highaltitude.log.20110309

[00:01] Dooberry (Dooberry@5ad360f1.bb.sky.com) left irc:
[00:04] Action: SpeedEvil is currently breing annoyed at insurance price comparison sites.
[00:04] <SpeedEvil> I have a range of possible answers to the questions.
[00:04] <SpeedEvil> I want to be able tor input that range of answers, and see what gives me the cheapest quote.
[00:04] <juxta> haha
[00:04] <juxta> i'm fairly sure they don't want you doing that
[00:04] <juxta> what sort of insurance?
[00:04] <SpeedEvil> Yeah.
[00:05] <SpeedEvil> It can be legit though.
[00:05] <SpeedEvil> house+contents
[00:05] <SpeedEvil> For example - do I care enough about garage/outbuildings insurance to pay X extra
[00:05] <juxta> oh right - is that typically expensive in the UK?
[00:05] <SpeedEvil> I'm getting quotes in the 170 quid range. $280us?
[00:06] <juxta> that sounds reasonable I think
[00:06] <SpeedEvil> yeah
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[03:55] <Dan-K2VOL1> anyone awake over there for spacenear.us
[03:58] <natrium42> sup?
[04:10] <Dan-K2VOL1> hey alexei
[04:10] <Dan-K2VOL1> Youstill around natrium42?
[04:10] <Dan-K2VOL1> We're running a simulation, and have a bit of a clog in the telemetry chain
[04:11] <Dan-K2VOL1> it appears that our packets are making it to robertharrison.org raw, from orbcomm, but not to the spacenear.us map
[04:11] <Dan-K2VOL1> Or spacenear.us database
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[07:10] <natrium42> hi jcoxon
[07:11] <natrium42> oh, one thing the whitestar guys should do is remove the javascript that detects burst and paints a parachute
[07:11] <jcoxon> hey natrium42
[07:11] <natrium42> as it will probably fail for floaters
[07:12] <jcoxon> very true
[07:12] <jcoxon> just fixing my upload script
[07:12] <jcoxon> natrium42, i can't get SPoT to work
[07:12] <natrium42> eek, how many messages did you send per try?
[07:12] <jcoxon> i followed your settings
[07:13] <jcoxon> i get a valid reply from the device
[07:13] <natrium42> ok, but how many times did you repeat the cycle?
[07:13] <jcoxon> every 10
[07:13] <natrium42> it doesn't get through every time
[07:13] <jcoxon> yeah but i had another spot sitting there
[07:14] <natrium42> ah, but i would still let it run for a while
[07:14] <jcoxon> i did
[07:14] <natrium42> nothing?
[07:14] <jcoxon> about 5 hrs
[07:14] <jcoxon> nothing
[07:14] <natrium42> hrm
[07:14] <natrium42> so you send the init message, right?
[07:14] <jcoxon> yeah
[07:15] <jcoxon> sent the setup message
[07:15] <jcoxon> got a reply
[07:15] <jcoxon> then sent the 'transmit' command
[07:15] <jcoxon> got a reply
[07:16] <natrium42> could you nopaste your code plz?
[07:16] <jcoxon> of course
[07:17] <jcoxon> http://nopaste.info/cdf4eb2575.html
[07:18] <natrium42> http://meine-er.de/media/2010/stacktrace-or-gtfo.jpg
[07:18] <natrium42> :D
[07:18] Action: natrium42 looks
[07:18] <jcoxon> hehe
[07:24] <natrium42> jcoxon: and how does main() look like?
[07:25] <jcoxon> oh on an arduino loop() is main()
[07:26] <natrium42> ah
[07:26] <natrium42> so it starts loop() again after it exits?
[07:26] <jcoxon> yes
[07:27] <jcoxon> so it sends setup, then transmit and then sleeps 10 mins
[07:28] <natrium42> oh, okay
[07:28] <natrium42> then you should set setupmsg[8] = 0x01;
[07:28] <natrium42> still, it should have worked....
[07:29] <natrium42> maybe something broke after halo3 landing
[07:29] <natrium42> :S
[07:29] <jcoxon> its going to be hard to debug :-p
[07:30] <natrium42> hardware hacking is srs biz
[07:31] <jcoxon> the fact that it responds is a good sign
[07:32] <jcoxon> i might measure its current - to see if it draws enough to transmit
[07:32] <natrium42> Renewal Date: 02/05/2012
[07:32] <natrium42> so contract seems fine
[07:32] <jcoxon> and the public page is setup?
