highaltitude.log.20130309

[00:13] <nigelvh> Quiet afternoon...
[00:15] <lz1dev> http://www.youtube.com/watch?v=7bT1ZfRtrJc
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[00:15] <lz1dev> here have a laugh
[00:16] <bertrik> no launches this weekend, right?
[00:16] <nigelvh> I understand what he's trying to get at, but he's also a dick.
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[00:20] <lz1dev> apperantly people get angry when you point a camera
[00:21] <lz1dev> the 911 calls are pretty hilarious
[00:23] <nigelvh> I think perhaps the best response would be to start filming him back.
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[00:25] <lz1dev> i think the point he is trying to make is
[00:25] <lz1dev> if a camera without operator is filming you its ok, but if there is a person behind you that they can see its not ok
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[00:26] <lz1dev> s/you/it
[00:27] <nigelvh> Yes, he's just trying to point out that it's silly that we're ok with the increasing surveillance. However, that's not what he's conveying to the people he's filming. He just comes off as a dick.
[00:32] <lz1dev> he is not trying to, he cant really
[00:32] <lz1dev> unless they see the big picture, all the other people
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[07:46] <arko> Ahh beer
[07:49] <Upu> I am your future self arko
[07:50] <Upu> why did have so many beers last night
[07:50] <arko> Oh no
[07:50] <arko> Wait
[07:50] <arko> But if stop drinking now
[07:50] <arko> I'll create a paradox
[07:50] <arko> Time to drink more
[07:51] <Upu> lol
[07:51] <Upu> thx for fixing Wiki x-f
[07:51] <arko> How's it going?
[07:51] <Upu> I delete the user
[07:51] <Upu> not bad need some breakfast
[07:51] <Upu> need to walk the dog first though
[07:51] <Upu> back soon
[07:52] <arko> Nice have fun! I'll drink more scotch at this bar
[07:54] <arko> Its been a stupid busy week of work and school and projects >_<
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[07:56] <x-f> Upu, no problem :)
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[08:21] <Upu> which Whisky arko ?
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[08:23] <Elwell> via NTK (in a roundabout way) http://www.bullybeef.co.uk/radiosonde-weather-satellite-balloon.htm
[08:23] <Elwell> don't know if thats a good price
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[08:40] <jcoxon> morning all
[08:43] <Upu> morning
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[08:44] <number10> morning
[08:48] <junderwood> I guess from the Project Horizon e-mail that the event on the calendar won't be happening this morning
[08:48] <Upu> no cancelled
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[08:56] <junderwood> :(
[09:02] <jcoxon> i think we are all launched out...
[09:04] <Upu> has been a few recently
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[09:17] <junderwood> 2 or three weeks until Vortex flight 5
[09:21] <daveake> PIE5 probably around the end of the month
[09:21] <daveake> mmm PIES ...
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[09:29] <number10> I have a pico - but too wet for that - I may strip it down and use it for a camera flight instead
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[09:34] <fsphil> mmm picopie
[09:34] <fsphil> not sure that's even possible
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[10:05] <jcoxon> for a pico do we think airborne mode is really necessary?
[10:05] <jcoxon> or will pedestrian do?
[10:06] <Hix> didnt pedestrian have <67mph limit?
[10:07] Action: jcoxon looks in the datasheet
[10:08] <mfa298> From what I remeber of others talking about things I think Hix is right
[10:08] <Upu> I use pedestrian
[10:08] <Upu> but switch to airborne > 4000
[10:08] <mfa298> for added complexity you could look at adding tests in to the code to switch based on alt / speed
[10:09] <jcoxon> MAX Altitude [m]: 12000, MAX Velocity [m/s]: 310, MAX Vertical Velocity [m/s]:
[10:09] <jcoxon> 50,
[10:09] <jcoxon> actually thats portable
[10:09] <jcoxon> isn't it in portable rather than pedestrian by default
[10:09] <fsphil> is there any benefit to being in pedestrian mode? for a pico?
[10:10] <jcoxon> fsphil, thats my question
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[10:10] <jcoxon> airborne certainly makes some sacrifices in accuracy
[10:10] <fsphil> true, although not a huge amount
[10:11] <fsphil> but more reliable
[10:12] <jcoxon> yeah
[10:12] <jcoxon> i'll leave that code then
[10:14] <Upu> you get alot less scatter on the ground in pedestrian mode
[10:14] <Upu> so I tend to switch based on altitude
[10:14] <Upu> however do check if your payload reboots in the air it comes back in dynamic model 6 until proven otherwise
[10:14] <jcoxon> hehe
[10:14] <jcoxon> good point
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[11:14] <cuddykid> how ridiculous, apple have rejected the latest update to the iOS app because it uses a feature that was previously approved :S
[11:16] <Randomskk> welcome to apple, I guess
[11:16] <craag> wat
[11:16] <Randomskk> try again? :P
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[11:17] <cuddykid> that's what I'm going to do :P
[11:17] <cuddykid> throw a few more updates in and see if that distracts them
[11:17] <cuddykid> apparently the status bar overlay causes a problem.. but hey, thats ok for the twitter app..
