highaltitude.log.20110828

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[00:03] <Lunar_Lander> wb fsphil
[00:03] <Lunar_Lander> how are you today?
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[00:32] <Lunar_Lander> hi nickolai89 natrium42
[00:33] <Zuph_> Evening Lunar_Lander
[00:34] <Lunar_Lander> hi Zuph_
[00:34] <Lunar_Lander> how are you?
[00:34] <Zuph_> Doing well, how are things on that side of the Atlantic?
[00:34] <Zuph_> Thankfully was able to get off the east coast before it got pummeled by Irene.
[00:41] <Lunar_Lander> yeah
[00:42] <Lunar_Lander> I'm fine thanks
[00:42] <Lunar_Lander> I hope I can start to solder some things next week
[00:47] <Lunar_Lander> and how is the state of SpeedBall?
[00:49] <Lunar_Lander> Zuph_
[00:51] <Zuph_> Holding steady :-p
[00:52] <Lunar_Lander> :)
[00:52] <Lunar_Lander> I really do want to fly soon
[00:52] <Lunar_Lander> but that only works if the payload works
[00:53] <Zuph_> Yep!
[00:54] <Lunar_Lander> :)
[00:54] <Lunar_Lander> at least I got the transmitter to talk predefined sentences
[00:54] <Lunar_Lander> thanks to Upu's tutorial
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[01:00] <Lunar_Lander> :)
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[01:05] <Lunar_Lander> Zuph_ : recently someone showed me an interesting article about a geiger counter substitute
[01:05] <Lunar_Lander> a photocell was used to capture gamma rays
[01:09] <Zuph_> Huh, neat
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[01:14] <Lunar_Lander> yeah
[01:14] <Lunar_Lander> :)
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[01:15] <Lunar_Lander> it was an interesting solution
[01:15] <Lunar_Lander> there is a paper/PowerPoint from a Turkish university about it
[01:16] <Lunar_Lander> but they had to construct a considerable circuit around it to solve some signal issues
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[01:42] <Lunar_Lander> and what are you up to at the moment Zuph_?
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[01:55] <Lunar_Lander> hi juxta
[01:56] <juxta> morning Lunar_Lander
[02:03] <Lunar_Lander> how are you?
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[02:26] <Lunar_Lander> good night
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[03:51] <griffonbot> @LVL1WhiteStar: Bernheim Connect balloon for LOLshield in the sky #arhab #UKHAS of @LVL1HackerSpace http://t.co/tiUqOTW [http://twitter.com/LVL1WhiteStar/status/107661454349570048]
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[06:26] <m1x10> Hi
[06:27] <SamSilver_> m1x10: morning
[06:28] <earthshine> morning
[06:38] <m1x10> what is this ?
[06:38] <m1x10> http://www.youtube.com/watch?v=foXuw6HEkG4&feature=player_embedded
[06:38] <m1x10> Hi SamSilver ! How are my monkeys?
[06:38] <m1x10> :)
[06:44] <SamSilver_> monkeys are naughty, comming in the house and taking fruit
[06:56] <m1x10> thats fun :)
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[07:31] <SamSilver_> morning daveake_
[07:31] <daveake_> morning :)
[07:32] <SamSilver_> Was this you? http://www.youtube.com/watch?v=foXuw6HEkG4&feature=player_embedded
[07:33] <daveake_> Nope! I'm in the UK so completely innocent :)
[07:36] <daveake_> Have you seen about RocketBoy's launches yesterday?
[07:40] <mattltm> Hi all :)
[07:40] <number10> daveake_ are there any details of the launch online
[07:40] <number10> Hi mattltm
[07:41] <daveake_> http://ukhas.org.uk/general:uk_records
[07:41] <number10> ta
[07:41] <daveake_> That's all AFAIK
[07:41] <mattltm> Morning number10 :)
[07:42] <daveake_> I helped track, for the first time :)
[07:42] <number10> I thought I would track mobile
[07:43] <number10> dont know why but fldigi would not decode
[07:43] <daveake_> Impressive altitude for a 600g balloon
[07:44] <number10> once the balloons had burst I decided to restart fldigi and all started decoding - but too late by then batter was gon in laptop and inverter was not high enough capacity.
[07:44] <number10> thats good for 600g (not that I am an expert) I presume just the processor and NTX2
[07:45] <daveake_> I much prefer using a DC-DC adapter for laptop in a car. I've used 240V inverters before and they can struggle
[07:45] <daveake_> Payloads were 200g including chute and lines
[07:47] <daveake_> I was going to use a 1600g Hwoyee for my altitude attempt, but maybe a 1000g would be enough to get up to 40km or so
[07:47] <number10> when are you going to try that daveake_
[07:48] <daveake_> Not sure exactly, but I have an application in for 17th September and some weekends after
[07:49] <daveake_> I'm preparing a camera payload too. One payload will go up locally using that application, and the other probably from Cambs
[07:50] <Upu> daveake_ it was an 800g balloon
[07:50] <Upu> morning
[07:50] <daveake_> Ah, thanks.
[07:50] <daveake_> morning
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[07:57] <m1x10> I just figure out my canon's A480 lens fail
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[08:04] <number10> Upu do you know if fldigi can be a little temperamental when decodeing. yesterday I had PC indoors connected to net then took out to decode Xaben flights - was receiving OK but would not decode - eventually I just restarted the app and it worked fine
[08:04] <Upu> not noticed that but yoy may need to adjust the shift manually someties
[08:04] <Upu> times
[08:05] <number10> the red verticle lines were spot on the receive in the waterfall - anyway - no problems if I get the same prob I will just restart
[08:05] <Upu> I think someone else was having issue with the shift on Xaben1 yesterday, mine seemed to be decoding fine at 425 but in the end I reduced it to about 405
[08:06] <Upu> if they are red you ca probably reduce the input volume a little
[08:06] <Upu> god my typing this morning
[08:06] <number10> not as bad as mine so dont worry
[08:12] <RocketBoy> yo all - a few people reported the signal on XABEN1 as weaker yesterday - anyone have a clue just how noticeable it was (dB ?)
[08:13] <number10> Upu - I am replaying the sound file and it seems that I did need to adjust the shift - 405 works - I was - my excuse was that it was too dificult to do this and drive ;)
[08:13] <daveake_> Sorry, didn't notice the dB difference. I have a recoring from ben1 but not ben0
[08:14] <Hibby> just heading to bed
[08:14] <Upu> night Hibby :)
[08:14] <Hibby> on Dan's sofa
[08:14] <Hibby> :)
[08:14] <Upu> Morning RocketBoy
[08:14] <RocketBoy> mornin
[08:14] <Upu> whats a good S/N in DL-FLDigi for these launches ?
[08:15] <Upu> As I wasn't getting weak signals here, decoded fine only lost a few once I was in range
[08:15] <Upu> S/N was -1 -> 3 db
[08:15] <Upu> I don't know what constitudes good for that
[08:15] <RocketBoy> well it seems to decode ok down to about 3
[08:16] <Upu> 70cms round here is noisy as hell anyway
[08:16] <RocketBoy> so for you they were of comparable strength?
[08:16] <Upu> weaker than Darksides launch but I had no issues decoding it
[08:17] <daveake_> Initially I was holding up a yagi in my office (upstairs room), pointing roughly NE through the window ...
[08:17] <daveake_> .... then I remembered that the (closed) window blind has a thermal (metallic) shield in it ...
[08:17] <Upu> I didn't record it unfortunatley or I would have sent you the recording
[08:17] <daveake_> ... opening the blind made quite a difference :)
[08:17] <Upu> it did fade in and out a little
[08:17] <Upu> but I didn't loose too many packets
[08:17] <daveake_> RocketBoy do you want my recording uploaded?
[08:18] <RocketBoy> OK I'll have a look at the payload this morning and see if I can notice anything bad for 1 - but it doesn't sound like a massive problem\
[08:18] <Upu> I didn't switch to XABEN0 as 650 is the least noisy part of 70cms for me
[08:18] <RocketBoy> daveake_: yep that would be handy
[08:19] <Upu> I do have the capture from Horus though
[08:19] <RocketBoy> yeah i'm wondering if its just the frequency difference
[08:19] <daveake_> I switched from 0 to 1 after 0 burst. I had close to 100% decodes on 0 but it was several minutes before I got even 1 packet from 1
[08:19] <Upu> Xaben1 did drift frequency wise and the shift was about 405
[08:20] <daveake_> There was less noise too on .650. Maybe my aerial is better tuned to .075?
[08:20] <RocketBoy> dave - the recording would be interesting then
[08:21] <daveake_> Will do. It's on t'other PC so I'll go to that now to upload.
[08:21] <RocketBoy> cool
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[08:23] <daveake_> RocketBoy - I'm really sorry .. I only saved the decode not the signal. :(
[08:24] <daveake_> Note to self: get that right next time
[08:26] <RocketBoy> :-( oh no - don't worry - I'll do some testing today to see if I can find a signal strength difference
[08:27] <daveake_> IIRC I right-clicked the waterfall thinking that doing a save-as there would record the wav file.