[07:32] <natrium42> Product Replacement Program - checked ;) ;)
[07:33] <natrium42> well, it should have emailed me too
[07:33] <natrium42> OK and HELP messages are set to email me
[07:34] <jcoxon> yeah
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[07:35] <jcoxon> for some of the other commands - do they need a data byte
[07:35] <jcoxon> was thinking of polling the device to see if it was trying to transmit
[07:38] <natrium42> i am still worried that i didn't find the correct VCC pin
[07:38] <natrium42> resulting in decreased performance
[07:38] <natrium42> but i didn't have a second spot to test side-by-side
[07:40] <natrium42> what did you do to the borked spot?
[07:40] <natrium42> could delaminate the pcb for SCIENCE
[07:40] <jcoxon> oh the one with the dodgey account?
[07:40] <jcoxon> i may have let some of the magic smoke out
[07:40] <natrium42> you tried hacking one, right?
[07:40] <jcoxon> yeah
[07:41] <jcoxon> i have 3 spots - a complete one, your one and a dead one
[07:41] <jcoxon> natrium42, what about doing this:
[07:42] <jcoxon> sticking one of these inside
[07:42] <jcoxon> http://www.coolcomponents.co.uk/catalog/product_info.php?products_id=609
[07:42] <natrium42> i could look at the borked one, if you can't return it anymore
[07:42] <jcoxon> and just replacing the gps nmea steam
[07:42] <jcoxon> i could run that off the 3.3v supply, connect it to the OK button
[07:43] <natrium42> yeah, you can do that too
[07:43] <jcoxon> and then use it to replace the nmea stream
[07:43] <natrium42> though no alt i this case
[07:43] <jcoxon> i'd need to de activate the old gps i guess
[07:43] <natrium42> that's easy, just cut two traces
[07:44] <jcoxon> :-)
[07:44] <jcoxon> which :-p
[07:44] <natrium42> not sure if you can disable power easily
[07:44] <jcoxon> i could go resistance probing
[07:44] <jcoxon> on the old one
[07:44] <natrium42> http://natrium42.com/projects/spot/images/spot-schematic.jpg
[07:45] <natrium42> TX_B and RX_B are GPS
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[07:46] <jcoxon> do we know if they have a friendly test point?
[07:46] <natrium42> yes, they do, you can probe them
[07:47] <natrium42> eh, it's actually the "combined" serial
[07:47] <natrium42> stupid MSP chip having only one UART
[07:47] <jcoxon> of course - your hack we just select the STX2 don't we
[07:47] <natrium42> but you could disconnect the GPS lines from those switching chips
[07:47] <natrium42> and connect your own
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[07:48] <natrium42> then it will still switch between them just fine
[07:48] <jcoxon> so would i target the actual pins of the chip?
[07:49] <jcoxon> or recommend going probing
[07:49] <natrium42> actual pins
[07:49] <jcoxon> not many exposed track :-)
[07:49] <natrium42> well, cut the trace near the pin
[07:49] <natrium42> and then solder a wire to the pin itself
[07:49] <jcoxon> eek :-)
[07:50] <natrium42> be liberal with epoxy afterwards, etc...
[07:50] <natrium42> :)
[07:50] <jcoxon> yeah
[07:50] <jcoxon> is this a sensible approach?
[07:50] <jcoxon> or should i just go for the whole hack
[07:51] <natrium42> it's easier to revert :)
[07:51] <jcoxon> yeah
[07:51] <natrium42> only two cuts
[07:51] <jcoxon> also natrium42 i'm relaying the nmea stream...
[07:51] <jcoxon> so whats to stop me corrupting the lat/lon to actually send alt
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[07:51] <natrium42> you could, i guess
[07:52] <natrium42> if you can detect when
[07:52] <natrium42> could monitor the flow control lines
[07:53] <jcoxon> my thinking was that the parasite mcu just provides lat/lon for 10minutes after sending an OK
[07:53] <jcoxon> then it aborts the transmission and switches to alt for 10mins
[07:53] <jcoxon> we can identify on the other side which is which
[07:53] <natrium42> yeah
[07:53] <natrium42> you could even power cycle the spot
[07:53] <jcoxon> yeah
[07:53] <natrium42> then you know where you are
[07:53] <natrium42> in the cycle
[07:54] <natrium42> might be better then
[07:54] <jcoxon> i might use an RFbee
[07:54] <jcoxon> then i can self contain it within the SPoT
[07:54] <jcoxon> seal it up
[07:55] <natrium42> ah
[07:55] <natrium42> oh, what did you use for power source, btw?
