highaltitude.log.20111214

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[00:11] <natrium42> hmm, madeira should start picking it up
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[00:29] <NigeyS> well it's definately headed north
[00:35] <Nickle> How far has it travelled in total?
[00:35] <NigeyS> err
[00:35] <NigeyS> good question
[00:35] <Nickle> Where did it start? California?
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[00:37] <NigeyS> yeah, so its round about 4500 nautical miles .. maybe a bit more
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[00:41] <Zuph> Nickle: Yep, CA
[00:41] <Nickle> Great circle, which will be shorter comes out at 8600 km
[00:42] <Wil5on> nice
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[01:29] <NigeyS> eek looks like the ballons out of range of the azores now
[01:29] <NigeyS> balloons*
[01:31] <SpeedEvil> Balloon's
[01:32] <natrium42> come on madeira
[01:32] <natrium42> i am disappoint
[01:36] <NigeyS> waiting to try and rx it from cordova
[01:41] <natrium42> kk, cool
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[02:01] <NigeyS> schweet its being tracked from portugal now
[02:01] <SpeedEvil> Woo!
[02:02] <NigeyS> i soooooooo should be asleep..lol
[02:02] <Darkside> nice
[02:04] <NigeyS> hey Darkside
[02:04] <NigeyS> still cant hear it on the spanish station :(
[02:06] <SpeedEvil> I guess it's 500-700 miles out of spain
[02:06] <Darkside> well theres a good RX station in portugal on it
[02:06] <Darkside> so i think they'll be OK
[02:06] <SpeedEvil> As long as battery holds out
[02:06] <NigeyS> yip
[02:06] <SpeedEvil> Although...
[02:07] <SpeedEvil> Given that it hasn't burst in 2 days.
[02:07] <SpeedEvil> The chance of it bursting in the third is hardly unity.
[02:08] <NigeyS> well, its gotta burst at some point
[02:08] <SpeedEvil> Well - yes.
[02:08] <SpeedEvil> But probability of recovery goes down once it hits eastern europe, I guess
[02:09] <NigeyS> hm fair point
[02:09] <NigeyS> it's swinging north, wonder just how far it's gonna go
[02:10] <Wil5on> im disappointed, i was hoping it would come down in libya
[02:10] <Wil5on> and then you guys could make a documentary about getting it back
[02:11] <NigeyS> hah
[02:15] <Zuph> BALLOON
[02:16] <NigeyS> where? :O
[02:16] <Wil5on> like that american guy who joined the libyan resistance for the lulz
[02:21] <Zuph> Any sign of Dan since he left work?
[02:21] <Zuph> hah
[02:21] <Zuph> He just walked in the hackerspace
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[03:20] <natrium42> hahaha, wow
[03:20] <bgelb__> man, i hope it lands somewhere before the batteries die
[03:21] <natrium42> looks like it will be the first to cross the atlantic
[03:21] <natrium42> :D
[03:21] <bgelb__> seems like it might stay up forever
[03:21] <natrium42> :D
[03:28] <kristianpaul> oh, still there, nice
[03:29] <kristianpaul> oh shit !!
[03:29] <kristianpaul> great
[03:32] <SpeedEvil> Seville in 3 hours.
[03:35] <kristianpaul> is it a solar balloon? :)
[03:35] <Darkside> its running off 4x AAs
[03:36] <Darkside> but its a low duty cycle
[03:36] <Darkside> maybe 1 second every 2 minutes
[03:39] Action: kristianpaul got fluu :^|
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[04:05] <natrium42> my brother's in granada for a conference
[04:05] <natrium42> if it lands there, he could fly it back to north america, lol
[04:06] <natrium42> looks like it's headed there
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[04:29] <stilldavid> awful close now...
[04:31] <Wil5on> wow yeah
[04:31] <Wil5on> within 100km of the coast
[04:31] <Wil5on> not going to hit there though
[04:31] <stilldavid> how far you think we'll be able to track it?
[04:31] <stilldavid> anyone know the battery V offhand?
[04:32] <Darkside> V1A0 is 4v
[04:32] <Darkside> so its somewhat higher than that atm
[04:34] <Wil5on> it should hit the coast in about an hour
[04:34] <Wil5on> scramble fighters
[04:35] <Darkside> to 100k ft?
[04:35] <Wil5on> mig31 could do it, might come to that if it hits russia
[04:35] <Wil5on> hm, maybe not
[04:35] <Wil5on> oh dear
[04:36] <stilldavid> oh dear?
[04:36] <Wil5on> service ceiling is aroud 20km
[04:37] <Wil5on> so no, its out of the range of any fighter aircraft i think
[04:37] <Darkside> U2?
[04:37] <Wil5on> U2 isnt a fighter, and tops out around the same altitude
[04:38] <Wil5on> SR71 ceiling is 25km
[04:38] <Darkside> heh
[04:39] <stilldavid> in all seriousness, think any non-ham people are tracking it as a ufo?
[04:39] <Wil5on> ok, later versions of the SA-2 could hit 35km altitude
[04:39] <Wil5on> lol
[04:39] <Wil5on> moroccan air force
[04:40] <stilldavid> just curious. would it even show up as a blip on radar?
[04:40] <Wil5on> not on any sort of atc radar
[04:40] <stilldavid> I know nothing of these things, really.
[04:40] <Wil5on> i dont think anyway
[04:40] <Wil5on> is the balloon coated in metal of some sort?
[04:40] <Wil5on> or is it jsut a rubber balloon
[04:41] <Wil5on> if its just rubber its not likely anyones tracking it who couldnt figure out what it is
[04:41] <Darkside> its just a normal latex balloon
[04:41] <stilldavid> is it really? I thought it was mylar or something. Dang.
[04:41] <Darkside> its a 1600g hwoyee
[04:41] <stilldavid> how has it survived so long?!
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[05:25] <SpeedEvil> Looking like almost bang on Cadiz in a few mins. :)
[05:25] <SpeedEvil> Speeding up!
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[05:26] <RocketBoy> 10 - 12 mins
[05:26] <SpeedEvil> 8, I think.
[05:26] <SpeedEvil> But, ...
[05:28] <Wil5on> niiice
[05:29] <RocketBoy> my guess was only about 40 miles out
[05:32] <RocketBoy> probably still an hour or so to sunrise at that alt?
[05:34] <SpeedEvil> It's heading east at a fair lick too.
[05:34] Action: SpeedEvil wants some chips, for inexplicable reasons.
[05:35] <RocketBoy> pregnant?
[05:35] <RocketBoy> :-)
[05:35] <SpeedEvil> Unlikely, for at least a couple of reasons.
[05:35] <Darkside> hah
[05:36] <costyn> omg ... can't believe -11 is still going
[05:36] <SpeedEvil> Insane.
[05:36] <SpeedEvil> It's heading for the Med!
[05:37] <costyn> so... what's going to give out first, the balloon or the electronics?
[05:37] <costyn> at this points it's anybody's guess I guess :)
[05:38] <RocketBoy> one more
[05:39] Action: stilldavid watches intently
[05:39] <SpeedEvil> I vote for shot down on the russia-georgian border.
[05:40] <stilldavid> wooo!
[05:40] <SpeedEvil> Yay!
[05:40] <RocketBoy> i call that a trans-a flight
[05:40] <SpeedEvil> Indeed!
[05:40] <stilldavid> most definitely
[05:40] <bgelb__> amazing
[05:41] <costyn> nice
[05:41] <stilldavid> oh, I hope it lands where someone can find it
[05:41] <stilldavid> not that I *want* the balloon to fail
[05:42] <snelly> nWOW
[05:42] <snelly> unbelievable.
[05:43] <bgelb__> are there enough ears on 144.39 in europe
[05:43] <bgelb__> hope folks will keep tracking
[05:43] <SpeedEvil> It would be nice if it would pop somewhere that can post it back
[05:44] <x-f> i can't believe it..
[05:44] <RocketBoy> might make algerera imo
[05:45] <RocketBoy> otherwise suspect its a watery grave
[05:45] <RocketBoy> could do with a uplinked cutdown
[05:46] <costyn> so I guess the GPS recovered?
[05:47] <SpeedEvil> y
[05:47] <SpeedEvil> Yeah- another couple of hours, and it's over the med.
[05:49] <Wil5on> do those people tracking it in portugal know where it came from?
[05:49] <RocketBoy> yep - but about an hour to sunup - so you never know
[05:49] <RocketBoy> Wil5on: got to have
[05:49] <RocketBoy> aprs in europe is 144.8
[05:50] <RocketBoy> this is on 144.38
[05:50] <SpeedEvil> Can you not send a message to a node?
[05:50] <SpeedEvil> Over the internets - to ping them?
[05:50] <bgelb__> man this tracking is getting exhausting
[05:50] <bgelb__> when will it end
[05:50] <RocketBoy> there are gateways - igates
[05:51] <RocketBoy> but not sure what you can do - suspect not
[05:51] <bgelb__> 1.5 hours till sunrise
[05:51] <bgelb__> can always lookup e-mail addresses on QRZ
[05:51] <RocketBoy> dont forget its at 100k ft
[05:52] <snelly> Scott Miller is talking about geography-based frequency changes on the ot2m list
[05:52] <RocketBoy> - like being 500m further east
[05:52] <RocketBoy> sunrise wise
[05:52] <snelly> (he's the owner of Argent Data Systems)
[05:54] <SpeedEvil> snelly: you mean automatic?
[05:54] <RocketBoy> also hou would need to turn it off over some countries (like the uk)
[05:55] <snelly> yep
[05:55] <snelly> basically the balloon enters a defined box and the freq changes
[05:56] <snelly> the freq could even alternate to include APRS on the ISS when it passes overhead
[05:56] <SpeedEvil> You mean automatic - in the firmware that's in it, or hypothetical?
[05:56] <snelly> automatic
[05:56] <snelly> his firmware can already do scripting
[05:57] <SpeedEvil> I mean - is this feature enabled?
[05:57] <SpeedEvil> Or isthishypothetical
[05:58] <snelly> http://groups.yahoo.com/group/tracker2/message/13334
[05:58] <RocketBoy> as in this flight - no
[05:58] <snelly> it's partially implemented.... K6RPT doesn't fly argent data gear
[05:58] <snelly> this is for argent data TNCs
[05:59] <SpeedEvil> ah
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[06:05] <bgelb__> seems appropriate to fly past gibraltar
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[06:12] <RocketBoy> about 20mins to sunup imo
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[06:21] <SamSilver> RocketBoy: goodies arrived safely in SA > Thanx
[06:22] <RocketBoy> excellent
[06:23] <RocketBoy> think i might catch a few winks
[06:23] <SpeedEvil> Night.
[06:24] <RocketBoy> looks like it will catch sunup before it exits spain - lets hope it bursts then
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[06:38] <x-f> "burstburstburst!!" (c) Darkside
[06:39] <x-f> i don't want to be suspicious, but i am a little suspicious
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[06:40] <Upu> wow
[06:45] <bgelb__> ok i picked a bunch of callsigns off APRS maps
[06:45] <bgelb__> and sent alert email
[06:46] <jentron> Its probably already in sunlight due to the high altitude?
[06:51] <Upu> don't think so
[06:51] <Upu> won't be long though
[06:52] <Upu> could do with some more recievers
[06:53] <bgelb> can anybody spam the dxcluster
[06:54] <bgelb> i think burst now = splash
[06:54] <bgelb> better hope it hauls all the way to italy
[06:54] <Upu> 4.17v battery
[06:55] <jentron> It is turning north a bit. That may continue.
[06:55] <Upu> actually battery dropped a little
[06:55] <Upu> let me try a fresh prediction
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[06:58] <jcoxon> AMAZING
[06:58] <Upu> its almost on the isobar line hang on let me post this
[06:59] <Upu> morning jcoxon
[07:00] <Upu> http://imagebin.org/188484
[07:01] <Upu> excuse the shacky hand ..
[07:02] <jcoxon> unbelivable
[07:04] <jcoxon> well thats trans-a done
[07:04] <Upu> whats CNSP's webpage ?
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[07:04] <Lunar_Lander> hello
[07:04] <jcoxon> http://californianearspaceproject.com/
[07:04] <jcoxon> Lunar_Lander, it made it!
[07:04] <Lunar_Lander> good morning everyone
[07:04] <Lunar_Lander> YAY
[07:05] <Lunar_Lander> FIRST TRANSAMERICA AND TRANSATLANTIC CROSSING
[07:05] <Lunar_Lander> I just arrived at uni walking through the rain and I was quite angry about that
[07:05] <Lunar_Lander> then I got on the PC and saw the mailing list
[07:05] <Lunar_Lander> now I am smiling
[07:05] <Lunar_Lander> :)
[07:06] <bgelb> yea, its crazy
[07:06] <Lunar_Lander> yea
[07:06] <bgelb> but need more ears on 144.39
[07:06] <bgelb> getting farther from Lisbon...
[07:06] <Lunar_Lander> I guess it'll cross the mediterranean too
[07:07] <bgelb> might as well
[07:07] <bgelb> while we're at it...
[07:08] <jcoxon> i can hear it on global tuners
[07:09] <Lunar_Lander> yeah
[07:09] <Lunar_Lander> I wonder if calling my ham friend helps
[07:09] <Lunar_Lander> as he lives nearby and that is quite far from southern europe
[07:13] <bgelb> jcoxon - any hope of decoding?
[07:13] <bgelb> where is the globaltuner located
[07:13] <jcoxon> yeah i'm firing up my tnc
[07:13] <bgelb> coool
[07:14] <Lunar_Lander> OK people, I got to go to the lecture
[07:14] <Lunar_Lander> but I'll be back later!
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[07:17] <bgelb> wish all the spanish hams I emails woudl wake up
[07:17] <bgelb> the Azores guys were awesome
[07:17] <bgelb> probably the most exciting thing thats happened on the Azores in a while
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[07:21] <bgelb> looks like running out of range from CT1END
[07:21] <jcoxon> people are talking over 144.390
[07:21] <jcoxon> not easy to get a packet
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[07:22] <Darkside> jcoxon: you've got a digi running?
[07:22] <bgelb> sux
[07:22] <Darkside> i mean, igate
[07:22] <jcoxon> Darkside, just xastir
[07:22] <jcoxon> but no packets decoded
[07:22] <Darkside> good enough
[07:22] <jcoxon> Darkside, thats what i thought
[07:23] <jcoxon> we are recording it as well
[07:23] <bgelb> what is 144.39 in the bandplan
[07:23] <bgelb> repeaters?
[07:24] <Darkside> not that low
[07:24] <bgelb> just surprised there would be much simplex activity
[07:24] <bgelb> that happened to be on the channel
[07:24] <bgelb> bad luck?
[07:24] <bgelb> do not know the EU bandplan...
[07:27] <bgelb> ok, got one reply back
[07:27] <bgelb> IS0AML-11
[07:27] <bgelb> Sardegna
[07:27] <jcoxon> better then nothing
[07:27] <jcoxon> good work bgelb
[07:27] <bgelb> makin lot o new friends :)
[07:27] <jcoxon> hooray
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[07:28] <costyn> hehe... reminds me of the mad scrable to find HAMs in Poland 2 months ago
[07:28] <jcoxon> new igate
[07:30] <jcoxon> hooray
[07:30] <jcoxon> EA7FQB
[07:30] <jentron> Its really gaining altitude.
