highaltitude.log.20110424

[00:00] <NigeyS> hm
[00:00] <NigeyS> hey speedy
[00:00] <NigeyS> so i brought the payload in ..
[00:06] <SpeedEvil> :)
[00:07] <NigeyS> do lipo's shrink in the cold or something? :|
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[01:56] <SpeedEvil> Laurenceb_: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MMA9550L&webpageId=1084288158625737424209&nodeId=01126911184209&fromPage=tax neat!
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[04:03] Nick change: TangoAlpha_ -> TangoAlpha
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[04:50] <Zuph> All build systems suck an make me waant to kill myself.
[05:36] <SamSilver> Zuph:care for a coffee?
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[05:37] <mattltm> Morig :)
[05:38] <mattltm> Duh. Wake up fingers.
[05:39] <SamSilver> Mattltm Java time?
[05:39] <mattltm> Yes. Defo!
[05:40] <mattltm> Got a nice hot one in front of me now :)
[05:41] <SamSilver> my darling wife will be putting one down in front of me soooooon!
[05:41] <mattltm> Yay! My wench is still in bed.
[05:41] <SamSilver> ahhhhhh!!
[05:41] <mattltm> Ohhhhh!
[05:42] <SamSilver> local time is 07h41
[05:42] <SamSilver> soooo whats the story with kippers and Honda Jazz wing mirrows?
[05:43] <SamSilver> mirrors
[05:43] <mattltm> Sounds like you need to lay off the coffee Sam!
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[05:46] <SamSilver> any idea who that is running test on spacenear.us trackker?
[05:50] <mattltm> Which one Sam?
[05:51] <SamSilver> oh right .. the one that looks like it is stuck in a tornado.
[05:51] <mattltm> I know Nigey is doing a 24 ground test with his payload. May have started it.
[05:52] <SamSilver> eos
[05:52] <SamSilver> 01
[05:52] <mattltm> Ah. No idea.
[05:54] <Zuph> SamSilver: Had one 4 hours ago. Almost time for bed.
[05:55] <SamSilver> Ahh Zuph a few hicups?
[05:56] <Zuph> Just playing around with this ARM board in Linux.
[05:57] <Zuph> Make sucks.
[05:57] <SamSilver> I read your poast at 06:50
[05:58] <Zuph> 0200 local here :)
[05:58] <SamSilver> maybe some rem sleep will bring a solution
[05:59] <Zuph> Here's hoping.
[06:00] <Zuph> I've got it down to an errant space in the tool path.
[06:00] <Zuph> So it can't be too far.
[06:00] <SamSilver> well done
[06:01] <SamSilver> a few cups of coffee later and it will be all sorted!
[06:02] <SamSilver> The you can run another test and then launch by tommorow lunch-time!!
[06:02] <SamSilver> then
[06:02] <Zuph> hah
[06:02] <SamSilver> :-P
[06:02] <Zuph> I suppose this is coffee with the power to distort space-time :)
[06:04] <SamSilver> and it infuses your bank ballance with loz of lolly! yes that coffee!
[06:05] <Zuph> I think I need a bit more of this brew.
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[06:08] <SamSilver> GW8RAK did you bring magic coffee beans with?
[06:08] <GW8RAK> No, was I meant to?
[06:09] <SamSilver> zuph, mattltm and I are in need of a magic brew.
[06:10] <SamSilver> coffee with the power to distort space-time
[06:10] <GW8RAK> Now that is something I could do with.
[06:10] <SamSilver> and it infuses your bank ballance with loz of lolly!
[06:10] <mattltm> Yay for magic coffee!
[06:10] <GW8RAK> Something which would distort DIY websites such that they give the answers I want, not the ones they want to present.
[06:11] <mattltm> lol.
[06:12] <GW8RAK> All the weekend deals on kitchens are really confusing.
[06:12] <mattltm> GW8RAK: New kitchen time?
[06:13] <GW8RAK> Yes. I'm okay with what's there now, but when I sell the place it would reduce the value, so new kitchen time.
[06:13] <mattltm> Ah. I feel your pain :(
[06:13] <GW8RAK> But have put some money away for balloon projects. Not all my ill gotten gains are going on the kitchen and bathroom.
[06:14] <GW8RAK> Was even weighing modules yesterday for a pico balloon.
[06:14] <GW8RAK> Was given a GPS unit recently so don't mind loosing it, but it is 46g.
[06:14] <mattltm> I just managed the convince the other half to move the kitchen into the unused dining room so that I can have the old kitchen (is built in the old single story out building) as a new shack :)
[06:15] <GW8RAK> Hmmmm, new shack, want one.
[06:16] <GW8RAK> But that'll have to wait till I move. Got a big house and come September, it'll be just me, so time to downsize I think. And release some money.
[06:16] <GW8RAK> Will miss the huge garden and field for HF radios though
[06:16] <mattltm> What I would do for a good sized garden.
[06:17] <GW8RAK> Come and cut all my grass for me and you can have a free aerial.
[06:17] <SamSilver> sheep?
[06:17] <GW8RAK> Leave a radio here, access it over the internet and it's yours.
[06:17] <GW8RAK> Tried sheep and goats.
[06:18] <GW8RAK> They leave marbles everywhere
[06:18] <mattltm> lol.
[06:18] <GW8RAK> Goats are great escapers as well. One got out, came in the house and ended up watching telly with us. My wife thought it was lovely.
[06:19] <SamSilver> anyone got a got site I can access for enlightening me on the outputs of a gps and the termimology used?
[06:19] <mattltm> Lol. I have chickens. They are very entertaining.
[06:19] <SamSilver> good
[06:19] <SamSilver> *
[06:20] <mattltm> What do you need to know Sam?
[06:20] <SamSilver> I want to learn more about the outputs
[06:20] <GW8RAK> Have a look at the datasheets for the particular unit. Google a bit and you'll know the easy things, i.e. what they put out. The hard part is reading and processing it.
[06:22] <mattltm> Yes, Datasheet first. What device is it?
[06:23] <SamSilver> http://www.navsync.com/GPS_module.html
[06:23] <mattltm> Oh. Not seen that one before.
[06:25] <mattltm> Which one do you have?
[06:27] <GW8RAK> The thing to check for SamSilver is that the speed and altitude limits are "either may be exceeded, but not both".
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[06:35] <SamSilver> what do you think of the GPS that I posted?
[06:36] <SamSilver> I can't find the mass.
[06:36] <SamSilver> Something which would distort GPS websites such that they give the answers I want, not the ones they want to present.
[06:38] <SamSilver> it's weight might well be there but it is too well hidden for me to find.
[06:38] <mattltm> SamSilver: Which module do you have? The MS20 or the CW20?
[06:40] <SamSilver> niether - i was looking at the MS20
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[06:42] <mattltm> I can't see a weight :(
[06:43] <SamSilver> I KNOW!!!!
[06:43] <SamSilver> lol
[06:43] <SamSilver> you would think ....
[06:43] <mattltm> Any reason why you want to use that module insted of one of the proven ones?
[06:44] <SamSilver> I want real accurate altitude for my floater's ballast system
[06:45] <mattltm> Altitude is always a bit of a fudge.
[06:45] <SamSilver> and from my understanding of the specs I could get it to output that
[06:45] <mattltm> Most gps devices output altitude.