[07:55] <natrium42> we have no idea how sensitive spot is
[07:55] <jcoxon> ld333v
[07:55] <jcoxon> thats true
[07:56] <natrium42> i think i used that TI step-down converter
[07:56] <natrium42> can you try the tx again with batteries?
[07:57] <jcoxon> connnect 2 lithiums to the main battery points?
[07:57] <natrium42> well, 3V battery
[07:57] <jcoxon> can't really see through your epoxy
[07:58] <natrium42> to the VCC line
[07:58] <jcoxon> current draw is potentially a big issue
[07:58] <jcoxon> considering they advise energizer lithiums
[07:59] <natrium42> it's because they rate it for high and low temps
[07:59] <natrium42> it draws 100mA when sending, not a lot
[07:59] <jcoxon> it gets grumpy if you don't put the right batteries in
[07:59] <natrium42> oh?
[07:59] <jcoxon> so you think 3.3v is too much
[07:59] <jcoxon> natrium42, yeah it flashes red at you
[07:59] <jcoxon> (on a working version)
[07:59] <eroomde> morning
[07:59] <natrium42> eek
[08:00] <natrium42> so maybe power is a valid concern then
[08:00] <natrium42> hi eroomde
[08:00] <jcoxon> well the reg i switched to can provide quite a bit
[08:00] <natrium42> it's not noisy or anything, right?
[08:00] <jcoxon> its got caps
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[08:04] <natrium42> jcoxon: it would be even smoother to reprogram the MSP chip
[08:05] <natrium42> http://focus.ti.com/lit/ds/symlink/msp430f2274.pdf
[08:05] <jcoxon> i thought they had blown the fuse :-)
[08:05] <jcoxon> okay - i've ordered a few things
[08:05] <jcoxon> i think i might take the parasite route
[08:06] <jcoxon> thanks for the help natrium42
[08:06] <jcoxon> time for work
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[08:07] <natrium42> stupid fuse...
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[10:28] <Dooberry> morn.
[10:30] <fsphil> in'
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[10:43] <Dooberry> I like what you did there.
[10:53] <fsphil> too early in the morning for complete words :)
[11:03] <Dooberry> indeed. I base my definition of early morning by Jeremy Kyle
[11:03] <Dooberry> if it's during or before Jeremy Kyle, it's early morning.
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[11:26] <Laurenceb_> jeremy what?!
[11:26] <Laurenceb_> die die die die
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[11:33] <fsphil> jeremy vile
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[11:39] <Dooberry> But it's like a gateway into another world
[11:39] <Dooberry> a chavvier world.
[11:39] <Dooberry> Where no-one works, and DNA tests are the norm.
[11:39] <Dooberry> What's not to like?
[11:41] <Laurenceb_> http://regmedia.co.uk/2011/03/09/calculus_problem.png
[11:42] <fsphil> yikes
[11:43] <fsphil> hmm.. there is snow on the mountain not far from here
[11:44] <Dooberry> in N Ireland?
[11:44] <Dooberry> It's been nice and warm here recently, yesterday hit like 12 degrees
[11:46] <Laurenceb_> anyone here know python?
[11:47] <fsphil> Dooberry, yep - there's a really nasty cold wind here atm
[11:51] <Dooberry> Laurence - not I.
[11:52] <fsphil> nor here .. it messes with my head that language
[11:52] <Dooberry> Phil - my parents live in the Isle of Man (not far from NI) and i'm always amazed by its little microclimate.
[11:53] <Dooberry> You look across the sea to the Mountains or Morne and there can be snow on the tops, but in the Isle of Man there's nothing.
[11:54] <fsphil> cool, you can see that far?
[11:55] <fsphil> I know they're fairly close but I didn't think it was close enough to see land
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[12:01] <Dooberry> yeah, although only on a clear day and from the West of the island
[12:04] <fsphil> neat. I've never been to those mountains -- if I do I'll see if I can see the island
[12:04] <fsphil> I've been told some of the scottish islands are visible from the north coast here, but I've never seen them
[12:05] <Dooberry> aye, very possibly. On a really clear day from Snaefell (the highest mountain on the Isle of Man) you can see the Lake District, Snowdonia, Southern Scotland and Northern Island.