[11:19] <cuddykid> apparently it's a hit and miss thing with no real consistency
[11:22] <craag> Yeah a quick google says they've recently started rejecting status bar overlays.
[11:23] <cuddykid> yep
[11:23] <cuddykid> but some have got through
[11:23] <cuddykid> I'll try again :D
[11:23] <cuddykid> predictions have improved for this wed :) now landing very near you daveake
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[11:55] <fsphil> predictions still naff here
[11:58] <Upu> well I've not seen the sky for days so not bothering here
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[12:17] <cuddykid> helium prices gone up again by the looks of it :(
[12:25] <chris_99> does anyone use hydrogen?
[12:26] <fsphil> yea a few people
[12:26] <chris_99> cool
[12:26] <chris_99> because that shouldn't really ever go up much
[12:26] <fsphil> I will be shortly
[12:26] <fsphil> I've got a half full tank of He, that'll be the last
[12:27] <chris_99> aha
[12:27] <fsphil> unless I'm doing a launch with/for someone else, and they're paying for it
[12:27] <chris_99> do you have a H regulator? or know how much they cost
[12:27] <fsphil> not yet
[12:28] <fsphil> I had one bookmarked but I've since lost that link
[12:28] <fsphil> it's from BOC
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[12:29] <chris_99> i wonder if generating your own hydrogen would work out any cheaper than buying it from BOC etc.
[12:33] <Hix> fsphil: what software do you use for capturing feeds from your nestboxes?
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[12:40] <costyn> chris_99: guy from my hackerspace did the calculations the other day, and it's not worth it
[12:41] <costyn> chris_99: you need a ridiculous amount of energy and besides, handling and compressing H2 requires special equipment etc etc
[12:45] <chris_99> aha gotcha, cheers for the info
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[12:56] Action: jcoxon has cleared out a cupboard and found a box of dvds - time for music magpie
[12:56] <fsphil> Hix: homebrew program, which is a bit ugly. others use vlc
[12:57] <fsphil> costyn: what generating it from solar? since we don't launch too often, we can let it work away between launches
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[13:00] <cuddykid> ping WillDuckworth
[13:02] <Laurenceb_> http://www.aerostich.com/a-to-b-utilities/special-products/electrical-smoke-re-concentrator.html
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[13:05] <costyn> fsphil: there isn't an 'easy' way to do it except electrolysis, is there? the industrial process uses steam reforming
[13:05] <costyn> which isn't easy by any means
[13:07] <Steffanx> Laurenceb_ you forgot to say: retweeting
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[13:07] <Laurenceb_> pasteing
[13:07] <Laurenceb_> twatter is for perman00bs
[13:12] <Hix> good thinking fsphil I was trying VirtualDub, but it was outputting huuuge raw files. never even thought of VLC as a capture tool
[13:19] <cuddykid> odd, the ublox just outputs random coords until it gets lock
[13:20] <Upu> yeah thats normal
[13:20] <cuddykid> ah good
[13:20] <cuddykid> seems to be taking a liking to southern europe - don't blame it :)
[13:21] <NigelMoby> it loves the med!
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[13:32] <Hix> ping chrisstubbs
[13:34] <chrisstubbs> Hey Hix
[13:34] <Hix> hi, quickie, what are you using to expose your pcbs?
[13:34] <chrisstubbs> Im using toner transfer
[13:34] <chrisstubbs> with an iron
[13:35] <Hix> so there is no need for you to expose the boards? just dip in etch and the toner holds copper there. just clean with wire-wool after?
[13:36] <chrisstubbs> Yep, i sometimes prep the boards with wire wool and acetone before hand if they are a bit tarnished
[13:36] <Hix> ok, cool. saves a lot of effort.
[13:37] <chrisstubbs> But they do not need to be exposed. I would like to give the UV method a go but the setup cost for a UV box seems a bit excessive for the number i make
[13:37] <Hix> yeah, thats what i was thinking
[13:37] <chrisstubbs> the DIY exposure boxes seem easy to make, but from what ive heard they can give you quite naff results if they arent right
[13:38] <Hix> there's some things i want to try and getting 10 boards from hackvana is a bit excessive for an smd test
[13:38] <Hix> yeah, looked into homebrew UV boxes
[13:38] <chrisstubbs> My college had a proper UV setup and bubble etching tank and their results were worse than my toner transfer ones
[13:38] <Hix> heh
[13:39] <Hix> did kapton tape improve things or not much difference
[13:39] <chrisstubbs> its nice to home etch prototypes becuase you can turn a board around in a day. If its all tested and works getting some hackvana boards made would be cool
[13:40] <chrisstubbs> kapton tape worked pretty well for the thinner traces in the middle, however towards the edge of the tape the toner density seemed much thinner when it was transferred to the board
[13:40] <Hix> I've got tracker and GSM boards coming, but i want to play with some other ideas also. problem is there are some fiddly smd parts and breadboard isn't an option
[13:40] <Hix> you just touched up with a cd marker yeah?