[08:27] <daveake_> I remember now it's on the File menu instead
[08:27] <RocketBoy> hey ho
[08:29] <daveake_> btw my antenna has an adjustable cap for tuning. I did have a play with that; difficult to tell if it helped or not. The signal was fading in and out anyway.
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[08:30] <daveake_> On the waterfall the traces made a distinct S shape
[08:32] <RocketBoy> sort or wavering? - yes I noticed the frequency was shifting - normally a sign of a lot of payload swing
[08:34] <daveake_> Looked like a repetitive left-right movement. So yes, swinging would account for it.
[08:35] <daveake_> So you recovered both payloads? Did they land in fields/trees/?
[08:43] <RocketBoy> they both landed in fields
[08:45] <RocketBoy> see http://ukhas.org.uk/projects:launch_list - see ere and ere http://maps.google.co.uk/maps?q=52.28927,0.78360 http://maps.google.co.uk/maps?q=52.23717,1.22075
[08:49] <fsphil> RocketBoy, I made a recording. I'll find the bit where I switch between payloads, just after the first one burst
[08:50] <RocketBoy> excellent
[08:50] <daveake_> Thanks RocketBoy :)
[08:50] <daveake_> Ah, I love the smell of melted polystyrene in the morning .. :)
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[09:00] <fsphil> hehe, "Renegade Balloonists" thread on GPSL. this mailing list is getting stranger
[09:00] <Darkside> liiiiink
[09:00] <daveake_> link?
[09:01] <fsphil> http://groups.yahoo.com/group/GPSL/message/10591
[09:01] <daveake_> tvm
[09:01] <Darkside> lol
[09:01] <fsphil> basically, how dare someone launch near me and not tell me
[09:01] <Darkside> and repeatinghimself
[09:02] Last message repeated 2 time(s).
[09:02] <fsphil> RocketBoy, it appears fldigi didn't make the recording. I can't find it on the PC, sorry!
[09:02] <RocketBoy> renegade - i like the sound of that \
[09:02] <RocketBoy> :-(
[09:03] <daveake_> fsphil, join the failure club ;)
[09:03] <RocketBoy> humm Renegade RocketBoy
[09:04] <fsphil> lol
[09:04] <Elwell> /nick RenegradeEwell
[09:04] <daveake_> I think we need a dl-fldigi-for-forgetful-people that automatically records :)
[09:04] <fsphil> "Hi.. you appear to be tracking a flight... "
[09:04] <daveake_> lol
[09:04] <RocketBoy> bbl
[09:05] <fsphil> I forgot to record both my first flights, only remembered after the balloons burst
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[09:05] <fsphil> well, the second one just as the signal was fading
[09:05] <fsphil> weird this, I definitely started the recording
[09:07] <daveake_> I didn't even bother trying to track mine - at launch I couldn't decode anything so I thought the NTX2 was foobar'd. Checked connections and voltages - all OK - so launched hoping the backup tracker would be enough. Wasn't till I got home and saw Upu and then you tracking that I knew the transmitter was working OK!
[09:08] <daveake_> Eventually got in the chase car and connected up aerial, receiver and netbook, and had a very strong signal. Should have done that much much earlier.
[09:08] <daveake_> Still don't know why it didn't work on the ground at the launch site.
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[09:09] <fsphil> volume too loud on the pc?
[09:10] <daveake_> The receiver was only showing 2 bars - previously at a few feet it would be bouncing off full scale.
[09:10] <m1x10> I need a new cam :(
[09:11] <daveake_> Maybe it was set off frequency and picking up a weak version. i guess.
[09:12] <daveake_> What I do know was that I went into panic mode for half an hour and managed to stop the camera script accidentally :(
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[09:13] <fsphil> you break it m1x10?
[09:13] <fsphil> my camera still hasn't arrived yet
[09:23] <m1x10> fsphil
[09:23] <m1x10> :(
[09:24] <m1x10> after the seawater tests i killed the original lens and then i bought and replaced them with lens i got from china
[09:24] <m1x10> i bought them 1 month ago
[09:24] <m1x10> and today i started testing them
[09:25] <m1x10> and the landscape pictures are failing
[09:25] <m1x10> only the macro pictures are ok
[09:25] <m1x10> the chinese lens failed
[09:26] <m1x10> and i found the same camera on ebay from israil
[09:26] <m1x10> 63euros total
[09:26] <fsphil> what model?
[09:26] <m1x10> A480
[09:27] <m1x10> I will never fly a HAB
[09:27] <m1x10> all bad luck comes here
[09:27] <m1x10> and you fly things on 40km for fun
[09:28] <number10> what camera have you ordered fsphil?
[09:28] <fsphil> we all have bad luck m1x10, you'll get there
[09:28] <fsphil> number10, gopro
[09:28] <m1x10> i gave 30$ to buy the lens from king kong
[09:28] <number10> nice - from ebay?
[09:29] <fsphil> some seller on amazon, but it's taking ages
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[09:29] <m1x10> amazon selles camera?
[09:29] <fsphil> suspect he's buying them from the US, and somehow avoiding sales tax
[09:29] <m1x10> sell cameras*
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[09:30] <fsphil> they sell a bit of everything m1x10 - though this is not amazon, but another seller listing on amazon
[09:30] <daveake_> I got my A480 from the Canon Outlet on ebay. They sell returns/refurbs
[09:31] <number10> is that cameraking UK seller
[09:31] <m1x10> daveake_: give me some link
[09:32] <m1x10> im trying to find a cheap A480 and i found only the israily guy
[09:32] <fsphil> I've got an A560 going cheap ;-)
[09:33] <number10> how much - is it broken?
[09:33] <TimZaman> my a560 was $30~35 i believe, so was the 720IS
[09:33] <m1x10> I need A480 because of its dimensions. Payload is already done.
[09:33] <fsphil> very broken .. got submerged in yucky green water for a month
[09:33] <fsphil> it turns on, but the screen is all wibbly. and there is no picture from the sensor
[09:33] <daveake_> I just searched for different A-series models. Paid £27 and it looked new.
[09:34] <daveake_> Came in original packaging
[09:34] <fsphil> I got 2x A560's for £20. was very chuffed
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[09:34] <daveake_> Not bad :)
[09:34] <fsphil> spoiled me though, when I search now I think they're all very expensive :)
[09:34] <number10> yes I think we are all bidding against eachother
[09:35] <m1x10> daveake_ sell me your A480 !
[09:35] <daveake_> I was going to use my IXUS 50, but it doesn't use AA's so I was going to use external batteries. Then Mrs Dave took a liking to the camera as it was better than hers, so I bought the A480 and she now has the IXUS :p
[09:35] <daveake_> :)
[09:35] <daveake_> It's going up in a few weeks!
[09:35] <number10> how does the 480 compare to the 560?
[09:36] <daveake_> No idea, but wikipedia has a page showing the differences between all the A series models
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[09:36] <TimZaman> mixio, have you already sent something up?
[09:36] <daveake_> http://en.wikipedia.org/wiki/Canon_PowerShot_A
[09:37] <m1x10> TimZaman: no
[09:37] <number10> thanks daveake_. out of interest what netbook do you have
[09:37] <TimZaman> omg!
[09:37] <m1x10> you are you btw?
[09:37] <m1x10> who are you
[09:37] <TimZaman> they called me timbobel
[09:38] <m1x10> ooooooh
[09:38] <m1x10> lol
[09:38] <m1x10> :)
[09:38] <daveake_> number10 the A480 is 25g lighter
[09:38] <m1x10> the timbomel syndrome :)
[09:38] <TimZaman> then i got serious and used my real name as everyone should ;)
[09:38] <daveake_> number10 Acer D255. It was the cheapest :p
[09:38] <m1x10> well, Tim I was in army dont forget that! Its been 1 month that i finished.
[09:38] <fsphil> I only use the first four characters of my real name :p
[09:38] <daveake_> I used to have an Advent with built-in 3G, but the machine died big time
[09:39] <number10> I need to buy more stuff - Mrs#10 is wondering what all this stuff is :(
[09:39] <daveake_> fsphil fsph?
[09:39] <fsphil> *phil :p
[09:39] <TimZaman> :)
[09:39] <TimZaman> but your real name is ofcourse
[09:39] <TimZaman> Philipo
[09:39] <m1x10> philipo
[09:40] <m1x10> one amazon seller sells his A480 $150
[09:40] <m1x10> !!!!!!!!!!!!!
[09:40] <daveake_> wow
[09:40] <m1x10> http://www.amazon.com/Canon-PowerShot-A480-2-5-inch-Black/dp/B001SER4C4
[09:40] <fsphil> that's Sir.Philip to you :p
[09:41] <TimZaman> buy guys im out for a coffee. fsphil : will be resuming the SSDV later today. i had some good results with the funcube. Turns out, i was connecting a female antenna to its (female) receptor! haha :)
[09:41] <TimZaman> bb
[09:41] <m1x10> whats his problem and sells it at $150 ?