[12:06] <Dooberry> It's got to be a bit of a nightmare launching HAB's from NI thinking about it...
[12:06] <Dooberry> unless you live in the South West
[12:08] <fsphil> yes, it is :)
[12:08] <fsphil> needs patience
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[12:31] <fsphil> http://www.geograph.org.uk/photo/1486930
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[12:38] <Dooberry> ahh, nice shot
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[13:13] <Dooberry> Ah ha! Finally fixed Joomla, time for lunch.
[13:16] <fsphil> joomla sounds like .. fun!
[13:17] <Dooberry> Joomla is a pain my @ss, but alas it needs to be done for this website i'm working on
[13:18] <SamSilver> JCE = Joomla Content Editor has some great plugin's
[13:19] <SamSilver> http://www.joomlacontenteditor.net/
[13:19] <Dooberry> aye, i've never used it though. The problems i'm having at the moment is with it's inability to taxonomise any data
[13:20] <Dooberry> so i'm using a plugin to do it
[13:20] <Dooberry> but the plugin has issues with life.
[13:20] <SamSilver> a head scratcher
[13:20] <Dooberry> i'll look into JCE though...the editor looks 100x better than standard
[13:20] <SamSilver> for sure
[13:29] <SamSilver> http://www.arrl.org/news/middle-school-students-to-launch-near-space-balloon
[13:32] <W0OTM> Hello WOrld
[13:35] <fsphil> http://www.penny-arcade.com/comic/2011/3/9/
[13:36] <SamSilver> howdy W0OTM
[13:37] <Dooberry> hey W0OTM
[13:37] <Dooberry> Did you ever get the binbags back btw?
[13:37] <W0OTM> yeah
[13:37] <W0OTM> 3 hrs later
[13:37] <Dooberry> nice, how high do you recon they got?
[13:37] <W0OTM> 81 miles
[13:37] <Dooberry> hahaha!
[13:37] <Dooberry> that's a long way away
[13:37] <W0OTM> im guessing 40k-50k
[13:37] <Dooberry> surely that's a world record for the highest ever binbags...
[13:37] <W0OTM> based on ascent rate before we lost cell coverage
[13:38] <fsphil> do you know how heavy the payload was?
[13:42] <SamSilver> where can i read up about these high flying binbags?
[13:43] <Darkside> W0OTM: wtf? 40k from a binbag?
[13:43] <Darkside> bull
[13:43] <W0OTM> ok
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[13:44] <Darkside> whats their rated burst diameter :P
[13:44] <Darkside> and wheres your gps logs :P
[13:44] <W0OTM> Darkside: im not here to debate it with you
[13:45] <W0OTM> Darkside: IF you would have followed the project you would know know its a guess
[13:45] <Darkside> then link me to the info
[13:45] <Darkside> and show me the gps logs
[13:45] <W0OTM> Darkside: google is your friend
[13:45] <SamSilver> W0OTM: where can I read about these high flying bin bags
[13:46] <W0OTM> Darkside: don't come out here flaming your opinions, then ask me to hold your hand...
[13:47] <W0OTM> Darkside: ill give you a hint through, here in the US, we call them trashbags, not bin bagd
[13:48] <Darkside> i found it on your website
[13:48] <juxta> W0OTM, was that a solar balloon?
[13:49] <W0OTM> Darkside: now, you read, and see the payload, then come back out here and tell me "where my GPS logs are"
[13:49] <Darkside> my phone can log gps locations
[13:49] <W0OTM> Darkside: so you assume everyone elses can too?
[13:49] Action: W0OTM gives your cell phone a high 5
[13:50] <SamSilver> a link please
[13:50] Action: W0OTM really hates arrogant & flaming opinionated people
[13:50] <juxta> SamSilver, i think this is the one: http://www.ihabproject.com/iHAB-3/
[13:50] <SamSilver> thanx
[13:50] <juxta> down the bottom, iHAB3.5
[13:51] <juxta> W0OTM, I think it's most likely the bag levelled out at an altitude and floated along for a while
[13:51] <juxta> to reach altitudes like 40km requires enormous expansion of the balloon envelope
[13:51] <W0OTM> juxta: thats certainly one hypothesis
[13:51] <Darkside> look at the video juxta
[13:51] <W0OTM> juxta: not all the balloons were full, I filled some only half
[13:51] <Randomskk> I wouldn't have thought bin bags could expand at all really?