[13:40] <chrisstubbs> Going to try and do this SMD board today so i will see how i get on with kapton again. Pages from WIRED magazine seemed to work pretty well
[13:41] <chrisstubbs> yeah, or a fine tipped OHP pen
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[13:41] <chrisstubbs> if you can even buy them anymore
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[13:41] <Hix> got a load of em
[13:44] <chrisstubbs> Got a bunch of these in the post the other day becuase they were cheap as chips: http://www.ebay.co.uk/itm/10Pcs-FR4-Copper-Clad-Circuit-Board-Single-PCB-70-x-100-x-1-5mm-/170900726389?_trksid=p2045573.m2042&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D27%26meid%3D6122160678404608721%26pid%3D100033%26prg%3D1011%26rk%3D1%26sd%3D170900726389%26
[13:44] <chrisstubbs> the board looks like its made from paper
[13:44] <chrisstubbs> says its FR4 but i dont belive them
[13:44] <Hix> heh
[13:45] <Hix> ebay seller bul$%*&^&ng, never :)
[13:46] <chrisstubbs> getting my printers toner density up to 1200dpi helped the most
[13:46] <chrisstubbs> limited to 600 under win7. had to get a xp box out of the loft and run the driver on that.
[13:46] <SpeedEvil> eww
[13:48] <chrisstubbs> xp? or those horrid boards?
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[13:49] <cuddykid> can anyone remember the common reason why rfms stop working during flights sometime iirc?
[13:49] <cuddykid> might be getting confused with ubloxs
[13:50] <number10> possibly sometimes in pico due to cold
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[13:50] <chrisstubbs> or flight mode?
[13:50] <chrisstubbs> cuddykid, saw your boards on twitter. looks very neat!
[13:50] <number10> also power saving mode can cause a problem if you dont have view of enough satalites
[13:51] <SpeedEvil> chrisstubbs: driver regressions
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[13:53] <cuddykid> ah yes
[13:53] <cuddykid> chrisstubbs: yeah, I'm very pleased with them! Upu did a super job soldering them up :)
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[14:13] <griffonbot> Received email: MikeB "[UKHAS] Re: Launch Announcement - Horizon 2 - 23rd March - Walsall, UK"
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[14:41] <Morseman> Any flights in UK this weekend?
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[15:36] <DrLuke> http://www.liorelazary.com/index.php?option=com_content&view=article&id=49:hacking-the-baofeng-uv5r&catid=14:baofeng-uv5r&Itemid=17
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[15:36] <DrLuke> This might be interesting for someone
[15:37] <Randomskk> ooh I have a uv-5r
[15:38] <NigeyS> wonder if that'll work on the uv-x4
[15:40] <Hix> does anyone know if you can use usbtinyisp with the adruino IDE?
[15:41] <NigeyS> iirc you can use it via that to burn bootloaders
[15:41] <NigeyS> haven't tried it for anything else, so not sure.
[15:42] <Hix> I can't be dealing with getting to grips with AVRDude at the moment - just wanted to quickly fire something onto a DIP
[15:45] <NigeyS> hix
[15:45] <NigeyS> http://arduino.cc/forum/index.php?topic=104223.0
[15:46] <Hix> Ta muchly NigeyS
[15:46] <NigeyS> :)
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[16:16] <Tramvai> Hello
[16:16] <NigeyS> hi
[16:17] <Tramvai> Oh wow, a lot of people here.
[16:17] <NigeyS> yup :)
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[16:20] <Tramvai> Okay, I have been planning this space balloon project for a good while now and the only thing I can't really find a proper match for is the camera
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[16:21] <Tramvai> Is it possible to use a digital camera for recording that kind of stuff?
[16:21] <NigeyS> alot of people tend to use the canon a560
[16:22] <NigeyS> you can program it with the CHDK toolkit
[16:22] <Tramvai> Ah
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[16:23] <Tramvai> I'd love to record video, but the shaking would probably not give me good footage
[16:23] <Hix> plenty of gopro flights
[16:23] <Tramvai> A lot
[16:23] <Tramvai> But they're expensive
[16:24] <Hix> true, though you could use any cheap SDrecording camera
[16:24] <Hix> ask Upu about a keyfob thingy
[16:24] <Tramvai> Ah, them keychain cameras.