[09:41] <fsphil> haha, there's a scotsman and irishman talking on the belfast repeater -- I can't understand either of them
[09:42] <fsphil> brb, foods!
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[10:44] <fsphil> silly networks
[10:44] <Darkside> they rehubbed
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[10:57] <LazyLeopard> With a bit of luck that's it done...
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[14:27] <W0OTM> howqdy
[14:27] <mattltm> AT commands driving me nuts!
[14:28] <number10> what u driving with the AT commands mattltm?
[14:28] <mattltm> Sony ericsson K700i
[14:29] <mattltm> I send it At commands and it replies OK.
[14:29] <mattltm> But it seems to ignore sms commands :(
[14:30] <number10> not good - is that for locating on the ground the same as HoHoHo did
[14:32] <eroomde> http://www.tmz.com/2011/08/26/steve-jobs-apple-photo-resignation-ceo-sick/
[14:32] <mattltm> kinda yes, I just want it to send out lat,lng.
[14:33] <eroomde> once gets the feeling he is not long for this world
[14:34] <mattltm> this is fustrating :(
[14:34] <number10> thats a real deterioration in two days if thats a true picture
[14:34] <number10> mattltm I got one of these for gps tracking http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=400220310975&ssPageName=ADME:L:OC:GB:1123
[14:35] <mattltm> Thanks. The problem is that I am sending temp and humidity data back too so I need to be able to send a custom message string.
[14:38] <mattltm> http://piratepad.net/2u5KqsYoIN
[14:38] <mattltm> With that test code, I get...
[14:39] <mattltm> http://piratepad.net/WRtVa2L1rx
[14:39] <mattltm> Looks fine to me.
[14:43] <number10> looks like you are just sending AT and getting OK response
[14:44] <mattltm> yes, so it looks like the connection is working.
[14:44] <mattltm> so....
[14:44] <mattltm> http://piratepad.net/5qstqOXFWF
[14:44] <mattltm> That should send an sms?
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[14:47] <number10> do you not have to send off hook or something beforehand?
[14:48] <mattltm> I dont think so. Setting AT+CMGF=1 should set the phone to sms mode.
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[14:49] <number10> what about trying a few simple AT commands
[14:50] <mattltm> I'll give t a go...
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[14:51] <mattltm> Any sugestions
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[14:55] <number10> how about AT* - sould list all commands
[14:59] <fsphil-laptop> OT: http://twitpic.com/6cltbx
[15:00] <Randomskk> -100 old :(
[15:05] <number10> mattltm - do you get OK after at+cmgf=1? - send at+cmgf=1, wait for response OK before next step
[15:08] <number10> also mattltm you may need to have the recipient phone number withing quotes - e.g. at+cmgs="01xxxxx"
[15:09] <number10> within* -g
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[15:17] <number10> mattltm: try phone.print("AT+CMGS=\"07790xxxxxx\"\r\n");
[15:18] <daveake_> SMS issues? When I've used AT+CMGS I've not needed the quotes nor the \n
[15:18] <daveake_> Modems do vary though :(
[15:21] <number10> I have not done it before daveake, mattltm was having problems so was trying to help with some ideas
[15:21] <daveake_> Yeah, sorry for butting in. Precis on what problems and what he's tried?
[15:24] <daveake_> mattlm you still here?
[15:24] <number10> this is what he is trying http://piratepad.net/5qstqOXFWF
[15:24] <number10> with an erricson k700i
[15:24] <daveake_> Cheers. Just a mo while I read.
[15:25] <number10> would be a good idea to check for OK response rather than delay between commands
[15:29] <daveake_> OK, I've compared with some code of mine for the Ericsson T38m. My code doesn't have the \n on the AT+CMGS command, nor the quotes. Also, the T39m uses PDU format for texts, and in that mode the command is AT+CMGS<PDU length> \r
[15:29] <daveake_> I ran a quick google search and it seems the k700i uses PDU also
[15:30] <daveake_> For PDU, the recipient number is embedded in a string with the message and some other data.
[15:31] <daveake_> Very first thing would be, as you said, to see if what response there is from the command.
[15:33] <m1x10> sorry to interrupt but i think you will all like the following page: http://www.flickr.com/photos/fei_company/sets/72157626382741945/
[15:36] <daveake_> Actually, first thing is to find out if the phone supports SMS PDU mode and/or SMS Text mode. The command AT+CMGF=?\r reports ( 0 ) for PDU, ( 1 ) for Text, and (0, 1) for both. PDU mode is a PITA, so if it offers text mode, use it.
[15:37] <daveake_> Mode is then set with AT+CMGF=<n>\r
[15:39] <m1x10> daveake_ want help ?
[15:40] <mattltm> thanks daveake_, I'll look into that
[15:40] <daveake_> m1x10 I was trying _to_ help :)
[15:40] <mattltm> Im mobile at the moment though so I cant test.
[15:41] <mattltm> so I should pass AT+CMGF=?\r to the phone and see what comes back?
[15:41] <daveake_> Exactly that.
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[15:41] <daveake_> And prey it supports text mode ;)
[15:42] <m1x10> "AT+CMGF=0\r" to enable PDU mode
[15:42] <m1x10> "AT+CMGS=" + pduLength.ToString() + "\r"
[15:42] <daveake_> If it supports it. he needs to know if it des
[15:42] <daveake_> does*
[15:42] <m1x10> PDU + '\x001a'
[15:42] <m1x10> where PSU is a string
[15:42] <m1x10> PDU*
[15:42] <daveake_> For the sake of his sanity, if he can he should avoid PDU
[15:43] <daveake_> If he can't avoid it, I have some sample C code that works
[15:43] <m1x10> with pdu you can send more chars
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[15:43] <daveake_> "PDU is a string" is a slight simplification :)
[15:43] <mattltm> If I cant run it in text mode I will just get onother phone.
[15:45] <daveake_> I have a T39m that does PDU only, and a wavecom modem that does text only. Latter is much easier.
[15:45] <daveake_> But as I said, I have some PDU code that works
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[15:46] <mattltm> Alternativy, has anyone had success in passing ciustom messages to a SPOT?
[15:46] <daveake_> Not me.
[15:47] gb73d (gb73d@81-178-179-214.dsl.pipex.com) joined #highaltitude.
[15:47] <Randomskk> mattltm: jcoxon is the person to talk to there
[15:49] <mattltm> Just found natrium42's site :)
[15:49] <Hibby> ;3~;3~morning
[15:51] <SpeedEvil> jcoon was passing a few bits in lat/lon
[15:51] <Randomskk> oh yea I think natrium42 has also done a fair bit with them :P
[15:55] <mattltm> loks good.
[15:55] <mattltm> Also, is there a seedstudio stockest in the UK?
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[16:08] <jcoxon> afternoon
[16:09] <mattltm> Hi jcoxon :)
[16:16] <jcoxon> hey mattltm
[16:16] <jcoxon> how was the open day?
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[16:23] <Darkside> ohi
[16:23] <Darkside> I am at paddington
[16:23] <Randomskk> leaving our green and pleasant lands?
[16:24] <Darkside> yup
[16:24] <Darkside> wet lands, more like
[16:24] <Randomskk> hah :P
[16:25] <Darkside> woo train moving
[16:25] <Darkside> I hope the ticket I have is valid
[16:25] <Darkside> im on a heathrow express
[16:26] <Darkside> my ticket claims to be valid through to heathrow
[16:26] <Randomskk> seems reasonable
[16:26] <Darkside> I wasnt sure if I was supposed to do anything at paddington
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[16:27] <Darkside> heh theres wifi on this train
[16:27] <Randomskk> oh nice. handy
[16:27] <Darkside> oh well, ill be at heathrow very early
[16:28] <Randomskk> sensible plan
[16:28] <Randomskk> how'd your satellite work go?
[16:28] <Darkside> ticket was fine
[16:28] <Darkside> all good
[16:28] <Darkside> ill be doing some work on it in o
[16:28] <Darkside> in oz*
[16:29] <Randomskk> ah cool
[16:29] <Darkside> im taking home a prototype, and a gps unit will be on its way soon
[16:29] <Darkside> im going to do aome code testing on a balloon
[16:29] <Randomskk> oh yea, you mentioned. should be cool
[16:30] <Randomskk> I bet getting the gps unit shipped was fun :P
[16:30] <Randomskk> no gps simulator back home though?
[16:30] <Darkside> no lol
[16:30] <Darkside> we Already did full test ok ng
[16:30] <Darkside> got it moving at 5km/s at 100km alt
[16:31] <Upu> Hey Darkside what is your GPS ?
[16:32] <Darkside> Novatel OEMV-1DF
[16:32] <Upu> custom firmware ?
[16:32] <Darkside> nope
[16:33] <Darkside> well, the space rated version has different firmware
[16:33] <Upu> how come no COCOM limits ?