[07:31] <Darkside> gonna suck if it bursts now
[07:31] <costyn> is it getting some sun-rays and warming up?
[07:32] <Dan-K2VOL> anyone have echolink account?
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[07:33] <Dan-K2VOL> for as much as it sucks, someone needs to ask hams to please hold down the CONSTANT conversation on 144.39
[07:33] <Dan-K2VOL> in SE spain
[07:33] <Dan-K2VOL> that's why we aren't getting packets
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[07:35] <jcoxon> it doesn't half like going over the sea
[07:36] <fsphil> it's still going...
[07:36] <costyn> fsphil: yes, time to fall off your chair dude
[07:36] Action: jcoxon has heard it
[07:36] <Dan-K2VOL> got it recorded
[07:36] <Dan-K2VOL> anyone want it? we don't have a decoder
[07:36] <jcoxon> Dan-K2VOL, please
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[07:37] <jcoxon> Hey Bill
[07:37] <WB8ELK> ok...had to put the channel info in as well to get it to work
[07:37] <jcoxon> hehe
[07:37] <Darkside> hey WB8ELK
[07:37] <Darkside> WB8ELK: i think he beat your record
[07:37] <Dan-K2VOL> ok, 2 minutes james
[07:37] <Darkside> >_>
[07:37] <WB8ELK> yepper...it'll be tough to beat this one for sure
[07:38] <Darkside> yeah
[07:38] <jcoxon> WB8ELK, whats the next challenge?
[07:38] <Dan-K2VOL> which record, they beat all of them
[07:38] <Darkside> not altitude :P
[07:38] <Darkside> i can still try for that...
[07:38] <Dan-K2VOL> well, the long duration records :-)
[07:38] <WB8ELK> around the World I would guess
[07:38] <WB8ELK> unless he does that too with this one
[07:39] <Darkside> just need to keep the ascent rate spot on for altitude to work
[07:39] <bgelb> EA6WQ
[07:39] <bgelb> new digi
[07:39] <Dan-K2VOL> indeed
[07:39] <Darkside> WB8ELK: the battery will die before that happens i think
[07:39] <WB8ELK> still can't wrap my mind around how 4 AA batteries with an average current drain of over 100 mA are still operating
[07:39] <Dan-K2VOL> what the hell is that music on there
[07:39] <Darkside> 100ma average?
[07:39] <WB8ELK> unless it died out completely last night
[07:40] <Darkside> i know its a 5W transmitter..
[07:40] <WB8ELK> that's what Greg at Big Red Bee said the average current was with the GPS on
[07:40] <bgelb> well, TX probably was way down
[07:40] <Darkside> ahh ok
[07:40] <WB8ELK> and about 1 amp when transmitting
[07:40] <bgelb> at 3.5V or whatever
[07:40] <Darkside> 2 min period on this
[07:40] <WB8ELK> those batteries are 2800 mAh
[07:40] <bgelb> guess batts are underrated
[07:40] <bgelb> or 100mA avg is high :)
[07:40] <WB8ELK> so 2800 divided by 100mA get me 28 hours??
[07:40] <bgelb> one or the other
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[07:41] <bgelb> wonder what discharge rate they assume for 2.8Ah
[07:41] <bgelb> matters pretty significantly I think
[07:41] <Darkside> WB8ELK: 3Ah
[07:41] <Dan-K2VOL> packets still strong on radio
[07:41] <WB8ELK> but then they are able to transmit at 3.4 volts...but in the past when those AA's get below 0.9 volts each they die pretty quickly in my experience
[07:41] <SpeedEvil> Not really bgelb
[07:41] <jcoxon> WB8ELK, agreed
[07:41] <SpeedEvil> The capacity is specified at low currents
[07:41] <bgelb> yea, I guess it would only matter at the higher discharge rates
[07:41] <bgelb> where it would get worse
[07:41] <jcoxon> perhaps the warm/cold cycles make a difference
[07:41] <SpeedEvil> the difference between c/10 and c/30 isn't big
[07:41] <SpeedEvil> Cld is an isue
[07:42] <bgelb> WB8ELK, is 100mA post-regulator?
[07:42] <WB8ELK> he didn't say
[07:42] <jcoxon> we've got coverage now for quite a while
[07:42] <WB8ELK> I would assume pre-regulator
[07:42] <jcoxon> EA6WQ-10 is going to help
[07:43] <WB8ELK> it's a very LDO device
[07:43] <SpeedEvil> If it's 100mA@3.3, then at 6V, with a switcher will go lots longer
[07:43] <WB8ELK> since it works down to 3.4 volts on the logic...the amp is hooked right to the battery
[07:44] <WB8ELK> yep....I'll have to ask him whether it's pre or post regulator
[07:44] <Dan-K2VOL> anyone still have an echolink account
[07:44] <SpeedEvil> The energy between 0.9 and 0.6 is really small
[07:44] <WB8ELK> at any rate the battery is going up again in the daylight...but not as far as before
[07:44] <bgelb> well, good to know the battery is discharging
[07:45] <bgelb> at least some things make some small sense
[07:45] <costyn> bgelb: :)
[07:45] <Dan-K2VOL> indeed
[07:45] <WB8ELK> that's for sure....I still think he hooked onto a UFO as he flew over Area 51
[07:45] <Dan-K2VOL> it's good to hear it with your own ears from a known receiver there
[07:45] <Dan-K2VOL> here's a download link that I think contains a packet: http://dl.dropbox.com/u/181066/radio.wav
[07:45] <WB8ELK> Trying to decode it but too much background noise
[07:46] <jcoxon> lots of noise
[07:46] <Dan-K2VOL> too much talking
[07:46] <Dan-K2VOL> it's clear when it comes when they're not blabbing
[07:46] <Dan-K2VOL> or playing music
[07:46] <WB8ELK> need to find a radio that's narrow FM
[07:46] <Dan-K2VOL> terrible ham radio manners
[07:46] <natrium42> Dan-K2VOL: that's spain for you :')
[07:46] <Dan-K2VOL> this radio has NFM bill, do you want me to set it to that?
[07:46] <costyn> Dan-K2VOL: maybe EA6WQ-10 can tell them to shut it
[07:46] <Dan-K2VOL> 50KHz
[07:47] <Dan-K2VOL> I wish someone would, I would personally if I could get someone to log me into the local echolink repeater
[07:47] <Dan-K2VOL> but my account expired years ago
[07:47] <costyn> Dan-K2VOL: how's your Spanish? :)
[07:47] <Dan-K2VOL> and of course echolink wants you to waste a few days of time to register waiting for a manual authorization
[07:47] <WB8ELK> WFM is picking up cochannel as well though
[07:48] <Dan-K2VOL> mine's ok, but I have a great speaker her
[07:48] <Dan-K2VOL> e
[07:48] <costyn> ah :)
[07:48] <Dan-K2VOL> with NFM the voice is unreadable
[07:48] <Dan-K2VOL> oh wiat
[07:48] <Dan-K2VOL> now that's better
[07:48] Bryanstein (~Bryanstei@unaffiliated/geekjuice) joined #highaltitude.
[07:48] <Dan-K2VOL> thanks bill
[07:48] <jentron> What's the payload weight of K6RPT-11?
[07:48] <WB8ELK> can you narrow it to 15 khz
[07:48] <Dan-K2VOL> missed another one blabbing
[07:48] <Darkside> jentron: about 150g
[07:48] <Dan-K2VOL> someone please get on the CORDOVA SPAIN repeaters
[07:48] <WB8ELK> maybe it's a repeater output
[07:49] <jentron> ty
[07:49] <WB8ELK> 0.34 pounds to be precise
[07:49] <WB8ELK> 1600 gram Hwoyee balloon
[07:50] <WB8ELK> 4 AA lithium batteries
[07:50] <Dan-K2VOL> 4?
[07:50] <WB8ELK> Howard in Indiana recovered the K6RPT-12 payload and it had 4 batteries inside
[07:50] <Dan-K2VOL> interesting, in series I assume?
[07:50] <Dan-K2VOL> ahh reverse engineering
[07:50] <Dan-K2VOL> :-P
[07:50] <WB8ELK> Ron told me that K6RPT-11 is identical to the -12 payload
[07:50] <WB8ELK> yep...in series
[07:52] <WB8ELK> Dan...can you set the bandwidth to something like 15 khz?
[07:52] <WB8ELK> it's still too wide
[07:52] <WB8ELK> picking up a music station
[07:52] <WB8ELK> for some reason I can't control the radio settings here
[07:52] <Dan-K2VOL> good recording
[07:52] <WB8ELK> that was nice...but didn't decode
[07:52] <Dan-K2VOL> packet captured
[07:53] <Dan-K2VOL> did it sound overdriven to you bill?
[07:54] Mike_G0MJW (82f684b2@gateway/web/freenode/ip.130.246.132.178) joined #highaltitude.
[07:54] Gillerire (~Jamie@182-239-130-68.ip.adam.com.au) joined #highaltitude.
[07:55] <Dan-K2VOL> download audio of latest packet: http://dl.dropbox.com/u/181066/radio2.wav
[07:55] <Dan-K2VOL> they've stopped talking so much
[07:55] <WB8ELK> it didn't decode on MixW....I just tried to activate MultiPSK and got the dreaded divide by zero error....have to reboot the computer to fix that when it happens
[07:55] <Dan-K2VOL> ugh ok see you soon
[07:56] <WB8ELK> couldn't get your wav file to decode either...just a bit too much background static noise....maybe if I play with the audio levels some
[07:56] <Dan-K2VOL> I put the attenuator on the tuner
[07:58] <WB8ELK> still climbing higher than in previous days....might be a sign that the latex is getting weak
[07:59] <WB8ELK> but hope it doesn't burst now....hard to try to land on those cruise ship decks
[07:59] <bgelb> need to do forensic analysis on the latex :)
[07:59] <costyn> gonna be a while before it gets over land again
[07:59] <bgelb> hard to do if at bottom of sea
[07:59] <SpeedEvil> WB8ELK: Also - UV now
[08:00] <Dan-K2VOL> UV two days ago
[08:00] <Dan-K2VOL> this is kryptonite
[08:00] <SpeedEvil> Dan-K2VOL: well - yes.
[08:00] <Dan-K2VOL> perhaps ron perfected the vacuum sphere
[08:00] <SpeedEvil> Dan-K2VOL: but over 3 days, with the swelling due to rising, ...
[08:00] <Dan-K2VOL> yes, it's looking precarious, if it ever has
[08:01] <WB8ELK> Dan...I'm on the Barcelona tuner....if you set the bandwidth to 15 Khz...it helps...I can weakly hear the packet on that radio
[08:01] <Dan-K2VOL> got it
[08:01] <Dan-K2VOL> also try toulouse
[08:01] <WB8ELK> LOL......I've been waiting for the right material to do a vacu-balloon
[08:01] <Dan-K2VOL> nevermind, it's on the horizon
[08:02] <WB8ELK> maybe Graphene might do it
[08:02] <Dan-K2VOL> there's one in Italy in a while
[08:02] <WB8ELK> I'll see if I hear it in a few seconds
[08:02] <SpeedEvil> WB8ELK: http://today.uci.edu/news/2011/11/nr_lightmetal_111117.php
[08:02] <WB8ELK> actually not bad
[08:02] <Dan-K2VOL> damn faint
[08:02] <jcoxon> Dan-K2VOL, not really hearing it now
[08:03] <WB8ELK> wasn't too bad on the Barcelona radio
[08:03] <Dan-K2VOL> ok, I'll keep trying
[08:03] <WB8ELK> I'm on the Penedes/Barcelona radio...no interference...just packets every2 minutes
[08:03] <Dan-K2VOL> great, are you decoding/recording?
[08:03] <Dan-K2VOL> I'll hop over tehre
[08:03] <jcoxon> a bit of morse would be nice
[08:04] <jcoxon> could decode that
[08:04] Action: SpeedEvil drops Lewis on the channel.
[08:04] <jcoxon> can hear that
[08:04] <UpuWork> has it burst ?
[08:04] <Dan-K2VOL> no
[08:04] <UpuWork> oh
[08:04] <UpuWork> its in meters now
[08:05] <Dan-K2VOL> of course, it's finally in the metric hemisphere
[08:05] <Dan-K2VOL> :-P
[08:05] <Dan-K2VOL> aprs.fi seems to randomly switch units on me, probably depending if I remember to login or not
[08:06] <WB8ELK> still showing feet for me
[08:06] <UpuWork> shows meters here I thought it had burst
[08:06] <WB8ELK> nice clear APRS signal on Barcelona...but not quite strong enough to decode yet
[08:07] <Dan-K2VOL> dead?
[08:07] <Dan-K2VOL> or is my stream dropped?
[08:07] <jcoxon> my stream dropped
[08:07] <WB8ELK> just start the audio again
[08:07] <UpuWork> you guys on global tuners ?
[08:07] <Dan-K2VOL> yes
[08:08] <UpuWork> ok
[08:08] <Dan-K2VOL> Barcelona
[08:08] <WB8ELK> I'm adjusting my audio to see if I can decode it
[08:08] <Dan-K2VOL> heard it in Cordoba
[08:08] <jcoxon> oooo madrid are getting it on igate
[08:08] <WB8ELK> audio dropped out right as it was going to transmit
[08:09] <WB8ELK> wow....lots of folks igate ing it now...even Palmearic islands
[08:09] <jcoxon> too many of us on the stream?
[08:10] <UpuWork> I'll jump off
[08:10] <WB8ELK> seems like whenever a new person joins the radio the audio stops
[08:10] <UpuWork> sorry
[08:10] <WB8ELK> maybe they don't have much bandwidth on that radio
[08:10] Dutch-Mill (3e2d8519@gateway/web/freenode/ip.62.45.133.25) joined #highaltitude.
[08:11] <UpuWork> I mailed Lester Haines from the Reg as he did his LOHAN launch from Spain and they used APRS
[08:11] <jcoxon> El Reg
[08:11] <Darkside> the bloody reg
[08:11] <jcoxon> indeed
[08:11] <UpuWork> they love you
[08:11] <Darkside> i don't love them, heh
[08:11] <UpuWork> haha
[08:11] <Darkside> i'm still getting shit for that
[08:11] <bgelb> 5 volts
[08:11] <bgelb> man
[08:12] <UpuWork> haha
[08:12] <bgelb> kryptobatteries too
[08:12] <Darkside> "international beer incident"
[08:12] <UpuWork> whats the mission elapsed time now ?
[08:12] <Darkside> grrrrg
[08:12] <Darkside> over 2 days
[08:12] <UpuWork> 55 hours they reckon on batteries ?
[08:12] <UpuWork> Dear Energizer, screw 560 pictures from my digital camera look what we did with your batteries..