[16:24] <Hix> though from memory, they interfere with GPS or radio
[16:25] <fsphil> some models will block gps
[16:25] <fsphil> but not all
[16:25] <Hix> can you wrap em in lots of foil to shield them?
[16:25] <Upu> I wouldn't fly one
[16:25] <Hix> there you go then
[16:25] <Tramvai> Talking about GPS
[16:26] <Tramvai> Has anyone used an android smartphone for GPS?
[16:26] <Hix> the guru has spoken :)
[16:26] <Upu> if you put the GPS antenna away from them
[16:26] <Upu> they should be ok
[16:26] <Hix> Tramvai: they cut out before apogee
[16:26] <Upu> but we've had 2 flights jammed now by then
[16:27] <Tramvai> Huh, Hix?
[16:27] <Tramvai> You mean the GSM reception?
[16:28] <Hix> GSM limit is ~2km, but the GPS probably wont cope with the altitude either, thats why everyone uses ublox chip
[16:28] <Tramvai> Ah
[16:29] <Hix> this one http://goo.gl/xrb3K
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[16:30] <Tramvai> I was checking that store out earlier, yeah.
[16:32] <Tramvai> Is there any good guide for the u-Blox stuff?
[16:33] <Hix> there's loads of info on the wiki
[16:34] <Hix> here: http://goo.gl/KHjHl
[16:34] <griffonbot> Received email: Adam Dunville "[UKHAS] Downlink code help"
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[16:35] <Tramvai> Thank you
[16:36] <Hix> nps
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[16:41] <Tramvai> Anyone here from the Baltic states?
[16:43] <Tramvai> Figures. :P
[16:44] <mattbrejza> Tramvai: x-f is from lativa (im fairly sure)
[16:44] <Tramvai> Ah
[16:45] <Tramvai> Cheers
[16:46] <Tramvai> Do you know if he has done any launches before?
[16:46] <Tramvai> With weather balloons?
[16:46] <mattbrejza> doing paperwork atm i tihnk
[16:47] <Tramvai> Ah
[16:47] <Tramvai> This kind of stuff is very uncommon around here
[16:48] <mattbrejza> you could be number 2...
[16:48] <Tramvai> Actually, I think I am
[16:48] <Tramvai> *will be, yeah.
[16:49] <Tramvai> I only found one article about something like that being done here
[16:49] <griffonbot> Received email: jdtanner "[UKHAS] Re: Downlink code help"
[16:50] <x-f> hi, Tramvai, nice to see another neighbour here :)
[16:50] <Tramvai> Hey, x-f!
[16:50] <x-f> as everyboody already knows, i'm stuck with our CAA, but in any case and hopefully, i'm doing a launch in April or at least May
[16:50] <chrisstubbs> Hix just ironed my next set of boards. one has a nice layer of toner and the other isnt so good :(
[16:51] <Tramvai> Glad to hear that
[16:51] <chrisstubbs> its odd, it seems to go streaky in places
[16:51] <Hix> hmm, maybe you need to disconnect the fuser so you get unfused poweder....
[16:52] <Tramvai> x-f: Is your name Krlis?
[16:53] <x-f> Tramvai, no
[16:53] <Tramvai> Ah :P
[16:53] <Tramvai> Is someone by that name in your group?
[16:53] <x-f> no
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[16:53] <Tramvai> Trying to buy a weather balloon I was told a Latvian group was organizing something similar and had already ordered a balloon from their company.
[16:54] <x-f> hmm..
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[16:55] <x-f> Tramvai, got any website for their project or anything?
[16:55] <Tramvai> Nope, they only passed me the contact information.
[16:55] <Tramvai> I'll pass it to you.
[16:56] <Tramvai> When I figure out how to send private messages.
[16:56] <chrisstubbs> Hix, i might just be low on toner
[16:56] <chrisstubbs> never changed the cardridge :P
[16:56] <Hix> yeah, could be, worth giving it a shake to move it around a touch
[16:56] <chrisstubbs> its proabably good for another 2000 pages of normal text. just not quite cutting it for PCBs
[16:56] <Hix> send it back tell them its not fit for purpose ;p
[16:57] <chrisstubbs> i got it second hand off ebay
[16:57] <x-f> Tramvai, i know about one group that are planning to do a launch in late summer, but that's not really a private project, it's some "science center"
[16:57] <chrisstubbs> came with 3 toner cartriges with about 75% in each for £20
[16:57] <Tramvai> Ah
[16:57] <Tramvai> I sent you the info they passed me
[16:59] <x-f> Tramvai, umm.. i didn't receive, send me an email to x-f @ x-f .lv, please
[16:59] <Tramvai> Sure
[16:59] <x-f> Tramvai, will you use radio for telemetry?