[16:33] <Darkside> im only getting a non space ver
[16:33] <Darkside> space ver has no cockm limits
[16:33] <Darkside> cocom*
[16:34] <Upu> whats the limits on the non space version ?
[16:34] <Darkside> non space ver has no alt limit at all, but does have speed lim
[16:35] <Darkside> non space ver tested to 100km alt at low velocity
[16:35] <Darkside> net shit, nad 3g
[16:35] <Darkside> bad
[16:38] <Darkside> at,heathrow
[16:38] <Darkside> back later
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[17:14] <Darkside> past security, now hanging around duty free
[17:14] <Darkside> might get a watch
[17:15] <Darkside> lol
[17:15] <Hibby> yum
[17:15] <Hibby> just what youve always wanted
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[17:17] <MrCraig> Bidding on a car on ebay - absolutely don't need a car at all, except for habbing. Only one flight under my belt and I've got the bug.
[17:18] <daveake_> :-). No local habbers to help out?
[17:18] <MrCraig> well there are, but I don't wanna put people out for it.
[17:19] <daveake_> I think people would be more than willing to help
[17:19] <MrCraig> *nods - well I'm bid into it now lol
[17:19] <daveake_> :)
[17:20] <MrCraig> wth it's got a bonet ornament.
[17:20] <fsphil> You need a big setup like W0OTM has :)
[17:20] <daveake_> Oh....?
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[17:20] <MrCraig> now wonders what W0OTM has
[17:21] <daveake_> Built-in telescopic pole?
[17:21] <fsphil> ... and ideally I'd have the link ready...
[17:21] <daveake_> Ladder
[17:22] <daveake_> Keep meaning to get my car PC installed in mine
[17:22] <fsphil> http://www.youtube.com/watch?v=n51vKNDXwik
[17:23] <MrCraig> I had a carPC installed in my last car and tore it out when the car died. I don't think I'd want to put it in the car I'm going for though, unless I can get a replacement or swap-out dash. I don't wanna cut holes in it.
[17:23] <daveake_> Luvvit! I was right about the telescopic pole!
[17:23] <MrCraig> awesome setup
[17:24] <daveake_> MrCraig you'll be needing a towbar then :)
[17:24] <fsphil> lol
[17:24] <fsphil> he's missing a ladder though!
[17:24] <MrCraig> I was considering buying a mercedes sprinter ex-ambulance at one point, because being an ex ambulance it already has all the power gear installed to the back. Sadly it's a little expensive for me.
[17:24] <daveake_> Amateur!
[17:25] <fsphil> My setup is little more than a laptop in the back seat
[17:25] <MrCraig> That's just ... I'm lost for words on that setup lol
[17:25] <MrCraig> http://www.ebay.co.uk/itm/290442662089?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 <-- I was planning to buy this to run digiflidgy
[17:26] <MrCraig> and reuse the old yaesu 790R
[17:26] <daveake_> fsphil Same ... all I had was roof magmount + AR8000 + netbook + 3G dongle
[17:27] <fsphil> that's all you need :)
[17:27] <daveake_> Other essentials are phone and a sat nav
[17:27] <fsphil> well that and a driver
[17:27] <fsphil> I don't think I could track and drive at the same time
[17:27] <daveake_> Nope
[17:27] <daveake_> I don't usually let Mrs Dave drive me round, but I did make an exception :)
[17:28] <MrCraig> I had the same setup last time, but I left the magmount at home and used a 6" facemount telescopic - it tracked it true right up to 30km - I only had to pull out the directional when it fell behind some trees.
[17:28] <number10> you need the loud hailer to give instructions to the driver
[17:28] <daveake_> Also need yagi for DF
[17:28] <daveake_> and (hopefully not) a telescopic pole for retrieval from a thing that begins with T
[17:29] <MrCraig> <smirks> you got hadie back right fsphil?
[17:30] <number10> where can I get a iHAB trailer from only 1700 bucks
[17:31] <fsphil> MrCraig, that tree fought well but was ultimately defeated. it's still got the balloon and chute though
[17:31] <MrCraig> Shame to lose the chute but the payload is what counts.
[17:32] <daveake_> Indeed
[17:32] <MrCraig> http://www.ebay.co.uk/itm/Large-Box-Trailer-/150653258586?pt=UK_Trailers_Transporters_Parts&hash=item2313a24b5a <-- damn if I hadn't bid so high on the car
[17:37] <Darkside> so, somewhat predictably, the usb backup charger thing i bought is a pile of shit
[17:37] <Darkside> and doesn't charge my phone
[17:37] <Darkside> in fact, it puts it into some weird 'docked' mode, which makes it think its plugged into something else with controls
[17:38] <MrCraig> sounds like it's not even the right pinouts
[17:38] <Darkside> it's so bad, in fact, that I can't use my phones touchscreen whole its in this mode, and when i unplug the device, it doesn't 'snap out of it'. and i have to reboot
[17:38] <Darkside> MrCraig: it's 'standard' microUSB
[17:38] <Laurenceb_> http://www.drobe.co.uk/riscos/artifact1557.html
[17:39] <Darkside> so anyway, i'm currently sitting in onw of the councourses inheathrow airport, as its the only plce i could find a powerpoint
[17:39] <Darkside> in a bit, i might go get some sinner
[17:39] <Darkside> dinner*
[17:39] <MrCraig> enjoy
[17:39] <Darkside> but yes, i am a bit pissed off that the charger doesn't work
[17:39] <Darkside> as i'm betting my phone won't last the flight
[17:39] <number10> well have a good jouney Darkside
[17:39] <Darkside> heh
[17:39] <Darkside> i've got AGES to go before i board guys
[17:40] <Darkside> the gate doesn't open until 9:15pm
[17:40] <number10> chill out and go to the bar - its your last chance to redeem yourself if there is any Biritish Ale there
[17:41] <Darkside> pff no
[17:41] <Darkside> i might get a steak a bit later
[17:41] <Darkside> i saw what looked like a niceish restaurant a while back
[17:42] <number10> after all we have done for you to help break the UK record. just try a sip
[17:42] <daveake_> :)
[17:42] <Darkside> haha
[17:42] <Darkside> nah
[17:43] <number10> stake and ale pie - try one of those then ?
[17:44] <fsphil> wonder if a magmount gsm/3g antenna would improve the internet service while chasing
[17:44] <Darkside> not a magmount one
[17:44] <number10> cant spell steak !stake
[17:45] <Darkside> you can get these nice omnidirectoional antennas tho
[17:45] <Darkside> ack
[17:45] <Darkside> we have a nice 850MHz omni on the landcruiser that gets us good coverage
[17:45] <fsphil> ooh
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[17:47] <Darkside> that won't help in ireland
[17:47] <Darkside> you'd want something similar for 900MHz
[17:48] <daveake_> I'm sure you can ones that allegedly cover all the UK freqs
[17:48] <fsphil> hehe, http://www.wifi-antennas.co.uk/index.php?target=products&product_id=168
[17:48] <fsphil> 900 and 1800 are the common ones I think
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[17:49] <daveake_> I think so
[17:50] <Darkside> you'd only need 900 tho
[17:51] <Darkside> soooo, i have a good 2 hours to kill
[17:51] <Darkside> what the fuck am i going to do :P
[17:51] <daveake_> Depends on which supplier he's with
[17:52] <Darkside> daveake_: yes, but 900MHz will have greater coverage anyway
[17:52] <daveake_> Here, strap one of these to the iHab trailer http://www.ebay.co.uk/itm/GSM-Antenna-900-1800-1900-2170-Mhz-Omni-7-5dBi-N-Jack-/290603426513?pt=UK_Signal_Boosters&hash=item43a95062d1#ht_3908wt_980 :)
[17:53] <daveake_> Magmount http://www.ebay.co.uk/itm/DUALBAND-GSM-900-1800-BLUETOOTH-MOBILE-PHONE-ANTENNA-/140534555307?pt=LH_DefaultDomain_0&hash=item20b88322ab#ht_3059wt_1002
[17:54] <Darkside> make sure the cable loss doesn't overcome the benefit from the antenna
[17:54] <daveake_> Indeed
[17:54] <fsphil> http://www.novavox.co.uk/magnetic-mount-antenna-p-146.html
[17:54] <fsphil> 3m thin cable, too much maybe
[17:54] <Darkside> yeah
[17:54] <Darkside> bad idea
[17:54] <number10> Darkside - 2 hours to kill?.... you must try beer, before its too late- get your passport stamped as such and you will be allowed back next year
[17:54] <Darkside> you want an antenna with a N connector
[17:54] <Darkside> number10: haha
[17:54] <Darkside> no
[17:55] <number10> we wont let you back ;)
[17:55] <Darkside> i'm probably going to go to chez gerard something or another and get me some steak in a bit
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[17:59] <LazyLeopard> All checked in? Which terminal?
[17:59] <MrCraig> question: what's an iGate?
[17:59] <Darkside> LazyLeopard: Terminal 3
[17:59] Action: LazyLeopard has had to go through T3 recently...
