lemme know when it works
[11:14] <eroomde> my board aren't arriving until next week :(
[11:14] <eroomde> but then i have to make up some stuff for a customer this week so it's probably a good thing
[11:15] <fsphil> that's soo tiny
[11:15] <eroomde> Upu's board?
[11:16] <fsphil> yea
[11:16] <fsphil> and I used to think the fsa03 was really small
[11:17] <daveake> fsa03 is huge and heavy :)
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[11:23] <UpuWork> not mean for screwns
[11:23] <UpuWork> zyp
[11:23] <UpuWork> meant for string
[11:24] <daveake> Does that iddy biddy antenna need to be pointing a certain way?
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[11:29] <UpuWork> no its omni
[11:29] <UpuWork> apparently
[11:29] <daveake> Excellent
[11:29] <eroomde> i read that in an evil genius voice
[11:29] <daveake> :)
[11:29] <daveake> Very interested in how well this works
[11:29] <eroomde> or monty burns
[11:29] <daveake> +1
[11:30] <daveake> Now you're down to my level :)
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[11:30] <UpuWork> the holes aren't plated they are just fresh air with pcb round them
[11:30] <UpuWork> jcoxon http://i.imgur.com/8qyRO.jpg
[11:31] <jcoxon> oh wow
[11:31] <jcoxon> and it works?
[11:31] <daveake> Good question :p
[11:31] <UpuWork> no idea will come back to you on that
[11:31] <jcoxon> launch yet from churchill?
[11:31] <UpuWork> will solder this afternoon but probably won't get chance to test until tommorrow evening
[11:32] <jcoxon> fair enough
[11:32] <daveake> I'll slap on on an Arduino and RFM22B when I get one
[11:32] <daveake> *one
[11:32] <jcoxon> oooo my reinstalled mac is super snappy
[11:32] <daveake> iFast
[11:32] <fsphil> iAyeAye
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[11:35] <fsphil> my laptop's showing its age now. the case is beginning to crack
[11:35] <fsphil> but I'm not too fussed with the new thinkpads
[11:36] <fsphil> and they all seem to have evil glossy screens
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[11:36] <eroomde> get an x61 or something
[11:36] <daveake> A had an A30p for years. It refuses to die, and is serving out its retirement as a web server
[11:37] <fsphil> excellent
[11:37] <fsphil> this one still works well, it's just a bit slow and old looking
[11:38] <kokey> I had an x31 for a while and it worked well
[11:38] <kokey> only problem is that I'm now spoilt by mac battery life
[11:38] <fsphil> friend of mine has an x61 -- those are the really tiny one?
[11:38] <eroomde> yep
[11:38] <kokey> yeah they're quite small and light
[11:38] <eroomde> you get get them on ebay for £100 now
[11:38] <kokey> especially for their age
[11:38] <eroomde> and they're core2duo
[11:38] <eroomde> i'd swap out the hdd for a previous gen ssd
[11:39] <kokey> the chipsets on them are also widely supported
[11:39] <fsphil> mmm ssd
[11:39] <eroomde> ssd is the best thing evarrr
[11:39] <fsphil> I thought about that for this laptop but I don't think it would help that much
[11:39] <fsphil> it's old IDE
[11:39] <eroomde> yeah
[11:39] <eroomde> i think the x61s are sata1
[11:39] <eroomde> so no point getting a modern ssd as the sata is by far the bottleneck
[11:39] <fsphil> I might go down that route
[11:40] <eroomde> i love my macbook air now though I must say
[11:40] <kokey> I need to put together some media player and general server PC of some sorts
[11:40] <fsphil> not sold on the macs
[11:40] <eroomde> i have linux on my desktop which is what i use for anything that takes more than 20 mins for the sake of my back, neck and wrists
[11:40] <fsphil> I had a mac mini for a while and it was a bit meh
[11:41] <eroomde> yerah the hardware excites me more
[11:41] <eroomde> i'd be perfectly happy with xfce on my macbook air
[11:41] <eroomde> except for the convenience of time machine, and nothing as good as keynote for presentations
[11:41] <fsphil> I ended up with linux on that too -- but it's one of the last PPC macs so the most recent distro is like Fedora 12
[11:43] <kokey> I tend to use linux on a server
[11:43] <kokey> and keep my terminal whatever, e.g. osx
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[11:44] <kokey> that said if I was writing code for small devices again, I'd probably spin up linux on my laptop
[11:44] <kokey> however, last time I did that, I actually sshed to my x31 and coded on that remotely
[11:44] <fsphil> yea linux is great for development
[11:45] <kokey> I think it's nice to have throw away builds on linux
[11:45] <kokey> like if you want to what on an entire toolchain for a certain platform
[11:45] <kokey> what=whack
[11:48] <Laurenceb> SDR GPS dongle ordered :P
[11:48] <Laurenceb> getting 10 of them
[11:48] <eroomde> nice nice nice
[11:48] <eroomde> screencap?
[11:48] <Laurenceb> sec
[11:49] <Laurenceb> http://imgur.com/RkttG,Hf5DT
[11:50] <eroomde> v minimal!
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[11:52] <Laurenceb> 17x40mm
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[11:55] <Laurenceb> theres an indicator led and active antenni supply off gpio
[11:56] <Laurenceb> and it can be hacked to run as standalone with USART1 broken out
[11:56] <Laurenceb> thats about it as far as features go tho :P
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[12:19] <Hix> Any News on TimZaman recovery operation?
[12:20] <Laurenceb> maybe the gps went nuts
[12:23] <shenki> Laurenceb: your board looks cool. what's the second IC on it, next to the arm?
[12:26] <Laurenceb> Se4120
[12:27] <Laurenceb> gps frontend
[12:27] <Laurenceb> theres also a regulator and tcxo
[12:41] <Hix> Got an IBM x60s with ebay extended battery [£35] and I get 5 hours out of it. Perfect for mobile use. They even have a miobile broadband board built in. But it's locked to Vodafone. I Paid £160 for it over 2 years ago so they've gotta be peanuts by now. Great little machines
[12:42] <fsphil> oh sweet
[12:42] <fsphil> I get 1.5 hours ish now
[12:44] <daveake> Hix is it really locked to Vodafone? I've used built-in 3G devices in various laptops and even though the software may have Vodafone plastered all over it, you can actually use any SIM card.
[12:44] <Hix> I'll find the link for the batt guy
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[12:44] <Hix> daveake, doesnt register any other sim
[12:44] <daveake> Oh :(
[12:45] <daveake> Check online see if there is an unlock method
[12:46] <Hix> kewl cheers
[12:48] <Hix> whoa! £26.34 free shipping. Mine arrived next day. http://www.ebay.co.uk/itm/8CELL-4800MAH-BATTERY-IBM-LENOVO-THINKPAD-X60s-SERY-/150631674479?pt=UK_Computing_LaptopsAccessories_LaptopBatteries&hash=item231258f26f#ht_2513wt_769
[12:48] <Hix> but mine needed 24hrs charging. After that it was fine, could have been a random bad pack as mates have bought from same seller with 0 probs
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[13:02] <fsphil> what time is the cambridge launch suppose to be?
[13:04] <Laurenceb> after raspberry pi launches
[13:04] <Laurenceb> /troll
[13:04] <daveake> :)
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[13:10] <fsphil> oooh yea
[13:10] <griffonbot> @cuspaceflight: Ready to launch, APRS on 433.650 #ukhas [http://twitter.com/cuspaceflight/status/174119241245671424]
[13:11] <LazyLeopard> Heh
[13:11] <fsphil> ah, speak of the devil
[13:11] <fsphil> wonder if 433 is a typo
[13:11] <LazyLeopard> Presumably
[13:18] <jcoxon> anyone setup to decode?
[13:19] <daveake> Sorry, don't know where to start. Receiver + some PC software?
[13:19] <fsphil> I am but almost zero chance of a good signal
[13:19] <daveake> Happy to try if there's a fair chance it might work
[13:20] <number10> I was wondering that - what software is vailable
[13:20] <daveake> viable / available :)
[13:20] <number10> :)
[13:22] <jcoxon> well the latest latest fldigi can decode packet
[13:22] <jcoxon> or if you are on windows try truetty
[13:23] <Randomskk> it's off
[13:23] <Randomskk> 433 is not a typo
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[13:23] <Randomskk> should be in the air
[13:23] <Randomskk> well it is in the air
[13:23] <Randomskk> be cool to see if anyone gets it
[13:24] <fsphil> 433.650 yea
[13:24] <fsphil> odd frequency
[13:24] <Randomskk> yea, funny little trackers
[13:25] <jcoxon> what are they based on?
[13:26] <Randomskk> prebought aprs module I think
[13:27] <jcoxon> isle of sheppy globaltuner might be a good bet
[13:27] <eroomde> We just roasted our first batch of coffee beans at work
[13:27] <fsphil> just as noisy as 434.650
[13:30] <Randomskk> predicted landing tunbridge wells
[13:30] <andrew_apex> Is it 1200 baud Aprs
[13:30] <Randomskk> http://habhub.org/predict/#!/uuid=6712657f0c00369a2fcbe5e404525bfe04e1e640
[13:30] <Randomskk> yes
[13:30] <Randomskk> (!)
[13:30] <eroomde> sorry late to the game - what is the freq and modulation scheme?
[13:31] <Randomskk> 433 650, aprs
[13:31] <eroomde> 433.650 oh ok
[13:32] <fsphil> I'm listening on USB just to see if I can hear it before I try FM
[13:32] <jcoxon> Randomskk, low burst alti?
[13:32] <Darkside> if you have LoS it'll probably work as well as rtty
[13:32] <Randomskk> jcoxon: 23k yes
[13:32] <Randomskk> 600g balloon
[13:32] <fsphil> 1200 baud though Darkside
[13:32] <Randomskk> and we don't want splasdown
[13:33] <jcoxon> Randomskk, fair enough
[13:33] <Randomskk> neat little payload
[13:33] <Randomskk> CF tube cross
[13:33] <Randomskk> fun bundle of attachments too ;)
[13:33] <Darkside> fsphil: well we do APRS with 300mW over some pretty incredible distances
[13:34] <fsphil> this is 10mw
[13:34] <eroomde> can barely hear a thing
[13:34] <daveake> Well I kill TrueTTY by selecting 1200 baud --> Not Responding
[13:34] <daveake> *killed
[13:34] <Darkside> yeah 10mw might be pushing it a bit
[13:38] <fsphil> is this flight on aprs.fi?
[13:38] <Randomskk> it would be
[13:38] <Randomskk> but no igates on 433.650
[13:38] <Randomskk> their receivers don't have internet I think
[13:39] <Darkside> isnt using aprs on non-ham bands against the license?
[13:39] <Darkside> or is it just commercial
[13:39] <LazyLeopard> 433.650? Email said 434.650...
[13:40] <jcoxon> Darkside, surely its just a protocol
[13:40] <Darkside> nah theres some licenseing around it
[13:40] <Darkside> that its only to be used for amateur radio use
[13:40] <Darkside> i think it applies to AX25, not to APRS
[13:40] <Randomskk> it is a ham band
[13:40] <Randomskk> anywya
[13:40] <Darkside> but...
[13:40] <Darkside> you arent alowed to do ham stuff in air :P
[13:40] <jcoxon> Randomskk, nah they aren't operating as a hamband
[13:41] <Randomskk> the freq still is
[13:41] <Darkside> meh anyway
[13:41] <Randomskk> even if they're not on a ham license
[13:41] <Darkside> i guess they are trackin git?
[13:41] <Darkside> tracking it*
[13:41] <Randomskk> yes
[13:43] <jcoxon> can anyone hear it?
[13:45] <Randomskk> they can on their handhelds...
[13:45] <Randomskk> they have handhelds to receive
[13:45] <Randomskk> :P
[13:45] <Randomskk> the tx antenna is a whip, no ground plane
[13:46] <Randomskk> but still getting reception here
[13:46] <fsphil> they've done this before right?
[13:46] <PD3EM_> 433.650 is a licence free Low Power Device channel but a ham callsign is not allowed because UK hams may not transmit from flying position
[13:46] <fsphil> as a license exempt device you can transmit whatever you want
[13:46] <fsphil> the fact that there may be a callsign in it shouldn't matter?
[13:47] <jcoxon> fsphil, i think it does though
[13:47] <jcoxon> by using an amateur callsign you are using your licence
[13:47] <Randomskk> they're using their US callsigns anyway
[13:47] <PD3EM_> That's what I've learned from james from a previous flight ;-)
[13:48] <Darkside> Randomskk: are they using Kenwood handhelds?
[13:48] <Randomskk> yaesu
[13:48] <Darkside> ahh
[13:48] <Darkside> we have Kenwood Th-D72s for the APRS stuff
[13:48] <Hix> is this on spacenear? Nothing showing up
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[13:49] <Randomskk> no
[13:50] <Hix> oh ok
[13:51] <Hix> I've got my scanner at work but can't connnect it to any computers to decode I'll see if i can pick up a signal outside in a bit though
[13:53] <Randomskk> can anyone hear anything?
[13:54] <fsphil> too soon for me
[13:54] <fsphil> it's strange not knowing where it is :)
[13:55] <Randomskk> indeed
[13:55] <Randomskk> it has 2x SPOT
[13:55] <jcoxon> thats a lot of SPoT
[13:56] <fsphil> they want to see spots
[13:56] <Darkside> i'm seeing spots
[13:56] <Darkside> i'd better sleep
[13:56] <Darkside> night
[13:56] <daveake> My payloads are spotless
[13:56] <fsphil> night Darkside !