[13:51] <SpeedEvil> It doesn't require any expansion.
[13:52] <W0OTM> juxta: one full bag was enough to lift the payload
[13:52] <SpeedEvil> It requires expansion of the interior gas.
[13:52] <SpeedEvil> If the balloon is underfilled, then no expansion of the exterior is needed
[13:52] <W0OTM> balloons...lol I mean bags
[13:52] <x-f> juxta, i think he meant 40k feet
[13:53] <Darkside> ok
[13:53] <Laurenceb_> any ptthon gurus about?
[13:53] <Darkside> that clears up a LOT of misunderstanding
[13:53] <Darkside> seriously
[13:53] <Darkside> 40k feet from a binbag, i can understand
[13:53] <Darkside> i'm too used to working in km for altitude, i got confused
[13:53] <juxta> SpeedEvil, sure - but to reach 40km I don't think you'd have enough lift to carry a large enough envelope when underfilled
[13:53] <Darkside> juxta: geet
[13:54] <Darkside> juxta: US.
[13:54] <Darkside> feet
[13:54] <juxta> W0OTM, oh - was that 40k feet?
[13:54] <W0OTM> Darkside: so your "assumption" lead you to come out here and say "wtf? 40k from a binbag?" "bull" Maybe asking "Did you mean feet?" might have been a better choice
[13:54] <Darkside> i'm too used to km, sorry
[13:54] <Laurenceb_> http://paste.ubuntu.com/577846/
[13:54] <Darkside> i see 40-50k and immediately jump to conclusions
[13:55] <Darkside> freaking imperial system
[13:55] <Laurenceb_> ^im getting 'syntax error at line 42' from that code
[13:55] <Laurenceb_> something majorly screwed but i cant see it
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[13:56] <juxta> W0OTM, just watched the video - that looks awesome ascending, haha
[13:56] <Randomskk> Laurenceb_: don't you need like
[13:56] <Randomskk> except:
[13:56] <Darkside> i wonder how it descended
[13:56] <Randomskk> you have a try with no except or anything
[13:56] <Laurenceb_> aha
[13:56] <Darkside> did they all pop at once
[13:56] <W0OTM> juxta: yeah, it was really alot of fun....not much science, but crazy fun
[13:56] <Darkside> W0OTM: were they all popped on landing?
[13:57] <Darkside> i think the guys in the UK did a party balloon launch where one popped and it kind of floated to the ground
[13:57] <W0OTM> no, they all still inflated
[13:57] <Darkside> haha
[13:57] <Darkside> just got a leak somewhere?
[13:57] <W0OTM> dunno
[13:57] <fsphil> or did they cool down?
[13:57] <eroomde> Laurenceb_: what's the pastie showing?
[13:57] <eroomde> I hink I have come late to the party, sorry
[13:57] <fsphil> I bet it would have lifted off the next day if nobody had found them :)
[13:57] <Laurenceb_> some code :P
[13:58] <Darkside> ok, i need to sleep, i have a PhD induction tomorrow...
[13:58] <W0OTM> fsphil: temps above 30k ft were -60f
[13:58] <Laurenceb_> for talking to bluetooth dataloggers
[13:58] <Laurenceb_> Randomskk: thanks, got it now
[13:58] <fsphil> W0OTM, indeed but the sun would have warmed up the gas a bit
[13:58] <fsphil> esp. as the bags are black
[13:58] <Darkside> nn all
[13:59] <fsphil> it's likely it descended pretty slowly
[13:59] <fsphil> night Darkside!
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[14:10] <Laurenceb_> Randomskk: will read block if im at eof?
[14:10] <Laurenceb_> what happens when there is no data avaliable from the bluetooth?
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[15:29] <GW8RAK> Afternoon all. Just been sent this from a friend in Ottawa
[15:29] <GW8RAK> http://www.good.is/post/grassroots-mapping-how-you-can-create-aerial-cartography-for-under-100-and-use-it-to-do-good/
[15:31] <fsphil> now there's an idea
[15:32] <GW8RAK> Looks like a fun thing to do.