[08:12] <bgelb> UpuWork, I am thinknig the battery estimate was probably on the conservative side
[08:13] <UpuWork> I hope so
[08:13] <Dan-K2VOL> indeed, Energizer can pretty much claim responsibility for the marvelous ease of amateur hab power
[08:13] <Dan-K2VOL> if you want to run at night anywy
[08:14] <Dan-K2VOL> damn near break the bank do find anything else that compares
[08:14] <Dan-K2VOL> to cold performance
[08:14] <jcoxon> i give up on listening
[08:14] <WB8ELK> those are indeed batteries from the planet Krypton
[08:14] <bgelb> going and going and going...
[08:14] <WB8ELK> every time it's about to transmit...the radio audio drops out
[08:15] <bgelb> how long did -12 take to fall from altitude
[08:15] <bgelb> the balloon shard slow it down much?
[08:15] <WB8ELK> apparently that radio can only handle one listener at a time....there's another Barcelona radio
[08:15] <jcoxon> its HF
[08:15] <WB8ELK> the balloon remains acted as a streamer so it didn't hit very hard....I'll have to look at the data to see how fast it landed
[08:16] <SamSilver> I am sure I read that there were five battries in -11 will try find it
[08:16] <UpuWork> battery voltage is back up
[08:16] <UpuWork> must be in the sun
[08:16] <RocketBoy> yeah i said that
[08:17] <UpuWork> ah sorry was driving to work missed it
[08:17] <UpuWork> nice guess btw
[08:17] <UpuWork> of land fall
[08:17] <Dan-K2VOL> I'm back on corba
[08:17] <RocketBoy> cos it was in a gpsl email from bill
[08:17] <Dan-K2VOL> bill
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[08:23] Dutch-Mill (3e2d8519@gateway/web/freenode/ip.62.45.133.25) left irc: Quit: Page closed
[08:25] <WB8ELK> He did say initially that there were 5 batteries...but the battery voltage telemetry indicates 4 batteries and then he just recently told me it was 4 batteries
[08:26] <WB8ELK> of course he was running on little to no sleep for the past few days when he initially told me 5
[08:29] daveake (~daveake@daveake.plus.com) joined #highaltitude.
[08:29] <Dan-K2VOL> the BigRedBee manual suggests 4xAA, for what that's worth
[08:29] <WB8ELK> that last transmission on Barcelona was so strong it should've decoded....maybe going through the internet distorts the packets ... it decodes fine on my radio on 144.39 here locally I just tested that
[08:29] <WB8ELK> testing with local APRS stations
[08:30] <WB8ELK> but it refuses to decode the internet radio signal
[08:30] <WB8ELK> and that last one was very strong and clear
[08:30] <Dan-K2VOL> can someone help us understand how this thing is operating on those batteries still? our numbers (from the manual) show the batteries should have been dead after 25 hours
[08:30] <Dan-K2VOL> or is there some sleep mode that isn't obvious
[08:30] <bgelb> manual is probably conservative in its estimate
[08:30] <Dan-K2VOL> hmm
[08:30] <WB8ELK> I just mentioned that I thought it couldn't last past 28 hours
[08:31] <bgelb> I think the cold-induced low voltage is kinda like a power-save mode as well
[08:31] <bgelb> since the transmitter will use a lot less power with such a low supply voltage
[08:31] <WB8ELK> the only thing I can think of is that it got so cold last night that the power drain was next to zero
[08:31] <WB8ELK> ...yeah...like Ben just said LOL
[08:31] <bgelb> maybe the GPS stops using as much when it "freezes"
[08:31] <WB8ELK> I bet that's it as well
[08:32] <bgelb> I have a chamber at work
[08:32] <WB8ELK> really the only way I can explain it
[08:32] <bgelb> could test it over a weekend
[08:32] <UpuWork> interesting set of circumstances all coming together here
[08:32] <WB8ELK> do you have a Lassen IQ?
[08:32] <bgelb> nop
[08:32] <WB8ELK> that's what they are using
[08:32] <jcoxon> good old lasseniq
[08:32] <SamSilver> I have a bigredbee and it runs on 6 x AA
[08:32] <jcoxon> never fails
[08:32] <WB8ELK> another strong packet on Barcelona
[08:32] <WB8ELK> no decode
[08:33] <jcoxon> WB8ELK, it'll be the encoding over the stream
[08:33] <UpuWork> yeah it'll munch it
[08:33] <WB8ELK> Dan...I'll record the next one
[08:33] <Dan-K2VOL> says 100mA for idle, 2A for tx
[08:33] <WB8ELK> I think that's it...the encoding it messing it up
[08:33] <WB8ELK> that's 2 A at 7 volts
[08:33] <jcoxon> what are the kenwood radios everyone uses
[08:33] <jcoxon> with the built in tnc
[08:33] <WB8ELK> it's probably closer to about 600 mA at 4 volts or so
[08:34] <WB8ELK> D72
[08:34] <WB8ELK> or D7A
[08:34] <bgelb> and presumably thats a spec. max as well
[08:34] <WB8ELK> Kenwood D7a or D72
[08:34] <bgelb> as in "it will never be more than this"
[08:34] <Dan-K2VOL> bgelb, it woudl be good to try to run it through some cold testing
[08:34] <bgelb> or is it nominal?
[08:35] <WB8ELK> Greg at Big Red Bee sent me specs on various voltages....said it would be much less than the 2 A when running off of 4 volts
[08:35] <WB8ELK> ah well..that was a nice strong packet but no decode.....guess it won't work after the compression
[08:37] <WB8ELK> Dan...what dropbox folder do you want me to drop that WAV file I just recorded from Barcelona?
[08:38] <Dan-K2VOL> anywhere, I'll move it
[08:38] <Dan-K2VOL> just tell me where
[08:39] <jcoxon> bill you should launch a howyee floater with HF this winter
[08:39] <WB8ELK> just put it in MicroSat folder for no other reason that it looked like a cool file foler name
[08:39] <jcoxon> track it all teh way across
[08:39] <WB8ELK> I was going to make it a 4 balloon race actually with my 1000 gram Hwoyee....but was too much under the weather
[08:40] <SpeedEvil> http://en.wikipedia.org/wiki/Multiferroics - scariest page I've seen in a while.
[08:40] <WB8ELK> I plan to fly some HF latex Hwoyee's your way in January
[08:40] <SpeedEvil> I mean - I sort of understand a lot of physics in an overview page, but that's just gibberish.
[08:41] <jcoxon> WB8ELK, cool
[08:41] <jcoxon> right work time
[08:41] <jcoxon> already late
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[08:41] <bgelb> 5.12V
[08:41] <bgelb> man
[08:41] <WB8ELK> wow....how is that possible ????
[08:41] <bgelb> maybe the voltage measurement is not so good :)
[08:41] <WB8ELK> either they have a solar panel......fuel cell....or plutonium
[08:42] <bgelb> one of the payloads i built a long time ago had this hilarious temp dependence on the voltage telemetry
[08:42] <WB8ELK> every time I fly those batteries....they go belly up with lighter loads than they are drawing after 24 hours
[08:43] <bgelb> wonder if it truly belly up, or if voltage is just too low for payload to operate?
[08:43] <WB8ELK> they are climbing higher....some stretch going on with that Kryptonite balloon envelope perhaps?
[08:44] <bgelb> yea... the end may be near
[08:44] <bgelb> would be sad for it to be a wet landing after making it over the ocean
[08:44] <WB8ELK> well...my payload worked down to 4.5 volts....and there's works to 3.4 volts....so maybe that's the difference
[08:44] <bgelb> should help, in any case
[08:44] <bgelb> otoh, they are at 5V
[08:44] <bgelb> so
[08:44] <SpeedEvil> Well - completely missing the atlantic is quite a feat! :)
[08:44] <bgelb> ...
[08:44] <WB8ELK> yes...I sure hope they hit land
[08:45] <daveake> Completely missing land from California is quite a feat!
[08:45] <bgelb> its like two feats in one
[08:45] <WB8ELK> amazingly looks like they'll skirt past Algieria and Tunisia
[08:45] <bgelb> sorry, getting punchy
[08:45] <UpuWork> probably best
[08:45] <WB8ELK> coast to coast and shore to shore
[08:45] <daveake> A pair of feats
[08:46] <bgelb> i dont know how the east coasters stay up this late
[08:46] <WB8ELK> quite a feat to launch a Trans-Atlantic balloon from California
[08:46] <bgelb> so if these floaters can really be reproduced w/ some ease
[08:46] <bgelb> would be fun to fly a transponder or something
[08:46] <bgelb> comm range is substantial at 100kft
[08:47] <WB8ELK> I have to get up early to help out with tracking support for the Spaceport indiana launch tomorrow morning....wb8elk-11 on that one
[08:47] <WB8ELK> it will not be going to Europe however
[08:47] <bgelb> thats what you think...
[08:47] <WB8ELK> LOL.....I'll make sure we don't use the Kryptonite balloon just yet
[08:47] <UpuWork> satellite tracker
[08:48] <WB8ELK> I was amazed that Mark NG0X managed to get a 1000 gram balloon to float
[08:48] <WB8ELK> he had 1.3 ounces of free lift in his balloon...also a Hwoyee
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[08:48] <WB8ELK> It may actually still be flying...but if it is...probably a few hundred miles behind or the batteries are dead.
[08:49] <WB8ELK> I asked the fellows in the Azores to keep monitoring 144.39 this morning to see if they pick up NG0X-2
[08:50] <bgelb> that would be amazing
[08:50] <bgelb> i think we shoulda heard it by now though, if it was going to show up
[08:51] <WB8ELK> well...that one takes a couple hours of sunlight to warm up the batteries enough to reach the 7 volt threshold necessary for the Microtrak
[08:52] <WB8ELK> he needed to run it with 6 batteries but flew it with 5 instead
[08:52] <WB8ELK> but it did manage to put it in cold storage at night to conserve batteries
[08:52] <bgelb> 5V logic in microtrak?
[08:53] <WB8ELK> yep...a 75M05 regulator
[08:53] <bgelb> ooo efficiency
[08:53] <WB8ELK> exactly
[08:53] <bgelb> man that will kill your battery performance for sure :)
[08:53] <WB8ELK> takes 2 volts threshold to get it to regulate
[08:54] <WB8ELK> but it does generate heat :-)
[08:54] <bgelb> well, im sure this thing will give up the second I drop off here
[08:54] <bgelb> but getting on bedtime
[08:54] <WB8ELK> it's 3 am here....past my bedtime....but actually this is my normal bedtime
[08:55] <WB8ELK> tried to watch the Geminids but full moon out
[08:55] <UpuWork> yeah that was in my way too
[08:55] <UpuWork> wonder if any meteor scatter people have got upset yet
[08:56] <bgelb> well gnight all
[08:56] <UpuWork> night bgelb
[08:56] <costyn> bgelb: cya
[08:56] <WB8ELK> yep....hard to go to bed with this tour of the Meditteranean Sea going on
[08:57] <WB8ELK> night Ben
[08:57] WillDuckworth (c2498332@gateway/web/freenode/ip.194.73.131.50) joined #highaltitude.
[08:58] <WillDuckworth> holy shit - is it still going?
[08:58] <costyn> WillDuckworth: indeed
[08:58] <costyn> WillDuckworth: http://aprs.fi/?call=a%2FK6RPT-11&_s=ib
[08:58] <WillDuckworth> blimey
[08:59] <natrium42> heh, now it needs to beat the altitude record too
[08:59] <SpeedEvil> Oh - they picked it up locally.
[09:00] <WillDuckworth> it's certainly covering some distance
[09:00] <daveake> natrium42 Oh no it doesn't :p
[09:04] <natrium42> :D
[09:05] <Wil5on> tihs is epic
[09:05] <Wil5on> doesnt look like its going towards algeria
[09:06] <SpeedEvil> Where is the battery voltage - I can't see it in the raw packets.
[09:06] <Darkside> SpeedEvil: its the VXXX info
[09:06] <Darkside> its a raw ADC reading
[09:06] <Wil5on> lets hope it can tough it out until italy
[09:06] <SpeedEvil> 2011-12-14 07:12:30 UTC: K6RPT-11>APBL10,WIDE2-1,qAR,CT1END,PORTUGAL:!3708.26N/00211.33WO081/135/A=111552V1A1   CNSP-11 - so V1A1?
[09:07] <Darkside> SpeedEvil: the V1A1
[09:07] <Darkside> yes
[09:07] <Darkside> 1A1 is the adc value
[09:07] <Darkside> there was discussion in the gpsl thread about what it meant
[09:07] <Darkside> i cant remember the conversion atm
[09:07] <Darkside> WB8ELK knows i think
[09:07] <WB8ELK> it's a hex number....multiply it by 0.00967 to get the voltage
[09:08] <Darkside> so 4.03v atm
[09:08] <SpeedEvil> Ah.
[09:08] <WB8ELK> yes...4.03 v
[09:08] <Darkside> and you saw it get to 3.46v
[09:08] <WB8ELK> last night it did
[09:09] <WB8ELK> before it either quite transmitting or got out of range of the East coast
[09:09] <Darkside> its almost up to 5v again
[09:10] <WB8ELK> super batteries
[09:10] <Darkside> would be nicer if they had proper APRS telemetry off it
[09:10] <Darkside> but the bigredbee doesnt do that
[09:11] <Darkside> temp info would be really nice
[09:11] <WB8ELK> well...3 am...time for bed....guess I'll wake up to find it in Iran
[09:11] <SpeedEvil> :)
[09:11] <Darkside> haha
[09:11] <Darkside> if theres any APRS igates around there
[09:11] <Elwell> (APRS telemetry doesn't do -ve nos tho -- may impact choice of sending temp...)
[09:11] <WB8ELK> it'll be on Iranian TV as yet another US drone attack
[09:11] <SpeedEvil> Another thousand miles and some in 8h
[09:11] <Darkside> Elwell: uhh
[09:11] <Darkside> it works fine
[09:12] <Elwell> Darkside: yeah but out of spec :-)
[09:12] <SpeedEvil> Passing over Sicily, greece, lesbos, turkey.
[09:12] <Darkside> Elwell: http://aprs.fi/telemetry/a/VK5ZM-11?range=month
[09:12] <Darkside> not out of spec at all
[09:12] <Elwell> there was a thread on the aprs.fi mailing list about it
[09:12] <Darkside> really?
[09:13] <Elwell> [aprsfi] Telemetry - Negative values
[09:13] <Elwell> aprs.fi
[09:13] <Elwell> x
[09:13] <Darkside> no wait
[09:13] <Darkside> you send info along with the telemetry which tells the network how to decode the data
[09:13] <Elwell> yeah an offset
[09:13] <Darkside> so i dont think you ever send a negative number, you just tell it to subtract all the values by 128
[09:14] <Darkside> http://code.google.com/p/project-horus/source/browse/trunk/trackuino/aprs.cpp
[09:15] <Darkside> static uint8_t telem_param[] PROGMEM = ":VK5ZM-11 :PARAM.Battery,ITemp,Etemp,,,Chut,,,,,,,\0";
[09:15] <Darkside> static uint8_t telem_units[] PROGMEM = ":VK5ZM-11 :UNIT.V,degC,degC,,,Open,,,,,,,\0";
[09:15] <Darkside> static uint8_t telem_coeff[] PROGMEM = ":VK5ZM-11 :EQNS.0,0.0129,0,0,1,-128,0,1,-128,0,0,0,0,0,0\0";
[09:15] <Darkside> static uint8_t telem_bits[] PROGMEM = ":VK5ZM-11 :BITS.11111111,Project Horus HAB\0";
[09:17] <Darkside> that all flew last launch
[09:17] <Darkside> and once the code is generalised a bit it'll get merged into the upstream trackuino code
[09:19] <WillDuckworth> what radio is on this payload?