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[13:57] <fsphil> I'd like my 2nd payload to be spotted
[13:58] <daveake> you're such a fusspot
[14:00] <fsphil> I fail to spot the problem
[14:01] <daveake> You're so despotic
[14:02] <Randomskk> ...anyone heard anything yet? :P
[14:03] <fsphil> lovely static
[14:03] <number10> forgot to bring receiver in to work
[14:03] <jcoxon> got to admit i'm not actually listening
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[14:04] <daveake> How would I recognise the signal if I found it? Is it just keyed on/off? Or 2 freqs like rtty? Do I set USB or something else?
[14:04] <jcoxon> daveake, it'll be FM
[14:04] <jcoxon> and it'll chrip
[14:04] <jcoxon> chirp
[14:04] <daveake> ta
[14:05] <daveake> And is it on 434.65 or 4433.65?
[14:05] <daveake> 443.65
[14:05] <Randomskk> 433.650
[14:05] <daveake> ta
[14:05] <LazyLeopard> Well, some combination o 4s and 3s...
[14:05] <LazyLeopard> ...with .65 after
[14:06] <jcoxon> ooo i can hear it
[14:06] <jcoxon> on globaltuners
[14:06] <Randomskk> ooh
[14:06] <Randomskk> any decode?
[14:07] <jcoxon> is morse on the same channel?
[14:07] <Randomskk> uhm
[14:08] <Randomskk> a beeper
[14:08] <Randomskk> yes
[14:08] <Randomskk> it's not morse
[14:08] <Randomskk> just beeping
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[14:09] <daveake> Ah, I heard the beep
[14:09] <daveake> Exciting
[14:09] <daveake> :p
[14:10] <Randomskk> should be aprs on same freq
[14:10] <Hix> I can hear something on USB at 433.6495 but it's weird sounding [at Coventry Airport]
[14:10] <Hix> FM nothing
[14:10] <Randomskk> yea aprs sounds crap
[14:10] <Hix> was there a link to an MP3 earlier, cant find it
[14:10] <daveake> Yeah FM quiet here. Switched to CW and I hear the beep
[14:15] <daveake> The APRS is a brief whistle every 1 minute?
[14:15] <Randomskk> sounds likely
[14:15] <Randomskk> you might be able to decode it in fldigi
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[14:16] <daveake> On my FT790R I have 3 FM modes "-", "SIMP" and "+". Does it matter which I use?
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[14:18] <PD3EM_> daveake The + and - are repeater-shifts. Use Simp(lex)
[14:18] <daveake> Tried all 3. Don't hear the beeps in "-" but do in the other 2
[14:18] <daveake> Ta
[14:18] <daveake> Must learn this stuff :)
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[14:18] <Randomskk> it's a big red bee transmitter apparently
[14:18] <daveake> Sounded like morse just now
[14:18] <jcoxon> its defintiely got morse in there
[14:19] <jcoxon> as well as beeps
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[14:19] <Randomskk> okay yes
[14:19] <Randomskk> the morse is a callsign
[14:19] <Randomskk> every 100 beeps
[14:19] <Randomskk> no loc
[14:19] <daveake> cool
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[14:21] <daveake> Randomskk - You said about decoding in fldigi ... you mean the non dl- version has aprs decoding?
[14:21] <jcoxon> daveake, the very newest fldgi can do packet
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[14:21] <daveake> On Windoze?
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[14:24] <jcoxon> if this was rtty i'd be deocding great
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[14:32] <jcoxon> i can hear it from canterbury
[14:32] <jcoxon> but no packet decode
[14:38] <fsphil> what's the usb dial frequency for it?
[14:38] <fsphil> I'm hearing nothing
[14:39] <Hix> fsphil, apparently on FM
[14:39] <Hix> 433.650
[14:42] <Morseman> What are you trying to RX on 433.650?
[14:42] <Laurenceb> what are people talking about?
[14:42] Action: Laurenceb clueless
[14:43] <fsphil> there's a flight transmitting on 433.650
[14:43] <Laurenceb> whos?
[14:44] <fsphil> Project Ather?
[14:44] <fsphil> Aether
[14:44] <Laurenceb> where did it launch from?
[14:44] <Laurenceb> they are using aprs?
[14:44] <Hix> CUSF i think
[14:44] <Laurenceb> ah
[14:44] <fsphil> yea, aprs on fm at 10mw
[14:44] <Laurenceb> hmm
[14:44] <Laurenceb> and its not working?
[14:44] <fsphil> well nobody knows :)
[14:45] <fsphil> it seems to be working but nobody's really tracking it
[14:45] <eroomde> vaguely heard something here
[14:45] <fsphil> I'm listening to see if I can hear it on usb
[14:45] <fsphil> the carrier should be audible
[14:45] <Morseman> Where abouts is it now then?
[14:45] <fsphil> only the people chasing it know
[14:46] <fsphil> hopefully
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[14:46] <Laurenceb> its encrypted
[14:47] <UpuWork> The chip antenna works guys :)
[14:47] <UpuWork> 4 line spam :
[14:47] <UpuWork> http://www.youtube.com/watch?v=xHMIyRIvTEc
[14:47] <UpuWork> http://i.imgur.com/3NhYp.jpg
[14:47] <UpuWork> http://i.imgur.com/Ch9oN.jpg
[14:47] <UpuWork> http://i.imgur.com/UmuI1.jpg
[14:47] <fsphil> don't think so, just nobody is setup to track
[14:47] <daveake> :)
[14:47] <daveake> In TrueTTY, what settings do I need for APRS? Mode=AX25?
[14:47] <fsphil> yea
[14:47] <fsphil> what other modes are there?
[14:48] <daveake> AX25 (UHF) and AX25(HF), MultiFSK (various), various BSPK and QSPK options, rtty, 2 AMTOR options
[14:49] <Hix> UpuWork, they are in then? How long till a soldered up one available
[14:49] <Morseman> If I can record the data I can play it back through later but don't now where to point aNTENNA!
[14:49] <Morseman> Opps - sorry about caps lock
[14:50] <UpuWork> Hey Hix I'm going to start making them tommorrow so if you've ordered I'll start shipping Wed/Thur, I just need to get some test leads so I don't have to solder a header in the board to test each one
[14:51] <Hix> Morseman, http://habhub.org/predict/#!/uuid=6712657f0c00369a2fcbe5e404525bfe04e1e640
[14:51] <Hix> UpuWork, cool - I'll get me order in then.
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[14:54] <Laurenceb> Upu: nice
[14:54] <Laurenceb> are you selling any of these?
[14:55] <UpuWork> yep, premade or just the board if you want it http://ava.upuaut.net/store
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[14:55] <Morseman> Pointed at Cambridge but no signals heard
[14:55] Nick change: AndChat- -> NigeyMoby
[14:56] <eroomde> Laurenceb: which usb stack are you using on the cortex parts?
[14:56] <Laurenceb> rather lame ST app note code
[14:56] <Laurenceb> but it works so *shrug*
[14:57] <Laurenceb> spent ages chasing typos in my linker scripts
[14:57] <Laurenceb> as they used Kiel aiui
[14:59] <eroomde> throughput?
[14:59] <eroomde> (max)
[15:00] <Laurenceb> 1.2MByte/sec with uSD
[15:00] <Laurenceb> uSD-spi-dma-usb
[15:00] <eroomde> why the uSD?
[15:00] <Laurenceb> benchmarked on my ubuntu box
[15:00] <Laurenceb> for lots of storage
[15:01] <Laurenceb> datalogger
[15:01] <Laurenceb> for some reason usb hub slows it down to about 800K
[15:02] <PD3EM_> UpuWork: Looks great! The AVA2 looks even better! When will that be available?
[15:02] <Laurenceb> maybe everything runs at 12Mbps so theres a bottleneck the other side of the hub
[15:02] <eroomde> oh it's low speed
[15:02] <Laurenceb> yeah
[15:02] <eroomde> 'full speed'
[15:03] <Laurenceb> you need PHY for 480
[15:03] <eroomde> rather thyan 'high apeed'
[15:03] <Laurenceb> yeah confusing
[15:03] <eroomde> can the hardware support phy and 480?
[15:03] <eroomde> i need some chip basically that can get 16mbps single bitstream onto a beagleboard
[15:03] <Laurenceb> i cant remember
[15:03] <Laurenceb> F4 can
[15:03] <eroomde> probably via usb
[15:04] <eroomde> basically like a sige front end sampler unit but will work with an armlinux host
[15:04] <Laurenceb> i think maybe some F1 support PHY
[15:04] <Morseman> Think I've now got UI-View working with AGWPE again
[15:04] <Laurenceb> you can get 8mbps sampling through the F1
[15:04] <Morseman> Ooops - forgot to turn TX off!
[15:06] <cuddykid> what's going on with CUSF and APRS? I saw a tweet earlier
[15:06] <Morseman> Try and remember where the local AX-25 mailbox was to see if RXing OK
[15:09] <cuddykid> I thought APRS was illegal in the UK?
[15:09] <Hix> cuddykid, theres one up over southern england at mo
[15:09] <Hix> http://habhub.org/predict/#!/uuid=6712657f0c00369a2fcbe5e404525bfe04e1e640
[15:10] <cuddykid> ahh right Hix, thanks
[15:10] <cuddykid> isn't it illegal though?
[15:10] <cuddykid> I guess not now.. so why haven't we done APRS before?
[15:10] <Laurenceb> at normal aprs frequ
[15:10] <Laurenceb> as the band is allocated differently
[15:12] <Morseman> APRS been in use since late 1990s!
[15:12] <cuddykid> ahh
[15:12] <Morseman> It even has it's own frequency on 2M 144.800MHz
[15:12] <jcoxon> we don't use it as at 10mW its a challenge to decode
[15:13] <eroomde> Laurenceb: i am thinking cortex m3/4 sampling it and just writing it to an sd card will be far less pathological
[15:13] <eroomde> for storing the output
[15:13] <Morseman> I started off using an American program but then UI-View was developed by a Radio Ham in Boston (the UK one)
[15:13] <Hix> After TimZaman 's epic floating antics yesterday I was thinkiing
[15:13] <Laurenceb> eroomde: less pathalogical than what?
[15:13] <Laurenceb> tracking?
[15:14] <Hix> Is there an Iridium or inmarsat option for sms
[15:14] <Morseman> However... APRS on a balloon hasn't been authorised for Amateurs - yet
[15:14] <eroomde> than trying to connect it to a beaglebone
[15:14] <eroomde> for sotrage
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[15:14] <Laurenceb> oh
[15:14] <Laurenceb> yeah
[15:15] <Laurenceb> you dont say
[15:15] <Laurenceb> well i could put a uSD card on the dongle
[15:15] <Laurenceb> but too late now
[15:16] <Morseman> Various online maps so here's one http://www.apritch.myby.co.uk/netaprsuk.htm
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[15:16] <Laurenceb> doh
[15:16] <Laurenceb> that would have also been a very overpowered USB-SD adaptor
[15:17] <eroomde> i just want to log it along with some inertail data for a rocket flight
[15:17] <eroomde> tis all
[15:17] <Morseman> The stations with calls starting "MB7" are internet gateways - I can hear three from up here so it really bungs up 144.800 for 'normal' APRS use...
[15:17] <eroomde> offline sensor fused reconstruction
[15:17] <Laurenceb> eroode: how long do you think it needs to log for?
[15:18] <fsphil> still not hearing anything here. giving up :)
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[15:18] <Laurenceb> eroomde: you could use USART
[15:18] <Laurenceb> wait
[15:18] <Morseman> Off to cllect Kate from railway station as she's been in Sheffield for work today. CUL all
[15:19] <Laurenceb> just use spi to beaglebone?
[15:20] <kokey> has anyone launched with a large mylar balloon yet?
[15:20] <Laurenceb> no :(
[15:20] <Laurenceb> needs to be done
[15:21] <kokey> I remember emailing a manufacturer a few years ago to get an idea of pricing
[15:21] <kokey> had no success really they wanted a lot of details before even wanting to guestimate a price
[15:22] <Laurenceb> i was thinking DIY superpressure tetroon
[15:22] <kokey> the alternative would be to buy the sheets and glue them myself, but I figure it's something that can be screwed up easily
[15:22] <Laurenceb> using amalgamating tape from farnell
[15:22] <cuddykid> Upu/UpuWork: when did your pcbs arrive?
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[15:33] <Hix> any news from CUSF?
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[15:35] <cuddykid> why oh why does windows continually feel the need to install "updates" and then make me restart - ergh, hate it with a passion
[15:35] <Laurenceb> theres this thing called linux
[15:35] <Laurenceb> but that has updates all the time so...
[15:35] <Pavix> you can disable the auto-restart feature. But of course you'd be stuck getting a popup reminding you to restart every 4 hrs
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[15:36] <Hix> just disable updates
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[15:38] <cuddykid> I suppose
[15:39] <Pavix> gpedit.msc - Computer Configuration - Administrative templates - Windows Components - Windows update - No auto-restart with logged on users for scheduled automatic updates installations
[15:40] <Pavix> Just set that to enable
[15:41] <cuddykid> cheers
[15:41] <Pavix> Time to goto work and see how many people forgot their AD credentials in the span of 2 days...afk
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[15:58] <Randomskk> the aprs bearing balloon is down
[15:59] <Randomskk> it's not one of ours, just to clarify, just launching from churchill
[15:59] <Randomskk> they managed to get decodes
[15:59] <Randomskk> but also their SPOTs checked in
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[16:06] <eroomde> Randomskk: does the websvn still exist?
[16:06] <Randomskk> no
[16:06] <Randomskk> what do you want from it?