[06:45] <SamSilver> so the solution is a "kellman loop or an averaging computation??
[06:45] <GW8RAK> Does anyone else get variation in their altitude even if the GPS isn't moving?
[06:46] <SamSilver> to moutp put altitude only more often
[06:46] <SamSilver> output
[06:46] <mattltm> GW8RAK: Yes, I do.
[06:46] <GW8RAK> My GPS reports altitude varying as the number and quality of satellites vary
[06:46] <GW8RAK> Oh good, it's not just me.
[06:47] <mattltm> My module moves by +/- 3M
[06:47] <mattltm> My garmin is solid and stable but it also has DGPS turned on.
[06:48] <GW8RAK> Mine moves by about +-5m I think, although at times, it will be as much as 15m for an individual reading
[06:48] <mattltm> SamSilver: Most modules can output every 2-3 seconds.
[06:48] <SamSilver> could you recomend one please
[06:49] <mattltm> I would guess a lot has to do with the qaulity of the antenna.
[06:49] <mattltm> SamSilver: http://ukhas.org.uk/guides:gps_modules
[06:49] <SamSilver> thanx - missed that section
[06:49] <GW8RAK> I've got an active antenna on mine and it gets first fix in about 10 seconds.
[06:50] <mattltm> Same here. An active Gilsson antenna with a GP.
[06:51] <SamSilver> my main thing is the altitude accuracy
[06:52] <mattltm> If you want high acuracy with altitude, I suggest you look at somthing other than gps.
[06:52] <SamSilver> it becomes important when trying to float
[06:52] <SamSilver> air preasure ??
[06:53] <SamSilver> do tell mattltm
[06:53] <GW8RAK> What is your target accuracy?
[06:53] <SamSilver> radar P
[06:53] <mattltm> Your typical barometric altimeter will be +/- 15M
[06:53] <SamSilver> 100%
[06:53] <SamSilver> accurate
[06:54] <SamSilver> it is more rate of climb or decent
[06:54] <SamSilver> hieght it's self is 2nd-dry
[06:54] <SamSilver> height
[06:55] <SamSilver> rate of acent or decent
[06:55] <SamSilver> I see where you going with this
[06:55] <GW8RAK> Sorry SamSilver, that should have read what is your target precision? How much +/- can you accept?
[06:55] <SamSilver> hmmm gyros and air preasure
[06:56] <mattltm> Maybe find a module that can use DGPS? Its more acurate that GPS alone.
[06:56] <SamSilver> dgps ??
[06:56] <GW8RAK> What does DGPS need? Does it not need another signal?
[06:57] <GW8RAK> Or is it different to differential navigation systems
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[06:57] <mattltm> The DGPS signal comes down from the GPS sats.
[06:58] <mattltm> Very basic exp: Fixed ground stations know their exact position. They recive the position that the GPS sats think they are at, work out the offset and send the offset buck up to the GPS sats.
[06:59] <GW8RAK> And that is available to us?
[06:59] <mattltm> The GPS sats put the DGPS info into their data stream and a DGPS enables reciver can seperate the DGPS data out and apply the offset to itself.
[07:00] <mattltm> Yes, I have a Garmin GPSmap 60csx that can use DGPS.
[07:00] <mattltm> Acuracy: DGPS off = +/- 20ft
[07:00] <mattltm> DGPS on = +/- 4ft
[07:01] <mattltm> The module that I am using for my test payload (not going to fly. Just used to test my auto antenna tracker) can use DGPS.
[07:02] <SamSilver> lat & long & alti?
[07:02] <mattltm> Yes Sam :)
[07:02] <SamSilver> thats fantastic
[07:02] <mattltm> DGPS does rock :)
[07:02] <mattltm> Again, needs a good antenna though.
[07:03] <SamSilver> any recomendations
[07:03] <mattltm> Also, its a game of numbers, the more sats you can lock to, the more acurate the position data.
[07:03] <GW8RAK> What altitude are you hoping to float at SamSilver?
[07:04] <mattltm> Gilsson are the dady of gps antennas athought they are designed for terestrial use.
[07:04] <mattltm> I would go with a good quadrifilar antenna for HAB use. But others may have better ideas.
[07:04] <SamSilver> jet stream
[07:05] <SamSilver> would 12 tracking (48 acquisition) be above avarage?
[07:06] <SamSilver> a qudrifilar is that what whitestar built
[07:06] <mattltm> 3 sats gets you lat/long, 4 gets you alt. so the more above 4, the better the fix.
[07:06] <GW8RAK> At least in the jet stream you shouldn't have to worry about height limits in the GPS
[07:06] <mattltm> Whitestar built one for their sat data modem
[07:07] <mattltm> SamSilver: This module had DGPS and can acuire 51 sats and track 14...
[07:07] <mattltm> http://www.coolcomponents.co.uk/catalog/product_info.php?cPath=21&products_id=518
[07:07] <mattltm> The same module that I am using but I have not played with DGPS on it.
[07:08] <mattltm> Also, not sure if it had a COCOM restriction
[07:08] <mattltm> But since mine will never fly, it dosent matter to me :)
[07:09] <mattltm> The newer firmware aparently removes the COCOM limits but it's not been tested.
[07:09] <GW8RAK> That's worth knowing.
[07:10] <SamSilver> oohh now that would make a good birthday prezzie
[07:10] <mattltm> Once I have finished using mine for testing, fsphil is going to flu it for me to test the COCOM. Then we will know for sure :)
[07:10] <SamSilver> FOR ME!! ;_p
[07:11] <GW8RAK> I think a test flight with everyone's different GPS's would be quite fun to do.
[07:11] <mattltm> http://www.mattltm.co.uk/2011/03/24/habat-test-payload/
[07:12] <GW8RAK> If there are 5 GPS on board, the flight computer gets data from each alternately and then we can see which work and which don't.
[07:12] <mattltm> There it is attached to a basic NTX2 tx and mounted on an arduino. Ready to flu :)
[07:12] <Upu> morning
[07:12] <mattltm> GW8RAK: Great Idea. I'll donate a Venus module :)
[07:12] <mattltm> Hi Upu
[07:13] <SamSilver> mattltm how far along is the trackking system?
[07:13] <GW8RAK> I think I may try that. My GPS datasheet in engineering speak says "either or" but in plain text it states that "either may be exceeded, but not both" So some doubt as to will it/won't it.
[07:14] <mattltm> I have the PT platform working with the arduino and can send it manual commands via serial, the gps is sending data to the arduino.
[07:15] <mattltm> Next I need to source a compass unit so HABAT knows which way it is looking.
[07:15] <SamSilver> I am watching the pan tilt video
[07:16] <mattltm> Then its just a case of pulling the data from dl-fldigi and working out where to point the antenna.
[07:17] <SamSilver> you make it sound soooo easy :-P
[07:17] <mattltm> SamSilver: I will get a better platform than that for the finished project. That one is small and cheep so ideal for testing.
[07:17] <SamSilver> hey mattltm is that a morse key in the back ground?
[07:17] <mattltm> Lol. Im sure I will need lots of help when it comes to woring out where to point it!
[07:18] <mattltm> SamSilver: Yes, sorry :p
[07:19] <SamSilver> lol
[07:19] <mattltm> Im not very good but im getting there :)
[07:19] <mattltm> Right. Time to wake up the wench...