[09:19] <Darkside> its a BigRedBee APRS board
[09:20] <Darkside> it uses an ADF7012 and an amp block
[09:20] <Darkside> theres 2 ways they could be generating the AFSK with the ADF7012, i'm not sure which one it is
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[09:20] <Darkside> because the ADF7012 doesn't do AFSK by itself
[09:21] <Mike_G0MJW> Maybe it will miss Switzerland after all
[09:21] <WillDuckworth> guess it's output power is ~ 14dBm - that sound right?
[09:22] <Darkside> WillDuckworth: yes, but theres an amp on it
[09:22] <Darkside> so its outputting 5W
[09:22] <WillDuckworth> excellent
[09:22] <WillDuckworth> hope the batteries last the flight!
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[09:24] <eroomde> descending?
[09:24] <Darkside> oh wow
[09:25] <Darkside> 27km
[09:25] <Darkside> burst?
[09:25] <costyn> must be... :(
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[09:27] <Mike_G0MJW> About time. pity it is in the Med.
[09:29] <Wil5on> noooo
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[09:30] <cuddykid> morning all
[09:30] <cuddykid> very glad to see 11 is still powering along!
[09:31] <cuddykid> how awesome
[09:31] <WB8ELK> oh my...in the drink
[09:31] <cuddykid> oh dear, it's burst?
[09:32] <Wil5on> someone get the algerian coast gard on the line
[09:32] <jentron> It only has 14 minutes or so left by my calculations
[09:34] <UpuWork> well that was one of the more impressive HAB flights I've witnessed
[09:36] <cuddykid> yep
[09:36] <eroomde> yup
[09:36] <Mike_G0MJW> Is it a floater? As in water?
[09:36] <jentron> 40kft
[09:37] <jentron> 10 minutes to touchdown in the Mediterranean Sea
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[09:38] <WB8ELK> one for the history books
[09:38] <Wil5on> im making pasta in memoriam
[09:38] <Wil5on> and in the hopes that it washes up in italy
[09:38] <WB8ELK> now I know it's really not a UFO
[09:39] <Mike_G0MJW> Just as well it did not make it to the middle East as it would probably be in violation if ITAR. Very impressive result.
[09:40] <SpeedEvil> http://habhub.org/predict/#!/uuid=c95e1d8549af51f8dfe17618233281d5a7e5e0cc
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[09:40] <SpeedEvil> Unsurprisingly - not making land
[09:41] <WB8ELK> not bad a bad descent for no parachute
[09:42] <Mike_G0MJW> No Parachute? What if it has gone down over land?
[09:43] <Darkside> Mike_G0MJW: it wouldn't have landed that fast
[09:43] <Darkside> maybe 10-15m/s
[09:43] <UpuWork> Anyone Ibiza got a boat ?
[09:44] <jentron> Its down to 2500 ft/min vertical
[09:44] <Mike_G0MJW> 1kg on your head at 15m/s?
[09:44] <jentron> 150grams
[09:44] <x-f> + balloon remains
[09:45] <jentron> True
[09:45] <SpeedEvil> Balloon remains are generally not going to hurt though
[09:45] <Mike_G0MJW> Only 150g. Not so bad. Thought it was heavier. 5W and batterys and GPS all in 150g is very good indeed.
[09:46] <costyn> sad to see it go down
[09:46] <jentron> Its down to 11.25 m/s already and still at 19k ft.
[09:46] <SpeedEvil> I guess balloon remnants are flappy
[09:46] <Dan-K2VOL> it couldn't have been transmitting 5W most of the time with the described batteries, it possibly reduced due to cold
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[09:53] <costyn> has anybody calculated how many miles/km CNSP-11 actually flew?
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[09:57] Action: SpeedEvil ponders a launch with a windows phone.
[09:57] <SpeedEvil> Nokia have decided to give me a free windows phone.
[09:58] <Wil5on> lol
[09:59] <Matt_soton> so, anyone know of any UV protective layers that can be applied to latex? :P
[10:00] <Elwell> Matt_soton: 'a shed' :-)
[10:00] <UpuWork> Spray it in factor 50 for kids ?
[10:00] <SpeedEvil> I think windows 7 canbe considerably accellerated by dropping it from 100000 feet, with a couple of fins to make sure it stays nose-down
[10:01] <asdf_> K6RPT-11 2011-12-14 09:46:30z 35 MPH 88° alt 14558 ft
[10:01] <SpeedEvil> 120 milesish northeast of algiers.
[10:02] <asdf_> an epic journey!
[10:03] <fsphil> ++
[10:03] <fsphil> an accidental record breaker
[10:03] <jentron> What a day to discover high altitude ballooning. :)
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[10:04] <fsphil> lol
[10:04] <fsphil> welcome to the club jentron :)
[10:04] <daveake> An epic flight indeed
[10:04] <cuddykid> SpeedEvil: what language is used to create apps on windows phone?
[10:05] <SpeedEvil> cuddykid: dunno
[10:05] <jentron> Thanks. I'm more of a flight sim guy, stopped by looking to verify performance of our balloon models. Truly an epic day.
[10:05] <fsphil> report from 4km up
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[10:05] <UpuWork> www.qrz.com
[10:05] <Darkside> fsphil: yep thats it
[10:05] <UpuWork> made the front page
[10:05] <Darkside> it'll bw down by now
[10:05] Action: fsphil predicts more 1600g launches soon ;)
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[10:06] <Darkside> yep :P
[10:06] <Darkside> i'd like to know the neck lift on this one :-)
[10:06] <fsphil> yea
[10:06] <fsphil> there must be a sweet spot
[10:06] <Darkside> yep
[10:06] <Darkside> and we want to avoid floating
[10:06] <Darkside> i think horus 20 will be an altitude record attempt again
[10:07] <staylo> aw drat. Someone somewhere must have said 'I don't believe in high altitude balloons' too loudly
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[10:07] <fsphil> lol, it crossed the meridian line -- and no software bugs
[10:07] <daveake> lol
[10:08] <fsphil> if this had launched on the east coast it would have landed in china
[10:08] <daveake> Homing Balloon
[10:08] <fsphil> well, near china
[10:10] <costyn> :)
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[10:20] Action: fsphil has a jaffa cake to celebrate
[10:24] Action: SpeedEvil has some date porridge to celebrate.
[10:25] <fsphil> is there a non-destructive way to test these balloons?
[10:25] <fsphil> see how much they can be filled
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[10:26] <SpeedEvil> In principle, yes
[10:26] <SpeedEvil> you inflate them until you see the yield starting on the stress/strain line
[10:27] <SpeedEvil> But this means finding somewhere to inflate the balloon to its final diameter without it touching anything.
[10:27] <SpeedEvil> Which may be challenging.
[10:28] <fsphil> ah yea, they're huge
[10:28] <fsphil> easy to forget that
[10:28] Action: SpeedEvil listens to the flat calm screaming outside.
[10:28] <SpeedEvil> Wierd after the last couple of days
[10:29] <SpeedEvil> At least I now have my UPS setup.
[10:30] <Laurenceb> impressive aprs coverage for southern europe
[10:30] <SpeedEvil> Indeed.
[10:30] <russss> were there APRS stations listening on that non-standard frequency then?
[10:31] <SpeedEvil> I have I think 12 hours autonomy on my normal power draw, and about 30 on my reduced.
[10:31] <SpeedEvil> That should cope with powercuts. :)
[10:32] <fsphil> all calm here now
[10:32] <fsphil> some more snow but it turned to slush almost straight away
[10:32] <Elwell> heh http://aprs.fi/info/a/K6RPT-11 "Seriously bad path."
[10:33] <Darkside> thats normal for sondes
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[10:37] <Laurenceb> 6237miles range
[10:37] <Laurenceb> great circle
[10:37] <Laurenceb> http://www.wolframalpha.com/input/?i=distance+from+37.258291N%2C-121.873044E++to+37%C2%B045.69%27+N+4%C2%B021.09%27+E
[10:38] <russss> yeah I was just looking, it covered 125 degrees of longitude
[10:40] <fsphil> amazing
[10:40] <russss> http://dl.dropbox.com/u/1909920/K6RPT-11.json
[10:41] <costyn> woa... that's an amazing distance
[10:41] <Laurenceb> oh nice
[10:41] <Laurenceb> i dont know how to process json :P
[10:41] <russss> that's the aprs.fi export (which you can only do 3 times per day)
[10:41] <Laurenceb> cool
[10:42] <russss> in python: import json; json.load(file('K6RPT-11.json'))
[10:42] <Laurenceb> ah
[10:42] <costyn> how many hours was it up?
[10:42] <Laurenceb> about 50?
[10:42] <costyn> some 55 hours or so?
[10:43] <costyn> average speed 200 km/h not bad :)
[10:43] <russss> 2 days 9 hours
[10:43] <russss> between the first and the last point
[10:47] <WillDuckworth> would be good to see the altitude & speed variations over the track
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[10:53] <russss> altitude: http://dl.dropbox.com/u/1909920/K6RPT-11-altitude.png
[10:54] <russss> speed: http://dl.dropbox.com/u/1909920/K6RPT-11-speed.png
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[10:54] <WillDuckworth> cheers russss
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[10:55] <russss> that's the limit of my matplotlib skills this morning, plus I should be working
[10:55] <nosebleedkt_> hi all !
[10:55] <nosebleedkt_> SpeedEvil: did u sleep well ?
[10:55] <Elwell> russss: gnuplot?
[10:55] <Elwell> set xdata time
[10:55] <Elwell> set timefmt "%s"
[10:56] <russss> I force myself to use matplotlib these days
[10:56] <SpeedEvil> nosebleedkt_: no
[10:56] <russss> it is better, it's just more stupid in places
[10:56] <nosebleedkt_> SpeedEvil: lol, why ?
[10:56] <Elwell> ah dunno if the above 2 are compatible then :-)
[10:56] Nick change: soafee-chan -> spacekitteh
[10:57] <SpeedEvil> nosebleedkt_: I haven't gone to bed yet
[10:59] <nosebleedkt_> :(
[10:59] <costyn> nosebleedkt_: you missed all the excitement earlier today; a balloon launched in California just splashed down in the Mediteranean
[10:59] <nosebleedkt_> ooooh
[11:00] <nosebleedkt_> where in mediteranean
[11:00] <nosebleedkt_> ?
[11:00] <costyn> nosebleedkt_: http://aprs.fi/?call=a%2FK6RPT-11&_s=ib set 'show last' to 3 days
[11:00] <costyn> nosebleedkt_: just north of algeria
[11:00] <SpeedEvil> 120 miles northeast of Algiers
[11:01] <costyn> nosebleedkt_: if it would have kept going it would have passed over your head
[11:01] <nosebleedkt_> Sardinia islan d!
[11:01] <nosebleedkt_> costyn: its still a bit far
[11:01] <nosebleedkt_> :P
[11:01] <costyn> nosebleedkt_: yes, of course
[11:02] <costyn> still, considering it made it 10,000km those last 1000km wasn't that far any more
[11:02] <nosebleedkt_> yes, that true.
[11:02] <nosebleedkt_> it is recovered?
[11:03] <costyn> nosebleedkt_: no, unless you know any friendly algerians with a boat
[11:03] <nosebleedkt_> there lots of algerian pirates on this waters lately
[11:03] <fsphil> uh-oh, they'll copy it and distribute it over the internet!
[11:04] <nosebleedkt_> hahhahaa
[11:04] <costyn> ghehe
[11:04] <nosebleedkt_> so what was the hab's mission? just to travel ?
[11:04] <nosebleedkt_> kamikazi hab?
[11:05] <nosebleedkt_> fsphil: u r at work ?
[11:05] <fsphil> yep nosebleedkt_
[11:05] <nosebleedkt_> haha, me too !
[11:05] <fsphil> lol
[11:05] <nosebleedkt_> now we do the same things :P
[11:06] <nosebleedkt_> im doing linux here, you?
[11:07] <fsphil> windows sadly
[11:07] <fsphil> although php
[11:07] <nosebleedkt_> :p
[11:07] <nosebleedkt_> php is nice to work with
[11:08] <nosebleedkt_> from all web languages and stuff i like php at most
[11:12] <staylo> I'm really impressed that such a small proportion of K6RPT-11's flight went untracked
[11:13] <russss> it's all about the azores
[11:20] <Upu_2E0UPU> yeah those guys deserve a QSL card
[11:20] <Upu_2E0UPU> and a crate of beer
[11:20] Nick change: Upu_2E0UPU -> Upu
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[11:29] <russss> I think if there was a decent APRS station on bermuda we would probably have got another couple of hundred miles of reception on the other side of the atlantic
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[11:33] <Upu> oh hi Rob
[11:34] <Upu> do you use stacked Yagi's for balloon work ?
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[11:53] <daveake> Yo, Buzz is back :)
[11:54] <daveake> International Mail rather slower than Buzz's flight!
[11:57] <daveake> He was delivered to a neighbour who waited 2 days before telling me :(.
[11:58] <costyn> daveake: heh... our postmen always leave a note if they deliver at our neighbours
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[12:01] <fsphil> not exactly a heros welcome :)
[12:01] <fsphil> what condition is it in?
[12:01] <daveake> Quite! Obviously they weren't aware of the box's significance. :p
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[12:02] <daveake> The foam ball itself is in very good condition - just a green scuff mark on the outside.
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[12:03] <daveake> Antenna/ground wires are all over the place but we saw that in the photos, plus Peter would have bent them a bit to fit in the box.
[12:03] <daveake> Electronics all fit to fly again :)
[12:04] <costyn> daveake: so minimal work for another flight
[12:04] <costyn> or are you planning extra features?
[12:04] <daveake> Cutdown
[12:04] <daveake> Code is already there; I just didn't add one
[12:05] <costyn> daveake: oh yea, reminds me you were going to make a diagram/drawing of your cutdown loop mechanism?
[12:05] <costyn> I'm still interested
[12:05] <daveake> I did; I need to find it. I forget who but someone said it wouldn't work because the lines would get twisted on the way up.
[12:06] <costyn> hmm ok
[12:07] <costyn> well still interested ;)
[12:07] <daveake> :)
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[12:07] <NigelMoby> ok who sent Wales this crap weather?
[12:07] <SamSilver> daveake: i am keen to see your cutdown thingy
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[12:08] <number10> you should save buzz for the HAB museum
[12:08] <daveake> :D
[12:08] <daveake> http://imgur.com/CYSuV
[12:08] <costyn> ah yes
[12:09] <daveake> Could add a swivel just about the ring
[12:09] <Wil5on> you should have it come down like the curiosity rover
[12:09] <SamSilver> thanx
[12:10] <costyn> daveake: thanks for the pic
[12:10] <Laurenceb> going to tangle
[12:10] <Wil5on> free fall, parachute, another parachute, hover rockets, crane to surface
[12:10] <Laurenceb> i see what you did there
[12:10] <costyn> Mmm hover rockets
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[12:10] <costyn> easy from an engineering perspective right? :P
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[12:11] <Darkside> it'll be a real feat of engineering if curiosity manages to land properly
[12:12] <SamSilver> daveake: use a piece of pipe instead of the ring
[12:16] <Laurenceb> will there be any onboard cameras?