[17:00] <Tramvai> I haven't gotten that far yet
[17:00] <Tramvai> I thought I could use my old smartphone for logging
[17:00] <Tramvai> And then receive the location of landing when it reaches GSM heights again
[17:00] <x-f> that was my plan at first, too :)
[17:01] <WillDuckworth> hey cuddykid
[17:02] <x-f> Tramvai, i'm gonna leave the smartphone as a backup, but i recommend you to use radio communications - it's quite easy, more reliable and more fun, as you get the information about your payload all the time
[17:02] <griffonbot> Received email: Adam Dunville "[UKHAS] Re: Downlink code help"
[17:02] <x-f> and with latest developments in software defined radio, it is not so expensive anymore, too
[17:03] <Tramvai> Ah
[17:03] <Tramvai> That sounds great
[17:03] <x-f> it is, have you seen spacenear.us yet?
[17:04] <x-f> UKHAS guys have been doing this for years!
[17:04] <Tramvai> No, not yet :)
[17:04] <Hix> Arduino IDE is infuriating
[17:04] <mfa298> this looks like a useful tool to have in the tool kit
[17:04] <mfa298> http://www.aerostich.com/a-to-b-utilities/special-products/electrical-smoke-re-concentrator.html
[17:04] <Laurenceb__> http://www.youtube.com/watch?v=mI7VTjuPx_s
[17:04] <mfa298> (if only it was a real thing)
[17:05] <Tramvai> I sent you the e-mail, I hope I got the address right
[17:05] <x-f> Tramvai, i got it, thanks, i'll send you a reply a bit later
[17:05] <Tramvai> Sure
[17:06] <Tramvai> Where did you order your balloon, if I may ask?
[17:08] <x-f> Tramvai, http://randomaerospace.com/ - run by one of the habbers
[17:08] <x-f> there are parachutes and other stuff, too
[17:08] <Tramvai> How were the shipping costs?
[17:09] <x-f> £16
[17:10] <Tramvai> Ah
[17:10] <x-f> depends on what you order, of course
[17:11] <Tramvai> Yep
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[17:12] <Tramvai> And you use uBlox, right?
[17:12] <x-f> yep
[17:12] <griffonbot> Received email: jdtanner "[UKHAS] Re: Downlink code help"
[17:13] <x-f> Tramvai, there is a lot of information about radios, GPS and everything on UKHAS wiki
[17:13] <Tramvai> Yeah, sorry, I'm quite new to this, haven't really gone too in depth yet
[17:14] <x-f> i'm just saying
[17:14] <Tramvai> :)
[17:14] <x-f> Tramvai, here's the link - http://ukhas.org.uk/
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[17:15] <Tramvai> Thank you
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[17:17] <Tramvai> And a major fear factor for me is this:
[17:17] <Tramvai> http://i.imgur.com/h3MUO2O.png
[17:17] <Tramvai> A - starting point, C - burst point, D- landing point
[17:17] <Tramvai> That's from a trajectory calculator example I tested once.
[17:17] <Randomskk> try http://habhub.org/predict
[17:18] <Randomskk> note that they change a lot over time, as the winds shift around
[17:18] <x-f> Tramvai, you're from Tallinn?
[17:18] <chrisstubbs> Timt to go etch some pcbs, bbl
[17:18] <Tramvai> Yes.
[17:18] <Tramvai> I know, Randomskk. :P
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[17:20] <x-f> Tramvai, i follow radiosondes every once in a while (also thanks to the SDR), this was the predicted path for one in January - http://x-f.lv/x-files/blog/radiosonde-20130106-1.jpg
[17:20] <x-f> from Tallinn right to my town :)
[17:21] <Tramvai> Heheh
[17:21] <x-f> but, as it didn't have a chute, it landed somewhere not far from the border
[17:21] <Tramvai> Burst point right at the border
[17:21] <Tramvai> Ah
[17:22] <x-f> on summer flight paths usually are shorter
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[17:45] <Hix> sounds weird, but has anyone ever come across ATMEGA168 pin number discrepancies?
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[17:49] <Babs_> Does anyone have experience of a Ublox taking ages to find a lock today? Wonder whether the cloudy rainy weather may be a factor. 15 mins in and still no lock in u-center (although i can see that the unit is picking up satellites, just not enough or fast enough (am in the open air)
[17:50] <Upu> some days it takes ages
[17:50] <Upu> for no reason I can work out
[17:51] <Elwell> noise on signal line?