[07:19] <SamSilver> will you be compensating for the inertia of the anttennas by software or will you mount them on marshmellows?
[07:20] <GW8RAK> mattlm, careful mate, if she reads that, you are dead!
[07:20] <GW8RAK> SWMBO likes reading this over my shoulder making derogatory comments.
[07:21] <SamSilver> SWMBO ??
[07:22] <GW8RAK> She Who Must Be Obeyed.
[07:22] <SamSilver> Oh i got one of them
[07:22] <SamSilver> lol
[07:24] <SamSilver> I suck up big time to mine
[07:24] <mattltm> Na, I told her it was a affectionate term :)
[07:24] <SamSilver> my call sign is ZS5SAM
[07:24] <SamSilver> and my darlings name is ... yes you guessed it Sam
[07:25] <SamSilver> my name is David
[07:25] <SamSilver> my nic here is short for Sam's Silver Lover
[07:25] <mattltm> You in SA Sam?
[07:25] <SamSilver> yes
[07:25] <SamSilver> Pietermaritzburg
[07:25] <SamSilver> KZN
[07:26] <SamSilver> ops i am still SU5SAM
[07:26] <SamSilver> ZU5SAM
[07:27] <SamSilver> will be ZS5*** next mth
[07:27] <mattltm> I have a venus module on the bench at the moment. Maybe I should try running it with DGPS on and copmare the results with DGPS off?
[07:28] <SamSilver> I have a dog to walk and a barbeque to get ready for
[07:28] <SamSilver> bbl
[07:28] <SamSilver> thanx for all the great info
[07:28] <mattltm> Byee
[07:29] <SamSilver> cheers
[07:29] <mattltm> And I have a Zoo to go to..
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[07:54] <fsphil> it's morning!
[08:00] <fsphil> nice collection of balloons on the tracker this-morning :)
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[09:01] <fsphil> playing with arps again.. got multimon capturing from pulseaudio rather than oss, but not decoding the packets. which are fairly weak to be fair
[09:19] <eroomde> is something flying fsphil ?
[09:19] <fsphil> nah, this is just normal aprs stuffs on 2m
[09:20] <eroomde> ok
[09:20] <fsphil> just curious what it all is
[09:20] <eroomde> diy decoder?
[09:20] <fsphil> not mine, it's called multimon - but it only supports oss
[09:21] <fsphil> so I've added some crude pulseaudio support
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[10:00] <NigelMoby> Moooooooorning habbers
[10:06] <fsphil> tis a bad habit habing
[10:10] <NigelMoby> Yush expensive too!
[10:11] <NigelMoby> Did u see the vid of Picochu? Lol
[10:11] <fsphil> the one with the cat? :)
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[10:13] <NigelMoby> Aye lol
[10:13] <NigelMoby> Ello cuddy
[10:18] Nick change: TraumaPony -> TraumaKitteh
[10:18] <fsphil> Most cats cause trauma
[10:18] <NigelMoby> Lol
[10:18] <fsphil> it's really cold here today, what happened the sun!
[10:18] <NigelMoby> I stole it
[10:19] <NigelMoby> Not as warm as yesterday here either tbh
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[10:21] <NigelMoby> Hey Laurenceb
[10:21] <cuddykid> Hi NigelMoby
[10:21] <Laurenceb> hi
[10:22] <cuddykid> cloudy here.. after watching the weather forecast I think we're one of the only places in England to have cloud!
[10:22] <NigelMoby> Lol Aww
[10:22] <NigelMoby> I have a lipo question
[10:22] <Darkside> lipos freeze
[10:22] <SpeedEvil> ?
[10:23] <SpeedEvil> At -25 or so.
[10:23] <SpeedEvil> IIRC
[10:23] <NigelMoby> Do they start losing power quicker after they drop to a certain voltage?
[10:23] <SpeedEvil> yes
[10:23] <SpeedEvil> From memory
[10:23] <NigelMoby> Ahh ok that explains it
[10:24] <SpeedEvil> 4.2 100% 4.0 80% 3.4 30% 3 0%
[10:24] <NigelMoby> Also check this out .. looks like mine shrunk...
[10:25] <NigelMoby> http://twitpic.com/4onvzu
[10:25] <SpeedEvil> What did you do to it?
[10:25] <NigelMoby> They were identical before the test
[10:25] <cuddykid> a quick question, yesterday when I walked the payload (lol).. Fl digi stopped decoding after a few meters because the payload was cooling and therefore frequency shifting to right... is there a way to get fldigi to autotrack the frequency? It seems to do so for a tiny tiny shift but then stop!
[10:26] <NigelMoby> Just Gaffa taped it to the payload....
[10:26] <Darkside> cuddykid: if you have fldigi controlling a radio via hamlib, it shoudl be able to frequency track
[10:26] <Darkside> dunno how well it does it
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[10:27] <cuddykid> Hm, I'm guessing that would require extra cables between computer and radio.. I only have the audio cable running from radio to computer atm
[10:27] <Darkside> yeah
[10:27] <Laurenceb> Nigel: did you freeze it?
[10:27] <fsphil> cuddykid, was AFC clicked?
[10:27] <Darkside> cuddykid: as soon as the transmitter drifts outside the passband of your radio if will stop working of course
[10:27] <SpeedEvil> cuddykid: yeah - you need to setup rig control
[10:27] <cuddykid> fsphil: yeah
[10:28] <NigelMoby> No Laurence
[10:28] <fsphil> In that case, what Darkside said :)
[10:28] <NigelMoby> It was on the washing line .. max temp it got to was 26
[10:28] <NigelMoby> Min was 14
[10:28] <fsphil> also if there's a long pause between strings, the fldigi AFC is useless
[10:28] <cuddykid> ok, in future, I'll have to get someone to manually tune it
[10:28] <fsphil> it'll drift away between strings
[10:30] <NigelMoby> Wondering if its just where the Gaffa tape was very tight.
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[10:33] <SpeedEvil> The cells are not very rigidly constructed
[10:33] <SpeedEvil> any pressure can bend or warp them
[10:33] <NigelMoby> Ahh, you think its ok to charge or not risk it?
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[10:45] <SpeedEvil> Have you seen the videos on youtube?
[10:45] <SpeedEvil> Speaking personally, I'd avoid any cell that has dimensionally changed.
[10:46] <NigelMoby> Think that might be wise, I'm sure its just because the tape was very tight causing pressure on the casing but better safe than sorry
[10:47] <Laurenceb> aha
[10:47] <Laurenceb> http://media.peopleofwalmart.com/wp-content/uploads/2011/04/2646.jpg
[10:47] <Laurenceb> linux developer spotted
[10:47] <NigelMoby> Lol
[10:48] <NigelMoby> On the plus side looks like pico averaged .08v per hour
[10:55] modles1 (~Adium@host81-151-180-190.range81-151.btcentralplus.com) joined #highaltitude.
[10:56] <modles1> Hi all
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[10:59] <NigelMoby> Hi modles1
[11:05] <cuddykid> where do people get their balloons from? Steve Randall?
[11:05] <jonsowman> yup
[11:05] <jonsowman> http://randomsolutions.co.uk/Random_Engineering/Welcome.html
[11:05] <cuddykid> cool, need to order one soon :)
[11:06] <cuddykid> and the 1000g should do fine for a payload of ~ 1kg?