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[12:23] <fsphil> there's a descent camera on curiosity
[12:24] <fsphil> takes a pic every few seconds
[12:24] <staylo> that's not that decent, mine can do 60fps
[12:24] <fsphil> yea I wish it was a bit faster
[12:24] <fsphil> you can't really call it video
[12:25] <natrium42> skycrane in action
[12:25] <natrium42> it will be either an epic success or an epic failure
[12:25] <Darkside> when does it get to mars?
[12:26] <natrium42> in 8 months
[12:26] <Darkside> cool
[12:27] <fsphil> I hope they get a shot of it from orbit, like they did with phoenix
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[12:29] <russss> unfortunately entry will be at 5am GMT
[12:29] <russss> so that'll be an early one
[12:29] <Darkside> ooh thats nice for me
[12:30] <Darkside> early afternoon
[12:30] <russss> oh it's a bank holiday at least, heh
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[12:32] <fsphil> switched my aprs thingy back to 144.8 and still haven't decoded anything
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[12:40] <Laurenceb> <russss> unfortunately epic crash will be at 5am GMT
[12:40] <Laurenceb> ftfy
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[13:13] <russss> lol
[13:15] <costyn> well there has to be a good chance of succes for them to send it all to Mars
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[13:30] <UpuWork> http://www.theregister.co.uk/2011/12/14/transatlantic_balloon/
[13:30] <daveake> Nice :)
[13:31] <daveake> Incredible flight
[13:31] <Wil5on> awesome
[13:34] <joph> wow
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[13:37] <costyn> UpuWork: hehe nice... kinda funny that at the time of posting it'd already splashed down
[13:37] <costyn> and I'm sure aprs.fi are gonna be happy with the extra traffic :P
[13:37] <Darkside> not really
[13:37] <Darkside> with the google maps limit and all
[13:40] <UpuWork> yeah I've posted a comment
[13:40] <UpuWork> that its splashed down
[13:40] <UpuWork> have Google implemented that yet ?
[13:40] <Wil5on> yes
[13:41] <costyn> UpuWork: I don't see any comments yet?
[13:41] <Wil5on> well, there always was a limit, but the free limit has been cut back massively
[13:42] <fsphil> I see they also have OSM support, so they can switch to that at any time
[13:42] <UpuWork> costyn moderated
[13:42] <UpuWork> which surprises me give the amount of trolls on there
[13:42] <costyn> I see :)
[13:51] <Darkside> fsphil: read their blog
[13:51] <Darkside> theres a discussion about OSM
[13:51] <Darkside> and why it isnt suitable
[13:52] <fsphil> will later, but from the large omissions of my local area I can imagine already the reason :)
[13:52] <Darkside> yeah thats part of it
[13:52] <Darkside> also load issues
[13:52] <Darkside> and crap sat imagery
[13:53] <fsphil> google also have very poor sat images of this area
[13:54] <fsphil> was difficult to make out a town even existed before, the new one is higher resolution but about 20 years old
[13:54] <Darkside> damn
[13:54] <fsphil> lots of fields where there are shops :)
[13:55] <fsphil> have my baofeng little chinese handheld in -- my home station is hearing it perfectly on 70cm
[13:55] <fsphil> but only just on 2m
[13:55] <fsphil> weird
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[13:56] <Darkside> itll be a crap antenna
[13:56] <Darkside> on the handheld
[13:56] <Rob_M0DTS> upu - sri missed you question earlier, Just a single yagi on 70cm.
[13:56] <UpuWork> ok with a preamp ?
[13:56] <Rob_M0DTS> yes
[13:57] <UpuWork> considering putting up a Az/EL on the roof with a pair of stacked Yagis and a preamp
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[13:57] <UpuWork> might be a bit over kill
[13:57] <Rob_M0DTS> staked is better than bayed for most purposes so should be good.
[13:57] <Darkside> hmm better sleep
[13:57] <Darkside> nn
[13:58] <UpuWork> night
[13:58] <UpuWork> dumb question
[13:58] <Raul_> Hi, anyone from Hungary here?
[13:58] <gonzo__> go for an eme setup
[13:58] <UpuWork> would they be mounted next to each other or on top of each other
[13:58] <Rob_M0DTS> http://maps.google.co.uk/?ll=54.494903,-1.283477&spn=0.000435,0.001206&t=h&z=20&vpsrc=6 < You can make out my 3m dish!
[13:58] <UpuWork> yuo can indeed :)
[13:59] <Rob_M0DTS> the mast shadow is just above it
[14:00] <gonzo__> mine went in after they last did a fly over
[14:00] <UpuWork> Just saving up
[14:00] <UpuWork> I cashed in my "coins" and I have £200 :)
[14:00] <UpuWork> so only another £800 to go
[14:00] <gonzo__> what for? The az/el system?
[14:00] <Rob_M0DTS> My image is a few years old now... 800?!
[14:00] <UpuWork> yeah
[14:01] <Rob_M0DTS> az/el rotors are pricey new
[14:01] <UpuWork> Yaesu G-5500 Azimuth Elevation Rotator £650
[14:01] <UpuWork> ish
[14:01] <gonzo__> there are cheaper ways, if you dont mind some mech work. But yaesu or similar is the easy (and £) way
[14:01] <UpuWork> phasing harness , pre amp and another Yagi £300.00
[14:02] <UpuWork> well it has to be solid due to the winds in my area
[14:02] <UpuWork> and if I make it it'll break
[14:02] <Rob_M0DTS> true
[14:02] <gonzo__> my first system had a cheepo TV type rotator with an added pot for the feedback
[14:02] <UpuWork> not buying Yaesu computer interface
[14:02] <gonzo__> and el was an actuator jack
[14:02] <UpuWork> going to make : http://www.uk.amsat.org/info/simplesat-rotor-controller/
[14:02] <Rob_M0DTS> i used a car wiper motor for azimuth
[14:02] <UpuWork> lol
[14:02] <UpuWork> nice
[14:03] <Rob_M0DTS> that was when ihad 5 elemnt yagi on 27mhz ;-)
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[14:03] <UpuWork> I got a price for a WR-ARP-ELAZ-100
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[14:03] <UpuWork> which was just lol
[14:03] <UpuWork> £2100
[14:03] <Rob_M0DTS> ouch
[14:04] <UpuWork> but the Yaesu unit looks well made
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[14:04] <Rob_M0DTS> i've got an aplha-spid azimuth one which is very nice but too much for EL as well... one day
[14:04] <Zuph> Welp, congrats to the CNSP guys. And good morning everyone else.
[14:04] <UpuWork> morning Zuph
[14:04] <gonzo__> I have a car wiper motor on the az for my 3mtr dish
[14:04] <gonzo__> though that is on a hefty 50:1 drive
[14:04] <Rob_M0DTS> thay are most useful!
[14:04] <UpuWork> Alpha SPID's are expensive
[14:05] <gonzo__> another tracker board is the LVB
[14:05] <gonzo__> http://shop.amsat.org.uk/shop/category_6/Antenna-Rotator-Controllers.html?shop_param=cid%3D%26
[14:05] <UpuWork> yeah saw that one too
[14:05] <gonzo__> if you want to keep costs down, just buy the board and get your own bits
[14:05] <Rob_M0DTS> spid comes with digital controller but yes are expensive.
[14:06] <gonzo__> I used an LVB as the dev board for my telem encoder
[14:06] <Rob_M0DTS> one day i might get some more use out of the 3m dish here..hi
[14:07] <UpuWork> what frequency is that for ?
[14:08] <Rob_M0DTS> it will do 23/13/9cm but not much higher due to wide mesh
[14:08] <Rob_M0DTS> waiting for a 2.4g balloon flight....... ;-)
[14:08] <UpuWork> so you made that yourself ?
[14:09] <Rob_M0DTS> no it is from SSETI usage made by a company in canada
[14:09] <UpuWork> ok
[14:09] <Rob_M0DTS> a local had it rotting in his garden and i was lucky to get it before it went for scrap.
[14:10] <UpuWork> got a picture of it ?
[14:12] <Rob_M0DTS> just looking, repaired photos are on my website: http://m0dts.co.uk/23cm%20eme.html
[14:13] <UpuWork> thats a beastie
[14:15] <Rob_M0DTS> before i got it.. http://m0dts.co.uk/photos/Dish%20old%20pic.jpg
[14:15] <cuddykid> hmm - interesting - some guy at the CAA has just got back to me in reply to my email regarding autonomous return vehicle (glider)
[14:15] <UpuWork> yeah looks better now :)
[14:16] <Rob_M0DTS> a glider would be cool
[14:16] <cuddykid> I asked them what the regs/situation is with a glider
[14:16] <WillDuckworth> cuddykid - what did he say?
[14:16] <UpuWork> how come you've not launched that little PCB of yours Rob_M0DTS ?
[14:16] <cuddykid> they're considering it at the moment and have circulated it internally with a few people
[14:16] <cuddykid> has to be cleared with AU&ORA section and safety reg group
[14:17] <UpuWork> who did you speak too David ?
[14:17] <UpuWork> David Miller ?
[14:17] <cuddykid> WillDuckworth: it seems to be slightly positive :) but they need more details/ still considering it
[14:17] <WillDuckworth> cool - checking elsewhere the UAV situation in the UK seems to be only a couple k feet at most and within sight
[14:17] <cuddykid> UpuWork: no, emailed the general email and now been passed to a David Grove in AUS
[14:17] <UpuWork> ok
[14:18] <Rob_M0DTS> upu.... one day, more of a learning project..hi
[14:18] <UpuWork> ok :)
[14:18] <cuddykid> WillDuckworth: yeah, it's really annoying! The current situation I think would allow us to fly above controlled airspace then deploy parachute as it enters
[14:18] <cuddykid> (I believe)
[14:18] <SamSilver> UpuWork: please can I have the link for that great pic of a payload floating on the calm see, the one where you can see a bit of the parrachute as weel, thanx
[14:19] <UpuWork> sure Sam they are all on my picasa pages
[14:19] <UpuWork> sec
[14:19] <Rob_M0DTS> doubt i can launch from home as right on teesside flight path but the next year or so it may appear one day..!
[14:19] <UpuWork> as long as its < 2m eters in diameter
[14:19] <UpuWork> you can without a NOTAM I think
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[14:19] <cuddykid> I've told them about situation in US/Canada/australia etc.. so hopefully that will work in our favour
[14:20] <Rob_M0DTS> yes have read that but its a grey area i'm sure..
[14:20] <UpuWork> https://picasaweb.google.com/118244444241111963790/2011AvaRawImagesPart2
[14:20] <UpuWork> in there somewhere
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[14:21] <SamSilver> ta
[14:21] <SamSilver> want to show mate
[14:21] <Rob_M0DTS> a couple of 18" latex ballons lifts my board fine so would make it to a few km i guess.
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[14:22] <Laurenceb> *cough* directional parachute
[14:23] <UpuWork> go for it I'll listen in :)
[14:23] <Rob_M0DTS> you would hear it for sure
[14:24] <gonzo__> arn't mist launched about 2mtrs dia, at ground level?
[14:24] <gonzo__> most
[14:24] <Rob_M0DTS> i guess so
[14:24] <cuddykid> Laurenceb: haha, it's annoying as the foam glider poses about the same risk (extremely minimal) to aircraft - in fact it would probably be less dense
[14:25] <Laurenceb> ive flown a rogallo a few times
[14:25] <Laurenceb> http://www.theregister.co.uk/2011/12/14/transatlantic_balloon/
[14:25] <cuddykid> WillDuckworth: I've started on the code for glider - going to try and keep the idea as basic as possible -> do it's best to navigate to a 'destination' waypoint just using bearing for direction control
[14:26] <Laurenceb> my code is on the wiki
[14:27] <Laurenceb> i also went really basic XD
[14:27] <cuddykid> :D
[14:27] <cuddykid> will have a look thanks
[14:27] <Laurenceb> atmega168+mlx90609+lassen iq and a servo
[14:28] <cuddykid> planning to have no altitude control (that will just be design of glider) and just rudder
[14:28] <WillDuckworth> then sort of spiral down?
[14:29] <Laurenceb> http://ukhas.org.uk/code:parafoil_tsip
[14:29] <Laurenceb> i used a rogallo with c of g shift
[14:30] <Hes> costyn: aprs.fi is fine with the google load limit, google is giving me a free ride.
[14:30] <costyn> Hes: ah good :)
[14:30] <Hes> fsphil: OSM support is on aprs.fi only for the tiles, that does not mean that it wouldn't still use the google maps API to utilize those tiles, so no, can't switch so easily
[14:30] <Hes> besides, OSM's load limits are even lower than google's, their tile server folks are getting overloaded due to people switching away from google maps
[14:31] <fsphil> true
[14:31] <fsphil> I've only used OSM for personal projects so no issue with load
[14:32] <fsphil> Hes, aprs.fi a project of yours?
[14:33] <Laurenceb> cuddykid: i also used http://ukhas.org.uk/code:ground_control
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[14:33] <Hes> http://aprs.fi/img/stats-aprs-viewers-weekly.png http://he.fi/misc/fe-fi1-cpu-week.png - the reg isn't bad, slashdot would probably kill it.
[14:33] <Hes> (wouldn't be surprised if that happened)
[14:33] <Laurenceb> and http://ukhas.org.uk/code:kalman_filter
[14:33] <cuddykid> WillDuckworth: yeah, that's the idea :P - going to have a go building it, if I run into problems, I'll set the engineers here on the job
[14:34] <cuddykid> Laurenceb: cheers :)
[14:34] <Hes> yes, aprs.fi is mine
[14:34] <Laurenceb> - me running about in circles
[14:34] <costyn> Hes: cool and very useful project! :)
[14:35] <Laurenceb> cuddlykid: i used the lassen iq as i didnt have any ublox5/6s at that point
[14:36] <Laurenceb> and the mlx gyro as it has low drift
[14:36] <NigelMoby> ping Fsphil
[14:36] <Laurenceb> but id do it differently now
[14:36] <cuddykid> Laurenceb: I'll be using lassen, 1Hz will be fine to generate bearing it's on I thikn
[14:36] <eroomde> j/names
[14:36] <Laurenceb> i should stick it all on github
[14:36] <Laurenceb> cuddlykid: the lassen wasnt brilliant
[14:37] <Hes> costyn: thanks - the balloon stuff and other fun events really make it much more fun for me
[14:37] <fsphil> pongy NigelMoby
[14:37] <NigelMoby> boo
[14:37] <Laurenceb> after cutdown it took about 15 seconds to start giving useful data
[14:37] <cuddykid> yeah, I have had problems with lock in the past - if I have the money I'll invest in a ublox
[14:37] <Laurenceb> due to the breif freefall
[14:37] <NigelMoby> have u got the link for the notam app?