[17:51] <Randomskk> if the chip has no idea where in the world it is then it has to download full ephemeris from all the sats
[17:51] <Randomskk> which is fundamentally limited by the signalling rate (it's slow)
[17:52] <Randomskk> if you get unlucky with satellite positions that could take ages
[17:52] <Randomskk> 12.5 minutes for a full almanac from one satellite
[17:52] <Upu> that would explain the max7 the other day
[17:53] <Babs_> the unit is clearly not toast as its receiving signals, just not enough *climbs out on to the top of the roof in true Rod Hull fashion*. Looking on the interweb dense cloud can be a factor,
[17:53] <Babs_> thanks everyone, i'll keep it out there a little longer
[17:56] <Laurenceb__> in my experience bad power supply can screw up the acquisition badly
[17:56] <Laurenceb__> but ive only used ublox5
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[18:09] <jdtanner> Is there anyway of letting the GPS know roughly where it is? My old handheld Garmin used to allow that, and the lock was much faster.
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[18:12] <Randomskk> yea, via u-center. but it can be a faff.
[18:13] <jonsowman> in theory you could do it from the micro
[18:13] <jonsowman> there are messages to set it iirc
[18:14] <jdtanner> I thought there might be. I'm trying to find that info now :)
[18:15] <Hix> this is a good case for eeprom backup for ublox, it could save its state from the last time couldn't it?
[18:15] <Randomskk> heh
[18:16] <Randomskk> only one type of memory allows that
[18:16] <Randomskk> iirc not the eeprom
[18:16] <jonsowman> correct
[18:16] <jonsowman> SPI flash
[18:16] <Randomskk> eeprom is only good for saving config
[18:16] <Randomskk> which is fun
[18:16] <jonsowman> alternatively, backup battery
[18:16] <Randomskk> yea
[18:16] <Randomskk> battery is a good option
[18:16] <Hix> ah, nearly :)
[18:16] <Randomskk> lets it keep the time too
[18:16] <Randomskk> the spi flash is really annoying to use though
[18:16] <Randomskk> means you can't use the usb, or the serial, or something
[18:17] <jonsowman> oh yeah...
[18:17] <jonsowman> maybe they fixed this on the ubx7
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[18:20] <jonsowman> jdtanner: look up uBlox AssistNow
[18:21] <jdtanner> Just got there :D
[18:21] <jonsowman> sorry, I'd typed the above ages ago and not sent it
[18:21] <jonsowman> http://www.u-blox.com/images/downloads/Product_Docs/u-blox6_ReceiverDescriptionProtocolSpec_%28GPS.G6-SW-10018%29.pdf
[18:21] <jonsowman> page 34
[18:21] <Tramvai> x-f: Still there, mate? :P
[18:22] <Hix> It's jjust dawned on me that I didn't breakout any of the analogue pins on my tracker board, only digital. No battery monitoring for me then :/
[18:22] <NigeyS> jonsowman, thats just an evil evil document right there :p lol
[18:22] <jonsowman> haha
[18:23] <NigeyS> although mon-hw looks interesting
[18:23] <x-f> Tramvai, yep
[18:23] <Tramvai> Ah :P
[18:23] <Tramvai> I was wondering what you use as a receiver for tracking
[18:23] <jonsowman> NigeyS: there's a lot of cool stuff that the uBloxes can do
[18:23] <chrisstubbs> Hix bug solder it ;)
[18:23] <Tramvai> The sophisticated radios are quite expensive
[18:24] <Tramvai> So, a USB dongle is the way to go?
[18:24] <Hix> tqfp......
[18:24] <NigeyS> yup jon, albeit a pain in the backside to get right
[18:24] <jonsowman> tqfp is fineee
[18:24] <jonsowman> NigeyS: yeah, it's difficult to document such complex devices
[18:24] <jonsowman> they could have done a bit better but it's inherently quite difficult
[18:24] <chrisstubbs> rip open some cheap headphones and get one strand of that enameled wire stuff out
[18:24] <NigeyS> fair point
[18:25] <x-f> Tramvai, we have one of those dongles and a radio scanner (Yupiteru or something)
[18:25] <Tramvai> Oh
[18:25] <Hix> my very-nears make the wire dia 0.59mm so it's gonna be close
[18:25] <Tramvai> You think I'd be able to track it using just the dongle?
[18:27] <chrisstubbs> Hix, boards turned out a little crappy
[18:27] <chrisstubbs> got 2 traces to repair :(
[18:27] <Hix> pants...
[18:27] <x-f> Tramvai, i know people here have done it, but i personally haven't tested it in a flight yet :)
[18:27] <Hix> wire bridges?
[18:27] <chrisstubbs> rest should be ok
[18:27] <Tramvai> Oh
[18:27] <chrisstubbs> should just be able to solder blob the traces
[18:27] <Tramvai> Thanks for the help again :) I'll keep on searching
[18:28] <x-f> Tramvai, when you get nearer to the launch time, it is worth contacting Estonian radio amateurs, they might be keen to track your payload
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[18:28] <Tramvai> That's a great idea!