[16:07] <Randomskk> (also: https://randomskk.net/u/wombat.png 49x49mm, STM32 F4, ublox neo-6, micro sd card, adf7012 radio, 3v3 smps)
[16:07] <Randomskk> 600 vias
[16:08] <Randomskk> for an average of 24 vias per square centimeter
[16:08] <jonsowman> haha
[16:08] <jonsowman> so many vias
[16:08] <eroomde> blimey
[16:08] <Randomskk> managed to make it two layers
[16:09] <Randomskk> though I feel a bit bad. the ground plane is fine around the gps and radio, though
[16:09] <Randomskk> just there isn't much ground plane left for the stm32
[16:09] <Randomskk> anyway I emailed them the board files at 5AM to manufacture as fast as they can
[16:09] <Randomskk> meanwhile I'm getting a (plastic) stencil made and that should be here tomorrow
[16:09] <Randomskk> and the farnell order is in and should hopefully also turn up tomorrow
[16:10] <eroomde> my stuff arriving on friday, it turns out
[16:10] <Randomskk> so tonight I'll write code to parse gps and spit out telem over the radio using my dev boards
[16:10] <eroomde> that board is dense
[16:10] <Randomskk> then tomorrow after my 6 hours of lectures I will solder this through the night
[16:10] <Randomskk> wednesday morning is contingency time
[16:10] <Randomskk> and then hopefully fly it wednesday
[16:10] <jonsowman> :D
[16:10] <Randomskk> it's a real pity I have lectures all day tuesday as there's an amazing flight path from a 10AM launch tomorrow
[16:11] <Randomskk> hmm monday 5th is looking good too actually jonsowman
[16:11] <Randomskk> though that's a bit far away
[16:12] <fsphil> that the one that more or less circles cambridge?
[16:12] <Randomskk> but yea, 10am tomorrow lands just by grantchester
[16:12] <jonsowman> Randomskk: yeah i was just looking at that
[16:12] <jonsowman> that can be our backup
[16:12] <Randomskk> :P
[16:13] <jonsowman> midday monday is good
[16:13] <UpuWork> costyn about ?
[16:13] <costyn> UpuWork: hiya
[16:14] <UpuWork> PM
[16:16] <UpuWork> daveake about ?
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[16:19] Action: daveake looks around
[16:19] <daveake> Nope
[16:19] <costyn> heh
[16:19] <fsphil> spotted
[16:19] <daveake> damn
[16:19] <daveake> plan foiled
[16:21] <Laurenceb> http://www.runryder.com/helicopter/gallery/5638/scan0002.jpg
[16:22] <costyn> Laurenceb: impressive
[16:27] <nigelvh> "You don't have permission to access /helicopter/gallery/5638/scan0002.jpg on this server."
[16:27] <daveake> worked here
[16:28] <nigelvh> Perhaps we in the states aren't special enough...
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[16:42] <eroomde> runryder is american
[16:42] <eroomde> i used to be on it
[16:42] <eroomde> mainly people from georgia talking about how we should nuke dem towl heads
[16:42] <eroomde> if i remember correctly
[16:43] <fsphil> urg
[16:45] SamSilver (2985f53b@gateway/web/freenode/ip.41.133.245.59) joined #highaltitude.
[16:46] <nigelvh> Excellent choice in "spelling"
[16:46] <kokey> nice hair cut
[16:47] <Hix> Le Grande Mullet
[16:49] <cuddykid> ergh - can't put a "do while" inside a switch apparently :(
[16:49] <nigelvh> Hmm. Got it to load on my iPad. Windows desktop hates it.
[16:49] <nigelvh> But it is a server side 403: Forbidden, so they've got something funky.
[16:50] <nigelvh> Also, I'm not interested in being scalped.
[16:54] <daveake> You need some of this - http://www.ebay.co.uk/itm/1mm-Nylon-cord-thread-HUGE-150m-roll-PINK-/300670840106?pt=UK_Crafts_JewelleryMaking_GL&hash=item460160ed2a#ht_2236wt_1396
[16:55] <Hix> that's go well with the bright pink coax from yesterday
[16:55] number10 (569a24ab@gateway/web/freenode/ip.86.154.36.171) joined #highaltitude.
[16:56] <Hix> that's
[16:56] <Hix> that'd
[16:56] <Hix> jeez
[16:56] <daveake> Wrong window - that was for UpuWork :p
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[16:58] <fsphil> there's enough pink in the hab world as it is
[16:58] <fsphil> need more totally black payloads :)
[16:58] <daveake> :D
[16:58] <Hix> gold foil
[16:59] <Hix> that's stop ze gremans robbing payloads on landing
[16:59] <fsphil> I had silver foil, it just helped it blend into the trees
[16:59] <Hix> germans
[16:59] <daveake> A payload with black controls, which are labeled in black on a black background?
[16:59] Action: UpuWork stabs fsphil
[16:59] <fsphil> it's about as rock and roll as you can get
[16:59] <UpuWork> there is never enough pink
[17:00] <daveake> Pink works - http://www.daveakerman.com/wp-content/uploads/2012/02/P1030873-1024x682.jpg
[17:00] <UpuWork> see
[17:00] <UpuWork> a prime examplle
[17:01] <daveake> Bo(u)y was that a pleasant sight!
[17:02] <number10> the jokes are getting...
[17:03] <nigelvh> Don't forget the black indicator lights.
[17:05] <number10> its all the trend http://www.amazon.co.uk/dp/B002BWPDE8/ref=asc_df_B002BWPDE86752647?smid=A3P5ROKL5A1OLE&tag=hydra0b-21&linkCode=asn&creative=22206&creativeASIN=B002BWPDE8
[17:05] <Hix> Black UV LEDs
[17:06] <nigelvh> UV isn't black enough. We need it to absorb ALL wavelengths of electromagnetic radiation.
[17:06] <eroomde> orange
[17:06] <nigelvh> Close enough.
[17:06] <eroomde> orange seems to have a fan club of 1
[17:06] <Hix> 2
[17:06] <x-f> 3
[17:06] <Hix> Fluoro
[17:07] <eroomde> good
[17:07] <eroomde> yes flouro
[17:07] <Hix> brightest possible
[17:07] <Hix> retina burningt
[17:07] <eroomde> my chutes are flouro ripstop orange nylon too
[17:07] <Hix> just bought 10m of MIL fluoro orange ripstop
[17:08] <cuddykid> don't you just love when code just works :D
[17:08] <daveake> To settle the argument, fly several payloads one of each colour, land them in Germany, and see which gets stolen first :)
[17:08] <Hix> :D
[17:09] <number10> are you sure cuddykid ;)
[17:09] <Hix> Right Bright fluoro orange with RAF roundel and explosive hazard warning stickers
[17:09] <cuddykid> haha well& number10 :P
[17:09] <MLow-werk> coool
[17:09] <cuddykid> so far so good
[17:09] <MLow-werk> my work upgraded internet, to 1000/768kbps
[17:10] <daveake> up?
[17:10] <eroomde> missing a 0?
[17:10] <Hix> Mbps :D
[17:10] <daveake> or B
[17:10] <MLow-werk> no :(
[17:10] <MLow-werk> 1000 down
[17:10] <MLow-werk> 1meg
[17:11] <cuddykid> lol
[17:11] <nigelvh> What was it before?
[17:11] <eroomde> are you on mars?
[17:11] <cuddykid> dial up?
[17:11] <daveake> string
[17:11] <MLow-werk> like 384/256
[17:11] <Hix> two cups ,linked by string
[17:11] <nigelvh> I'm sorry.
[17:11] <MLow-werk> were a place taht employs 50 or so and offers free wifi
[17:11] <nigelvh> I'm really sorry.
[17:11] <Hix> on the brightisde uploads are reasonable......
[17:11] <cuddykid> upload is better than what I have at home
[17:12] <MLow-werk> thats like 80KB/s
[17:12] <MLow-werk> upstream
[17:12] <nigelvh> At my best, I get 5-6mbit up and up to about 100mbit down.
[17:12] <nigelvh> At home.
[17:12] <MLow-werk> 120KB/s
[17:12] <MLow-werk> down
[17:12] <Hix> I have 1800 down 1600up
[17:12] <Hix> kbps
[17:12] <cuddykid> here: 17ms ping, 99mbps down, up to 20mbps up
[17:13] <eroomde> 30Mb cable at home
[17:13] <eroomde> joys of living relatively centrally
[17:13] <MLow-werk> We're a place that gets like 200-300 patrons a day, with smartphones/laptops/tablets, that use our wifi
[17:13] <cuddykid> yeah, that does kill the connection
[17:13] <MLow-werk> The thing is, people refuse to take our money
[17:14] <MLow-werk> we had them come out and do a qoute for us for faster internet and they just never called back
[17:14] <nigelvh> I just wish google chose seattle instead of kansas city for their gigabit fiber project.
[17:14] <nigelvh> That delicious delicious fiber.
[17:14] <fsphil> mmmm
[17:14] <MLow-werk> there is fiber here
[17:14] <MLow-werk> funny thing
[17:14] <cuddykid> I'm glad we've got virgin media over here :P
[17:14] <MLow-werk> were on cable though
[17:14] <fsphil> we have fibre to the office
[17:14] <fsphil> 80Mbit/s :)
[17:15] <MLow-werk> your torrents must be fast
[17:15] <MLow-werk> :P
[17:15] <fsphil> I've only downloaded a few ISO's so far
[17:15] <MLow-werk> of linux distributions of course
[17:15] <fsphil> totally
[17:15] <nigelvh> A linux iso in about a minute. I enjoy it.
[17:16] <cuddykid> that's enough java for now, off to tesco
[17:17] <nigelvh> Most of the time torrents are slower for me though. I try to get a direct download.
[17:17] <nigelvh> Pick some big university mirror or something.
[17:25] tzaman (~chatzilla@53560051.cm-6-7a.dynamic.ziggo.nl) joined #highaltitude.
[17:25] <tzaman> AHAHAh
[17:25] <tzaman> i have some news
[17:25] Nick change: tzaman -> TImZaman
[17:25] Nick change: TImZaman -> TimZaman
[17:25] <TimZaman> who wants to hear it
[17:25] <TimZaman> hahahahahahaha
[17:25] <daveake> mememe
[17:25] <TimZaman> hahahahaha
[17:25] <TimZaman> Payload Recovered
[17:25] <daveake> woohoo
[17:25] <TimZaman> that's 5/5!
[17:25] <TimZaman> gotta love zie germans
[17:25] <daveake> so what happened?
[17:25] nosebleedkt (~nosebleed@ppp046177035169.dsl.hol.gr) joined #highaltitude.
[17:25] <TimZaman> a guy called
[17:25] <TimZaman> he said he found my box
[17:25] <daveake> :)
[17:26] <TimZaman> from Weimar
[17:26] <TimZaman> didnt speak english, and again, the spelling of the emialadress was a whole lot of fun
[17:27] <TimZaman> i want to know where he's at, does anyone know how to reverse search a home number to a street adress
[17:27] <Hix> Cool -recovered :D
[17:29] <TimZaman> oh very cool yes i agree
[17:29] <TimZaman> sounded like a 30yo guy
[17:29] <Hix> TimZaman, http://www.dastelefonbuch.de/
[17:29] <TimZaman> but how to reverse check it?
[17:30] <eroomde> scan it mit das blinkenlights
[17:31] <TimZaman> what
[17:32] <Upu> lol
[17:32] <MLow-werk> god
[17:32] <MLow-werk> Trying to put a reservation in and the webpage just sits loading
[17:32] <Upu> seriously Tim
[17:32] <Upu> go do the lottery this weekend
[17:32] <daveake> :D
[17:32] <daveake> I thought I was lucky when mine floated back to me :)
[17:32] <TimZaman> Upu; well i just think that my payloads are generally so pretty
[17:33] <TimZaman> that anyone who finds it would see it as a work of priceless passion
[17:33] <TimZaman> and would want nothing more to return it for a hefty ransome
[17:33] <TimZaman> ransom
[17:33] <Upu> TimZaman we have saying here "fall in a bucket of shit and come out smelling of roses"\
[17:33] <TimZaman> Ransom? is that a word?
[17:33] <Upu> yes
[17:33] <Hix> Upu, :D
[17:33] <TimZaman> RansomSsk
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[17:34] <TimZaman> its always so much fun spelling out your emailadress in german
[17:34] <TimZaman> we have been on that for 10 minutes
[17:34] <daveake> Is his herman_the_german@gmail.com ?
[17:34] <TimZaman> that'd have been easy
[17:34] <Upu> where is lunar anyway
[17:35] <TimZaman> we ended up me spelling my own adress as his was to difficult
[17:35] <daveake> You don't find lunar; he finds you
[17:35] <TimZaman> we could not distinct "P" from "B" so we stopped trying
[17:37] <nigelvh> You could text it to him if he were on a mobile phone
[17:37] <TimZaman> nope
[17:37] <TimZaman> he wasnt really high tech
[17:37] <nigelvh> Damn
[17:37] <TimZaman> i had to spell out G M A I L . C O M
[17:38] <MLow-werk> Golf Mike Alpha India Lima
[17:38] <TimZaman> hahahahahaha
[17:38] <nigelvh> I'm trying to think how I would go about communicating that, and ending up going to my swedish lessons a while ago.
[17:38] <TimZaman> seriously, the P and B is a problem
[17:38] <TimZaman> and then he had a "-" in it
[17:38] <MLow-werk> Papa and Bravo sound nothing alike
[17:39] <TimZaman> MLow-werk: yeah i used that
[17:39] <TimZaman> and he didnt understand why i said papa
[17:39] <MLow-werk> :S
[17:39] <MLow-werk> color me surprise
[17:39] <nigelvh> That is the point of the phonetic alphabet, is that they all sound different
[17:39] <TimZaman> i spelled the "E" in my emailadress as ENTSCHULDIGUNG, which is a german apology, very smart.