[11:06] <jonsowman> play around with this: http://www.srcf.ucam.org/~cuspaceflight/calc/
[11:06] <cuddykid> cheers
[11:06] <modles1> Is anyone looking for any electronics assistance with a launch? Planning on doing my own launch, but would be up for collaborating with someone else.
[11:08] <SpeedEvil1> Where are you modles1?
[11:09] <modles1> Norfolk
[11:12] <NigelMoby> Afternoon jonsowman
[11:13] <jonsowman> hi NigelMoby
[11:13] Nick change: SpeedEvil1 -> SpeedEvil
[11:13] <NigelMoby> Hey :) how's you today?
[11:23] <jonsowman> fine thank you, yourself?
[11:28] <fsphil> listening for aprs packets all morning and none received. lots of distant activity though, just too weak to decode
[11:31] NigeyS (~EcEnTiAl@cpc5-cdif13-2-0-cust232.5-1.cable.virginmedia.com) joined #highaltitude.
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[11:32] <NigeyS> jonsowman, good ta :D i put a vid up of picochu on the line if you want a giggle! lol
[11:33] <jonsowman> oh yea, let's have a look -- link?
[11:34] <NigeyS> http://www.youtube.com/watch?v=8Gb4DpWQ2pc
[11:35] <jonsowman> looks good :)
[11:36] <NigeyS> went well, lipo looks like it was damaged though :(
[11:36] <jonsowman> ah
[11:36] <jonsowman> not so good
[11:37] <NigeyS> i have a spare thats charged and flight ready but any testing now will have to be on AA's
[11:38] <jonsowman> fair enough :)
[11:39] <NigeyS> not much left, going to have a timer to turn the radio off every hour for 10 minutes, a cable to change, and thats about it .. all done !
[11:39] <jonsowman> :)
[11:40] <NigeyS> hopefully the 10 minutes will accumilate and give me an extra hour or so of battery life ..
[11:41] <cuddykid> NigeyS, when do you plan to launch?
[11:42] <NigeyS> early next week, not sure when the heliums being delivered due to the bank holiday, i assume tuesday ..
[11:42] <cuddykid> oh wow! If you launch next fri/sat/sun or mon I should be able to track!
[11:42] <cuddykid> should get decent signal as I'm not too far away
[11:42] <NigeyS> where abouts are you ?
[11:42] <cuddykid> worcester
[11:43] <NigeyS> ah great, this launch is a low altitude float attempt .. probably heading west out to sea but you might still get the signal
[11:44] <cuddykid> hopefully
[11:44] <cuddykid> !
[11:44] <NigeyS> :D if the thing ever takes off, have to watch my weight limit now, its getting close
[11:46] <fsphil> I've no weddings or birthdays next week, will have a listen :)
[11:46] <fsphil> though I'll be amazed if it floats this far :D
[11:46] <NigeyS> yey! lol
[11:46] <NigeyS> if it gets thatfar ill be very amazed
[11:47] <NigeyS> im wondering .. what effect a couple of fully inflated 17" balloons would have on the 4 larger balloons .. extra lift and burst then possible float or just extra lift then all burst .. really not sure what would happen
[11:47] <NigeyS> 18"*
[11:49] <fsphil> probably something like what happened james flight ... one bursts, and the extra weight drags the whole thing to the groun
[11:49] <fsphil> +d
[11:49] <jonsowman> that's not what you want really
[11:49] <jonsowman> because it's still near neutral buoyancy
[11:50] <jonsowman> and it might take off again when the sun comes out etc
[11:50] <NigeyS> hm thats a fair point jon
[11:50] <NigeyS> do i remember james saying the valves on these were a pain if you need to top up ?
[11:51] <jonsowman> and then hits someone's car... iirc
[11:51] <jonsowman> NigeyS: yep they're a nightmare
[11:51] <fsphil> very nearly
[11:51] <jonsowman> basically once you pull the fill tube out, that's it
[11:51] <jonsowman> getting it back in is impossible
[11:51] <jonsowman> or nearly so
[11:51] <fsphil> yea they've a self-adhesive thing
[11:51] <jonsowman> they are designed to be self sealing
[11:51] <NigeyS> right .. so i guess my best way to tell the right lift is a weight on the balloon somehow
[11:52] <jonsowman> yep
[11:52] <jonsowman> also you want all balloons filled the same ideally
[11:52] <NigeyS> yup, i am going to trust the qualatex specs and go with 66gm lift
[11:52] <NigeyS> so a weight of approx 33 grams
[11:53] <fsphil> set a heavy weight, filler pipe and balloon on some scales
[11:53] <fsphil> zero the scales
[11:53] <fsphil> then inflate until wanted lift?
[11:53] <NigeyS> per balloon phil or total weight for all 4 ?
[11:53] <fsphil> per balloon I'd say
[11:54] <jonsowman> agree
[11:54] <NigeyS> would be a better chance of getting equal weight that way i think
[11:54] <NigeyS> im very dubious of the qualatex specs mind
[11:54] <NigeyS> 66gm per balloon .. i just cant see it
[11:56] <NigeyS> just read a big caution on the balloon "may conduct electricity, do not inflate outdoors" :|
[11:56] <jonsowman> hehe
[11:56] <NigeyS> theyre actually alot bigger than i thought
[11:56] <jonsowman> "do not inflate under electricity supply lines" would be a more sensible warning I would've though
[11:56] <jonsowman> t
[11:57] <NigeyS> lol yes, i have checked the rea for pylons, and found 3 DTV masts :|
[11:57] <NigeyS> actually phil spotted them but meh .. if the winds going the right way they should not pose a problem
[11:59] <jonsowman> :)
[12:07] Lunar_Lander (~lunar_lan@p54882816.dip.t-dialin.net) joined #highaltitude.
[12:07] <Lunar_Lander> hello
[12:08] <Lunar_Lander> hi fsphil NigeyS Upu SpeedEvil jonsowman priyesh natrium42 Laurenceb_
[12:08] <jonsowman> hi Lunar_Lander
[12:09] <Lunar_Lander> Happy easter!
[12:10] <SpeedEvil> hey
[12:10] <jonsowman> you too :)
[12:10] <Lunar_Lander> thanks :)
[12:10] <cuddykid> hi Lunar!
[12:11] <Lunar_Lander> hi cuddykid
[12:15] <Lunar_Lander> I got one for you all
[12:15] <Lunar_Lander> "A bus with ten people stops at a bus stop. Eleven People exit the bus. Three scientists comment on it. A Biologist says: "They must have bred on the drive." A Phyisicist says: "Well, you always have to have 10% measurement error tolerance." Finally, a Mathematician says: "If now someone gets on the bus, no one will be inside.""