[17:59] <Darkside> i'm all checked in and past security
[17:59] <LazyLeopard> Is it still a building site?
[17:59] <Darkside> i got patted down at security
[17:59] <Darkside> LazyLeopard: not as bad
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[18:00] <fsphil> MrCraig, if it's APRS it's a a station that uploads any packets it receives to the APRS-IS internet thingy
[18:00] <Darkside> i neglected to remove my belt and shoes before security, so i got patted down and had to take them off
[18:00] <Darkside> and got scanned with the hand-scanner
[18:00] <Darkside> it was fun
[18:00] <Darkside> i wanted to get body scanned :(
[18:00] <MrCraig> fsphil: is that equivalent to uploading to the spacenear server?
[18:00] <daveake_> Darkside If you do come back, immigration will probably make you sign a form saying you won't be attempting to break any UK records :p
[18:00] <fsphil> MrCraig, essentially yep! though sometimes they are two way
[18:01] <Darkside> daveake_: haha
[18:01] <fsphil> I had an igate setup for a while uploading stuff, but only ever received packets from two people
[18:01] <MrCraig> interesting - I'd imagine that would be useful for something like a tubesat / cubesat
[18:01] <Darkside> most APRS digipeaters won't be set up to communicate with satellites
[18:02] <fsphil> yea they'll be on different frequencies
[18:02] <Darkside> there are an absolute shitload of people in this airport
[18:02] <Darkside> seriously
[18:03] <Darkside> i wonder if the 'bridge bar' will serve fish and chips
[18:03] <Darkside> because i could go for some right now
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[18:06] <Darkside> ooh bridge bar and grill has steak and ale pies
[18:07] <Darkside> ok i'm totally going there
[18:07] <Darkside> riiiight now
[18:07] <Darkside> ok back later guys
[18:08] <Darkside> ima get me some fish and chips i think
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[18:15] <Elwell> wtf with ihab trailer? why all the rackmount switches?
[18:15] <Elwell> blanking plates are cheaper, use less power and still support the number of devices they have plugged in ...
[18:22] <Darkside> heh
[18:22] <number10> get the steak and ale pie and then you can say you have had some ale
[18:22] <Darkside> no seats in the ace atm
[18:22] <Darkside> place*
[18:23] <Darkside> also I got me a proper usb charher
[18:23] <Darkside> 4ah capacity so it claims
[18:23] <Darkside> ill need,to get it charged before I fly out tho
[18:24] <Darkside> as it of course didnt come charged
[18:25] <Darkside> whats the tipping policy at most restaurants
[18:25] <Darkside> ann
[18:25] <Darkside> d wohld it apply to airport restaurants
[18:25] <Darkside> lol
[18:26] <MrCraig> I don't think tipping applies anywhere you're not likely to eat again or be remembered does it?
[18:26] <Darkside> lol
[18:26] <Darkside> true
[18:27] <Darkside> well this bar is quite full
[18:27] <Darkside> I might try the french place
[18:27] <MrCraig> I never know how much to tip - but I kinda resent tipping too unless it's into the pocket of the actual waiter / waitress. Buesiness that say "service charge not included" on their reciept don't get a tip from me because they take it for the buesiness.
[18:27] <MrCraig> business*
[18:27] <Darkside> ahh
[18:28] <Darkside> good ideals there
[18:28] <MrCraig> besides - tipping direct is a way to chat up waitresses <grin> they never seem to want to come home with me tho'
[18:28] <Darkside> looool
[18:28] <Darkside> dirty man
[18:28] <MrCraig> not yet, apprenticing.
[18:29] <Darkside> hahaha
[18:29] <MrCraig> exciting 2 mins x seconds....
[18:30] <Darkside> uh huh
[18:30] <MrCraig> ebay last minute now.
[18:30] <Darkside> well 3 hours until I leave lol
[18:30] <Darkside> aaaaages
[18:30] <MrCraig> so where are you heading to / from? I missed the start of your story.
[18:31] <Darkside> going back to oz
[18:31] <Darkside> I am a wizard
[18:31] <MrCraig> from UK?
[18:31] <Darkside> yes
[18:31] <MrCraig> by the power of grayskull that's a long flight.
[18:31] <Darkside> 22 hours to melb
[18:32] <Darkside> tgen another 1.5 to adelaide
[18:32] <MrCraig> I am now the owner of a 20 year old habuar! http://www.ebay.co.uk/itm/190568323437?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649&autorefresh=true
[18:33] <MrCraig> eeech I wouldn't fancy that flight
[18:33] <Darkside> nice car
[18:33] <Darkside> habuar lol
[18:34] <MrCraig> lol
[18:34] <Darkside> weeeeeeel ima go walk around a bit
[18:35] <Darkside> and mebe go to chez gerard, since its less busy
[18:36] <fsphil> aaaw the bear is not included
[18:36] <MrCraig> lol
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[18:42] <Darkside> ok
[18:42] <Darkside> I have ordered a rump steak
[18:42] <Darkside> nkomnom
[18:43] <fsphil> mmmms
[18:44] <Darkside> after this ill need to find a power point and get things charging!
[18:45] <Hibby> rich bastard
[18:45] <Darkside> particularly the usb charger thingo I just bought
[18:45] <Darkside> lol hibby
[18:45] <Hibby> think i got a sandwich before i came to the states
[18:45] <Darkside> I have an excess of uk currency
[18:46] <Darkside> so I figured meh, ill get me some steak
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[18:47] <Darkside> have noms
[18:47] <Hibby> lol
[18:48] <Hibby> what about for ehen you return
[18:48] <Hibby> itll be worth more
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[18:49] <Hibby> did you get any scottish money? exchange rate is great: 1 pound to the pound
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[18:52] <fsphil> it's always funny to use non-bank of england notes in england
[18:52] <Hibby> your irish notes are more fake tha mine
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[18:54] <fsphil> one of the banks issued plastic versions a while back
[18:54] <fsphil> actually very neat
[18:54] <Hibby> yeah.
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[18:56] <fsphil> which oddly had a picture of the space shuttle on it
[18:56] <fsphil> cause you know, we made that :p
[18:57] <fsphil> wish I'd kept some, people buy them for about £20 now :)
[18:59] <MrCraig> I had an olympic 2000 AUS$2 coin in collectors packing and stored it safely in a box in my parents home - it went missing when they moved house would sell today for £50 ish on ebay. I can't hold my folks to the £50 though.
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[19:00] <fsphil> drat
[19:00] <MrCraig> now I'm keeping ahold of a £2 coin with a picture of darwin facing down a monkey (cliche?) just because I like it.
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[19:01] <fsphil> I like the £2 coins
[19:01] <fsphil> in genera;l
[19:01] <fsphil> the two colours works well
[19:01] <MrCraig> yeah - I had the abolishment of slavery coin too - but a coffee was enough to tempt me from that one.
[19:01] <fsphil> lol
[19:02] <MrCraig> well - a man's gotta have his caffine.
[19:02] <TimZaman> whoo i programmed the gm862 that it textmessages me a google maps link with the coordinates
[19:02] <MrCraig> sweet - good work Tim
[19:02] <fsphil> cute
[19:02] <Hibby> MrCraig: you're a slave to the man
[19:03] <MrCraig> lol hibby, very good
[19:03] <MrCraig> thing is - I wonder how much the coffee bean harvesters are paid, and if there really was any irony in me spending that coin.
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[19:08] <MrCraig> so you tech shoppers, I have a challenge for you. I have a suitable computer to use as a carputer, it's a mini-itx that I bought in error thinking it'd run the cnc mill since I burnt out the previous box. It's not powerful enough to run the drill (primarily because the software does all kinds of clever stuff that I don't need) - anyway, it'd be enough to run tracking software. What I don't want to do is use the same
[19:08] <Darkside> mm u can smell jet fuel
[19:08] <Darkside> i can smell jet fuel*
[19:08] <Darkside> i love that smell
[19:08] <Darkside> anyway, that steak ws not the best i've ever had
[19:08] <MrCraig> did you tip?
[19:08] <Darkside> and the chips were almost identical to burger king chips
[19:09] <Darkside> yes
[19:09] <Darkside> i could tell the waiter was having a really bad day
[19:09] <Darkside> most of the tills in teh place were broken
[19:09] <MrCraig> eww cardboard chips and not a great steak and you still tipped.
[19:09] <Darkside> the chips werent cardboard
[19:09] <Darkside> they were good
[19:09] <Hibby> we barely even tip in scotland
[19:09] <Darkside> heh
[19:09] <Hibby> ;)
[19:09] <MrCraig> lol I've never been a fan of BK chips
[19:09] <Darkside> well it suggested 10% on the receipt
[19:09] <Darkside> so thats what i did
[19:09] <fsphil> tips are rare here too
[19:10] <fsphil> not cause we're cheap, but the waiters get well paid to begin with :)
[19:10] <Darkside> now i'm sitting at a powerpoint charging everything
[19:10] <Hibby> suggested or 'suggested'
[19:10] <Darkside> i really with OSX supported USB tethering
[19:10] <Darkside> because i'm having to use wifi tethering, and that blows through battery life
[19:10] <Hibby> ms office now comes with charge facility?