[17:39] <TimZaman> nighelvh yeah but you have to both pronounce it well
[17:39] <MLow-werk> It must be since you said so
[17:39] <eroomde> b - blitzkreig, nein panzer
[17:40] <TimZaman> hahahahah
[17:40] <TimZaman> yeah i did "R" von REIN
[17:40] <MLow-werk> I'm hanging on my chairs edge what happens next
[17:40] <TimZaman> hahaha
[17:40] <MLow-werk> does he get the address correct before the bomb goes off?
[17:40] <TimZaman> hahahahahahah
[17:40] <nigelvh> dun Dun DUUUNNN!
[17:40] <TimZaman> it's actually possible that if he presses the big button inside my case there will be a singularity and we antimatter will be released
[17:40] <MLow-werk> seriously write this up as a suspenseful blog
[17:41] <Hix> spose your uncontrolled nichrome would have got fingers out pretty quick
[17:41] <nigelvh> But is it a quantum button that you don't know if it's been pressed till it's been pressed?
[17:41] <TimZaman> Oooo i got pictures!
[17:42] <MLow-werk> nigelvh: only if it's in a box with a cat
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[17:42] <MLow-werk> and the cat presses the button, or does he?
[17:43] <MLow-werk> unt cesium isotope in ze box wit kittan
[17:43] <nigelvh> Also, some poison, and a hammer
[17:43] <MLow-werk> rube goldber fan he must have been
[17:43] <nigelvh> Aren't we all?
[17:43] <MLow-werk> we?
[17:44] <nigelvh> Everyone
[17:44] <nigelvh> Or noone
[17:44] <MLow-werk> You must have me confused with someone who's smart
[17:44] <nigelvh> Quantum we. Till we poll ourselves.
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[17:45] <nigelvh> Also, you're a quantum genious, till you're asked to perform a test.
[17:45] <MLow-werk> There's a chance, we may only know how many though
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[17:47] <nigelvh> Also, TimZaman.
[17:47] <TimZaman> actually sometimes i am afraid that when i do something i will provoke cosmic singularity, kickstarting the inversion of the BigBang phenomenon
[17:47] <nigelvh> "Pictures or it didn't happen"
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[17:49] <costyn> TimZaman: most excellent news dude! :D
[17:49] <TimZaman> hahahaha
[17:49] <TimZaman> here come the pics
[17:49] <TimZaman> http://imgur.com/a/kN4E6
[17:50] <TimZaman> did anyone say Damage?
[17:50] <TimZaman> geezuus man the whole thing has shifted
[17:50] <costyn> well theres a big black hole on the side... o wait, that was there when it took off :P
[17:50] <TimZaman> all the slices are at an offset, especially the most outter ones
[17:50] <nigelvh> Nice job dude.
[17:50] <TimZaman> i ask myself, are there any cooler projects than HAB?
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[17:51] <costyn> with your nice gay pride flag on the side still intact
[17:51] <costyn> oh wait...
[17:51] <TimZaman> costyn: seriously dont turn people off in this chatbox you will get hatemail like i did yesterday
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[17:51] <nigelvh> There are few. I enjoy the high powered rocketry pretty well.
[17:51] <MLow-werk> whats up with the stick on the but
[17:51] <TimZaman> yeah okay but you dont have floatomatic 900s
[17:52] <TimZaman> MLow-werk: antenna?
[17:52] <daveake> Has that thing been thru re-entry?
[17:52] <nigelvh> Floatomatic 900s?
[17:52] <TimZaman> nigelvh: wrong version?
[17:52] <jcoxon> yes, can we keep the chat on this channel civili please
[17:52] <jcoxon> civil*
[17:52] <TimZaman> you know, 1600g whoyee's
[17:53] <nigelvh> whoyee?
[17:53] <TimZaman> jcoxon: :)
[17:53] <jcoxon> as we don't normally have ops and I'd hate to have to go down that route
[17:53] <nigelvh> If you mean a 1600g balloon, then yes.
[17:53] <costyn> I wans't out of line was I?
[17:53] <TimZaman> jcoxon: i havent seen a single uncivilized line so so far so good
[17:53] <MLow-werk> what did he say?
[17:53] <TimZaman> costyn: not at all.
[17:54] <TimZaman> MLow-werk: he said the word "gay" :P
[17:54] <jcoxon> i'm refereing to yesterdays ups and downs
[17:54] <costyn> TimZaman: it's filled with English people, can't really expect anything else than civil conversation
[17:54] <MLow-werk> oh noes gay people
[17:54] <NigeyS> oi im welsh not english! :@
[17:54] <TimZaman> entirely different altogether
[17:54] <costyn> MLow-werk: hehe that color scheme needs some explanation, it has a polaroid camera in it, so Tim thought it fun to put the logo on the side too, hence the colors, but I couldn't resist poking some fun at Tim
[17:55] <MLow-werk> seriously gay people take a lot of flak here they are tougher than the average straight guy
[17:55] <MLow-werk> Texas
[17:55] <TimZaman> MLow-werk: yeah i thought the polaroid color scheme was nice, then when i was done painting i realized i had made a HAB with the pro-bisexualflag on it :)
[17:55] <nigelvh> I suspect so down in texas. I would also suspect they've got it a bit easier up here in washington. However, i can't really speak to that as I've never lived it.
[17:55] <costyn> MLow-werk: ow yea I can imagine
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[17:56] <MLow-werk> I'm color blind so I saw no gay flag
[17:56] <TimZaman> :) anyway!
[17:56] <MLow-werk> I see one beat up ass box though let me tell you.
[17:56] <TimZaman> retrieved, good!
[17:56] <TimZaman> yeah its got a lot of kicking
[17:56] <costyn> I remember that Top Gear episode where they did a road trip through southern USA and some of the locals were not amused by the suggestively gay phrases on the cars
[17:56] <TimZaman> ill post a "before" picture now
[17:57] <MLow-werk> My box looks beat up and it hasnt done anything but sit in my garage! lol
[17:57] <costyn> TimZaman: good to see he didn't tear it apart like the last lady that found it
[17:57] <Hix> man love rules springs to mind
[17:57] <TimZaman> yeah that's amazing!
[17:57] <TimZaman> although he might have opened it up a bit
[17:57] <TimZaman> he has even taken the time to lift it
[17:59] <costyn> and take pics and send them to you :)
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[18:00] <costyn> TimZaman: can I post a link to the pics to my facebook thread?
[18:00] <TimZaman> no
[18:00] <costyn> k
[18:00] <TimZaman> ;)
[18:00] <TimZaman> jk
[18:01] <costyn> well you never know... :)
[18:01] <TimZaman> wwoooow in that one picture, do you see the grey pipe?
[18:01] <TimZaman> its like sucked vacuuum
[18:01] <TimZaman> i have had that in the previous launch as well
[18:02] <TimZaman> ooooooooohohoh i want the picturesss
[18:02] <costyn> yea it's the foam cells that burst and then have no more structural integrity
[18:02] <nigelvh> What's the pipe for?
[18:02] <TimZaman> and the video from the gopro inside
[18:02] <TimZaman> nighelvh its a light but very strong pipe in which the antennawire is
[18:02] <costyn> TimZaman: it's foam pipe insulation right?
[18:02] <TimZaman> its like a insulatorpipe made out of some bendy styrofoam stuff
[18:03] <nigelvh> Ah. Antenna support then. I just use a small coaxial dipole and let it hang freely.
[18:03] <TimZaman> costyn: confirmed
[18:03] <TimZaman> nigelvh: yeah but this looks more awesome
[18:03] <nigelvh> If you insist.
[18:03] <TimZaman> btw i think im also the only one making tinfoil groundplanes all the time
[18:03] <nigelvh> We do those sometimes
[18:03] <TimZaman> rly? just as awesome?
[18:04] <nigelvh> Helps keep the xmit out of the GPS
[18:04] <TimZaman> actually i stacked the gps ant right next to the ntx2 this time
[18:04] <TimZaman> worked kinda okay i guess
[18:04] <nigelvh> You're probably fine. We only run into the issue when using 5W ATV and the gps is old and kinda finicky.
[18:05] <costyn> yea range was perfect
[18:05] <TimZaman> costyn: would be cool if the computer kept logging the gps up to today :)
[18:06] <TimZaman> nigelvh: yeah but it got a lot of beating
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[18:07] <TimZaman> same parachute i have used 5 times now haha
[18:07] <costyn> yea but it probably doiesn't get a good gps signal inside his garage there
[18:07] <TimZaman> spherachutes +10
[18:07] <TimZaman> chute looks entangled with the balloonneck though..
[18:08] <costyn> does yea
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[18:08] Nick change: Nigel_ -> Guest33938
[18:09] <TimZaman> me and costyn before launch: http://i.imgur.com/Zc6g7.jpg
[18:09] <TimZaman> see how straight the stick was?
[18:10] <cuddykid> congrats TimZaman
[18:10] <fsphil> looks like a lollypop
[18:10] <costyn> at that point I was thinking surely we've forgotten to check something
[18:10] <TimZaman> costyn: yeah we forgot the minispy cam
[18:10] <costyn> and to check the gps lock hehe
[18:10] <TimZaman> yeah we forgot to check the gps lock
[18:10] <fsphil> Tim looks like he's about to go all ninja on you costyn :)
[18:10] <TimZaman> when we let it go it just barely has timelock
[18:11] <TimZaman> fsphil: costyn did not dare to let go hahahaha
[18:11] <TimZaman> i have to say, it is always kind of scary when you get go of the neck
[18:11] <costyn> it is
[18:11] <costyn> feels like no way back
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[18:12] <costyn> fsphil: :)
[18:12] <MLow-werk> TimZaman: look kinda scragly on the right?
[18:13] <TimZaman> scragly?
[18:13] <costyn> he's just got a nice 5 day beard going there
[18:13] <eroomde> beard
[18:13] <NickB1> TimZaman, any news on the payload ?
[18:13] <TimZaman> more like 2 week beard :)
[18:13] <MLow-werk> I wont lie it looks like a tiny gay house :S
[18:14] <costyn> lol
[18:14] <MLow-werk> But glad it all worked out
[18:14] <TimZaman> MLow-werk: jealous!
[18:14] <MLow-werk> Mine looks like a duct tape ball
[18:14] <TimZaman> :P NickB1 its been found
[18:14] <costyn> NickB1: so yea, news = recovered
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[18:14] <TimZaman> before launch: http://i.imgur.com/Zc6g7.jpg after launch: http://imgur.com/a/kN4E6
[18:14] <MLow-werk> Duct tape the maniest of tape
[18:14] <NickB1> nice! back already or posted ?
[18:15] Nick change: Guest33938 -> NigeyS
[18:15] <MLow-werk> So your chute is not connected via the top to the balloon?
[18:15] <costyn> causes drag on the way up and the way down
[18:15] <costyn> but this works nicely I think
[18:16] <TimZaman> how many deutschmark is 75E?
[18:16] <costyn> lol
[18:16] <TimZaman> oh wait
[18:17] <MLow-werk> I was thinking I could cut and hem a hole on the chute
[18:18] <MLow-werk> But not so confident in my sewing skills
[18:18] <MLow-werk> I got it embroidered with my cell number lol
[18:19] <TimZaman> hahahahah
[18:19] <TimZaman> smart though, waterresistant
[18:19] <costyn> be sure to include coutnry code in case it goes walkabout :P
[18:19] <TimZaman> oh yeah, Tims tip of the week: countrycode!
[18:19] <MLow-werk> our country code is pretty easy to remember i think i might call it a loss if it goes south of the border
[18:20] <MLow-werk> Mexican government might freak out
[18:20] <costyn> heh
[18:20] <TimZaman> Let's not start with the mexican government :P
[18:21] <MLow-werk> Alien-o's
[18:21] <costyn> anyways, gotta go. be back later
[18:21] <MLow-werk> Sending duct tape box bombs
[18:21] <MLow-werk> later
[18:21] <TimZaman> yeah the HAB game is going to be so over once that happens
[18:22] <TimZaman> o wait the japanese tried that once without much success
[18:22] <NickB1> indeed
[18:22] <TimZaman> http://en.wikipedia.org/wiki/Fire_balloon
[18:22] <TimZaman> phew
[18:23] <NickB1> a kill rate of 0.067%
[18:23] <NickB1> makes HABing pretty safe :)
[18:23] <TimZaman> oh well
[18:24] <Hix> NickB1, FireHABing
[18:24] <TimZaman> i let you guys know when i know more! i just sent the guy his findersfee and i hope he will send it on his way!
[18:24] <TimZaman> thanks for tracking eveyrone agian
[18:24] <TimZaman> NickB1: thanks for tracking yesteryday, you had a nice location
[18:24] <TimZaman> bb
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[18:35] <Randomskk> anyone know of a C NMEA parsing library?
[18:35] <Randomskk> (tinygps is c++)
[18:36] <PD3EM> TimZaman: Great that the payload is recovered! Hope you'll have it back soon! Succes met de volgende ballon ;-)
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[18:40] <The-Compiler> Randomskk: http://lmgtfy.com/?q=nmea+c+library :P
[18:40] <Randomskk> thanks
[18:40] <Randomskk> >_>
[18:41] <The-Compiler> scnr ;)
[18:42] <Hix> :D
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[18:47] <cuddykid> lol
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[19:10] <Hix> is leaving work :) bye
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[19:28] <futurity> Hi, does anyone know if the payload from Saturday's launch was found?
[19:28] <futurity> May have been sunday i can't remember now LOL
[19:29] <daveake_> Yes, it was
[19:29] <futurity> Fantastic
[19:29] <futurity> by the owner of the payload, or by a local person?
[19:29] <costyn> TimZaman: really curious to see what's on the polaroids
[19:30] <daveake_> A local called Tim today
[19:30] <futurity> Fantastic news
[19:30] <futurity> digital or film camera?