[12:27] <fsphil> g'day Lunar_Lander
[12:27] <Lunar_Lander> hello
[12:27] <Lunar_Lander> happy easter
[12:28] Action: fsphil has had a cream egg so far
[12:28] <Lunar_Lander> cool
[12:29] <Lunar_Lander> http://2.bp.blogspot.com/_OAEtC4x0Dls/TSPtVoYSGwI/AAAAAAAACyY/bYVMya_nbmY/s1600/imaginary+friend.jpg
[12:30] <fsphil> lol
[12:31] <fsphil> imaginary numbers are a strange concept
[12:31] <fsphil> They're not really that imaginary
[12:31] <Laurenceb> http://www.aliexpress.com/product-fm/430199498-i68-4G-WiFi-i9-4G-mobile-phone-3-2-Unlock-Cell-phone-drop-shipping-supported--wholesalers.html
[12:31] <Laurenceb> this looks legit
[12:32] <cuddykid> lol
[12:32] <Laurenceb> guess itd be useful for hacking parts
[12:33] <Lunar_Lander> http://www.bigfatass.de/bfa/wp-content/uploads/2008/02/be-rational-get-real.gif
[12:52] <Laurenceb> http://www.aliexpress.com/product-fm/341987018-Freeshipping-Cheap-Pocket-LED-portable-projector-home-cinema-mini-projector-micro-projector-wholesalers.html
[12:52] <Laurenceb> looks interesting... if its real
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[13:29] <SpeedEvil> Oooh.
[13:29] <SpeedEvil> The MAG3110 is 0.85mm thick
[13:29] <SpeedEvil> This makes a SD card magnetometer plausible
[13:29] <SpeedEvil> Well - not a proper SD card
[13:30] <SpeedEvil> But a I2C bitbanged card in the shape of a SD
[13:30] <Lunar_Lander> a magnetometer
[13:30] <Lunar_Lander> as in "compass"
[13:30] <SpeedEvil> yeah
[13:30] Last message repeated 1 time(s).
[13:30] <Lunar_Lander> or in real magnetometer
[13:30] <Lunar_Lander> ajh
[13:30] <Lunar_Lander> -j
[13:31] <SpeedEvil> Well - they are surprisingly sensitrive
[13:31] <SpeedEvil> Noise of 50 nanotesla
[13:32] <W0OTM> iHAB-4 Flight Status updated: http://www.ihabproject.com/iHAB-4/
[13:33] <Lunar_Lander> cool!
[13:36] <cuddykid> very slick W0OTM!
[13:36] <cuddykid> right.. going to test cannon a570
[13:36] <W0OTM> cuddykid: slick?
[13:36] <cuddykid> like, neat/professional!
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[13:38] <W0OTM> cuddykid: oh thanks
[13:39] <Lunar_Lander> cuddykid guns are not allowed on a HAB
[13:39] <Lunar_Lander> :D
[13:39] <fsphil> lol
[13:39] <cuddykid> lol
[13:39] <cuddykid> *canon ;)
[13:40] <fsphil> now I'd be impressed if someone had a cannon on their hab flight
[13:40] <Lunar_Lander> xD
[13:40] <cuddykid> haha
[13:44] <cuddykid> currently I have the camera programmed to take photos for about 180 mins.. will this be enough?
[13:46] <Upu> depends how fast you go up and come down :)
[13:48] <cuddykid> hmm.. I'll try and take some more, just in case then
[13:57] <fsphil> why not just keeping going until card full / flat battery?
[13:57] Action: Upu votes for fsphil's method
[13:59] <SpeedEvil> Me too
[14:08] <Laurenceb> oh sweet
[14:08] <Laurenceb> freescale magno nice
[14:11] <Laurenceb> not as fast as the hmc5883L tho, and not avaliable yet
[14:12] <cuddykid> will do that fsphil
[14:12] <cuddykid> just started it going
[14:12] <Laurenceb> pity the kionix magno isnt avaliable to mere mortals
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[14:29] <Laurenceb> i wish honeywell had proper noise data in the hmc5883 datasheet
[14:30] <Laurenceb> with the exception of 80 hz max data rate rather than 160hz i think mag3110 is actually better - smaller, lower current, poss lower noise
[14:32] jcoxon (~jcoxon@cpc1-lanc4-0-0-cust720.3-3.cable.virginmedia.com) joined #highaltitude.
[14:32] <jcoxon> morning
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[14:44] <SpeedEvil> fsphil: Are you aware of early cannon HA research?
[15:02] <NigeyS> hey jcoxon
[15:04] <Lunar_Lander> SpeedEvil you mean HARP
[15:04] <Lunar_Lander> ?
[15:06] <Laurenceb> interesting http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MMA9550L
[15:09] <russss> fancy
[15:09] <Laurenceb> actually its useless
[15:09] <Laurenceb> dead reckoning is just a pedometer
[15:10] <russss> looks like it's designed for consumer electronics stuff
[15:15] <Lunar_Lander> also it looks like you have to plug sensors to it
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[15:24] <SpeedEvil> Pedometer is interestingthouhg.
[15:24] <SpeedEvil> If you assume that the user is a pedo, you get a known zero each step
[15:24] <SpeedEvil> Especially if you also know facing
[15:24] <SpeedEvil> err - pedestrian
[15:25] <SpeedEvil> I was thinking of this for cat-tracking
[15:25] <SpeedEvil> mag + accel gives reasonable results, as you can desaturate some of the errors every foot-fall.
[15:33] <jcoxon> oh dears: http://www.sparkfun.com/
[15:33] <NigeyS> uhoh
[15:33] <SpeedEvil> Oh noes!
[15:34] Action: Laurenceb looks at stilldavid
[15:35] <Laurenceb> the british pdeo-f-isles
[15:35] <stilldavid> shit
[15:35] <fsphil> wasn't me this time
[15:35] <jcoxon> fsphil!
[15:36] <fsphil> I wasn't even in that part of the internet
[15:36] <jcoxon> you reach far internetz breaker
[15:36] <NigeyS> i think you fib, you broked the interweb!
[15:36] <Laurenceb> http://www.youtube.com/watch?v=dRZo8CHsgp8
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[15:37] <stilldavid> back
[15:37] <stilldavid> wtf.
[15:37] <NigeyS> lol ello stilldavid
[15:38] <jcoxon> hooray
[15:38] <jcoxon> stilldavid, did you pull a large leaver to get it back online?
[15:38] <stilldavid> kicking servers still, hold
[15:45] <stilldavid> ugh. so our main web server randomly rebooted about an hour ago
[15:45] <stilldavid> that's terrifying
[15:52] <stilldavid> anyway, thanks for the heads up.
[15:55] <jcoxon> np
[15:55] <NigeyS> James what's the link for the logs ?
[15:56] <jcoxon> http://habhub.org//zeusbot/
[15:56] <NigeyS> cheers
[16:00] <cuddykid> time to take the payload for a walk!
[16:02] <NigeyS> dont forget to put it on a lead ;)
[16:04] <cuddykid> lol
[16:04] <cuddykid> hopefully the frequency will stay roughly the same this time. Its in its box this time lol
[16:05] <fsphil> you should set it outside for a few minutes before going on the walk
[16:07] <Zuph> Morning, #highaltitude
[16:09] <Lunar_Lander> hello Zuph
[16:09] <Lunar_Lander> bbl
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[16:11] <cuddykid> fsphil, done exactly that! right off for the walk! bbl
[16:14] <NigeyS> hey Zuph
[16:14] <NigeyS> have fun cuddykid
[16:16] <russss> I have to say I quite like this excellent weather combined with ideal ISS passes
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[16:28] <NigeyS> jcoxon, cant find the total weight from pico2 .. iirc you used all 4 balloons anyway ?