[18:30] <x-f> Tramvai, basically it is: your payload -> many users/receivers with dl-fldigi -> spacenear.us/tracker
[18:31] <Tramvai> Ah
[18:31] <chrisstubbs> not to self: use bigger traces
[18:33] <jdtanner> Yeah, might give the GPS seeding idea a miss...looks like a total ballache
[18:33] <jonsowman> lol
[18:33] <jonsowman> it's probably not too awful
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[18:41] <jdtanner> Maybe, but the UBlox protocol bakes my noodle
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[19:06] <griffonbot> Received email: chris hillcox "[UKHAS] Re: Launch Announcement - Horizon 2 - 23rd March - Walsall, UK"
[19:16] S_Mark (S_Mark@212-139-120-124.dynamic.dsl.as9105.com) left irc:
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[19:19] <griffonbot> @stratodean: Been busy writing a blog post on the tracker today, still a bit to do though! #comingsoon #ukhas [http://twitter.com/stratodean/status/310469870213013504]
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[19:49] <griffonbot> Received email: Adam Dunville "[UKHAS] Re: Downlink code help"
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[19:49] <Lunar_Lander> hello
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[19:52] <anerDev> hi guys !
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[19:53] <fsphil> salut
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[20:10] <anerDev> salut fsphil ! =D
[20:11] <anerDev> I'm making a circuit for pilot a piezo siren
[20:11] <anerDev> for listen where is the ballon when go down !
[20:11] <anerDev> :)
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[20:28] <fsphil> and scarin the locals anerDev :)
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[20:29] <fsphil> scaring*
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[20:56] <anerDev> fsphil yes huahuahua
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[21:35] <HixPad> Evenin all. Any ideas how to remove bootloader from at mega?
[21:37] <mfa298> if you've got an avrisp you might be able to remove it
[21:37] <NigeyS> use avrdude and an erase chip
[21:37] <NigeyS> do*
[21:37] <mfa298> although you might have to set some suitable fuses
[21:39] <HixPad> Hokay I've got tinyusbisp so should be able to use avrdude. Though I have been avoiding avrdude as its something else to learn on the pile
[21:41] <fsphil> if you remove the bootloader you'll need avrdude to program it
[21:41] <chrisstubbs> HixPad, if you just hit "upload using programmer" in the arduino IDE doesnt that overwrite the bootloader?
[21:42] <fsphil> that calls avrdude in the background
[21:42] <HixPad> Errm dunno, if it does win win
[21:42] <HixPad> Carl shift U
[21:42] <fsphil> why are you getting rid of the bootloader btw?
[21:42] <chrisstubbs> I know you can upload sketches to a non arduino bootloadered chip by ISP that way
[21:42] <HixPad> Got a 168 so it's only got 16k
[21:43] <fsphil> how big is your program?
[21:43] <HixPad> 2k for a redundant feature is a waste
[21:44] <nigelvh> Unless you're really out of room I tend to leave the bootloader. It's a handy thing.
[21:44] <HixPad> Currently tracker is 13k but I'm looking to add geofence, cutdown interrupts and camera control
[21:44] <HixPad> The bootloader is easy to add back
[21:44] <fsphil> ah
[21:44] <fsphil> 13k is pretty big
[21:45] <nigelvh> Yeah, I'd think there could be some savings there.
[21:45] <Lunar_Lander> hi nigelvh
[21:45] <SpeedEvil> a 13K tracker?
[21:45] <HixPad> That shitty tinygps float thing canes it
[21:45] <SpeedEvil> That seems a leetle bit fat
[21:45] <SpeedEvil> Ah
[21:45] <SpeedEvil> Float is evil
[21:46] <HixPad> But I've got something working as a start so loathe to leave it for now
[21:46] <HixPad> When I progress I will enter a brave new world
[21:46] <HixPad> SpeedEvil: It's morbidly obese
[21:47] Action: SpeedEvil has been sort-of-wondering about a zx81 tracker
[21:47] <fsphil> 6510 is where it's at :)
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[21:47] <fsphil> it even has gpio pins
[21:47] <Lunar_Lander> btw why do you have a 168 and not an 328?
[21:48] <HixPad> That just makes me think of a spectrum
[21:48] <fsphil> aah cool, my version of avr-size can calculate the size now
[21:48] <fsphil> in a percentage
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[21:48] <HixPad> Lunar_Lander: Coz it was in the box
[21:48] <Lunar_Lander> ah
[21:48] <HixPad> I have 328 also but why not use what I've already got
[21:48] <HixPad> Multi testing
[21:49] <HixPad> What's your plan next then Lunar_Lander? Gonna go for real altitude?