[19:31] <futurity> Guessing film from polaroids
[19:31] <costyn> futurity: yea film
[19:31] <costyn> futurity: but also 2 digital powershots and a gopro for fiml
[19:31] <costyn> s/film/video
[19:31] <futurity> lol, cool. For a second there I thought film only and you'd need a lot of film for that long flight
[19:32] <futurity> should be great footage hopefully
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[19:32] <costyn> well the polaroid camera had 8 slides but it seems it triggered at 13KM, a little too early.
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[19:33] <futurity> I was trying to get in contact with a friend in East Germany, but i don't need to both him now that it's been found
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[19:47] <Laurenceb_> balloon has been found?
[19:48] Action: Laurenceb_ cant be bothered to get up at 6am wednesday
[19:48] <chris_99> haha, i'm getting up at that time
[19:48] <Randomskk> hey Laurenceb_ what do you use as a base for stm32 projects these days?
[19:48] <Randomskk> (finished routing the board btw and sent it off for manufacture this morning: https://randomskk.net/u/wombat.png )
[19:49] <Laurenceb_> just stuff from your example project
[19:49] <Laurenceb_> ive changed the linker scripts and stuff
[19:50] <Laurenceb_> then STPeriph lib -
[19:50] <Laurenceb_> ive done a couple of chibios projects too
[19:50] <Randomskk> oh okay :P I was wondering if there was something better yet
[19:50] <Randomskk> yea same
[19:50] <Randomskk> about to start the code for this
[19:50] <Randomskk> debating using chibios
[19:50] <Randomskk> also debating using libopencm3
[19:50] <Laurenceb_> but its nice to be able to do more bare metal stuff
[19:50] <Randomskk> which seems to be getting pretty good
[19:50] <Laurenceb_> i think the libraries are a little overrated
[19:50] <Laurenceb_> its not too hard to just use the registers
[19:50] <Randomskk> well if nothing else it contains register definitions
[19:50] <Laurenceb_> yeah
[19:50] <Randomskk> otherwise you have to look them all up yourself
[19:51] <Randomskk> but I'm not opposed to using convenience functions
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[19:52] <Laurenceb_> ive just finished some code to generate orthogonal frequencies with pwm
[19:53] <Randomskk> so you're using the cmsis_cm3 stuff?
[19:53] <Randomskk> ugh I forgot how much more hassle this is than AVR
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[19:56] <cuddykid> ping Upu
[20:01] <Laurenceb_> Randomskk: yeah
[20:01] <Laurenceb_> tbh its a bit of a mess
[20:01] <Laurenceb_> but it works
[20:02] <Laurenceb_> chibios has the advantage that its more organised
[20:02] <Randomskk> libopencm3 seems really neat now actually
[20:02] <Laurenceb_> yeah
[20:02] <Laurenceb_> i might try it
[20:02] <Randomskk> their example projects include a USB DFU bootloader, USB serial port, a ton of other stuff
[20:02] <Randomskk> and seemingly avoids the need for an absolute ton of other crap
[20:02] <Laurenceb_> neat
[20:02] <Laurenceb_> ive got libmaple working too
[20:02] <Randomskk> oh nice
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[20:02] <Laurenceb_> i ended up wiritng my own i2c code
[20:02] <Laurenceb_> that seems to work now
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[20:03] <Laurenceb_> couldnt find anyone who had made i2c method2 work with interrupts
[20:03] <Laurenceb_> that was tricky
[20:03] <Laurenceb_> there loads of hardware bugs
[20:04] <Laurenceb_> but yeah, i need OFDM modulated LEDs
[20:04] <Laurenceb_> you cant do that with pwm ordinarily
[20:04] <Laurenceb_> as you can get periods at constant offsets, but not frequencies
[20:05] <Laurenceb_> so i dither the auto reload register value
[20:05] <Laurenceb_> by one lsb every so often
[20:06] <Laurenceb_> which you can do by turning off buffering, loading the register with the dithered vlue, turning on buffering, loading with the normal value
[20:10] <Randomskk> <:/
[20:10] <Randomskk> dirty :P
[20:10] <Randomskk> sounds cool though
[20:10] <Randomskk> why are you doing OFDM to LEDs?
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[20:10] <Laurenceb_> for a spectrometer
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[20:11] <Laurenceb_> http://www.theregister.co.uk/2012/02/27/playboy_club_in_space/
[20:11] <Laurenceb_> wuttt
[20:13] <cuddykid> hahahahahaha
[20:14] fsphil-laptop (~phil@2001:8b0:34:1:219:d2ff:fe09:a6b9) joined #highaltitude.
[20:14] <Laurenceb_> the graphics are priceless
[20:15] <cuddykid> indeed
[20:15] <cuddykid> maybe in 100years time
[20:15] <cuddykid> I quite like the bit about machine gunning supplies up lol
[20:16] Action: cuddykid wonders about a gun attached to a HAB
[20:16] <nigelvh> I've been considering putting my 1Watt blue laser on one.
[20:16] <nigelvh> Or using it as a cutdown from the ground.
[20:17] <cuddykid> yes, do it! night time tab mission
[20:17] <cuddykid> *hab
[20:18] <nigelvh> I don't know what the burning distance is. However, from a few inches it burns real good.
[20:18] <cuddykid> I want to do a night time mission very soon
[20:18] <cuddykid> possibly the next one
[20:18] <cuddykid> but the problem is getting good winds and a clear sky
[20:19] <nigelvh> We're going to do at least one night rocket launch here in a couple weeks.
[20:19] <cuddykid> nice
[20:19] <nigelvh> Put some superbright leds on there
[20:19] <cuddykid> I've got a big high powered led
[20:19] <cuddykid> yeah
[20:19] <nigelvh> Then go track it down in the dark too.
[20:20] <nigelvh> That's the advantage of the desert there. Nothing to run into. Set the cruise control and take a nap if you want to.
[20:20] <TimZaman> i wont put any bright lights on the payload during nighttime if i were you, might distract a lot of people
[20:20] <nigelvh> UFO!!!!
[20:20] <nigelvh> That'd get the government's attention in a hurry.
[20:21] <nigelvh> Especially if it's got a 1W blue laser on it.
[20:22] <nigelvh> blinding pilots, blinking brightly, and flying through the air.
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[20:24] <cuddykid> haha :P
[20:25] <cuddykid> I think it would be alright (ish) to track down in the dark
[20:25] <cuddykid> my backup sms tracker is incredibly accurate
[20:25] <cuddykid> just get a location then use my garmin to trek to it
[20:25] <cuddykid> also - with a loud buzzer it should be fine
[20:28] <costyn> ad
[20:28] <costyn> erp
[20:28] <costyn> wrong window
[20:29] <Laurenceb_> derp
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[20:32] <cuddykid> ergh - "content stopped working", bloomin iplayer
[20:35] <Laurenceb_> try jplayer
[20:36] <Randomskk> hmm Laurenceb_ it looks like libopencm3 just makes life a million times easier
[20:36] OZ1SKY_Brian (~Brian@x1-6-20-4e-7f-c8-44-7a.k599.webspeed.dk) joined #highaltitude.
[20:36] <Randomskk> I have main.c, a four line linker script, their makefile, that's it
[20:37] <Laurenceb_> does it come with linker scripts and everything?
[20:37] <Laurenceb_> oh wow
[20:37] <Randomskk> yea
[20:37] <Laurenceb_> i had issues with interrupts not linking
[20:37] <Laurenceb_> took ages to fix everything
[20:37] <Laurenceb_> -with your code
[20:38] <Randomskk> :P
[20:38] <OZ1SKY_Brian> hi, any news on pd4ta?
[20:38] <Randomskk> linker scripts are bloody annoying
[20:39] <Laurenceb_> do they have any nice helper functions yet?
[20:39] <Laurenceb_> is the wiki up to date?
[20:39] <fsphil-laptop> OZ1SKY_Brian, someone found it
[20:39] <PD3EM> OZ1SKY_Brian: Tim has been in contact with a German guy who found the payload
[20:40] <Laurenceb_> PD3EM: had it been moved?
[20:40] <PD3EM> Laurenceb_: I think so. D
[20:41] <Randomskk> Laurenceb_: not sure, but the wiki indicates that they do for a lo of things
[20:42] <OZ1SKY_Brian> ok that sounds great, so its not lost
[20:44] <PD3EM> OZ1SKY_Brian: There was a link here earlier with 2 photo's of the recovered payload
[20:46] <OZ1SKY_Brian> PD3EM ok can you repost it, i cant see it
[20:47] <PD3EM> OZ1SKY_Brian: I have't got the link. saw it earlier when I wasn't home..... I hope someone else can post the link
[20:48] <fsphil-laptop> man my wifi is awful
[20:48] <OZ1SKY_Brian> PD3EM ah ok
[20:49] <OZ1SKY_Brian> fsphil-laptop whats wrong?
[20:49] <fsphil-laptop> OZ1SKY_Brian, http://imgur.com/a/kN4E6
[20:49] <fsphil-laptop> no idea, just realllly slow
[20:50] <fsphil-laptop> launch pic: http://i.imgur.com/Zc6g7.jpg
[20:50] <OZ1SKY_Brian> thanks, it looks broken. was it a ham who found it or just one passing by?
[20:50] <fsphil-laptop> passer by from the sounds of it
[20:50] <PD3EM> fsphil-laptop: Thanks !
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[20:51] <OZ1SKY_Brian> looks pretty big the payload
[20:51] <fsphil-laptop> doesn't it!
[20:52] <fsphil-laptop> the signal sounded like it was spinning seriously fast after burst, the shape might explain that
[20:52] <OZ1SKY_Brian> yes
[20:53] <OZ1SKY_Brian> next time we should have a tracker in CZ, root have the software installed now and another one in Hamburg. Should improve tracking
[20:54] <OZ1SKY_Brian> but i still think a alert list could be nice. A list (not public) with email and/or sms info
[20:55] <fsphil-laptop> sms might be handy
[20:55] <OZ1SKY_Brian> what ever people want to supply
[20:56] <OZ1SKY_Brian> surely sms would be best, but some might not be willing to give that away
[20:57] jcoxon (~jcoxon@87.115.59.249) joined #highaltitude.
[20:57] <PD3EM> Indeed good to have a mailing list and sms alert
[20:58] <jcoxon> ping Darkside
[20:59] <TimZaman> fsphil-laptop: why would the shape explain the spinning>
[20:59] <TimZaman> i would say that its bulkyness would stop it from doing so?
[21:00] <fsphil-laptop> it's quite flat
[21:00] <OZ1SKY_Brian> TimZaman any updates on your payload?
[21:00] <fsphil-laptop> large surface area will catch the wind, but probably not evenly
[21:03] <TimZaman> hmmm not sure i totally agree
[21:04] <TimZaman> OZ1SKY_Brian: its been retireved, the reward has been paid, i expect postage tomorrow. Payload suposibly untouched
[21:04] <TimZaman> landed on its 'ass' on the side
[21:04] <TimZaman> cracked the styrofoam in the side plane where the camera's were not located, the most stirdy side.
[21:04] <TimZaman> payload can be used again though i probably will not
[21:05] <OZ1SKY_Brian> TimZaman ok thats great your getting it back, and lets hope everything inside is ok. Was it just a guy passing by who found it?
[21:05] <TimZaman> OZ1SKY_Brian: confirmed. he did not say much but yeah he saw it in the field and took it home
[21:05] <TimZaman> waited a day to call, but thats ok
[21:05] <OZ1SKY_Brian> ok he called you, thats good.
[21:06] <TimZaman> yep!
[21:06] <OZ1SKY_Brian> i bet he was surpriced when you told him what it was and where it been
[21:06] <TimZaman> he figured out i was dutch and so was the number on the box, which was a national cellphone number
[21:06] <TimZaman> it was supposed to travel around 70-100km
[21:07] <OZ1SKY_Brian> TimZaman yes that was a long overshoot
[21:07] <PD3EM> TimZaman: Next time a message in English, Dutch, German and French on it with an email address
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[21:08] <PD3EM> Looking forward to the data and shots/film
[21:08] <OZ1SKY_Brian> Are you also involved in the dutch ballon hunt?
[21:08] <fsphil-laptop> you did remembered to switch on the camera? :)
[21:08] <OZ1SKY_Brian> ballonvossenjacht
[21:09] <TimZaman> OZ1SKY_Brian: nope
[21:10] <TimZaman> fsphil-laptop: well the lenzes were extruded so i think so!
[21:10] <TimZaman> also the go pro was taping HD@60fps lol
[21:10] <OZ1SKY_Brian> TimZaman ok, i follow that each year, was my first ballon signal
[21:10] <PD3EM> jcoxon: I solved the dl-fldigi problem I had yesterday.....
[21:10] <jcoxon> PD3EM, oh yeah?
[21:10] <fsphil-laptop> what is that OZ1SKY_Brian?
[21:11] <PD3EM> jcoxon: it was a security issue: dl-fldigi is trying to connect to localhost (127.0.0.1) via a few ports and that was blocked
[21:11] <OZ1SKY_Brian> fsphil-laptop its a yearly ballon launch from dutch hams, normaly carry a beacon, voice repeater and tv transmitter.
[21:11] <fsphil-laptop> oh that's neat
[21:12] <OZ1SKY_Brian> http://www.ballonvossenjacht.nl/
[21:12] <fsphil-laptop> just google translating that now
[21:12] <TimZaman> webmovies are generally 30fps right?