[16:40] <cuddykid> back, glad it worked!! 1 step closed to high altitude
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[16:43] <cuddykid> camera also seems to have stopped taking photos
[16:43] <jcoxon> NigeyS, yes
[16:43] <NigeyS> okies, cheers :D
[16:44] <W0OTM> iHAB communications trailer. #arhab #amateurradio #hamradio http://t.co/aoY3Rf2
[16:46] <fsphil> sweet
[16:47] <NigeyS> now that is nice!
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[17:09] <hibby> want one of them :)
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[17:09] Nick change: andrew_apex_ -> andrew_apex
[17:12] <NigeyS> hey hibby
[17:15] <fsphil> woo, transmitting on 869.5 mhz :) massive frequency drift, and way too much shift at the moment...
[17:16] <fsphil> ooch -- vreg getting toasty
[17:16] <NigeyS> uhoh
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[17:19] <fsphil> better put the 10% duty on there .. should keep it cool
[17:20] <NigeyS> liquid nitrogen and 100% duty phil :P
[17:21] <fsphil> nah, gotta stay on the right side of ofcom :)
[17:32] <hibby> they don't operate i
[17:32] <hibby> n scotland... we don't care :p
[17:35] <hibby> well, i say that because the jamming on our repeaters is pretty much rampant and unpunished as they don't have the resources up here to deal with it
[17:36] Action: hibby returns to the background as mrs hibby looks hungry
[17:38] SamSilver (29301b03@gateway/web/freenode/ip.41.48.27.3) joined #highaltitude.
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[17:41] <SamSilver> https://www.ledato.de/shop_content.php?coID=14&language=en
[17:42] <SamSilver> if you not sure what to get me for my birthday, one or two of the above would make me a happy chappie!
[17:45] <Laurenceb> ooh rs485, yummy
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[17:48] <SamSilver> I think mattltm has one similar to that
[17:49] <SamSilver> just call me speedy
[17:54] <cuddykid> time lapse video created with the hacked a570!
[17:56] <SamSilver> linky
[17:58] <fsphil> someone playing with the payload xmls?
[18:00] <SamSilver> looks like a tornado hit it
[18:00] <cuddykid> samsilver: link is on its way.. just uploading to youtube currently, says 13mins left! :S
[18:00] <SamSilver> kewl, what is the subject? clouds is a fav
[18:01] <cuddykid> the garden, with clouds lol
[18:01] <jcoxon> fsphil, i briefly tried to edit picochu-1.xml but jon has permission locked it
[18:01] <cuddykid> you see me with the payload about 1/2 way through!
[18:01] <fsphil> aah, no worries. it revealed a bug in that last change I made - fix it but when I went back to see what payload caused it, all was working :)
[18:02] <fsphil> fixed*
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[18:06] <SamSilver> mattltm how was the zoo?
[18:07] <SamSilver> mattltm do you have one like this? https://www.ledato.de/shop_content.php?coID=14&language=en
[18:07] <mattltm> Great. I love Whipsnade :0
[18:07] <mattltm> Ohh very nice.
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[18:14] <mattltm> Strange
[18:15] <fsphil> 10% duty, things are running much cooler
[18:15] <mattltm> hey fsphil :)
[18:15] <fsphil> g'day mattltm !
[18:15] <NigeyS> meh bl**dy women
[18:15] <NigeyS> hey matt
[18:16] <mattltm> lol Hi NigeyS
[18:16] <cuddykid> SamSilver: http://www.youtube.com/watch?v=-xWRahShN34
[18:17] <cuddykid> poor quality because otherwise it would have been well over 1GB!
[18:18] <fsphil> nice garden
[18:18] <mattltm> And cool strimmer.
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[18:18] <SamSilver> thanx cuddykid will have a look see
[18:18] <cuddykid> lol
[18:19] <mattltm_> Agh!
[18:19] <cuddykid> thanks fsphil
[18:19] <mattltm> Ohh!
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[18:19] <mattltm_> Some strange things going on here!
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[18:20] <NigeyS> lol
[18:21] <SamSilver> mattltm you got ants in your pants?
[18:21] <mattltm> Lools like it!
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[18:24] <SamSilver> mattltm does your arm have rs485
[18:24] <mattltm> No but it has fingers :)
[18:24] <mattltm> I use an Arduino
[18:25] <SamSilver> O
[18:28] <mattltm> fsphil: You arround next Friday?
[18:29] <modles1> Evening. Great to see such a busy room on this stuff. Does anyone here have experience with the Bosch BMP085 baro sensor, i cant seem to get any sensible data out of it
[18:29] <SamSilver> suck dont blow
[18:30] <fsphil> mattltm, should be
[18:31] <mattltm> Fancy a HF chat?
[18:31] <mattltm> Im going to be in Cardif
[18:31] <NigeyS> ze land of sheeps!
[18:31] <NigeyS> modles1, http://wiring.org.co/learning/libraries/bmp085.html
[18:32] <mattltm> Was thinking of taking the 857 and some bits of wire.
[18:32] <NigeyS> might have some useful info
[18:32] <NigeyS> feel free to leave the 857 here ;)
[18:32] <modles1> NigeyS: thanks ill have a look, this sensor seems to rely on the micro doing all the work
[18:32] <mattltm> NigeyS: Ermm. No.
[18:32] <fsphil> mattltm, ooh definitly. will need to travel away from the house though -- too much noise here
[18:32] <mattltm> Cool. Be around mid afternood.
[18:33] <modles1> that seems like an awful lot of work to get to true pressue
[18:33] <NigeyS> mattltm, dam you! lol
[18:33] <modles1> the Bosch engineers must have been feeling lazy that day
[18:34] <mattltm> NigeyS: If it turns out it is your radio that has a problem, I will leave you my 9600 to use :)
[18:34] <NigeyS> oooo
[18:34] <NigeyS> do you want to take my 790 and throw it off the severn bridge on ure way back? :D
[18:35] <mattltm> Lol - No but if it does have an issue, I can get it fixed for you :)
[18:35] <fsphil> just don't mix up the 790's :p
[18:35] <NigeyS> oh that would be handy
[18:35] <NigeyS> dam my plan is foiled!
[18:35] <mattltm> lol. Ermm wouldn't dream of it fsphil :)
[18:36] <fsphil> woo -- tx'ing and receiving 869.5 mhz telemetry
[18:36] <NigeyS> schweet
[18:36] <NigeyS> mattltm, remind me on wednesday to pick up some stripboard and vregs
[18:36] <fsphil> loosing the first 3 or 4 characters.. need to switch on a few microseconds earlier
[18:36] <mattltm> Well, I'll bring the 857, the 9600, a 70cm yagi and some wire HF antennas
[18:37] <fsphil> I'll need to try my tuner /P
[18:37] <modles1> Im presuming using 900mhz telem is out of the question in the UK?
[18:38] <fsphil> not sure about 900,, but 869mhz is fine but limited to 6 minutes transmit time in an hour
[18:38] <SamSilver> bbl
[18:38] <modles1> its just I have some 900mhz xbees lying about, would be good if i could use them
[18:38] <fsphil> but to be honest, I'll probably stick with 434mhz -- this is just a bit of an experiment to see how far the signal can be received
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[18:39] <modles1> although actually i have a pair of these too http://www.sparkfun.com/products/155
[18:40] <mattltm> fsphil: will you be flying 869mhz?