[19:11] <Darkside> Hibby: funny
[19:11] <fsphil> only the mac version
[19:11] <Hibby> magical
[19:11] <Hibby> im a fun guy, but theres not mush room for my jokes today
[19:12] <Darkside> you are a horrible person
[19:12] <Hibby> :(
[19:12] <Hibby> am.not.
[19:13] <Hiena> Hmmm... Creepy. Did you ever realizes, how the outer diameter of the tube fittings, how snuggly fit two the standard two times higher tubes? Simply screwing together endcaps and extensions makes high caliber zombie busting ammo.
[19:13] <Hiena> Also it goes through the 2" garage door without any damage.
[19:15] <TimZaman> the telit GM862 does take pythonscripts. Though its core does not accept floats doubles or longs, or anything else complex.
[19:16] <Hibby> im away
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[19:16] <Hibby> darkside: good flying
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[19:18] <Darkside> hmm
[19:19] <Darkside> i cant get USB tethering working...
[19:19] jonquark (~jonl@nat/ibm/x-wmviwtuxbnhflbgf) joined #highaltitude.
[19:19] <Darkside> silly OSX
[19:19] fsphil-laptop (~phil@2001:8b0:34:1:219:d2ff:fe09:a6b9) joined #highaltitude.
[19:20] <NigelMoby> Heh, what time is your flight dude?
[19:24] jan_bangna (~jandetlef@ppp-115-87-76-221.revip4.asianet.co.th) left irc: Quit: jan_bangna
[19:25] <Darkside> 2230
[19:34] GW8RAK (~chatzilla@host-78-144-82-5.as13285.net) joined #highaltitude.
[19:34] <Darkside> oh cool
[19:34] <Darkside> just got USB tethering working
[19:34] <Darkside> had to buy an app
[19:34] <Darkside> but it means i don't have to waste my battery with wifi tethering
[19:35] <Randomskk> had to buy an app
[19:35] <Randomskk> that's atrocious :(
[19:35] <Darkside> i shouldn't have had to
[19:35] <Randomskk> don't htc have usb tethering drivers on their website?
[19:35] <Darkside> but OSX doesnt support the USB network stuff
[19:35] <Randomskk> :(
[19:35] <Randomskk> silly os x
[19:35] <Darkside> yep
[19:35] <Darkside> its fucking annoying
[19:35] <Randomskk> oh well, usb tethering is definitely the way forward
[19:35] <Darkside> but oh well, $10 and i'm done
[19:35] <Darkside> yep
[19:35] <Randomskk> my phone uses up battery quicker than it can charge over usb if wifi tethering
[19:35] <Randomskk> shame really as it's so convenient
[19:35] <Darkside> i'm happy to pay the $10 so i dont have to spend ages fucking around with drivers
[19:36] <Randomskk> yea, fair enough
[19:36] <Randomskk> that is the point of os x after all :P
[19:36] <Darkside> hehe
[19:36] <Darkside> yep
[19:36] <Darkside> oh well, now everything is charging
[19:36] <Darkside> yay
[19:37] <Darkside> hmm heathrow airport website doesnt tell you the gates
[19:37] <Randomskk> handy
[19:37] <Randomskk> should be printed on your ticket
[19:37] <Darkside> nope
[19:37] <Randomskk> you're looking at the departures board website?
[19:37] <Darkside> i got my ticket too early
[19:37] <Darkside> 22:30BA7318 HONG KONG AND MELBOURNE SCHEDULEDTerminal three
[19:37] <Darkside> interesting
[19:37] <Darkside> did i get codeshared >_>
[19:37] <Randomskk> >_>
[19:37] <Randomskk> airline?
[19:37] <Darkside> qantas
[19:38] <Darkside> no, i dont think i got codeshared
[19:38] <Randomskk> despite BA flight number?
[19:38] <Darkside> its QF030
[19:38] <Randomskk> ah okay
[19:38] <Darkside> last flight i was on was a BA010
[19:38] <Darkside> or something
[19:39] <Darkside> yep its not codeshared
[19:39] <Darkside> yay
[19:39] <Darkside> i wasn't too happy with british airways
[19:39] <Darkside> but yeah
[19:40] <Darkside> where can i find the gate number online?
[19:40] <number10> lead an offline life - just look at the screens
[19:40] <Randomskk> not sure. if it's not on the online departures board it may not be online (or published yet)
[19:40] <Darkside> bhler
[19:40] <Randomskk> but yea, find some screens, there are usually tons around
[19:41] <Darkside> yeah yeah
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[19:41] <Darkside> i'll go back to the screens in a bit
[19:41] <Lunar_Lander> hello
[19:43] <number10> hello
[19:43] <Lunar_Lander> how are you all?
[19:44] <number10> fine thanks
[19:44] <Darkside> good
[19:44] <Darkside> bah, the gate near me just opened
[19:44] <Darkside> that sucks
[19:44] <Lunar_Lander> level crossing gate?
[19:44] <number10> Darkside is giving us a running comentry of his exit from th eUK
[19:44] <Lunar_Lander> ah
[19:44] <fsphil-laptop> escape
[19:44] <Lunar_Lander> lol
[19:44] <fsphil-laptop> but we'll catch him
[19:45] <Lunar_Lander> hi fsphil-laptop
[19:45] <fsphil-laptop> hiya Lunar_Lander
[19:45] <Darkside> haha
[19:45] <Darkside> ESCAPE
[19:45] <number10> deportation
[19:45] <Darkside> ess cappe
[19:48] <Lunar_Lander> and hello GW8RAK
[19:48] <Darkside> http://www.cnet.com.au/just-mobile-gum-plus-backup-battery-339306642.htm tgs
[19:48] <Darkside> thats the thing i bought
[19:48] <Darkside> i paid way too much for it
[19:49] <Darkside> but i needed somehting ASAP
[19:49] <Darkside> i think i'll have to make my own AA based charging device
[19:51] <Randomskk> well
[19:51] <Randomskk> mintyboost :P
[19:51] <Darkside> yeah
[19:51] <Darkside> something like that anyway
[19:55] <Darkside> well, apparently the gate opens at 2115
[19:55] <Darkside> so in 15 minutes i'll wander over to the screens
[19:56] Lunar_Lander4811 (~Miranda@p54A07E16.dip.t-dialin.net) joined #highaltitude.
[19:56] <fsphil-laptop> aah airports, been a while since I was at one
[19:56] <Lunar_Lander4811> back
[19:57] <Lunar_Lander4811> GW8RAK : are you there?
[19:57] <Darkside> i'm just hoping the seats near me are mostly free
[19:57] <Darkside> on the way here i had a whole row to myself
[19:57] <fsphil-laptop> excellent
[19:57] <Darkside> well, window to aisle anyway
[19:57] <Darkside> it was awesome
[19:57] <Darkside> when i chose my seat for this flight online i had the same
[19:57] <Darkside> but i don't know if that'll still be the case
[19:58] <Darkside> its not exactly peak period, so hopefully it will be free
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[19:58] <TimZaman> fsphil: how about reed solomon for strings
[19:59] <Darkside> TimZaman: theres no point with the RTTY byte wrapping
[19:59] <Darkside> i.e. the start and stop bits
[19:59] <Darkside> you'd have to do it on a bit level, not a byte level
[19:59] <TimZaman> So?
[20:00] <Lunar_Lander4811> hello TimZaman
[20:00] <TimZaman> Hi
[20:03] <Darkside> TimZaman: it means doing some recoding of fldigi to support it
[20:04] <Darkside> i reckon if you can get fldigi to just output a raw bitstream we could do some fun stuff
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[20:05] <TimZaman> Darkside: i dont see how that would be difficult, since the characters it outputs are directly related to the received bits?
[20:06] <Darkside> but it looks for a stanrt and a stop bit
[20:06] <TimZaman> Plus, phil is doing it already with the ssdv..
[20:06] <Darkside> if it misses either one of them it has problems
[20:06] <Darkside> his stuff still requires teh start and stop bit
[20:06] <Darkside> we don't want any of that
[20:06] <TimZaman> i know but that does not seem te bo the problem
[20:06] <Darkside> it *is* the roblem
[20:06] <Darkside> fldigi's RTTY stuff works on a byte level
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[20:06] <TimZaman> yes i follow you
[20:06] <Darkside> it operates on bytes, which have a start bit and a stop bit
[20:06] <Lunar_Lander> sorry internet failed
[20:06] <TimZaman> but bits are not often bropped
[20:07] <TimZaman> dropped
[20:07] <TimZaman> i know, Darkside
[20:07] <Darkside> it happens often enough
[20:07] <Darkside> if you loose the start bit, you loose the byte
[20:07] <TimZaman> why then does it work so well with ssdv?