[21:13] <jcoxon> PD3EM, cool
[21:13] <jcoxon> glad its working
[21:13] <jcoxon> ready for the next launch
[21:13] <fsphil-laptop> 25 or 30
[21:13] <fsphil-laptop> youtube doesn't work at 50 or 60 sadly
[21:13] <TimZaman> yeah that'd be great, 60fps movies are so nice and smooth
[21:13] <fsphil-laptop> yea
[21:14] <TimZaman> i bet it'll be the next standard some year soon
[21:14] <fsphil-laptop> oddly google video used to
[21:14] <PD3EM> jcoxon: indeed ready for the next launch :-) I decoded a few beacons yesterday on another PC with an extra audio cable from the microHAM
[21:14] <fsphil-laptop> not sure about flickr
[21:14] <fsphil-laptop> hope to send one your way sometime PD3EM :)
[21:15] <PD3EM> fsphil-laptop: would bwe great! I recovered an earlier HAB from jcoxon
[21:15] <fsphil-laptop> was that the one dangling over the river?
[21:16] <PD3EM> fsphil-laptop: yes indeed!! See http://www.youtube.com/watch?v=B-o9fDeFYkE
[21:16] <TimZaman> haha that was so funny the thing hanging on the tree
[21:18] <jcoxon> :-)
[21:19] <PD3EM> It was my introduction to HAB and it was great fun to recover it
[21:19] <daveake_> I love that shot :)
[21:22] <daveake_> Hmmm, bargain ... http://www.ebay.co.uk/itm/MAX232-RS232-TTL-Converter-Adapter-Module-Board-/110677989711?pt=LH_DefaultDomain_3&hash=item19c4ec194f#ht_4539wt_902
[21:23] <nigelvh> Jcoxon got lucky there.
[21:23] <TimZaman> daveake_: 117quid, 116 sold?
[21:23] <daveake_> That's what I thought ...
[21:24] <TimZaman> ill quit my dayjob
[21:24] <fsphil-laptop> wow
[21:24] <daveake_> :)
[21:24] <TimZaman> thats one expensive chip
[21:24] <fsphil-laptop> must have more magic smoke in it than usual
[21:24] <daveake_> ah, that'll be it
[21:24] <TimZaman> http://reviews.bestbuy.com/3545/2383276/audioquest-diamond-3-3-high-speed-hdmi-cable-dark-gray-black-reviews/reviews.htm
[21:24] <TimZaman> seriously
[21:24] <TimZaman> read those reviews
[21:25] <TimZaman> its a 1000$ hdmi cable
[21:25] Action: Laurenceb_ just ordered 20x gps dongle parts
[21:25] <Laurenceb_> works out about £18/unit
[21:26] <Laurenceb_> shouldnt have said that as now people will accuse me of overcharging
[21:28] <Randomskk> I doubt people will :P
[21:28] <Randomskk> sounds good
[21:29] <Randomskk> wombat is working out to £lots per unit :/
[21:29] <zyp> Laurenceb_, I'll give you £20 for one :p
[21:29] <eroomde> Randomskk: have the pcbs been returned?
[21:30] <Laurenceb_> zyp: ill ship you unpopulated pcb + parts
[21:30] <eroomde> not sure what hedgehog will cost
[21:30] <Randomskk> eroomde: no :(
[21:30] <Randomskk> no word from them...
[21:30] <eroomde> didn't particularly price optimise given the tiny volumes
[21:30] <Randomskk> I hope they didn't just not notice the email or something
[21:31] <Randomskk> ideally we'll pick the PCBs up tomorrow lunch time and solder them tomorrow evening
[21:31] <Randomskk> working on code now
[21:31] <Laurenceb_> what pcb fab are yo uusing?
[21:31] <Randomskk> cambridge circuit
[21:31] <Laurenceb_> oh, very nice
[21:31] <zyp> Laurenceb_, that's fine if you include a stencil
[21:31] <Randomskk> they're a 15min drive
[21:31] <Randomskk> and can do 8 hour service
[21:31] <zyp> I'm not soldering that myself without a stencil :p
[21:31] <Randomskk> apparently :P
[21:32] <Laurenceb_> zyp: well i can get a whole A4 sheet of stencils for the same price as one
[21:32] <zyp> ohara?
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[21:32] <Laurenceb_> smtstencils.co.uk
[21:32] <zyp> ah, that's pololu, right?
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[21:32] <Laurenceb_> but ill make up one board to test first
[21:32] <Randomskk> zyp: nah, it's a guy in the UK I believe
[21:32] <Laurenceb_> no its some guy from #electronics
[21:32] Action: Randomskk just bought one from him
[21:33] <zyp> ah, right
[21:33] <zyp> I just ordered one from ohara for my board
[21:33] <zyp> a couple of days ago
[21:34] <zyp> could have included a stencil for the gps board there at no extra cost
[21:34] <eroomde> i have got a stainless steel one coming with hedgehog
[21:34] <eroomde> they were offering them for free at the mo
[21:34] <eroomde> with a pcb order
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[21:35] <zyp> nice
[21:36] <zyp> I'm not doing volume stuff, so metal stencils doesn't make sense cost-wise
[21:36] <Randomskk> oh yea, any suggestions for spreading the paste on the stencil?
[21:36] <eroomde> not so bothered for v0.1 but for v0.2 i'll certainly appreciate having one
[21:36] <eroomde> a trowl
[21:36] <Randomskk> thanks
[21:36] <eroomde> or pallete knife
[21:36] <Randomskk> oh yea I did already ask you this
[21:36] <Randomskk> will find one lying around
[21:36] <eroomde> or the kind of thing they use to remove wallpaper
[21:37] <zyp> I just went to the paint shop and bought a spatula
[21:38] <zyp> the kind for applying filler
[21:38] <eroomde> yeah that's the sort of thing
[21:39] <zyp> but yeah
[21:39] <eroomde> something stiffish and smeary
[21:39] <zyp> it's basicly a stiff sheet with a handle and a straight edge
[21:39] <zyp> and tools like that probably exist under many names
[21:40] <PD3EM> is going QRT....
[21:40] <eroomde> Randomskk: http://www.sparkfun.com/tutorials/58
[21:41] <Randomskk> heh, I remember reading that ages ago
[21:41] <Randomskk> finally get to try it out
[21:41] <eroomde> i'll be doing the same soon too!
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[21:45] <zyp> I did it for the first time around a year ago
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[21:45] <Laurenceb_> doh
[21:45] <Laurenceb_> i didnt put holes under the usb
[21:45] <zyp> http://bin.jvnv.net/f/bIChx.jpg
[21:46] <Laurenceb_> going to have to trim the taps off with a knife
[21:46] <Laurenceb_> *tabs
[21:46] <Laurenceb_> http://search.digikey.com/uk/en/products/0480371000/WM17118-ND/857604
[21:46] <Laurenceb_> ordered that
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[21:46] <Randomskk> you always find something
[21:46] <Randomskk> I wonder what'l be wrong with wombat :P
[21:46] <zyp> Laurenceb_, wouldn't it be better to drill holes after receiving the boards?
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[21:47] <zyp> or are you hitting tracks there?
[21:47] <Laurenceb_> hmm maybe
[21:47] <Laurenceb_> i guess thatd be a little stronger
[21:47] <Laurenceb_> i use the usb port from sparkfun
[21:47] <Laurenceb_> i dont know what they must use
[21:48] <Hix> Upu, you about?
[21:49] <Hix> cuddykid, The Aoyue is here and working well. Just made up my GPS logging shield
[21:49] <cuddykid> Hix: brilliant - is it any good? I haven't used it yet, still waiting on my pcbs
[21:50] <Hix> cuddykid, Pretty sweet compared to the piece of shite I had.
[21:50] <cuddykid> good stuff, yeah, my old one was awful
[21:50] <cuddykid> Hix: have you done any small bits yet? Is the tip about the right size?
[21:50] <Hix> Even did my first surface mount - on the SD card holder, so I wouldn't trash anything :)
[21:51] <cuddykid> fantastic :D
[21:51] <MLow-werk> im baack
[21:51] Action: fsphil-laptop hides
[21:51] Action: cuddykid has retreated to his nuclear bunker
[21:52] <nigelvh> Sssshhh, pretend we're not here
[21:52] <zyp> MLow-werk, so, did your car explode yet?
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[21:52] <MLow-werk> not yet
[21:52] <MLow-werk> seems fine :S
[21:52] <MLow-werk> 200+ miles since then
[21:52] <cuddykid> nothing, absolutely nada (hong kong post tracking info)
[21:52] <zyp> I'm just joking with you
[21:52] <zyp> :)
[21:53] <nigelvh> That's just what it wants you to think.
[21:53] <nigelvh> It'll lull you into a false sense of security, then.. BOOOM!
[21:55] <Hix> Anyone worked with the uBlox yet?
[21:55] <zyp> reminds me that my car is technically illegal to drive from thursday on
[21:55] <nigelvh> Best get that taken care of.
[21:55] <zyp> I just have to adjust the headlights
[21:55] <fsphil-laptop> most of us use ublox now Hix
[21:56] <Hix> ok, fsphil-laptop the img on upu's store shows
[21:57] <Hix> SCL SDA TXD RXD TIME VBCK GND VCC
[21:57] <Hix> my board has WP CD PPS L1 L2 PWR TX RX
[21:57] <Hix> pps is pulses per second - time I guess
[21:57] <fsphil-laptop> yea
[21:58] <fsphil-laptop> TX and RX are likely TXD and RXD
[21:58] <fsphil-laptop> PWR for VCC
[21:58] <Hix> TX RX self explanatory
[21:58] <fsphil-laptop> not sure where your ground is though
[21:58] <fsphil-laptop> what module do you have?
[21:58] <Hix> ah was typing and saw you'd already said that
[21:59] <Hix> I don't yet - ordered upu's home brew MAX-6 with breakout and Sarantel
[22:00] <fsphil-laptop> wonder why the difference
[22:01] <Hix> between?
[22:01] <fsphil-laptop> http://www.ladyada.net/make/gpsshield/wiring.html
[22:02] <Hix> ooooh sorry - removes ambiguity filter - My board is adafruit GPS logger shield without their £60 GPs module that's really reasonably priced
[22:03] <eroomde> what does a gps shield without a gps give you?
[22:04] <Hix> a really easy to parse sting :p
[22:04] <fsphil-laptop> (random fact: there are 18446744073709551616 unique 1-bit 8x8 images)
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[22:05] <eroomde> that's just a convoluted way of saying 2^64 no!?
[22:05] <fsphil-laptop> yep :)
[22:07] <Hix> so I only really need TX RX and PWR assume the others are for setting the modes Anthony talked about
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[22:08] <fsphil-laptop> PWR doesn't actually seem to be VCC though
[22:08] <fsphil-laptop> it's a logic control
[22:08] <Hix> hmmm
[22:09] <eroomde> Hix: ignore the others
[22:09] <eroomde> you set the moes with tx
[22:10] <Hix> eroomde, OK
[22:10] <eroomde> the others are just alternative ways of talking to the module
[22:10] <Hix> oops sorry for shouts
[22:10] <eroomde> like i2c
[22:10] <Hix> right
[22:10] <eroomde> or having the module talk to eeprom to save its settings
[22:10] <eroomde> etc
[22:10] <Hix> ahh ok
[22:10] <eroomde> fluff you dont need
[22:10] <Hix> :D
[22:10] <Randomskk> >_>
[22:11] <fsphil-laptop> I don't understand what the purpose of that board is
[22:11] <fsphil-laptop> if it dosn't have gps
[22:11] <Randomskk> fsphil-laptop: the idea is you also buy a gps I believe
[22:11] <eroomde> welcome to me 5 minutes ago
[22:12] <fsphil-laptop> you can just wire the gps directly to the arduino board
[22:12] <fsphil-laptop> no wait, 5v logic
[22:12] <fsphil-laptop> but still that's a few resistors at most
[22:12] <Hix> yeah - you're supposed to buy their GPS module but it's double dear and not 100% it'll work at alt
[22:13] <Hix> i got the shield for logging the flight to SD and I can play with it for other stuff. So I can log info to SD when there is something else connected
[22:14] <Hix> it was €19 for the whole kit so i though it would make things easier to start off with
[22:15] <eroomde> oh it has an sd card
[22:15] <eroomde> fair enough
[22:16] <eroomde> but can you talk directly to the gps from the sd card?
[22:16] <eroomde> i.e. is the shield 'transparent' to the arduino?
[22:16] <Hix> erm dunno
[22:17] <Hix> don't think it is I'm pretty sure you have to tell it to log to sd in the sketch
[22:17] <eroomde> i ask because you need to be able to send commands to the gps
[22:17] <eroomde> to put it into a mode that works at high altitude
[22:18] <Hix> I've only just built it up tonight after work, ready for breadboarding to upu's GPS board when it comes
[22:18] <eroomde> yeah it looks like you're ok
[22:18] <eroomde> just had a look at the ladyada site
[22:19] <Hix> I think I can get it into altitude mode by breadboarding and telent
[22:19] <Hix> telnet
[22:19] <Hix> I'm assuming that the 3.3v logic is for all three PWR TX and RX?
[22:20] <eroomde> i doubt telnet
[22:20] <Hix> Putty?
[22:21] <eroomde> and yep the gps will be 3.3v on everything
[22:21] <eroomde> nope not putty either
[22:21] <eroomde> all far too high leavel and heavyweight :)
[22:21] <eroomde> it'll be straight serial
[22:21] <eroomde> send a byte
[22:21] <eroomde> receive a byte
[22:21] <eroomde> write the code to handle it all
[22:23] <Hix> ahh cool - so my Prolific SUSB-serial-Com port adaptor will enable me to talk to the module
[22:23] <eroomde> yes indeed
[22:23] <eroomde> perfect
[22:23] <Hix> through a 3.3v connection i.e some resistors to start off with
[22:24] <eroomde> well if the gps shield does that conversion for you, you're ok
[22:24] <eroomde> if it doesn't you'll have to improv something
[22:26] <eroomde> anyone know knows about torrents it's a massive long shot but could they see if 'Blast! The Movie' is around?