[15:32] <fsphil> googles aerial maps of where I live are awful
[15:32] <GW8RAK> Is the limit 100m for a kite? Or 200m?
[15:33] <fsphil> 60m / 200ft
[15:33] <fsphil> according to http://www.thekitesociety.org.uk/KiteRegs.htm
[15:34] <fsphil> actually that's not true
[15:34] <GW8RAK> Just found that as well.
[15:34] <fsphil> http://www.thekitesociety.org.uk/KiteRules.htm
[15:35] <fsphil> it can go above 60m but there are some restrictions
[15:35] <GW8RAK> Although the CAA can approve higher flights.
[15:35] <fsphil> basically it needs to be visible
[15:36] <fsphil> 60m would be enough to get some pretty good images
[15:36] <GW8RAK> Interesting point though. Can an amateur transmitter be flown on it? After all a kite aerial is effectively transmitting at altitude.
[15:36] <GW8RAK> Must check the regs for that one.
[15:36] <fsphil> that would be neat
[15:37] <fsphil> I've heard of antennas being held up by kite or balloon, but the transmitter was still on the ground
[15:38] <GW8RAK> If that is the case, a big kite could lift the coax to an airborne aerial.
[15:38] <fsphil> indeed
[15:39] <fsphil> though there would be considerable loss over 60m of coax
[15:39] <GW8RAK> Just pump more power in at the bottom.
[15:40] <GW8RAK> :0
[15:40] <fsphil> lol, and a pre-amp at the top
[15:41] <SamSilver> 60m antenna for 6om band
[15:41] <fsphil> some have used kites for their 9khz transmissions
[15:42] <GW8RAK> Or a multiple colinear at 70cm
[15:42] <fsphil> ladder-line for 70cm might work
[15:43] <fsphil> if there is such a thing
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[15:53] <spacefelix> STS-133 De-orbit burn on 9:55am CST! http://www.nasa.gov/multimedia/nasatv/index.html
[15:53] <spacefelix> They are landing in an hour. :D
[15:55] <spacefelix> LOL, Star Trek William Shatner/Capt Kirk wakeup call for the STS-133 Astronauts for Discovery's last flight: http://www.youtube.com/watch?v=_ctpwuHjEgo
[15:58] <fsphil> sad that this is the last time
[16:01] <Laurenceb_> http://prefrontal.org/files/posters/Bennett-Salmon-2009.pdf
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[16:32] <staylo> Steps to avoid end-of-STS depression: Look up shuttle program costs, look up unmanned program costs, look up programs cancelled due to budget constraints ;)
[16:32] Action: spacefelix dropkicks staylo. :P
[16:36] <fsphil> simple solution: bigger budget :)
[16:39] <MoALTz_> fsphil: promised and never delivered
[16:40] <fsphil> normal enough :(
[16:40] <spacefelix> We no wants to pay high taxes to fund Buck Rodgers. :P
[16:40] <spacefelix> No bucks, no Buck Rodgers. :PPP
[16:42] <staylo> http://en.wikipedia.org/wiki/File:Nasa_mer_daffy.jpg close enough?
[16:43] <spacefelix> LOLOLOLOLOL!
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[16:57] <spacefelix> Touchdown!
[16:59] <Dan-K2VOL> very nice
[16:59] <spacefelix> Discovery has just been shy of 365 days total in space.
[16:59] <spacefelix> The fleet leader of spaceflight.
[17:00] <fsphil> they should take the last one around the moon a few times, just for the hell of it :)
[17:02] <Dan-K2VOL> what a good landing in what looked like very gusty wints
[17:02] <Dan-K2VOL> da
[17:02] <Dan-K2VOL> winds
[17:04] <SamSilver> g'night
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[17:09] <fsphil> amazing that thing can glide so well
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[17:21] <DanielRichman> http://imgur.com/a/c1YgD data dumped from the NiM2 in receive mode. Transmission was from a ft790r with the good old microphone-to-speaker interface (me keying it up early is the reason that the green (signal str) line rises before data starts, and there's a gap of audio-noise in the middle while I restart the fldigi transmission)
[17:28] <Randomskk> rtty by the looks of it?