[14:37] <Laurenceb> but the winch servo line came undone during ascent
[14:38] <costyn> Hes: cool :)
[14:38] <Laurenceb> ALWAYS SUPERGLUE NYLON LINE :P
[14:38] <Laurenceb> it likes to undo itself under vibration
[14:38] <fsphil> NigelMoby, http://ukhas.org.uk/_media/general:met_balloon_release_application_jan_05_.doc
[14:38] <NigelMoby> tnx dude.
[14:38] <fsphil> good luck :)
[14:38] <NigelMoby> Merci
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[14:39] <Laurenceb> cuddlykid: http://ukhas.org.uk/_media/projects:ukhas_glider_project:p7270025.jpg
[14:40] <cuddykid> Laurenceb: nice tip! Thanks
[14:41] <Laurenceb> thats what i used to develop the code - not flight version
[14:41] <Laurenceb> but nice and easy to build
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[14:46] <costyn> daveake: about your cutdown: why not hang the parachute below the payload? then you can chop the line to the balloon from inside the payload yet not have to worry about loops or long wires
[14:47] <costyn> daveake: on the way down the payload will be upside down... which might interfere with radio transmissions I suppose I realize now :)
[14:48] <cuddykid> costyn: good idea - payload doesn't have to be upside down on the way up
[14:48] <x-f> costyn, parachute can be attatched to the top of the payload and still hang below it (when ascending)
[14:48] <cuddykid> possibility with that idea, parachute may get tangled
[14:50] <costyn> x-f: hmm yea true
[14:55] <Laurenceb> i used a pole to support the chute
[15:00] <x-f> heh.. Montgolfier brothers had their first balloon flight on this day 229 years ago
[15:00] <x-f> distance was two kilometers :)
[15:01] <costyn> hehe... amateurs
[15:01] <Rob_M0DTS> haha
[15:01] <costyn> these days we get 10,000 easy... :P
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[15:02] <fsphil> I was quite chuffed with 500km
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[15:12] <nosebleedkt_> Hi, did I miss some new flight?
[15:12] <nosebleedkt_> :P
[15:13] <costyn> nosebleedkt_: no not this time
[15:13] <nosebleedkt_> :pp
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[15:17] <jiffe98> so -11 appears to have splashed down
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[15:18] <Zuph> Yep
[15:24] <fsphil> it's floating again, just on a different medium
[15:25] <jiffe98> that was an impressive flight, looks like it ran 57ish hours
[15:25] <jiffe98> hah true
[15:26] <fsphil> a launch like that in the UK would put it in the pacific wouldn't it?
[15:26] <jiffe98> close
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[15:31] <Randomskk> having crossed all of eurasia.. would be pretty impressive
[15:31] <Randomskk> not as many APRS stations though :P
[15:32] <fsphil> yea, pretty sparse over that way
[15:32] <fsphil> would need to be satellite
[15:33] <nosebleedkt_> my balloon will go to the moon
[15:33] <fsphil> lunar_lander can recover it for you
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[15:34] <fsphil> I wonder how high a water rocket would go on the moon
[15:35] <nosebleedkt_> lunar_lander will recover and send it back to ankela merkel
[15:37] <nosebleedkt_> i think the uk team should start experimenting on hydrogen balloons
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[15:37] <nosebleedkt_> and give us a tutorial
[15:37] <nosebleedkt_> helium is stupid
[15:37] <fsphil> I was suppose to ask about H2 at the weekend but didn't get time
[15:38] <fsphil> stupid?
[15:38] <nosebleedkt_> yea
[15:38] <nosebleedkt_> haha
[15:38] <fsphil> it's almost perfect, except for the price
[15:38] <nosebleedkt_> #undefine stupid
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[15:38] <nosebleedkt_> its stupid idea for 2 reasons: it ends and it costs
[15:39] <fsphil> it wont end, just get more and more expensive
[15:39] <fsphil> but there will always be some, if you're willing to pay
[15:39] <nosebleedkt_> some say hydrogen is flamable. yes ok. i have seen videos on youtube how much fire it gets when lighting a hydrogen balloon
[15:40] <fsphil> only when mixed with oxygen
[15:40] <nosebleedkt_> and if is that the bad reason you can put some special clothes and a mask while filling the balloon
[15:40] <nosebleedkt_> it fires when mixed with oxygen ?
[15:40] <fsphil> that's what I'm planning to do
[15:41] <fsphil> H2 reacts with O
[15:41] <nosebleedkt_> ok
[15:41] <fsphil> makes water
[15:41] <nosebleedkt_> lol
[15:41] <nosebleedkt_> in any case
[15:41] <fsphil> I always thought that funny. water coming from a flame
[15:41] <nosebleedkt_> putting some suitable clothes is a very cool thing.
[15:42] <nosebleedkt_> water or flame or everything does not exist
[15:42] <nosebleedkt_> everything is just a soft of energy in different view
[15:42] <nosebleedkt_> mhh my english
[15:42] <fsphil> my only worry is transportation- in an accident it would be very dangerous
[15:42] <nosebleedkt_> sort of energy:)
[15:42] <nosebleedkt_> yes you are correct
[15:43] <fsphil> Helium is dangerous too, but at least it won't ignite
[15:43] <nosebleedkt_> thats something of great interest and people should start thinking of solution for safe transportation
[15:44] <fsphil> my car doesn't not have the thingy at the back for attaching a trailer
[15:44] <jiffe98> bring lots of water and a large electrolysis device
[15:44] <Randomskk> and lots of electricity...
[15:45] <nosebleedkt_> fsphil: tell your girl to keep it in her arms on the backseat :P
[15:45] <nosebleedkt_> i think it better to put it on top of the car. like the bicycles
[15:46] <stilldavid> drop aluminum in lye? :)
[15:46] <nosebleedkt_> what is lye stilldavid ?
[15:46] <stilldavid> it's a super corrosive ... thing. not exactly sure
[15:47] <costyn> nosebleedkt_: http://el.wikipedia.org/wiki/%CE%91%CE%BB%CE%B9%CF%83%CE%AF%CE%B2%CE%B1
[15:47] <BrainDamage> fsphil: actually, many fuels have water as combustion result
[15:47] <nosebleedkt_> costyn: looool
[15:47] <fsphil> I've heard of people using aluminium
[15:47] <BrainDamage> like nearly all hydrocarbons
[15:47] <BrainDamage> sure, water isn't the only byproduct, but ...
[15:48] Action: costyn is going home
[15:49] <BrainDamage> you can drop Al in aqueous HCl to get H2 gas
[15:49] <BrainDamage> quite a bit gas even
[15:51] <fsphil> hydrochloric acid?
[15:51] <BrainDamage> yes
[15:52] Action: fsphil didn't pay attention in chemistry class
[15:52] <BrainDamage> ah wait
[15:52] <number10> i think I would rather transport the gas instead of loads of hcl
[15:52] <BrainDamage> I think I switched potential
[15:52] <BrainDamage> potential sign
[15:53] <nosebleedkt_> BrainDamage: you speak chemistry?
[15:53] <BrainDamage> little
[15:53] <BrainDamage> acid won't do shit to the oxide layer
[15:53] <BrainDamage> use NaOH, a strong base
[15:54] <BrainDamage> lye was correct
[15:54] <nosebleedkt_> stilldavid: is the winner
[15:56] <Laurenceb> ive used NaOH
[15:56] <Laurenceb> launched some bin bags
[15:57] <nosebleedkt_> i want to go to california to natrium42
[15:58] <Laurenceb> http://pigroll.com/img/14-f-cali.jpg
[15:59] <fsphil> would love to visit the US but it's toooo big. where would you go first
[15:59] <stilldavid> wow, thanks for that
[15:59] <nosebleedkt_> Laurenceb: lol
[15:59] <stilldavid> fsphil: cali is a good start :)
[15:59] <fsphil> lol
[15:59] <nosebleedkt_> bouhahaha
[15:59] <fsphil> but it's too sunny there :p
[15:59] <fsphil> I'd melt
[16:00] <fsphil> the catch fire
[16:00] <nosebleedkt_> zombieland visits US
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[16:02] Action: nosebleedkt_ hides. fsphil didn't like.
[16:02] <fsphil> I'll eat your brainsss
[16:03] Action: nosebleedkt_ hides in the cave
[16:03] Action: nosebleedkt_ gets eaten by lions
[16:03] <nosebleedkt_> SamSilver: shoots the lions
[16:04] <SamSilver> KABANG!!
[16:04] <nosebleedkt_> SamSilver: feeds /me to monkeys
[16:04] <nosebleedkt_> SamSilver: feeds nosebleedkt_ to monkeys
[16:04] <nosebleedkt_> monkeys stop stealing SamSilver stuff
[16:05] <nosebleedkt_> SamSilver: sleeps ok
[16:05] <SamSilver> lol the monkeys stole a box of mangos the other day
[16:05] <nosebleedkt_> lol
[16:05] <SamSilver> shat on the car
[16:05] <SamSilver> I had to buy new windscreen wipers
[16:06] <nosebleedkt_> monkeys have sex on the roof ?
[16:06] <nosebleedkt_> and what do you do when you see them ?
[16:06] <nosebleedkt_> :P
[16:06] <SamSilver> yes that too but they made a poop (shit) on the car
[16:06] <nosebleedkt_> i would call my girl and do the same
[16:06] <nosebleedkt_> lol
[16:06] <nosebleedkt_> zooland
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[16:06] <SamSilver> when I see them I swear
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[16:07] <nosebleedkt_> saka zoulou
[16:07] <SamSilver> Shaka Zulu
[16:08] <nosebleedkt_> lol
[16:09] <SamSilver> I got a box of goodies for the payload today
[16:10] <nosebleedkt_> does it contain the rat experiment ?
[16:10] <nosebleedkt_> to see if rats can survive a HAb experience
[16:10] <nosebleedkt_> :P
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[16:10] <SamSilver> no rats only a few birds and a kitten of course
[16:11] <nosebleedkt_> lol
[16:11] <nosebleedkt_> want to keep kittens stomach well while on the flight
[16:13] <fsphil> I'm sending some sunflower seeds up on my next flight
[16:15] <nosebleedkt_> what is the experiment ?
[16:15] <fsphil> just so I can say I have the highest sunflowers
[16:15] <nosebleedkt_> lols
[16:15] <nosebleedkt_> http://d24w6bsrhbeh9d.cloudfront.net/photo/1050398_460s.jpg
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[16:18] <nosebleedkt_> how difficult could be to attach solar panels to a payload and with some motion device send it to the moon?
[16:18] <nosebleedkt_> and just to send back telemetry and nothing else
[16:18] <Randomskk> the moon is surprisingly far away
[16:19] <nosebleedkt_> we let it travel for a year dont care
[16:19] <Randomskk> I mean in terms of gravitational potential
[16:19] <nosebleedkt_> whats your point ?
[16:20] <burro> nosebleedkt_: http://xkcd.com/681/
[16:20] <nosebleedkt_> still nothing
[16:20] <nosebleedkt_> someone with simple lang
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[16:22] <SamSilver> gravity sucks big time nosebleedkt_
[16:22] <nosebleedkt_> ?
[16:23] <nosebleedkt_> i assumed that the payload was out of earths gravity
[16:23] <burro> nosebleedkt_ has defeated gravity with a Solar Cell purchased at sparkfun.com
[16:23] <nosebleedkt_> before started travelling
[16:23] <nosebleedkt_> looool
[16:23] <burro> what a bout a cubesat
[16:23] <burro> how much more energy would you need to get to the moon from a low cubesat orbit
[16:24] <burro> personaly, i'd pack my payload on a burro and kick it's ass :P
[16:24] <russss> well that depends on your definition of "get to the moon"
[16:24] <nosebleedkt_> ok ok
[16:24] <nosebleedkt_> no one can get me
[16:24] <nosebleedkt_> how was voyager
[16:24] <nosebleedkt_> they kicked out of earth and now its travelling
[16:25] <SamSilver> yip
[16:25] <nosebleedkt_> do the same with a small payload
[16:25] <russss> you need ~3km/sec of delta-V to get from LEO to the moon I think. If you ignore the whole slowing down thing.
[16:25] <burro> with its juicy Plutonium fuell source
[16:25] <Zuph> http://en.wikipedia.org/wiki/Delta-v_budget
[16:25] <nosebleedkt_> no need to land
[16:25] <nosebleedkt_> just to travel alone
[16:25] <nosebleedkt_> in space
[16:25] <Zuph> Need ~ 5.4 km/s of delta-V to get from LEO to Moon.
[16:25] <russss> oh yeah, this diagram http://en.wikipedia.org/wiki/File:Deltavs.svg
[16:25] <russss> I tidied that up
[16:25] <nosebleedkt_> getting energy from sun
[16:25] <Zuph> It's half again as difficult to go from Earth to Moon as Earth to LEO.
[16:26] <nosebleedkt_> and sending telemetry
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[16:27] <russss> Zuph: yeah that's 5.4km/sec to go from LEO to lunar orbit
[16:27] <Zuph> Getting stuff into orbit is hard. Getting it up and out is harder still.
[16:27] <russss> but I think you only need 3km/sec to put you into the lunar free return trajectory
[16:28] <SamSilver> nosebleedkt_: like these > http://www.google.co.za/imgres?q=iss+solar+panels&hl=en&client=firefox-a&hs=aPD&sa=X&rls=org.mozilla:en-US:official&biw=1280&bih=657&tbm=isch&prmd=imvns&tbnid=fzqgeJFZKaVmvM:&imgrefurl=http://www.shuttlepresskit.com/iss_ovr/&docid=E7xUR2tLaYRENM&imgurl=http://www.shuttlepresskit.com/images/iss/iss_top.jpg&w=550&h=412&ei=l87oTuKSB4inhAeDodG7Cg&zoom=1&iact=hc&vpx=196&vpy=157&dur=793&hovh=194&hovw=259&
[16:29] <SamSilver> opps sorry did not know it was that big a url
[16:29] <Zuph> Sounds about right, russss
[16:29] <nosebleedkt_> :P
[16:30] <nosebleedkt_> bye bye go home!
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[16:30] <SamSilver> I think he was smoking his socks again
[16:30] Action: Laurenceb wonders about putting a cubesat into geo
[16:31] <Laurenceb> lol
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[16:35] <WillDuckworth> lol SamSilver
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[16:56] <Lunar_Lander> hello
[16:57] <Zuph> Morning, Lunar_Lander
[16:58] <Lunar_Lander> hello Zuph
[16:58] <Lunar_Lander> how are you feeling today?
[16:59] <Zuph> Hah, A bit melancholy, for sure.
[16:59] <Lunar_Lander> yeah, I can imagine
[17:00] <eroomde> Zuph: SP circumnavigation
[17:00] <eroomde> you're further ahead than most
[17:01] <Zuph> eroomde: Technically, k6rpt was SP :-p
[17:02] <Zuph> But you're right. Allow me a bit of a pity party, then I'll be ready to jump back into it. Hopefully the others are as enthused.