[22:27] <Hix> http://thepiratebay.se/torrent/7014215/Blast.2004.DVDRip.H264-BINGO ?
[22:29] <eroomde> i think that's the one
[22:29] <eroomde> oh no
[22:29] <eroomde> no no no
[22:29] <eroomde> that's some crappy hollywood thing
[22:29] <eroomde> this is a documentary about a balloon
[22:29] <Hix> just looked on imdb think you're after the 2008
[22:29] <Hix> http://www.imdb.com/title/tt1190065/plotsummary
[22:29] <griffonbot> Received email: Steve Randall "[UKHAS] XABEN-22 flight announcement"
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[22:31] <fsphil-laptop> you wait ages for a launch ...
[22:32] <daveake_> Yeah, ck and I started an avalance :P
[22:33] <daveake_> +h
[22:33] <daveake_> Should have the pre-amp sorted by then
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[22:43] <G0DJA> One on Sunday now as well!
[22:44] <G0DJA> Someone will think Europe is having a party with all these balloons floating about ;-)
[22:44] <Hix> Need to get cracking with my antennae then :)
[22:45] <G0DJA> Yes, I was hoping to put up vertical but rain kyboshed that idea
[22:49] <spacekitteh> www.reddit.com/r/engineering/comments/q8r9p/what_would_be_a_good_os_for_an_autonomous_blimp/ :3?
[22:49] <RocketBoy> what was that site someone put up that will calculate the radio horizon for a given location
[22:50] <nigelvh> Damn matlab "programmers"
[22:51] <spacekitteh> nigelvh: shh i can code in c/cpp but it's faster to use matlab
[22:51] <nigelvh> Real men write hex.
[22:51] Action: spacekitteh isn't a man :P
[22:51] <nigelvh> In all seriousness though. Matlap probably isn't really the best choice for an autonomous blimp
[22:51] <nigelvh> matlab*
[22:52] <eroomde> spacekitteh: http://www.youtube.com/watch?v=K29dn0Mzspk
[22:52] <LazyLeopard> There was a site which identified landmarks on the horizon, which gives you some idea of how far your line-of-sight reception will go : http://www.heywhatsthat.com/
[22:52] <eroomde> there's my autonomous blimp ^
[22:52] <spacekitteh> wow nice
[22:52] <spacekitteh> mine's just gonna be like, half a meter long
[22:53] <spacekitteh> nigelvh: why not?
[22:53] <eroomde> it was a mix of things. linux on a single board computer (PC104) and lots of atmegas dangling off usb via ftdi chips to do things
[22:53] <spacekitteh> indeed
[22:53] <Upu> evening
[22:53] <eroomde> yeah this was a bit bigger
[22:53] <eroomde> has a payload capacity of about 6kg
[22:53] <nigelvh> It's not terribly efficient for one.
[22:53] <eroomde> evening upu
[22:53] <nigelvh> Also, nice blimp
[22:53] <spacekitteh> nigelvh it doesn't have to be too efficient
[22:54] <Upu> just did a talk on HABby stuff at local Rotary, went down well
[22:54] <spacekitteh> just efficient enough to do its job without crashing
[22:54] <eroomde> that's an assumption
[22:54] <Upu> some old dude who used to be in Army Air Core Survellance in the 60's was super interested
[22:54] <spacekitteh> if i had more than 3 months to build it, i would use c/cpp
[22:54] <eroomde> if you just want basic control, there's nothing on a blimp that's complicated
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[22:54] <eroomde> it's a tiny wee controller, a couple of pid loops
[22:54] <Upu> Hix you about ?
[22:54] <eroomde> maybe 20 lines of C
[22:54] <nigelvh> I don't see what's so complicated about writing the C
[22:55] <Upu> Hix Jcoxon did code examples for the uBlox here : http://ukhas.org.uk/guides:falcom_fsa03
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[22:55] <eroomde> spacekitteh: i would do it thusly:
[22:55] <eroomde> have an arduinoconnecting to your control surfaces and motor
[22:55] <nigelvh> A few evenings and I've done AX.25 in c, or rocket data gathering/telemetry systems in c.
[22:55] <eroomde> have that run pid locally to keep it pointing along some vector
[22:56] <eroomde> then if you want a level of intelligence above that, something to do with localisation and mapping say, then that's something for matlab
[22:56] <spacekitteh> eroomde: yeah, i have to do vision processing
[22:56] <eroomde> but the arduino would just need to be a timer than fires off every 100ms
[22:56] <eroomde> ok
[22:56] <nigelvh> There are certainly advantages to languages higher up the chain than C, but for basic control, you're adding a lot of complexity
[22:56] <eroomde> well, that blimp was vision based
[22:56] <nigelvh> Yeah, if you're doing vision processing, then matlab makes sense.
[22:56] <eroomde> it did real time 3d reconstruction of the terrain that it was flying over
[22:57] <eroomde> but it was all in C++. but then that's because it had to be real ime
[22:57] <nigelvh> For basic control of the blimp, I'd break it down a little lower.
[22:57] <spacekitteh> besides, i trust my matlab skills more than my c/cpp skills
[22:57] <spacekitteh> nigelvh: oh sure, just for the dynamics
[22:57] <spacekitteh> but i figure why do it in two seperate systems
[22:58] <spacekitteh> especially when weight is at a premium
[22:58] <nigelvh> They don't have to be two systems, but two pieces of software can run on the system.
[22:58] <eroomde> because that's the most sensible way
[22:58] <eroomde> get a basic controller working first
[22:58] <nigelvh> Also, throwing an arduino compatible board is gonna cost near zero in weight.
[22:58] <nigelvh> And reduce complexity.
[22:58] <eroomde> treat the vision as a separate problem
[22:59] <spacekitteh> the vision has to guide it
[22:59] <eroomde> yes
[22:59] <eroomde> but it's still a separate problem
[22:59] <eroomde> to being able to hold a steady course
[22:59] <nigelvh> The two systems can talk. But like eroomde says, separate the problems.
[22:59] <spacekitteh> i absolutely intend to have seperate software
[22:59] <eroomde> the vision provides the command signal to the controller but the controller itself wants to be run locally, i would say
[22:59] <nigelvh> The arduino can handle control, and you can occasionally send up updated info from the vision stuff.
[22:59] <spacekitteh> i just don't see the advantage of having a seperate board
[23:01] <nigelvh> Easier to get each section going individually. Easier to test the functioning. Don't have to constantly be switching contexts to perform different functions.
[23:01] <eroomde> you never do until you do a few mechatronicsy projects
[23:01] <spacekitteh> why would it be easier to program an arduino than to program a linux pc?
[23:02] <eroomde> that's an easy one
[23:02] <spacekitteh> i can see the advantage for when an OS crashes
[23:02] <eroomde> digital control loops need regular updates
[23:03] <eroomde> for a blimp, say 10 or 20Hz
[23:03] <nigelvh> I'm not saying it would necessarily be easier. (Although generally getting access to the IO isn't as easy on a PC). But when the functions are separated, you don't have to worry about what else is interfering with your software. You can now treat it like a black box, with defined inputs and outputs.
[23:03] <eroomde> and getting your control loop to fire every 100ms or 50ms is very easy with an arduino
[23:03] <Randomskk> https://randomskk.net/u/wombat_radio.png
[23:03] <Randomskk> :D
[23:04] <Upu> great success :)
[23:04] <eroomde> it's arrived?
[23:04] <Upu> ADF7012 ?
[23:04] <spacekitteh> nigelvh: yeah, i just think the chances of fucking up the sytems integration is much higher than the software interfering on one board
[23:04] <spacekitteh> after all i'm just a third year undergrad
[23:04] <eroomde> i strongly disagree
[23:05] <eroomde> have the arduino as your interface to the blimp
[23:05] <Randomskk> eroomde: no :(
[23:05] <Randomskk> this is my ADF test board and my STM32 dev board
[23:05] <Randomskk> so, same hardware
[23:05] <Randomskk> but not the actual hardware
[23:05] <Randomskk> still no contact from cambridge circuit, so
[23:05] <Randomskk> hopefully tomorrow
[23:05] <Upu> ok
[23:05] <Randomskk> but I should be able to flash the binary and have the same thing come up ;)
[23:05] <eroomde> it can control the servos, motor etc
[23:05] <eroomde> maybe have a gyro and compass or something onboard
[23:06] <eroomde> it's EASY to do that
[23:06] <eroomde> in your reddit page you're talking about RTOS versions of linux
[23:06] <eroomde> i'm not sure you quite realise what a world of pain that is
[23:06] <spacekitteh> eroomde: i realise i don't quite realise that :P
[23:06] <nigelvh> spacekitteh: It really comes down to separation of roles, and simplication of larger issues into it's component problems. Trying to do realtime stuff is much easier on something like an arduino.
[23:06] <eroomde> have the arduino do your real time stuff
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[23:06] <eroomde> and it can jsut hang off usb
[23:07] <eroomde> then you can easily write a linux program that talks to the blimp via this one usb connection
[23:07] <Hix> hi Upu
[23:07] <Upu> hey Hix
[23:07] <Hix> thx fro that
[23:07] <eroomde> knowing that the hard realtime stuff is all happening on the arduino
[23:07] <Upu> sample code on the Wiki
[23:07] <spacekitteh> eroomde: shit, I totally forgot about the USB connection
[23:07] <Upu> works
[23:07] <spacekitteh> Yeah, you're right
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[23:07] <spacekitteh> yuo've convinced me ^^
[23:08] <eroomde> all the linux program CV stuff needs to do is say 'the figuring is at this vector to the blimp' and send that direction to the arduino, it can take care of the actually mechanics of flaps and thrust and stuff
[23:08] <nigelvh> We're not trying to say it's not possible, or that you couldn't play with it if you were a glutton for that kind of thing. But I for one sincerely believe this would be the easier route.
[23:08] <eroomde> ok cool
[23:08] <eroomde> the general pricipal is when it's a prototype, simple interfaces and modularity
[23:09] <eroomde> oh and USE GOOS CONNECTORS
[23:09] <eroomde> there endeth the lesson on econnectors
[23:09] Action: spacekitteh nodnods
[23:09] <eroomde> GOOD*
[23:09] <eroomde> connectors*
[23:09] <nigelvh> GOOS connectors are the best.
[23:09] <Randomskk> they are my favourite of all the connectors
[23:09] <spacekitteh> oh yeah, one of the reasons i was thinking doing the dynamics on linux is for much easier debugging
[23:09] <eroomde> we lost hundreds of man hours to dodgy connections on our blimp
[23:10] <eroomde> arduino debugging is easy
[23:10] <nigelvh> It's not hard.
[23:10] <eroomde> there's so little to an arduino you can easily figure out what's going on and test bits in isolation
[23:11] <eroomde> also, LEDs
[23:11] <eroomde> have lots of indication leds
[23:11] <Randomskk> or use an actual debugger
[23:11] <Randomskk> :P
[23:11] <spacekitteh> hmm, yup
[23:11] <fsphil-laptop> different colour LEDs
[23:11] <eroomde> shelling into your blimp sounds sexy but it's actually a massive pain in the arse compared to just having a 'everything is good' led
[23:11] <Randomskk> true
[23:11] <Upu> I vote LEDS
[23:11] <spacekitteh> i vote both ^_^
[23:11] <nigelvh> Also, I don't know what your budget is or whatnot, but I like the soekris boards. Small, x86, the new ones have USB, etc. soekris.com
[23:11] <eroomde> oh yes both indeed
[23:11] <spacekitteh> $700
[23:11] <nigelvh> I have one of the older ones and I like it.
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[23:12] <eroomde> shelling in will be invaluable
[23:12] <whoami> hi all
[23:12] <Upu> theres a gentle reassurance in those blinkenlights
[23:12] <eroomde> exactly
[23:12] <Upu> evening whoami
[23:12] <spacekitteh> yeah, i'm a big fan of status LEDs
[23:12] <Hix> hi whoami
[23:12] <eroomde> spacekitteh: i'd vote something omap based but you've said as much
[23:12] <eroomde> beagleboard/bone
[23:12] <eroomde> gumstix
[23:12] <eroomde> raspberry pi (ok not omap but similar)
[23:13] <Randomskk> would you use raspberry pi for a control thing?
[23:13] <Randomskk> it seems to be really consumer oriented
[23:13] <eroomde> n
[23:13] <Randomskk> I guess it does technically have breakouts for stuff
[23:13] <eroomde> this is for the cv
[23:13] <nigelvh> Anything works good. I just like the soekris cuz it runs pretty much unmodified x86 crap.
[23:13] <Randomskk> ah yea I guess that'd do nicely then
[23:13] <eroomde> our blimp was a 2.4ghz core 2 duo
[23:13] <eroomde> with 4gb ram
[23:13] <eroomde> and a 128gb ssd
[23:14] <spacekitteh> heh
[23:14] <nigelvh> Really don't want that to crash
[23:14] <eroomde> but... this is more than you likely need :)
[23:14] <spacekitteh> yup x3
[23:14] <eroomde> nigelvh: http://www.youtube.com/watch?v=N9Ec9fuy5zc&feature=related
[23:14] <eroomde> the black electronics pod had $60k of stuff in it
[23:15] <eroomde> and it jsut started to plummet
[23:15] <eroomde> hence olaf shouting
[23:15] <eroomde> 'Neil! Run!'
[23:15] <G0DJA> Anyone downloaded the APEXIII payload info for FL-Digi yet?