[17:28] <DanielRichman> that's 425 shift rtty. And the RSSI line hits the roof since I'm using an internal ~1.6v reference for AF, which won't go higher than that. RSSI goes up to 2v, might have to look at changing the refrence since you have to use the same one for all adc channels
[17:28] <DanielRichman> yeah it's just M0ZDR TESTING TESTING TESTING
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[17:45] <DanielRichman> http://imgur.com/a/WeLtW 16 sample moving averages (1600 samples/s, 50 baud, i.e. 32samples/bit)
[17:46] <Randomskk> I guess one of the harder parts will be having something automatically find the two tones and lock on to them
[17:47] <Randomskk> but eh, that should be totally doable
[17:47] Action: SpeedEvil drops Mr Fourier on Randomskk.
[17:47] <Randomskk> if nothing else, have the transmitter do like a load of Us, then average all those readings and you'll get the centre frequency right off, then you know the shift and you're set
[17:47] <Randomskk> or indeed FFT
[17:47] <Randomskk> well no
[17:47] <DanielRichman> I think it's very possible
[17:47] <Randomskk> the input is a voltage level giving a square wave
[17:48] <Randomskk> not audio tones
[17:48] <DanielRichman> the input is post-FM demodulator
[17:48] <SpeedEvil> Ah
[17:48] <Randomskk> a fourier transform would just give you the fourier of a square wave
[17:48] <SpeedEvil> You're doing that.
[17:48] <Randomskk> not entirely useful
[17:48] <Randomskk> but yes, it should be totally doable
[17:48] <SpeedEvil> Something simple like just highpass filtering, followed by a flipflop would work
[17:48] <Randomskk> question is, what do you upload to it?
[17:48] <SpeedEvil> set it on high edges, reset it on lowgoing edges
[17:49] <SpeedEvil> For extra points, suppress the output when locked on, and you're in the middle of a word
[17:51] <DanielRichman> aah, I see. That would be easier than what i was going to try and do :P
[17:52] <DanielRichman> so the goal is to filter it such that it sits at 0, and flicks positive when it goes from space to mark, and reverse for mark to space?
[17:53] <SpeedEvil> yes
[17:55] <DanielRichman> I'll play in python. Do you think it's worth doing a moving average before the highpass filter, or shall I just have it wait until it stays positive past a threshold for a few samples before flip-flopping?
[17:56] <SpeedEvil> I'm unsure.
[17:56] <SpeedEvil> I would suggest a genetic approach.
[17:56] <SpeedEvil> Train lots of hampsters at the task, and kill the 60% of worst ones.
[17:57] <DanielRichman> ;)
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[18:11] <MrCraig> *nods
[18:43] Action: fsphil hovers
[18:43] <MrCraig> aided or unaided?
[18:44] <fsphil> oh, unaided
[18:44] <MrCraig> impressive.
[18:45] <MrCraig> know any good suppliers for pre-built sma cable and surface mount jacks?
[18:45] <MrCraig> or surface mount sockets
[18:46] <fsphil> I've never seen surface mount sockets
[18:46] <MrCraig> Toby electronics has some
[18:46] <MrCraig> or are they jacks
[18:46] <MrCraig> hmm
[18:47] <fsphil> those are sockets
[18:47] Action: MrCraig is browsing rs-online
[18:48] <MrCraig> ok the socket is the female right?
[18:48] <MrCraig> just - the male on these things looks socket like too
[18:50] <MrCraig> anyways - I did the lazy thing and emailed them telling them what I have and what I want to connect it to - and basically left them to tell me which components I'll need.
[18:51] <fsphil> excellent
[18:51] <MrCraig> Got my camera today
[18:51] <MrCraig> Alba A121
[18:51] Action: SpeedEvil loves ebay.
[18:51] <MrCraig> the continuous mode mislead me - it's continuous burst, not a continued timer event
[18:52] <SpeedEvil> I got a micrwave for 8 quid.
[18:52] <MrCraig> wow
[18:52] <MrCraig> ebay's cool :-)
[18:52] <SpeedEvil> Admittedly, I needed to fix it first, but that was 5 min.
[18:52] <SpeedEvil> _really_ simple fault - the HT lead had become frayed or wedged due to bad handling.
[18:52] <MrCraig> I'm waiting on completion of a £7 bluetooth HID keyboard for my android :)
[18:53] <SpeedEvil> And had blown the mains fuse rather enthusiastically.
[18:53] <SpeedEvil> Oh - I forgot my sniper
[18:53] Action: SpeedEvil is bidding on a pile of insulation right now.
[18:53] <SpeedEvil> Argh - first one diddn't go.