[20:07] <Darkside> we don't want that
[20:07] <Darkside> because he just gets the bytes
[20:07] <TimZaman> ah i get what you are getting it
[20:07] <TimZaman> indeed
[20:08] <Darkside> so to do FEC, we need access to the raw bitstream
[20:08] <TimZaman> then the recovery is still possible, but maybe you can only use it for 2 characters, while you probably need a few at the end
[20:08] <Darkside> not the unwrapped bytes
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[20:08] <Darkside> anyway i need to head off to where i can see a screen
[20:08] <TimZaman> Yup i get it
[20:08] <Darkside> i'll be boarding soonish
[20:08] <TimZaman> down south?
[20:08] <Darkside> eh?
[20:08] <TimZaman> boarding?
[20:08] <Darkside> i'm heading south, yes P
[20:08] <Darkside> though i'll be going a good way east first
[20:08] <Darkside> TimZaman: i'm at Heathrow
[20:09] <Darkside> about to fly back to australia
[20:09] <TimZaman> airport?
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[20:09] <TimZaman> yeah, its called down south right :)
[20:09] <Darkside> whatever
[20:09] <Darkside> :P
[20:09] <TimZaman> did you have a good time in the UK?
[20:09] <Darkside> cya all!
[20:09] <Darkside> yes!
[20:09] <Darkside> i need to go!
[20:09] <TimZaman> good!
[20:09] <TimZaman> have a good flight!
[20:09] <Darkside> see you all when i'm in hong kong hopefully
[20:09] <Randomskk> seeya!
[20:09] <TimZaman> say hi to the chinese
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[20:12] <fsphil-laptop> TimZaman, though about doing RS codes for telemetry. needs to be a fixed length
[20:12] <fsphil-laptop> but should work
[20:13] <TimZaman> thats what i thought
[20:14] <TimZaman> but not sure what we would gain
[20:14] <TimZaman> Anyway. what checksum do we ideally want?
[20:14] <TimZaman> im making a shellscript.
[20:14] <fsphil-laptop> a lot of strings are rejected cause of only a few bad characters
[20:14] <TimZaman> i got some CRC16 going on now?
[20:15] <fsphil-laptop> so some kind of correction would be nice
[20:15] <fsphil-laptop> +1 for the 16-bit crc
[20:15] <Lunar_Lander> TimZaman : did you receive my question on the SMS?
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[20:16] <TimZaman> Lunar_Lander: Nope
[20:16] <TimZaman> fsphil-laptop but wasnt it 2 bytes only?
[20:17] <TimZaman> for some reason i end up with 3-4
[20:18] <Lunar_Lander> TimZaman : I wanted to know if it is worth it to make a GPS tracker with SMS function such as you had on your balloons
[20:18] <fsphil-laptop> yea it's 2 bytes
[20:18] <fsphil-laptop> what function are you using to generate the checksum?
[20:18] <TimZaman> just a bunch of internet calculators that all say the same & some semistandard bash functions
[20:19] <TimZaman> CRC-16: 0x8005 = x16 + x15 + x2 + 1
[20:19] <TimZaman> this one would do :) 8bit-CRC: 0x07 = x8 + x2 + x + 1
[20:20] <TimZaman> Lunar_Lander: well i can very strongly advise a SMS function
[20:20] <Lunar_Lander> yeah
[20:20] <Lunar_Lander> is it difficult to do?
[20:20] <Randomskk> TimZaman: be sure to use the same CRC16 we use. it's usually called CCITT.
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[20:21] <TimZaman> so its the one i said last
[20:21] <TimZaman> CRC-8-CCITT x8 + x2 + x + 1
[20:21] <TimZaman> x^8+x^2+x+1 :P
[20:21] <TimZaman> or CRC-16-CCITT x16 + x12 + x5 + 1 ?
[20:22] <Randomskk> CRC-16 CCITT. calculate the checksum it gives you for "hello, world" and we'll see if it matches
[20:22] <TimZaman> +1
[20:23] <TimZaman> Lunar_Lander: no. you can also buy a chinese trackerthingy
[20:24] <Lunar_Lander> ah
[20:24] <Lunar_Lander> btw thank you for putting all the information about the computer and the other things on your side
[20:24] <Lunar_Lander> *site
[20:25] <TimZaman> +!
[20:25] <TimZaman> +1
[20:25] <Lunar_Lander> yea
[20:25] <Lunar_Lander> :)
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[20:27] <TimZaman> i got my nichrome wire in today
[20:27] <Lunar_Lander> yeah
[20:27] <TimZaman> what happens if i hook it straight up to a 4v battery
[20:27] <Lunar_Lander> it should heat up
[20:29] <Lunar_Lander> do you want to build a cutdown?
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[20:29] <TimZaman> nah
[20:29] <TimZaman> maybe.
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[20:30] <Lunar_Lander> ah
[20:30] <Lunar_Lander> do you plan to try the Hellschreiber code one day?
[20:31] <TimZaman> Randomskk: 26586
[20:31] <TimZaman> Lunar_Lander: have tried.
[20:31] <Randomskk> you'll need it as hex
[20:31] <TimZaman> right
[20:31] <Randomskk> but also, I don't get the same thing :/
[20:31] <TimZaman> Crepe
[20:32] <TimZaman> too lazy making it myself
[20:32] <TimZaman> it should be out there
[20:32] <Randomskk> well it is
[20:32] <Randomskk> most people use either avr libc's crc functions for their flight computers
[20:32] <Randomskk> the server backend uses python's crcmod
[20:32] <Randomskk> https://github.com/ukhas/habitat/blob/develop/habitat/utils/checksums.py
[20:33] <TimZaman> Sweet thanks
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[20:35] <Lunar_Lander> you mean you have to transliterate the Hellschreiber code into Hex?
[20:35] <Lunar_Lander> or was the hex related to something else?
[20:36] <TimZaman> y
[20:36] <Randomskk> something else
[20:37] <Lunar_Lander> ah
[20:37] <Lunar_Lander> what I thought is
[20:37] <Lunar_Lander> do you need a different receiving program if using Hellschreiber?
[20:38] <Randomskk> fldigi can do it.
[20:38] <Randomskk> can't upload sentences though
[20:38] <Lunar_Lander> ah
[20:38] <TimZaman> Yup
[20:38] <Lunar_Lander> and if you do SSTV?
[20:38] <TimZaman> but yeah we dont really need hellschreiber
[20:39] <TimZaman> fldigi does SSDV
[20:39] <TimZaman> for sstv you need something else
[20:39] <Lunar_Lander> yes
[20:39] <TimZaman> the web is full of it
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[20:39] <fsphil-laptop> be nice of fldigi did sstv too
[20:39] <fsphil-laptop> if*
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[20:39] <Lunar_Lander> MMSSTV or so
[20:40] <Lunar_Lander> I actually once had that
[20:40] <fsphil-laptop> it's windows though
[20:40] <Lunar_Lander> it was funny to convert pictures to audio and vice versa
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[20:42] <Lunar_Lander4811> but as you said TimZaman Hellschreiber is not really required
[20:42] <Lunar_Lander4811> and I don't get why I get kicked off IRC
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[20:58] <TimZaman> tim@timlptp:~$ java CRC16CCITT "Hello World"
[20:58] <TimZaman> CRC16-CCITT = 4d25
[20:58] <TimZaman> Randomskk: :)
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[21:01] <Randomskk> yes
[21:01] <Randomskk> that's right
[21:01] <TimZaman> it needs to be two bytes in hex?
[21:02] <Randomskk> well it depends on what you're using it for
[21:02] <Randomskk> but for putting at the end of a UKHAS telemetry string, yes.
[21:02] <Randomskk> the format is like $$callsign,time,lat,lng,alt,some,other,data*4D25
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[21:03] <TimZaman> so there are four characters?
[21:03] <TimZaman> doesnt XOR have two?
[21:03] <TimZaman> four seems an awful lot for a small string
[21:05] <Randomskk> XOR uses two, yes, and is very likely to break.
[21:05] <Randomskk> the strings aren't usually that small.
[21:05] <Randomskk> at any rate, it's what almost everyone uses and it works very well
[21:05] <Randomskk> we're trading off space efficiency for ascii readability, but we're doing that on purpose
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[21:11] <Laurenceb_> Randomskk: ever used stm32 stutdown mode?
[21:11] <Randomskk> nope
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[21:14] <Laurenceb_> ok nvm then
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[21:21] <W0OTM> Howdy
[21:21] <fsphil-laptop> evnin!
[21:21] <W0OTM> whats new?
[21:22] <fsphil-laptop> not much here, just doing some code hacking
[21:22] <fsphil-laptop> how goes the ihab project?
[21:22] <Lunar_Lander> hi W0OTM
[21:22] <Lunar_Lander> how are you?