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[23:16] <nigelvh> Nice catch dude
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[23:17] <eroomde> yeah neil did well
[23:17] <eroomde> and finally, a nominal landing
[23:17] <eroomde> http://www.youtube.com/watch?v=_0m0jEfR_iw&feature=related
[23:17] <eroomde> of which i was secretly quite proud
[23:18] <eroomde> i'm not a model flyer and you have to keep the darned thing pointing into the wind without using any throttle
[23:18] <fsphil-laptop> your secret is safe with us
[23:18] <eroomde> well of course at the time i was like 'pah yeah whatever. just another landing'
[23:19] <nigelvh> Obviously
[23:19] <nigelvh> Do that shit all the time.
[23:19] <eroomde> the pricey bit was a really really nice thermal camera
[23:19] <nigelvh> I imagine so.
[23:20] <eroomde> so we did 3d maps of the terrain (try recovering texture from snow...) and then overlayed temp data
[23:20] <eroomde> to study the avalnche fields
[23:20] <nigelvh> What was a typical flight time?
[23:20] <eroomde> could get about 45 mins out of a pack
[23:20] <eroomde> that emergency landing was at 40 mins
[23:20] <eroomde> it just cut out
[23:20] <nigelvh> That's pretty good.
[23:20] <eroomde> but i had been seeing what it could do
[23:20] <eroomde> trying to loop it
[23:20] <nigelvh> Considering all you've got going.
[23:21] <eroomde> telemetry was saying it was pulling about 120A at full throttle
[23:21] <eroomde> it could do 70km/h though
[23:21] <eroomde> it was a really pretty nippy little blimp
[23:21] <nigelvh> You hauling a car battery or something?
[23:21] <eroomde> lipos
[23:21] <eroomde> lots of lipos
[23:21] <eroomde> about 3kg worth
[23:21] <nigelvh> I figured. lead is heavy
[23:21] <eroomde> usually i'd keep it at 1/4 throttle
[23:21] <nigelvh> Though, the mythbusters did make a lead balloon.
[23:22] <eroomde> which was about 8A
[23:22] <eroomde> spacekitteh: what is your mass budget?
[23:23] <spacekitteh> well it's going to be a small blimp so it's probably only going to be half a kg or so
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[23:23] <eroomde> mmm
[23:23] <spacekitteh> i literally just got the assignment yesterday and we haven't fleshed out details yet
[23:23] <eroomde> that'll go very quickly
[23:23] <eroomde> look at the gumstix, i would
[23:24] <eroomde> talk like yoda, i do
[23:24] <nigelvh> It may be better to do a wireless camera, and do the processing externally if that's an option
[23:24] <spacekitteh> it's not
[23:24] <nigelvh> damn
[23:24] <spacekitteh> indeed
[23:24] <eroomde> gumstix
[23:24] <eroomde> it has a camera input
[23:24] <nigelvh> Yeah
[23:24] <Randomskk> onboard is much cooler too
[23:24] <eroomde> hopeless
[23:25] <eroomde> https://www.gumstix.com/store/product_info.php?products_id=268
[23:25] <SpeedEvil> raspberry pi - if it comes out soon
[23:25] <nigelvh> Also, get one of the arduino pros with the tiny board, and no headers, and the tqfp chip. Much lighter than the full size, same power.
[23:25] <eroomde> wifi, camera connector
[23:25] <spacekitteh> eroomde: hmm, that's a bit expensive
[23:26] <eroomde> you're gonna have to value every single gram on this thing
[23:26] <spacekitteh> yeah, i know
[23:26] <eroomde> it's same ballpark as a beagleboard which you were talking about earlier
[23:26] <eroomde> and that is 5.6g...
[23:27] <spacekitteh> hmm inbuilt wifi
[23:27] <eroomde> which is worthy of a doubletake
[23:27] <eroomde> it's really the most perfect thing
[23:27] <spacekitteh> oh wow
[23:27] <spacekitteh> wait, what
[23:27] <spacekitteh> what's the 42.6g one
[23:27] <eroomde> wifi, camera connector, 700mhz of linux, 5.6G
[23:27] <eroomde> that's with the case
[23:27] <spacekitteh> ah
[23:27] <Randomskk> yea the mass is insane
[23:28] <Randomskk> I had plans for an ultra-minature quadcopter using one to do computer vision
[23:28] <Randomskk> it's stupidly small
[23:28] <eroomde> it really is diddy
[23:28] <spacekitteh> hmm the beagleboard is <100g too
[23:28] <Randomskk> yea but 5.6g
[23:28] <Randomskk> !!!
[23:28] <nigelvh> Yes, but there's a difference between 5 and 100
[23:28] <eroomde> http://docwiki.gumstix.org/images/d/dc/Gumstix-pez.jpg
[23:29] <spacekitteh> i've still gotta work out mass/power/processing budgets too of course
[23:29] <eroomde> spacekitteh: seriously, if this blimp is going to be about 1m long, you might only have 50g usable payload
[23:29] <spacekitteh> it'll probably be half that size
[23:29] <eroomde> right
[23:29] <eroomde> so it probably won't even take off with a 100g computer
[23:29] <nigelvh> Also you're going to need to have motor drivers as well
[23:30] <spacekitteh> yeah
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[23:30] <nigelvh> Yeah, at half a meter it isn't lifting much of anything.
[23:30] <spacekitteh> fans, fins, sensors, IMU board, wifi, status LEDs,
[23:30] <SpeedEvil> Oooh.
[23:30] <SpeedEvil> The Raspberry Pi Foundation will be making a big (and very positive) announcement that just might interest you at 0600h GMT on Wednesday 29 February 2012. Come to www.raspberrypi.org to find out what's going on. Eben Upton
[23:30] <spacekitteh> it has to lift a tennis ball as the droppable payload
[23:30] <spacekitteh> i'm not sure how big that means it will be
[23:30] <spacekitteh> i could estimate it but i'm too tired
[23:30] <SpeedEvil> spacekitteh: that raises the issue of getting down.
[23:31] <nigelvh> Tennis ball is about 57 grams alone
[23:31] <SpeedEvil> spacekitteh: ite means you need enough propulsion to either have a tennisballs worth of lift beforehand, or a tennisballs worth of 'dive' capability after
[23:31] <SpeedEvil> Assuming you want it back
[23:31] <eroomde> you won't be doing this with a 0.5m long blimp
[23:31] <spacekitteh> i don't think i will
[23:31] <spacekitteh> it's a simulated rescue package
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[23:31] <eroomde> no tennis balls, autonomous computer vision guided anything
[23:32] <spacekitteh> hmm fair enough
[23:32] <SpeedEvil> Sure!
[23:32] <spacekitteh> what would be a rough estimate?
[23:32] <SpeedEvil> 0.5m long, 8m tall.
[23:32] <spacekitteh> lol
[23:32] <SpeedEvil> A raspberry pi may be a quite a bit cheaper option.
[23:33] <SpeedEvil> Than gumstix - assuming above announce is 'we're selling them today'
[23:33] <eroomde> to put it into perspective, a 0.5m sphere of helium has a lift of 65g
[23:33] <spacekitteh> SpeedEvil: start construction in june
[23:33] <spacekitteh> eroomde: ah
[23:33] <spacekitteh> is that radius or diameter
[23:33] <eroomde> that's total lift, not neck lift or free lift or anything
[23:33] <eroomde> diameter
[23:34] <spacekitteh> neck lift/free lift?
[23:34] <eroomde> as in the mass of the balloon will be taken off that lift
[23:34] <eroomde> leaving you with even less payload
[23:35] <spacekitteh> ah
[23:35] <eroomde> and a blimp has a much lower volume than a sphere of its length
[23:35] <spacekitteh> indeed
[23:35] <spacekitteh> but yeah, i have 3 months for the systems engineering phase
[23:35] <spacekitteh> (this is a system engineering subject)
[23:35] <eroomde> yep
[23:35] <eroomde> sounds like a lot of fundamental conceptual stuff
[23:35] <eroomde> before you even get near wondering about what operating system to use
[23:35] <spacekitteh> well, so is the next subject next semester, but that's more the integration side of it
[23:36] <eroomde> that's lost in the noise as a design consideration
[23:36] <spacekitteh> yeah
[23:36] <eroomde> it'll be fun though
[23:36] <spacekitteh> it was more along the lines of microcontroller vs full blown computer as a tradeoff
[23:36] <eroomde> in a tough love sort of way
[23:37] <eroomde> mechatronics always is
[23:37] <spacekitteh> i'm not mechatronics, i'm doing an avionics degree
[23:37] <spacekitteh> but i guess they're close enough
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[23:38] <eroomde> you just said it was systems
[23:38] <spacekitteh> the subject
[23:38] <spacekitteh> not the degree
[23:38] <eroomde> systems means you're not allowed to say 'i just do the [x]' :)
[23:38] <spacekitteh> =p
[23:38] <G0DJA> For this flight on Wednesday they say "It is possible to decode both without manually changing every time by opening two instances of dl-fldigi" but with one instance open I don't seem to be able to open a second...
[23:38] <spacekitteh> also it seems raspberry pi are making a big announcement tomorrow
[23:39] <eroomde> spacekitteh: you might be interested in this: http://paparazzi.enac.fr/wiki/Lisa/L
[23:39] <eroomde> autopilot with a gumstix connector on the back
[23:39] <spacekitteh> i'm pretty sure I won't be allowed to get a pre-made autopilot
[23:39] <spacekitteh> since we have to have two software engineers in our group
[23:40] <eroomde> it's OS for what it's worth
[23:40] <eroomde> software is whatever you want it to be
[23:40] <spacekitteh> lol
[23:40] <spacekitteh> i should ask whehter we're allowed to buy pre-made autopilot software
[23:40] <spacekitteh> i'm pretty sure that's going to be a firm no
[23:41] <spacekitteh> since the idea is to be able to make one ourself
[23:41] <eroomde> buy?
[23:41] <eroomde> foss :)
[23:41] <spacekitteh> =p
[23:41] <eroomde> but fair enough
[23:41] <nigelvh> "edit"
[23:42] <spacekitteh> i think the most pre-made we can get in that reguard is pre-made IMUs
[23:42] <eroomde> ok
[23:42] <eroomde> plonk a sparkfun 9dof thing on an arduino
[23:42] <spacekitteh> yeah, i plan to
[23:42] <spacekitteh> although i'm pretty sure with the amount of wiring in that room, the magnetometer is going to go haywire
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[23:43] <eroomde> yes magnetometers are not happy indoors
[23:43] <eroomde> ours on the blimp was not happy either
[23:43] <eroomde> just because they were within a couple of motors of the electric motors
[23:43] <spacekitteh> hah, that too
[23:43] <eroomde> we had quite a few imu bugs
[23:43] <eroomde> the best bug i've ever fought was on that blimp actually
[23:44] <spacekitteh> oh?
[23:44] <eroomde> it would only boot up when it was facing south
[23:44] <SpeedEvil> spacekitteh: what's your budget anyway?
[23:44] <spacekitteh> $700
[23:44] <spacekitteh> lol eroomde
[23:44] <nigelvh> That's not a bug. It's a "compass" feature.
[23:45] <eroomde> the explanation would give me rsi
[23:45] <eroomde> but it was pretty cool
[23:47] <eroomde> spacekitteh: https://www.gumstix.com/store/index.php?cPath=33
[23:48] <eroomde> there are a rnage of prices infact
[23:48] <eroomde> range*
[23:48] <eroomde> tho $199 is the cheapest with wifi
[23:48] <eroomde> Randomskk: are you using xmonad?
[23:49] <Randomskk> yes
[23:49] <eroomde> ah
[23:49] <eroomde> thought i recgnised it from that screencap
[23:49] <Randomskk> :P
[23:49] <spacekitteh> hmm
[23:49] <Randomskk> the distinctive red border
[23:49] <eroomde> i had a happy summer with xmonad once
[23:49] <Randomskk> on the other hand, floating window
[23:49] <eroomde> then i tried to cutomise it
[23:49] <Randomskk> haha yea
[23:49] <Randomskk> hope you like haskell
[23:50] <eroomde> not at the time
[23:50] <eroomde> might aswell have been elvish
[23:50] <spacekitteh> the one you linked originally seems best
[23:50] <spacekitteh> DSP+wifi without openGL
[23:50] <eroomde> yeah
[23:51] <eroomde> i think it's fantastic
[23:51] <eroomde> for the size and power consumption
[23:52] <nigelvh> Anyway, time for me to head home. Have a good one!
[23:52] <nigelvh> Good luck spacekitteh
[23:52] <eroomde> see yu
[23:52] <spacekitteh> tata
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[23:55] <eroomde> spacekitteh: where are you based, geographically?
[23:55] <spacekitteh> brisbane
[23:55] <eroomde> oh ok
[23:56] <eroomde> oh the other rule of blimp
[23:56] <eroomde> is intuition
[23:56] <spacekitteh> well i'm severely autistic so my intuition isn't that great
[23:56] <eroomde> remember the difference between a 0.5m blimp and a 1m blimp is the latter has eight (8) times the payload capacity
[23:57] <eroomde> by which i mean - it's not always intuitive
[23:57] <spacekitteh> hmm
[23:58] <eroomde> because if you double each linear dimension (twice the length, twice the width, twice the height) then you are getting the cube of double when you calc the volume
[23:58] <eroomde> and lift is a function of volume
[23:58] <spacekitteh> indeed ^^
[23:58] <eroomde> so if a 50cm long blimp leaves you in the poo in terms of payload, a slightly bigger blimp can make a really big difference
[23:59] <spacekitteh> yeah :3
[23:59] <spacekitteh> i'm sure that that's not going to be a problem
[23:59] <spacekitteh> length, that is
[23:59] <spacekitteh> just have to position the thrusters correctly
[00:00] --- Tue Feb 28 2012