[18:40] <modles1> would that be better, my long range RF knowledge is pretty poor. Im used to closer range UAVs
[18:40] <fsphil> mattltm, indeed -- not hadie:3, but probably the one after -- within the next month
[18:40] <mattltm> Cool, I'll knock up a yagi. USB?
[18:40] <fsphil> modles1, you'd struggle to get much range out of that
[18:41] <fsphil> mattltm, yep -- I'm trying to get it to have the same shift and setup as the 434mhz one uses
[18:41] <modles1> fsphil: which, the 433?
[18:41] <fsphil> modles1, yea -- 9600 baud is pretty fast, and would need more than 10mw of power to get it any distance
[18:41] <fsphil> 300 baud has been used, 50 baud is more common
[18:41] <modles1> 50!
[18:42] <modles1> blimey
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[18:42] <fsphil> yep :) but with that (50 baud, and an amateur radio receiver) the distance can be over 500km
[18:42] <modles1> nice
[18:42] <fsphil> mattltm, you'll have to show me the antenna -- I need to make one myself
[18:42] <modles1> these are the 900hz i have http://www.sparkfun.com/products/9099
[18:43] <fsphil> I suspect those are not legal in the uk
[18:43] <fsphil> there was some 900mhz wifi stuff in the early days that people used to use, but totally not allowed :)
[18:43] <modles1> no, thats why I asked
[18:44] <fsphil> bah, google and their long urls
[18:45] <modles1> the only 434mhz i have is http://www.sparkfun.com/products/8946
[18:45] <modles1> i expect a bit woeful
[18:46] <fsphil> modles1, the document listing all the allowed frequencies and power levels is called IR2030final -- google for it, it's a pdf
[18:46] <fsphil> I can't copy the link for some reason
[18:46] <modles1> thanks
[18:46] <fsphil> but the most common radio module used here is the NTX2
[18:46] <fsphil> from radiometrix
[18:47] <modles1> oh yeah i know it
[18:47] <fsphil> the flaw is that it does need a certain kind of amateur radio receiver, which can be quite expensive
[18:49] <modles1> hmm, dont like the sound of that!
[18:49] <fsphil> well they're between £70-£100 on ebay
[18:50] <modles1> oh not so bad
[18:50] <modles1> and do they output the serial too?
[18:50] <fsphil> they output audio only, but you'd then use a bit of software to decode it
[18:51] <fsphil> there's a short guide here: http://ukhas.org.uk/guides:tracking_guide
[18:51] <modles1> thanks, sorry i should have found that myself
[18:51] <modles1> and that is far preferable to a digital solution?
[18:52] <fsphil> it'll certainly work well over a good distance
[18:52] <Laurenceb> theres funcube dongle if you can get one
[18:53] <modles1> i guess a digital solution would either work or it wont, whereas analog gives you a chance to decode broken data
[18:53] <fsphil> though the funcube dongle is untested
[18:53] <Laurenceb> well its digital
[18:53] <Laurenceb> we are sending digital data
[18:53] <modles1> yes but i thought you said it was an analalogue receiver
[18:54] <Laurenceb> true
[18:54] <Laurenceb> but everything is analogue
[18:54] <modles1> :)
[18:54] <Laurenceb> it just depends where you digitise it
[18:54] <fsphil> all receivers are analogue, but there'll be a point where the digital data is recovered from the analogue signal
[18:54] <fsphil> for this your computer will do the decoding
[18:54] <modles1> like any sensor really
[18:54] <Laurenceb> if you want to avoid using a sound card, funcube dongle, or this device i made a while back - http://ukhas.org.uk/guides:chipcon_cc1020_software_define_radio
[18:55] <Laurenceb> funcube dongle has been tested over a few tens of km iirc
[18:55] <modles1> wow i dont think much of his packaging http://www.youtube.com/watch?v=yaq0QwybFIQ
[18:56] <modles1> look at the state of that soldering! eeek.
[18:56] <fsphil> that's a prototype
[18:56] <fsphil> that all look that bad :)
[18:56] <modles1> mine dont :)
[18:56] <mattltm> <modles1> look at the state of that soldering! eeek. NigeyS?
[18:57] <fsphil> lol
[18:57] <NigeyS> werent me.. honest..lol
[18:57] <mattltm> lol.
[18:57] <modles1> :) obviously not taking anything away from the device!
[18:57] <fsphil> nice devices but they are easily overloaded if there's any nearby strong signals
[18:58] <fsphil> a proper receiver will be much better
[18:58] <Laurenceb> im not convinced that its filtering out 2F, 3F etc correctly
[18:58] <Laurenceb> due to harmonics in the LO
[18:58] <modles1> haha i love the soundtrack http://www.youtube.com/watch?v=NJ12cG1bCqI&feature=related
[18:58] <Laurenceb> if you read the datasheet for any of the DVBT receivers it suggests a SAW filter on the front
[19:01] <modles1> do those audio to serial encoders behave like a virtual com port?
[19:02] <Laurenceb> audio to serial?
[19:02] <Laurenceb> i thing funcube uses special usb drivers
[19:02] <Laurenceb> personally ive been using http://parts.digikey.com/1/parts/1258741-module-eval-cc1020-433mhz-cc1020emk-433.html
[19:03] <modles1> sorry wrong terminology, i mean the software that decodes the audio
[19:03] <fsphil> the software we normally use is called dl-fldigi
[19:03] <fsphil> you won't get that in hardware
[19:05] <modles1> right i see, so its more than just decoding the serial data
[19:05] <modles1> im just looking for the raw data, I would rather handle it myself
[19:06] <russss> well, fldigi is the software which decodes the data
[19:06] <modles1> oh "planned features"
[19:06] <russss> dl-fldigi is a patched version of fldigi which sends it to the ukhas server
[19:09] <mattltm> <rant mode on> So I have to pay £30 per hour for a security gard, then I have to explain how to turn of a building alarm using an rfid tag in pidgon english and now I have to go up to the building because it is quicker for me to go and do it myself than it is to explain "hold the fob up to the alarm panel"!<rant mode off>
[19:09] <mattltm> Sorry :(
[19:10] <Laurenceb> lol where do you work?
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[19:10] Nick change: BrainDamage1 -> BrainDamage
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[19:12] <mattltm> Laurenceb: Im an FM for mutiple sites.
[19:13] <mattltm> One of which is an atracive camping site...
[19:13] <mattltm> So we have extra security because of this...
[19:13] <mattltm> http://www.theenquirer.co.uk/Basildon+councillors+approve+%C2%A38million+Traveller+eviction%20id=4659
[19:19] <Laurenceb> FM ?
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[19:24] <mattltm> Facilities Manager.
[19:24] <mattltm> I look after the sites and staff.
[19:24] <mattltm> And inept security too :)
[19:24] <Laurenceb> ah
[19:26] <mattltm> Good news is that I have just found out we can buy a maker bot for the hackspace :)
[19:26] <mattltm> Yay!
[19:26] <mattltm> Who wants a custom payload case?
[19:26] <modles1> I have a cnc for sale
[19:27] <mattltm> Ohhh. Tempting but its not my money :(
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[19:34] <fsphil> maker bot? what's the material it uses?