[17:02] <Lunar_Lander> yeah
[17:02] <Lunar_Lander> but still you got the flagship so to speak
[17:02] <Lunar_Lander> with all the science
[17:03] <Lunar_Lander> :)
[17:03] <Zuph> Also true. It'd be nice to figure out how to make distance flights like this reliable and repeatable.
[17:04] <Zuph> "First" definitely had a siren's call to it, though.
[17:04] <Zuph> And good show to CNSP, definitely.
[17:05] <Lunar_Lander> yeah
[17:05] <Lunar_Lander> and
[17:05] <Lunar_Lander> IT IS DONE
[17:05] <Lunar_Lander> :)
[17:07] <Zuph> Have to send a bottle of Champagne their way. Or maybe bourbon would be more appropriate.
[17:07] <Lunar_Lander> yeah
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[17:17] <Lunar_Lander> OK, cu later
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[18:16] <NigeyS> evening James
[18:16] <jcoxon> evening
[18:16] <jcoxon> everyone still recovering from the past 3 days?
[18:16] <NigeyS> haha think so
[18:16] <jcoxon> so awesome
[18:17] <NigeyS> just working out their masses now, 150g payload, and 4oz of positive lift, makes it 263.2grams in total that the balloon was filled for
[18:17] <SamSilver> zzzzzzzzzzzz
[18:17] <NigeyS> hey Sam
[18:18] <SamSilver> Hi NigeyS
[18:19] <SamSilver> I am well on the way to my first payload
[18:19] <NigeyS> great! :D
[18:20] <SamSilver> looking forward to losing my virginity
[18:20] <NigeyS> aww bless...lol
[18:20] <SamSilver> and getting spelling leasons
[18:20] Nick change: burro -> mazoo
[18:20] <eroomde> use latex the first few times
[18:20] <eroomde> until you know what you're doing
[18:20] <SamSilver> lol
[18:20] <NigeyS> hey Ed
[18:22] <SamSilver> in the words of the "mythe buster guy" you can never have tooooo much lube!!
[18:23] <SamSilver> myth
[18:24] <NigeyS> lol
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[18:35] <NigeyS> Evening Steve
[18:36] <daveake> Steve .... finally got Buzz back this morning :-). Royal Fail left him with a neighbour without telling me ...
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[19:18] <NickB_> hello everyone
[19:19] <NigeyS> hey :)
[19:19] Paradoxial (~Paradoxia@pool-108-28-22-94.washdc.fios.verizon.net) joined #highaltitude.
[19:20] <NickB_> first time i say something here :)
[19:20] <NickB_> I'm from Belgium
[19:20] <NigeyS> ahh, dont be shy :)
[19:20] <NickB_> currently building my first payload
[19:20] <NigeyS> good stuff, how are you finding things ?
[19:21] <NickB_> its going well
[19:21] <NickB_> I'm building a shield for the arduino mega
[19:22] <NickB_> contains Lassen iQ, SD, NTX2 an some I/O
[19:22] <NigeyS> oh nice!
[19:23] <NickB_> hte UKHAS website helped me a lot :)
[19:23] <NickB_> *the
[19:23] <NigeyS> yeah the Wiki is full of helpful things
[19:25] <NickB_> do you know of any other project from Belgium ?
[19:25] Nick change: SAIDias -> W0OTM
[19:25] <jcoxon> NickB_, yeah there is a university projcet
[19:25] <jcoxon> Howest
[19:27] <NickB_> oh thank you
[19:27] <NickB_> found their website
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[20:16] <cuddykid> calling php coding gurus!
[20:16] <cuddykid> does anyone know why this doesn't work? & preg_match('/<div style=\"padding: 12px 0px 0px 0px;\"><strong>#</strong>/', $content, $match);
[20:16] <cuddykid> content variable is correct; yet $match just remains null
[20:18] <Hes> The regexp is not looking for anything that would be filled to $match
[20:18] <Hes> there's no ( or ) in the regexp
[20:18] <jcoxon> http://ready.arl.noaa.gov/hysplitout/15554_trj001.gif
[20:19] <x-f> why do you escape "?
[20:19] <cuddykid> Hes: I didn't think it needed an or?
[20:19] <x-f> cuddykid, he mean't parethesis :)
[20:19] <cuddykid> x-f: I thought " would terminate the regexp..
[20:19] <cuddykid> ohhh!
[20:20] <cuddykid> got you :D, thanks
[20:20] <Hes> You'd use '/foo(bar)baz/' on a string 'foobarbaz' and $match[1] would contain 'bar'
[20:21] <cuddykid> Hes: thank you! I'm such a noob with php
[20:22] <Hes> i'll try to make that my last regexp reply here, since this is not #php or #perl :)
[20:22] <cuddykid> yeah, I know I was drifting off topic :( sorry all! - Just knew there would be good coders here :D
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[20:24] <Hes> jcoxon: How was that generated?
[20:24] <Hes> ah, found it!
[20:25] <jcoxon> oops
[20:25] <jcoxon> that was copied in teh wrong window
[20:25] <jcoxon> interesting hysplits
[20:27] <fsphil> hmm.. my laptop has decided wifi is overrated
[20:28] <Laurenceb_> ok that was different
[20:29] <Laurenceb_> just hitched a lift from a random lorry driver
[20:29] <Laurenceb_> without getting murdered
[20:29] <jcoxon> i suspect you can't do that too often
[20:29] <jcoxon> fate will get you eventually
[20:29] <Laurenceb_> lol
[20:29] <Laurenceb_> missed the bus i needed
[20:30] <Laurenceb_> was stuck in birmingham :S
[20:30] <fsphil> worth the risk then
[20:30] <Laurenceb_> lol
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[20:30] <fsphil-laptop> ah, there we go
[20:31] <Laurenceb_> i need to get a car
[20:31] <Laurenceb_> like.. last year
[20:32] <fsphil-laptop> ebuyer .. "philip, get free delivery" ... me ... "ok, how much for delivery for a gfx card... " .. ebuyer .. ."For you, £20"
[20:41] <daveake_> Special offer, obviously
[20:42] <fsphil> at that price, it should get it's own seat on the jet
[20:43] <daveake_> Maybe it's going by Ryan Air. The seat is £5, plus £15 for paying
[20:43] <fsphil> I'm replaying some of the recorded hadie:4 data -- weirdly I can decode a lot more if I have the shift at 450Hz -- it's suppose to be 350
[20:43] <fsphil> lol
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[21:02] <Laurenceb_> slashdotted
[21:03] <Hes> oh crap
[21:03] <Upu> uh oh
[21:03] <Hes> I'd better start preparing another blade
[21:04] <jcoxon> Hes, you run aprs.fi?
[21:06] <Hes> yup
[21:06] <jcoxon> oh wow
[21:06] <jcoxon> one brilliant website
[21:07] <jcoxon> as we don't use aprs in the UK for our balloon flights we have our own version :-p
[21:07] <Upu> hi Hes
[21:07] <Hes> the content is brilliant, thanks to you guys flying balloons, it makes coding fun for me :)
[21:07] <jcoxon> http://spacenear.us/tracker/
[21:07] <jcoxon> so we have a setup where people listen in, its freq and protocol variable
[21:07] <jcoxon> so anything that fldigi can decode
[21:08] <jcoxon> Hes, altitude graphs - thats what you need to add :-p
[21:09] <Zuph> K6RPT will be tough for us to beat great circle: http://www.gpsvisualizer.com/display/1323896369-00325-74.164.245.158.html
[21:09] <Upu> "Too bad K6RPT is breaking so many of their licence terms doing this."
[21:09] <Hes> oops, it's missing? Dang.
[21:09] <Upu> seriously
[21:09] <Upu> someone remind them they are secondary users pls
[21:09] <jcoxon> Upu, best not get involved
[21:09] <Upu> yeah don't worry :)
[21:10] <fsphil-laptop> gpsl list kicking off again?
[21:10] <Upu> no QRZ
[21:10] <fsphil-laptop> aah
[21:10] <Upu> jsut one person actually
[21:10] <Laurenceb_> lol
[21:10] <Laurenceb_> ham flamewar kicked off
[21:10] <Laurenceb_> never saw that coming
[21:10] <Hes> hah
[21:11] <jcoxon> Hes, shall we send you a balloon?
[21:11] <mattltm> Upu: link?
[21:11] <jcoxon> float one over to finland
[21:11] <Upu> http://forums.qrz.com/showthread.php?324759-Amateur-Radio-Balloon-crosses-the-Atlantic
[21:11] <mattltm> ta :) Always up for a giggle :)
[21:12] <Upu> I suspect he wasn't actually but hey ho you can always rely on HAms to piss on the bonfire
[21:13] <Upu> jet stream would have to be going up for that jcoxon :)
[21:13] Action: jcoxon is playing with hysplit
[21:13] <hibby> oh god
[21:14] <hibby> mm1ewa is involved... he's useless.
[21:14] <Hes> jcoxon: Yes please!
[21:14] <mazoo> i find him useful
[21:14] <jcoxon> will work on it
[21:14] <Hes> Today I couldn't help but google for balloon sources, and the local ham irc channels appear to be looking for trackers and helium too...
[21:15] <jcoxon> Hes, you seen wiki.ukhas.org.uk?
[21:15] <hibby> mazoo: wait till you talk to him on a radio ;)
[21:16] <Hes> The Register, Slashdot *and* QRZ all bring in more visitors than slashdot during the past 30 minutes (google analytics real-time referrers view). I wonder if Slashdot has lost their users to twitter and fb...
[21:16] <Hes> jcoxon: No, but I saw it mentioned here today and cut & pasted it down :)
[21:16] <jcoxon> its got quite a bit of info
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[21:18] <Upu> Any problems with the limitations on Google maps Hes ?
[21:19] <Upu> I hear they restricted the usage of it
[21:20] <mattltm> yes they did. Then they done a u turn.
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[21:20] Nick change: GeekShad1w -> GeekShadow
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[21:28] <Hes> It would have been a problem, but some hams working there kindly arranged aprs.fi a free ride
[21:28] <NigeyS> nicey! :D
[21:28] <jcoxon> hooray
[21:29] <daveake_> :)
[21:29] <Hes> They would have charged me $68/day at current normal load... $2040/month
[21:29] <jcoxon> ouch
[21:29] <Hes> which would have been... um... prohibitive
[21:30] <NigeyS> that's slightly expensive :|
[21:31] <Upu> ouch
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[21:35] <Elwell> ah Hes == aprs.fi person? if so "Ta!" :-)
[21:36] <NigeyS> hey Elwell !
[21:39] <Zuph> Fortunately for slashdottable sites (WhiteStar, SpaceNear), you have to exceed the limits for 90 consecutive days to fall into that category.
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[21:48] <Hes> slashdot used to kill one's server just by the sheer number of visitors killing your own server... but seems like it's not that bad any more
[21:50] <Hes> I do have nginx and memcached and all that cool jazz to handle load spikes... it's not too bad when a lot of people want to look at the same single station, since it's all available in memory.
[21:50] <doughecka> because nobody reads slashdot anymore
[21:51] Action: doughecka ducks
[21:51] <Zuph> heh
[21:52] <russss> Hes: so, what's the issue with defaulting to openstreetmap?
[21:52] <russss> (aprs.fi is awesome btw)
[21:52] <Zuph> Hes: You hosting your own, or have you offloaded it to "The Cloud"?
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[21:55] <Hes> russss: Answer should be http://blog.aprs.fi/2011/11/using-aprsfi-for-sar-ares-or-other.html
[21:56] <Hes> doughecka: That's my guess too.
[21:56] <russss> oh, I missed that
[21:57] <Hes> Lynn, who makes APRSIS32 software, got a note from the OSM tile server folks that he should make some "other arrangements" to serve map image tiles than using public OSM tile servers
[21:57] <Hes> and aprs.fi has much higher load than what he's generating... I'd have to set up and run my own tile server, or buy the tile server capacity from somewhere
[21:58] <Zuph> Nevermind the sheer magnitude of differences between the google API and OSM/OpenLayers
[21:59] <russss> have you looked at mapstraction for handling that? I know it didn't used to be very good but I hear it's improved recently
[21:59] <Hes> Zuph: Exactly, that's the biggest barrier, it'd be a largish rewrite effort, and I'd probably have to recreate a bunch of stuff that comes "free" with the google API.
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[21:59] <Lunar_Lander> hello
[21:59] Action: russss is just curious rather than trying to naively suggest things
[22:00] <Hes> I have to say that google's v3 API is rather excellent, it loads fast and progressively (as more things are needed, it loads more), good for mobile device support
[22:00] <Zuph> Hes: I actually really like the OpenLayers API. Seems like it has a lot more batteries included for parsing data.
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[22:01] <Hes> Interesting. I have to admit that I haven't really looked into it lately.
[22:01] <russss> oh yeah there's openlayers too.
[22:01] <russss> gmm
[22:01] <russss> hmm
[22:02] <Hes> Zuph: I'm hosting my own, we have a hobby hosting site nearby
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[22:02] <Hes> run by professionals for their own and friends use
[22:02] <russss> it would certainly make me nervous writing lots of code today which depends on the google maps API given their new fee scheme
[22:03] <Hes> so it's better quality than most professional hosting sites, more pride put into it :)
[22:03] <Zuph> heh
[22:03] <Zuph> I'm using OpenLayers for the White Star tracker. I intend to use the google tiles, but it makes it easier to parse data in the user's browser.
[22:04] <Hes> I run the DNS systems and occasionally do routing magic, especially IPv6
[22:04] <Hes> russss: Right, it does make me nervous too
[22:05] <Hes> but it's certainly possible to switch when the need really arises
[22:05] <Hes> it'll just take some work, and some features will be gone, for a while if not permanently
[22:08] <Zuph> Actually with the help of a push-data provider, hopefully the white star tracker will be a completely static page.
[22:09] <Hes> I've been playing with that idea a bit, even briefly tested one framework to do that
[22:10] <Zuph> Makes server logistics dead simple.
[22:10] <Hes> but a lot of the data being updated is not tracked in real-time at all by anyone on aprs.fi, most of the processing happens due to history lookups
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[22:10] <Hes> ... normally, that is ...
[22:11] <Laurenceb_> http://www.rapidonline.com/Education/Van-de-Graaff-generator-77620
[22:11] <Laurenceb_> hmm
[22:11] <Zuph> ah ha
[22:11] <Laurenceb_> *evil laughter*
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[22:13] <Zuph> Alright, time to leave work.
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[22:18] <Lunar_Lander> the other good news is
[22:19] <Lunar_Lander> my uni produced two new Ph.D. people
[22:19] <Lunar_Lander> :)
[22:19] <Lunar_Lander> today
[22:19] <Hes> Congrats!
[22:19] <Lunar_Lander> yeah :)
[22:20] Zuph (~Zuph@adsl-074-164-245-158.sip.sdf.bellsouth.net) left irc: Ping timeout: 245 seconds
[22:20] <Lunar_Lander> one biochemist from China
[22:20] <Hes> "Twitter is over capacity."