[21:50] <Lunar_Lander> yes
[21:50] <Lunar_Lander> having a better box
[21:50] <Lunar_Lander> maybe a video camera
[21:50] <HixPad> Errrr
[21:50] <Lunar_Lander> and geiger counter
[21:50] <HixPad> Ah
[21:50] <HixPad> XD
[21:50] <Lunar_Lander> xD
[21:50] <fsphil> 1 geiger, 2 geigers, 3 geigers
[21:50] <HixPad> Heh
[21:50] <Lunar_Lander> xD
[21:50] <HixPad> Eingeiger
[21:50] <Lunar_Lander> XD
[21:51] <fsphil> Energeiger Ultimate Lithum
[21:51] <HixPad> Heh
[21:51] <fsphil> last for years but you may have some health side effects
[21:51] <Lunar_Lander> ROFL
[21:52] <HixPad> Energeiger uranium lithium
[21:52] <Lunar_Lander> lol
[21:52] <HixPad> Tend to run away
[21:52] <HixPad> Therms ally
[21:52] <HixPad> Thermically
[21:52] <HixPad> Even
[21:52] <HixPad> Kin apple
[21:53] <HixPad> It's not even typo stuff
[21:53] <Lunar_Lander> xD
[21:54] <HixPad> Dunno why but people think its weird to have an ISP and breadboard in the pub :)
[21:56] <fsphil> better than darts
[21:56] <HixPad> I've been tempted to throw them ;)
[21:57] <HixPad> I like darts as it goes, bit of beer based anger management
[21:57] <HixPad> Good shout on VLC btw cheers
[21:58] <Lunar_Lander> xD
[21:58] <Lunar_Lander> our old neighbour had a garden hut
[21:58] <Lunar_Lander> and like my dad and I would come over and then I could try real darts
[21:58] <Lunar_Lander> we got an electric darts at home
[21:58] <Lunar_Lander> and I was like 7 maybe
[21:58] <Lunar_Lander> so I threw and everyone laughed
[21:58] <Lunar_Lander> because the dart stuck in the ceiling
[21:58] <HixPad> She issue
[21:59] <HixPad> Think you got that auto correct Lunar_Lander
[21:59] <Lunar_Lander> xD
[21:59] <Lunar_Lander> once we made a wheel of fortune based off the gameshow
[21:59] <HixPad> If I were female I would be writing to apple about that one....
[22:00] <Lunar_Lander> and the game "Plinko" from "The Price is Right"
[22:00] <Lunar_Lander> if you know that
[22:01] Action: HixPad puts fingers in ears and makes happy sounds at the mention of tv game shows
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[22:02] <HixPad> Isn't boggle another game?l
[22:03] <Lunar_Lander> on the price is right?
[22:04] <Lunar_Lander> I don't know, the german version was cancelled back in 1997
[22:04] <HixPad> Kill me now ;p
[22:04] <Lunar_Lander> no
[22:04] <HixPad> Richtichespreiss
[22:04] <Lunar_Lander> np: Ronan Keating - Life is a Rollercoaster
[22:04] <Lunar_Lander> xD
[22:04] <Lunar_Lander> ah here it was called "Der Preis ist heiß"
[22:04] <Lunar_Lander> like "The Price is hot"
[22:05] <Lunar_Lander> XD
[22:05] <HixPad> Maybe one of the assistants was but not the show
[22:05] <Lunar_Lander> XD
[22:06] <Lunar_Lander> the best thing was that like in 1999 the host returned to a small TV station to cook every afternoon
[22:06] <Lunar_Lander> with the show "Der Reis ist heiß"
[22:06] <Lunar_Lander> which means "The Rice is hot"
[22:06] <HixPad> Hey Lunar_Lander I once asked Schumi in the office if he realised he got slow
[22:06] <Lunar_Lander> how comes that you met him?
[22:07] <HixPad> Went down like a sack of she issue
[22:07] <HixPad> Worked for Mercedes GP a couple of years ago
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[22:07] <HixPad> I did it in pigeon German too :)
[22:08] <Lunar_Lander> xD cool!
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[22:35] <Lunar_Lander> HixPad, btw my avrispmkII works :)
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[22:38] <HixPad> Fur was?
[22:39] <HixPad> Es ist neuess?
[22:45] <Lunar_Lander> ja
[22:45] <Lunar_Lander> zum programmieren von AVR :)
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[22:53] <griffonbot> Received email: John Tanner "Re: [UKHAS] Re: Downlink code help"
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[23:28] <griffonbot> Received email: Adam Dunville "Re: [UKHAS] Re: Downlink code help"
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[23:33] <griffonbot> Received email: anerDev "[UKHAS] Re: Can I use this antenna for tx ?"
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[23:53] <griffonbot> Received email: John Tanner "Re: [UKHAS] Re: Downlink code help"
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[00:00] --- Sun Mar 10 2013