[19:34] <modles1> extruded abs isnt it?
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[19:40] <mattltm> Yup. good old abs :)
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[19:44] <NigeyS> lalala sundays are boring
[19:45] <mattltm> Not if you can get on 2M and there is a lift on. I just worked a station in belgum :)
[19:45] Action: fsphil rushes to the radio ...
[19:45] <fsphil> no wait .. I didn't
[19:45] <mattltm> lol.
[19:46] <mattltm> Not much point for you fsphil :p
[19:46] Action: fsphil has a listen anyway, just cause
[19:46] <mattltm> lol. There is always hope :)
[19:47] <NigeyS> lol aww
[19:47] <fsphil> ssb?
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[19:47] <mattltm> yup.
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[20:16] <SpeedEvil> http://www.dealextreme.com/p/b-828-rechargeable-3w-400-470mhz-16-channel-walkie-talkies-with-led-flashlight-65186
[20:16] <SpeedEvil> I wonder ifthis is legal anywhere in the world
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[20:25] <Lunar_Lander> hello and happy easter!
[20:26] <SpeedEvil> I don't believe in Zombies.
[20:26] <modles1> :)
[20:26] <modles1> not even Bunny Zombies?
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[20:40] <fsphil> lol
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[20:42] <Lunar_Lander> btw
[20:42] <Lunar_Lander> did anybody of you watch that BBC Gameshow "Don't Scare The Hare"?
[20:43] <modles1> not I
[20:44] <Lunar_Lander> yeah
[20:44] <Lunar_Lander> it looks awful
[20:44] <modles1> I'm currently watching The Road. fuck me its depressing
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[21:26] <Laurenceb> hah i saw half of that
[21:26] <Laurenceb> turned it off as too depressing
[21:27] <modles1> well thankfully im playing with a gsm module at the same time, so have some distraction
[21:27] Action: Laurenceb gets back to trying to fix exploding thermal diffusion simcode
[21:27] <Laurenceb> as in everything goes to Inf after 0.1milliseconds
[21:28] <BrainDamage> when it's just the code exploding it's boring
[21:28] <BrainDamage> hook it up to an actual thermal controller and have the oven explode
[21:29] <Lunar_Lander> why is it so depressing?
[21:29] <Laurenceb> maybe the code is correct and the setup will actually destroy the universe
[21:30] <Laurenceb> Lunar_Lander: lots of people killing their family etc
[21:30] <Lunar_Lander> ohh!
[21:30] <Lunar_Lander> :(
[21:31] <Laurenceb> very well filmed tho
[21:31] <fsphil> Now Outcasts ... that's a depressing tv show
[21:36] <modles1> and terrible
[21:36] <modles1> was really disappointed by that (Outcasts)
[21:37] <fsphil> yea, esp. as it replaced Survivors -- which was getting fairly good
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[21:37] <modles1> that was ITV wasnt it?
[21:37] <modles1> i liked that
[21:37] <fsphil> bbc
[21:37] <modles1> ah yeah
[21:38] <fsphil> hasn't been a good genre show on itv for years
[21:38] <fsphil> or a good show even :)
[21:38] <modles1> has there ever?
[21:39] <modles1> Poirot i guess
[21:39] <fsphil> they showed seaquest years ago, I liked that one :)
[21:43] <modles1> what was the deep sea one they did not long ago (bbc)
[21:43] <modles1> i never did see that
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[21:54] <fsphil> nah it was a sci-fi show from the 90s
[21:54] <fsphil> from the states
[22:04] <Lunar_Lander> yeah
[22:04] <Lunar_Lander> Sea Quest DSV
[22:04] <Lunar_Lander> :P
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[22:04] <modles2> i was thinking of 'The Deep'
[22:05] <modles2> the one with mini driver and that nesbit fella
[22:05] <fsphil> missed that
[22:06] <modles2> has anyone here used a TTL interface camera to transmit images?
[22:06] <modles2> pretty sure I'm going to need a higher baud rate than 50bps for it to be workable
[22:07] <fsphil> I've done it at 300 baud.. still a bit slow though
[22:07] <fsphil> about 5 minutes for 320x240
[22:07] <modles2> is 300 the fastest you would go?
[22:08] <fsphil> for the moment, faster rates are not well tested
[22:08] <fsphil> but 1200 baud should be possible with good sized antennas on the ground
[22:10] <modles2> if only this was legal :) http://www.sparkfun.com/products/9411
[22:10] <fsphil> 2.4ghz video is fine, but you'd need a heck of a dish
[22:10] <BrainDamage> well, you could get away with directive antenna
[22:10] <mattltm> fsphil: That sounds like a challange :p
[22:10] <BrainDamage> problem is when your source is moving :p
[22:10] <fsphil> lol mattltm
[22:11] <modles2> i prefer the idea of images being delivered
[22:11] <mattltm> BrainDamage: I am working on an automatic HAB tracking antenna mount :)
[22:11] <modles2> more of an 'event'
[22:12] <BrainDamage> sounds like a royal PITA
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[22:12] <fsphil> modles2, some pictures taken with a jpeg camera: http://www.flickr.com/photos/fsphil/sets/72157624515320914/
[22:13] <modles2> not exactly a 5d mk2 :)
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[22:17] <fsphil> well,, if you squint your eyes...
[22:18] <fsphil> this was my fav though: http://www.flickr.com/photos/fsphil/4526373286/in/set-72157623870036944
[22:18] <fsphil> shame it cut out
[22:18] <modles2> yeah, looking good
[22:19] <fsphil> will be flying another one soon (definition of soon may vary)
[22:21] <modles2> hmmm i wonder, perhaps i could lift my ardupilot UAV, and get it to fly home. a little ambitious perhaps!
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[22:22] <W0OTM> I got a new video:) http://www.youtube.com/watch?v=n51vKNDXwik
[22:23] <modles2> echooooooooooo
[22:23] <modles2> ah was youtube being silly
[22:24] <jonsowman> nope#.
[22:24] <jonsowman> oops.
[22:24] <jonsowman> silly ssh
[22:24] <mattltm> W0OTM: Nice!
[22:24] <mattltm> When can I pick mine up?
[22:25] <fsphil> buffering...
[22:26] <modles2> W0OTM: ah just seen your post http://www.rcgroups.com/forums/showthread.php?t=1403565
[22:26] <modles2> W0OTM: i was thinking of trying the same thing
[22:26] <W0OTM> modles2: we plan to begin tests flights this summer
[22:27] <modles2> Ardupilot?
[22:28] <W0OTM> modles2: yes
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[22:30] <modles2> glider or powered?
[22:34] <W0OTM> glider
[22:34] <modles2> rudder / elevator ?
[22:36] <Lunar_Lander> high altitude glider?
[22:37] <modles2> I would just drop it from parachute at about 10,000ft
[22:41] <W0OTM> 3 channel
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[22:47] <modles2> ive just ordered one of these. not for balloon purposes though
[22:47] <modles2> http://www.nitroplanes.com/projet-003-rq11.html
[22:58] <W0OTM> UAV in the US is still illegal above 400ft
[23:01] <SpeedEvil> W0OTM: So turn on altitude follow mode = hard.
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[00:00] --- Mon Apr 25 2011