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[21:25] <W0OTM> good good
[21:25] <W0OTM> we are scheduled to do Flight Test #2 on Tues
[21:25] <W0OTM> will activate the autopilot mode for the first time
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[21:27] <fsphil-laptop> sweet
[21:28] <fsphil-laptop> as projects go that's certainly one of the more complicated ones :)
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[21:37] <TimZaman> fsphil wow geez with a good antenna its a very rood FM radio (music)
[21:37] <TimZaman> rood=good
[21:37] <fsphil-laptop> it's not bad! a bit crackly with some stations
[21:38] <fsphil-laptop> it also receives the sound of the analogue tv stations here
[21:38] <Lunar_Lander> yeah
[21:38] <fsphil-laptop> though they're disappearing next year
[21:38] <Lunar_Lander> btw, I just restarted
[21:38] <Lunar_Lander> I hope that connection dropoff is solved
[21:40] <fsphil-laptop> anyone suggest any good music for programming?
[21:40] <fsphil-laptop> I'm bored of my playlist
[21:41] <MrCraig> fsphil-laptop: www.techno.fm (three channels, techno, trance, and... dance?)
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[21:41] <MrCraig> sometimes it's a bit heavy on the techno channel - but you can switch between the three to suit.
[21:42] Action: SpeedEvil wants another language centre.
[21:43] <SpeedEvil> Being unable to listen to stuff while reading is annoying.
[21:43] <fsphil-laptop> MrCraig, ta - sounds good
[21:44] Action: SpeedEvil is listening to a lot of radio 4 ATM.
[21:44] <TimZaman> are you serious? techno!?
[21:44] <TimZaman> haha
[21:44] <MrCraig> SpeedEvil: and for that reason you want a neural implant?! o.O it's drastic surgery but there was an ad running a while back for getting brain enhancements, talk to f.r.a.n.k
[21:44] <SpeedEvil> There is a lot of good old stuff rebroadcast.
[21:44] <SpeedEvil> Yes Minister, for example.
[21:44] <SpeedEvil> (as radio)
[21:45] <fsphil-laptop> I've Radio 4 programmed in but haven't stayed on it for long
[21:45] <TimZaman> fsphil this is a great album http://www.santana.com/guitarheaven/
[21:45] <SpeedEvil> 'The Castle' 'Museum of Everything' 'Just a minute' 'I'm sorry I haven't a Clue' And on the more sciency side - 'Home Planet' and 'Material World'
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[21:47] <SpeedEvil> 'Analysis' and 'More Or Less' are good too.
[21:47] Action: SpeedEvil hugs get_iplayer
[21:47] <fsphil-laptop> haha
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[21:49] <fsphil-laptop> TimZaman, never been a big fan of guitar music
[21:49] <TimZaman> !!!!!!
[21:50] <TimZaman> fsphil why do we have ":" characters in the timestring for rtty?
[21:50] <SpeedEvil> More entropy helps you pick out corrupted strings
[21:50] <fsphil-laptop> readability mostly
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[21:50] <SpeedEvil> It means it can't be confused for a partial lat/lon
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[21:51] <TimZaman> Or you could also see it as too much entropy
[21:52] <TimZaman> my first flight's sentences were $$TBL,41,11:35:30,52.6052,4.6997,2,T*0F
[21:52] <TimZaman> pretty short
[21:52] <SpeedEvil> You could also argue that deleting all of the commas and using zero padding would be good too.
[21:52] <SpeedEvil> Or even going to full binary.
[21:54] <TimZaman> actually
[21:54] <TimZaman> not a bad idea
[21:54] <TimZaman> ;)
[21:54] <SpeedEvil> Oh - Pratchett's 'nation' is going out.
[21:54] <SpeedEvil> (on iplayer)
[21:54] <SpeedEvil> The question is - what's the gain?
[21:55] <LazyLeopard> audio, video, or what?
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[21:56] <SpeedEvil> audio
[21:56] <SpeedEvil> The above have been all audio
[21:58] <LazyLeopard> The non-numeric characters help define the line, and make it human-readable, which can be a help when something's going wrong and the automatic decoding has died.
[21:59] <LazyLeopard> Was it a dramatisation or a straight reading of "Nation"?
[22:00] <SpeedEvil> dramatisation.
[22:00] <SpeedEvil> I have't listened to it yet
[22:01] <LazyLeopard> I wonder how long ago it was broadcast.
[22:01] <SpeedEvil> I think recently
[22:02] <TimZaman> fsphil btw the santana album isnt guitar music, its classic rock
[22:02] <SpeedEvil> http://www.bbc.co.uk/programmes/b00qg1s3
[22:05] <LazyLeopard> I vaguely remember catching a bit of it, but that'd have to have been on Radio 4.
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[22:08] <Lunar_Lander> hi RocketBoy
[22:08] <RocketBoy> :-)
[22:10] <Lunar_Lander> how are you?
[22:12] <RocketBoy> yeah good - just recovering from all the running about yesterday
[22:12] <Lunar_Lander> yeah
[22:14] <RocketBoy> I weighed the tote balloon remnants - 510g of balloon came back - which is why one of the flights landed fast
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[22:14] <RocketBoy> totex
[22:15] <Lunar_Lander> yes
[22:15] <Lunar_Lander> that is quite much
[22:15] <Lunar_Lander> which balloon mass did you use again?
[22:16] <RocketBoy> one was a totex 800 the other a hwoyee 800
[22:17] <Lunar_Lander> yes
[22:17] <Lunar_Lander> 64% of the balloon came back down
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[22:18] <RocketBoy> yeah - all that came back on the hwoyee was the neck
[22:19] <Lunar_Lander> yes
[22:20] <TimZaman> fsphil got any code for anything else than RS(255,223)
[22:21] <fsphil-laptop> TimZaman, http://www.ka9q.net/code/fec/
[22:22] <fsphil-laptop> thinking of using shorter codes?
[22:23] <TimZaman> y
[22:23] <TimZaman> 64byte rtty strings
[22:23] <TimZaman> because i just checked my raw log
[22:23] <TimZaman> indeed - 90% of all errors are between 1 and 4 bytes that didnt pass
[22:23] <TimZaman> in a string
[22:24] <TimZaman> and if i have to use a hefty 4 bytes as CRC16 then it could be nice. Also: RS is pretty awesome
[22:24] <fsphil-laptop> RS is great, wish I understood it more
[22:24] <TimZaman> yeah
[22:24] <TimZaman> actually, i try not to.
[22:25] <fsphil-laptop> 4 bytes? wouldn't that be CRC32 :)
[22:25] <fsphil-laptop> overkill probably
[22:25] <TimZaman> no randomssk just confirmed 4 bytes?
[22:25] <fsphil-laptop> 4 characters
[22:25] <TimZaman> yeah csorry
[22:25] <TimZaman> 4 characters
[22:25] <TimZaman> whats the difference
[22:26] <TimZaman> isnt it 8bit per char
[22:26] <TimZaman> ah i get it
[22:26] <fsphil-laptop> :)
[22:26] <TimZaman> didnt say anything
[22:27] <TimZaman> but in all cases, RS would be very useful in HAB
[22:27] <fsphil-laptop> I don't think there's been a false positive CRC16 string yet
[22:27] <fsphil-laptop> I agree
[22:27] <TimZaman> although
[22:27] <fsphil-laptop> the fixed-length requirement is annoying though
[22:27] <TimZaman> writing something good for the atmel would be a bit more difficult maybe
[22:28] <fsphil-laptop> not so much, but it does take up space
[22:28] <TimZaman> why? just take a few bits more. i just read it's then wise to pad it with zeros whatever's left
[22:28] <fsphil-laptop> the padding isn't transmitted, and the decoder needs to know how much was there
[22:29] <TimZaman> oh yeah thats right
[22:29] <TimZaman> didnt think of that
[22:29] <fsphil-laptop> well it could be transmitted, but then it's wasted space
[22:30] <TimZaman> well, but, if the code for the arbitrary calculation is there
[22:30] <TimZaman> but then you'd have to know where to stop and start, those bytes you cant lose
[22:30] <fsphil-laptop> you'd test everything received
[22:31] <fsphil-laptop> until you find something that passes the RS decoder and the CRC16
[22:32] <fsphil-laptop> but yea the length-of-string value is a weak link
[22:33] <fsphil-laptop> unless you tested every length, and that's just getting silly
[22:33] <fsphil-laptop> better to do something like convolution coding
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[22:33] <Lunar_Lander> RocketBoy : this really might be a case to look into post-burst cutdowns
[22:33] <Lunar_Lander> nooo!
[22:33] <Lunar_Lander> just by about 10 seconds I missed him
[22:34] <TimZaman> fsphil okay im getting build-error bonanza, i'm done for today
[22:34] <TimZaman> night
[22:34] <fsphil-laptop> nn!
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[22:35] <fsphil-laptop> that quit was not easy for my computer to speak
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[22:37] <Lunar_Lander> hi jcoxon
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[22:58] <Lunar_Lander> gn8
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[23:06] <Laurenceb_> anyone here played with bluetooth modules?
[23:06] <Laurenceb_> im trying to work out how to set the RTS pin
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[23:19] <TimZaman> can anyone check a checksum for me?
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[00:00] --- Mon Aug 29 2011