[22:20] <Lunar_Lander> and one Physicist from Germany
[22:20] <Lunar_Lander> but I'm not that guy
[22:20] <Lunar_Lander> my turn comes around 2018
[22:20] <Lunar_Lander> xD
[22:20] <Wil5on> wow
[22:20] <Hes> I created an account for aprs.fi on twitter and published it on aprs.fi's facebook page. There's slashdot effect for you. :)
[22:20] <Lunar_Lander> :P
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[22:32] <Laurenceb_> http://www.valueplastics.com/search/search.aspx
[22:32] <Laurenceb_> wow
[22:33] <Laurenceb_> its like christmas
[22:33] <Laurenceb_> huge MOQ for the nice stuff :(
[22:34] <NigeyS> oo you can build a part too
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[22:34] <Laurenceb_> ah west group stock the parts
[22:35] <Laurenceb_> west group have been really helpful before - sent me free samples
[22:35] <NigeyS> schweet
[22:36] <SpeedEvil> Neat
[22:37] <Lunar_Lander> what does west group produce?
[22:38] <Laurenceb_> nothing
[22:38] <Laurenceb_> they stock other peoples parts
[22:38] <Lunar_Lander> oh ok
[22:38] <Laurenceb_> pneumatics/hydraulics
[22:39] <Lunar_Lander> cool
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[22:39] <SpeedEvil> Oooh.
[22:40] Action: SpeedEvil checks /.
[22:40] <SpeedEvil> cool
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[22:43] <snelly> so where can i get a Hwoyee balloon?
[22:43] <jcoxon> snelly, where are you?
[22:43] <snelly> Colorado, USA
[22:43] <jcoxon> scientific sales
[22:43] <snelly> they don't list any hwoyee products
[22:43] <snelly> do you just call them?
[22:44] <snelly> at least, the products they list aren't labeled as Hwoyee
[22:44] <jcoxon> yeah they look like they are out
[22:45] <snelly> :(
[22:46] <jcoxon> haha
[22:46] <jcoxon> so
[22:47] <jcoxon> you know that we struggle to send a balloon back to the states
[22:47] <jcoxon> cause the winds etc
[22:47] <jcoxon> how about this:
[22:47] <jcoxon> http://ready.arl.noaa.gov/hysplitout/11593_trj001.gif
[22:48] <NigeyS> haha James that'd be frikkin awsome!
[22:48] <jcoxon> a few counties we shouldn't really fly over
[22:48] <jcoxon> but to prove a point
[22:49] <jcoxon> thats a launch from EARS
[22:49] <natrium42> do it
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[22:49] <NigeyS> meh .. in the name of science.. do it :p
[22:49] <russss> not much coverage round where that's going
[22:49] <NigeyS> sat comms ?
[22:51] <jcoxon> could do
[22:51] <russss> you'd need a lot of batteries
[22:52] <Lunar_Lander> I was wrong when I told people that contact was lost over the mediterranean
[22:52] <Lunar_Lander> the balloon splashed down, right?
[22:53] <russss> yes
[22:53] <Lunar_Lander> ah
[22:53] <russss> the last packet was at 14k ft
[22:53] <russss> on the way down
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[22:59] <snelly> sweet
[22:59] <snelly> the lady from scientific sales just called
[22:59] <snelly> ordering mine now
[22:59] <russss> that's good service
[22:59] <snelly> for sure.
[22:59] <snelly> getting 2 x 1600 gm
[22:59] <snelly> i figure i will put a big fat ridiculous payload on one
[22:59] <russss> those hwoyee 1600s are getting quite the reputation
[22:59] <snelly> what about the bigger ones
[23:00] <Hes> How much are they?
[23:00] <jcoxon> they get expensive
[23:00] <snelly> $395 for the 3000gm
[23:00] <snelly> $125 for 1600
[23:00] <Randomskk> sounds about right
[23:00] <snelly> $225 for 3000
[23:01] <snelly> no, 395
[23:01] <snelly> ugh!
[23:04] <jcoxon> yeah 1600g is prob the best for your money
[23:05] <snelly> yeah, i figure
[23:05] <snelly> they say it can lift 4-5 lbs to 125Kft
[23:05] <snelly> i should be able to keep my payload under that
[23:05] <jcoxon> in europe probably rocketboy is your best source
[23:05] <snelly> dunno, with the GoPro camera :P
[23:06] <snelly> it sounds like Energizer lithiums are the way to go
[23:06] <jcoxon> oh yes
[23:06] <snelly> wonder if i should use AA or C
[23:06] <jcoxon> they only have AAs i think
[23:06] <jcoxon> well AA and AAAs
[23:07] <Hes> rocketboy?
[23:07] <snelly> advanced lithium or ultimate lithium?
[23:07] <Hes> is he a reseller?
[23:07] <jcoxon> http://randomaerospace.com/Random_Aerospace/Welcome.html
[23:07] <jcoxon> yeah
[23:08] <snelly> so stoked i got my ballons
[23:09] <snelly> now to decide: do i want to do the Arduino + Argent Data Shield
[23:10] <jcoxon> snelly, pah you can do better then that
[23:10] <snelly> or do i build a custom board with SRB-MX146 and Argent Data OT1+ surface mount IC
[23:10] <jcoxon> or use a HX-1
[23:10] <snelly> hx-1?
[23:10] <jcoxon> radiometrix hx-1
[23:10] <snelly> i like to roll my own things
[23:10] <jcoxon> people use that as the radio
[23:10] <snelly> oh, i have lots of radio options
[23:10] <jcoxon> you'll need to interface it with the arduino
[23:10] <jcoxon> works very well
[23:10] <snelly> main tracker will be my BigRedBee 2M
[23:11] <snelly> but for my alternate tracker (primary control/telemetry) i want to homebrew
[23:11] <snelly> I have an Alinco DJ-C5 that I modded for external power and antenna
[23:11] <Hes> I should write down the specification for aprs base91 comment telemetry
[23:11] <snelly> yes
[23:11] <snelly> i need to figure out base91 coordinate conversion for Arduino/C
[23:12] <Hes> aprs.fi can nowadays decode telemetry channels from the comment field of position packets... it could have plot the voltages of the balloon nicely
[23:12] <snelly> Hes: not really
[23:12] <snelly> it can't seem to decode mine
[23:12] <Hes> some byonics trackers transmit it already
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[23:12] <Hes> yes, really
[23:12] <snelly> My Argent Data T2-301 transmits temperature and voltage but it doesn't decode:
[23:12] <snelly> http://aprs.fi/info/NW5W-2
[23:13] <Darkside> the horus ones do it too
[23:13] <snelly> Comment: 13.9V 49F http://nw5w.com/2 - Argent Data T2-301
[23:13] <Hes> that's right, it's not transmitting it in the new base91 comment telemetry format
[23:13] <snelly> ah
[23:13] <snelly> APRS is such a damned hack
[23:13] <Hes> putting some random numbers in the comment is not really parseable :)
[23:13] <Hes> yes, it is
[23:13] <Darkside> http://aprs.fi/telemetry/a/VK5ZM-11?range=month
[23:13] <Hes> i should write the spec so that it could be implemented in more devices
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[23:14] <snelly> so i could use this DJ-C5 and a small homebrew board with the OT1+ SMT chip
[23:14] <snelly> and maybe some 1-wire DS18S20's
[23:14] <snelly> i don't know how to do DTMF cut-down
[23:14] <snelly> not with a standard TNC anyway
[23:15] <Darkside> we already have a ridiculously small APRS tracker going
[23:15] <Darkside> smaller than the one the CNSP people used too
[23:16] <snelly> i'm just looking for something that i can homebrew somewhat...and that has good tx quality
[23:16] <snelly> radiometrix > SRB ???
[23:16] <Darkside> we use the HX1 modules
[23:16] <Hes> z.
[23:17] <Darkside> http://i.imgur.com/bemCm.jpg
[23:17] <Darkside> theres the thing sitting in its payload box
[23:17] <snelly> nice
[23:17] <snelly> what is that green board
[23:18] <Darkside> http://rfhead.net/wp-content/uploads/2011/09/MicroAPRS.jpg
[23:18] <snelly> the little red board w/ the sparkfun logo... is that a LiPo reglator or something?
[23:18] <Darkside> one of those
[23:18] <Darkside> yeah the red board is a 5v switchmode boost
[23:18] <Darkside> problem we found is the HX1 modules need a regulated 5v supply
[23:18] <snelly> i've never seen that green board
[23:18] <Darkside> snelly: its custom
[23:18] <Darkside> i designed it
[23:18] <snelly> nice.
[23:19] <snelly> so you use the regulator to boost 3 x AA or something to 5V?
[23:19] <Darkside> 2xAA
[23:19] <Darkside> its a bit of a hack actually, the board was designed originally for RTTY
[23:19] <Darkside> but with the right radiometrix module it can do APRS
[23:20] <snelly> Darkside: can't find that on the Sparkfun site
[23:20] <Darkside> snelly: i cant remember what its called
[23:20] <Darkside> it uses a some TPS chip
[23:20] <Darkside> its actually a longer board
[23:20] <Darkside> we just chopped it
[23:20] <snelly> i do have some switching regulators from Dimension Engineering
[23:21] <Darkside> but anyway, that payload does proper APRS telemetry
[23:21] <Darkside> its a modification to the trackuino code
[23:22] <Darkside> http://code.google.com/p/project-horus/source/browse/#svn%2Ftrunk%2Ftrackuino
[23:22] <snelly> ah
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[23:22] <snelly> Damn
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[23:22] <snelly> that's rather awesome
[23:22] <Darkside> as trackuino wasnt properly compliant with the spec
[23:22] <Darkside> now it is
[23:22] <snelly> if you have the board :)
[23:22] <snelly> i take it that this code is for a custom board only
[23:23] <Darkside> nah that code could work on any board really
[23:23] <Darkside> you'd need to change a few pin configs
[23:23] <Lunar_Lander> hi Darkside
[23:23] <Darkside> hi Lunar_Lander
[23:24] <Darkside> snelly: the code is somewhat customised for a ublox gps, as it sends the airborne mode stuff on boot, which other GPSes may balk at
[23:24] <snelly> Darkside: have you ever figured out DTMF decoding?
[23:24] <Darkside> but apart from that you could get it working on other boards pretty easily
[23:24] <Darkside> snelly: we've been working on it...
[23:24] <Darkside> radiometrix BiM2 module + DTMF decoder IC
[23:25] <snelly> i wish i had a good TNC-on-a-chip that supported it
[23:25] <Darkside> the plan with our cutdown was to have it standalone
[23:25] <Darkside> all it would do is send out some 'i am alive' beeps
[23:25] <snelly> true
[23:25] <Darkside> then accept the DTMF command and cutdown
[23:26] <snelly> it just seems like it would be so easy to use an existing TNC that had the ability to supply enough voltage to trip a relay
[23:26] <snelly> err current
[23:26] <Darkside> but then it would be bigger
[23:27] <Darkside> the plan here was to make it cheap
[23:27] <Darkside> because we'd keep it with the balloon
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[23:27] <snelly> i plan on launching two balloons
[23:28] <snelly> the first will be a full-blown dual-beacon payload string with cameras and all that crap
[23:28] <snelly> the second, i want to do a super-light low-lift balloon ala K6RPT-11
[23:28] <Darkside> the K6RPT thing was certainly a fluke
[23:29] <Darkside> we've done a launch with almost exactly the same specs as that
[23:29] <snelly> even if i could duplicate their california-to-illinois flight
[23:29] <Darkside> same payload weight, same balloon type
[23:30] <snelly> what are you using for an antenna?
[23:30] <snelly> i've built out a few slim jim antennas with twin-lead
[23:30] <snelly> dunno if that's the ticket or not
[23:30] <Darkside> for 70cm, 1/4 wave monopole
[23:30] <Darkside> 2m, diamond flexible whip antenna, with a small ground plane
[23:30] <Darkside> we want more radiation down, not out
[23:31] <snelly> why?
[23:31] <Darkside> the problem with a slim jim is it'll radiate only to the horizon
[23:31] <Darkside> we want to be able to hear this thing from below it, which is where we'll be
[23:31] <snelly> but that seems to have worked for K6RPT-11
[23:31] <snelly> oh, yes
[23:31] <Darkside> it'll radiate enough to the horizon to be picked up by digis anyway
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[23:32] <snelly> so for the big payload with the cameras, i would try something like that
[23:32] <Darkside> we proved that on our last launch
[23:32] <jcoxon> hmmm my ncp step up can't cope with my ublox booting
[23:32] <snelly> which diamond model, do you remember?
[23:32] <Darkside> snelly: it may have been a comet actually
[23:32] <Darkside> theres some flexible diamond antennas with sma connectors on them
[23:32] <Darkside> jcoxon: uh oh
[23:32] <snelly> this one looks a little heavy: http://www.diamondantenna.net/m285.html
[23:32] <Darkside> we wer eplanning on using one of those
[23:32] <Darkside> snelly: nah
[23:32] <Darkside> hang on
[23:33] <snelly> http://www.diamondantenna.net/srh940.html
[23:33] <snelly> http://www.diamondantenna.net/srh77ca.html
[23:33] <Darkside> hmm
[23:33] <Darkside> i cant find the one i have on there
[23:33] <Darkside> its similar to the SRH77CA
[23:33] <Darkside> lemme check the antenna
[23:34] <snelly> what do you do for a ground plane? chicken cage wire grid or something?
[23:34] <Darkside> SRH36
[23:34] <Darkside> just 4 radials
[23:34] <Darkside> hmm SRH36 isnt on their sire
[23:34] <Darkside> site
[23:35] <snelly> i take it that your antenna points downwards and the radials point up and out or something
[23:35] <Darkside> pretty much
[23:35] <snelly> and you just soldered them to the SMA connector
[23:35] <jcoxon> Darkside, very frustrating
[23:35] <Darkside> hang on ill try and find a pic of the payload
[23:35] <snelly> thanks
[23:36] <Darkside> snelly: http://vimeo.com/32753872
[23:36] <Darkside> theres one near the start of the video
[23:36] <Darkside> though it mainly shows the UHF payload
[23:36] <Darkside> theres more shots of the other payload at the end of the video too
[23:37] <snelly> awesome
[23:38] <Darkside> the ground radials are quite short, not even 1/4 wave at 2m
[23:38] <Darkside> but it worked well enough
[23:38] <Darkside> the CNSP guys just used a counterpoise going up the balloon string
[23:39] <snelly> i guess you could just use some thin wire for those
[23:39] <snelly> and maybe just put it on a little ring terminal that sandwhiches between the antenna and the SMA female terminal
[23:40] <Darkside> yeah thats our plan for the next one
[23:40] <Darkside> use a longer sma socket and use a washer
[23:40] <Darkside> this one we just used a short length of hard-line and soldered to that
[23:40] <snelly> very cool
[23:53] <jcoxon> Darkside, it seems it can't cope with a single AAA
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[23:53] <jcoxon> works with 2 it seems
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[23:56] <Darkside> jcoxon: which NCP Was it
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[23:56] <Darkside> 1400 or 1402
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[23:57] <jcoxon> 1400 3.3v
[23:57] <Darkside> ahh ok
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[23:57] <Darkside> we were going to use the 1402, which has a higher current rating
[23:58] SpeedEvil (~user@tor/regular/SpeedEvil) left irc: Remote host closed the connection
[23:58] <Darkside> back later
[00:00] --- Thu Dec 15 2011