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[18:54] <Hburger> Hello!
[18:54] <MrCraig> http://www.fatfingers.co.uk/
[18:54] <MrCraig> hello Hburger
[18:54] <Hburger> I need help, please :)
[18:54] <SpeedEvil> With?
[18:54] <fsphil> haha nice link MrCraig
[18:54] <Hburger> This is the UK near-space ballooning IRC, yes?
[18:55] <SpeedEvil> Somewhat.
[18:55] <MrCraig> rather.
[18:55] <SpeedEvil> We have people from around the world.
[18:55] <SpeedEvil> And one martian.
[18:55] <Hburger> Okay, I need help with equipment (and where to get it)
[18:55] Action: MrCraig looks around trying to identify the martian
[18:55] <Hburger> Firstly, 600g balloon: Where can I buy one?
[18:55] <fsphil> It isn't me :p
[18:56] <MrCraig> ebay'd my balloons
[18:56] <Hburger> Can't find any atm...
[18:56] <Hburger> *on ebBay
[18:56] <Hburger> http://shop.ebay.co.uk/?_from=R40&_trksid=p3984.m570.l1311&_nkw=weather+balloon&_sacat=See-All-Categories
[18:56] <Hburger> ^^ Link to eBay search for weather balloon
[18:57] <SpeedEvil> http://ukhas.org.uk/general:suppliers
[18:57] <SpeedEvil> may be of use
[18:58] <Hburger> Yay! Thanks Speedevil.
[18:58] <Hburger> http://www.novalynx.com/400-balloons.html
[18:59] <Hburger> how much do you think p&p to UK will be?
[18:59] <Hburger> and! cheapest, easiest GPS device available?
[18:59] <MrCraig> about as much as the balloon.
[19:00] <fsphil> hmm.. random solutions is totally out of stock of the small balloons
[19:00] <Hburger> yeah, was hoping rs would have them, by no date, does that mean not in foreseeable future?
[19:01] <MrCraig> ooh, someone called Wendy Coffey just followed me on twitter :)
[19:01] <SpeedEvil> Randomskk:
[19:02] <fsphil> not sure
[19:02] <Hburger> :O If Randomskk is on here (not afk), that'd be excellent!
[19:04] <MrCraig> Are you in a hurry Hburger?
[19:04] <Hburger> Well, kind of.
[19:04] <SpeedEvil> Generally making payload in a hurry is a bad plan.
[19:05] <fsphil> oh yea
[19:05] <Hburger> Not entirely, I can always come back another day, but it's been on my mind a while
[19:05] <Hburger> Oh, I dont mean like that. Plenty of time till launch.
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[19:05] <MrCraig> I'm doing just that right now - building a payload in a hurry, but I have spent plenty of time planning it
[19:05] <Hburger> Will give more details when I'm allowed to reveal.
[19:05] <SpeedEvil> The balloon is the easy part.
[19:05] <SpeedEvil> In many ways
[19:05] <Hburger> Well, finding and buying a ballo on a limited budget?
[19:06] <Hburger> Don't wanna spend more than £40 on a... 600g(?) one.
[19:06] <Hburger> Then there's £50 for a GPS SMS tracker
[19:06] <Hburger> and £50 for helium
[19:06] <Hburger> parachute £20(???)
[19:06] <MrCraig> I'd hate to sound righteous but I hope you've gotten or at least applied for your CAA regulation exemption :)
[19:07] <Hburger> How much time would I have to allow for that?
[19:07] <Hburger> *From application to approval/denial
[19:07] <MrCraig> I've never applied for one myself but I understand a month is reasonably quick.
[19:08] <MrCraig> A hint on finding chutes - I searched Army Surplus and found some interesting results.
[19:08] <Hburger> And what reasons would they deny my application? This would be a simple high altitude balloon and pics launch, then collect.
[19:08] <SpeedEvil> Where are you?
[19:08] <Hburger> UK
[19:08] <Hburger> (Btw, about the prices I posted, do they seem about right?)
[19:10] <MrCraig> my chutes came in at £25 each
[19:10] <MrCraig> but I'm going to shut up now because I'm a novice and don't know that all my gear is entirely suitable :)
[19:11] <Hburger> MrCraig: Were did you get the chutes from?
[19:11] <MrCraig> another ebay from an army surplus supplier
[19:12] <Hburger> how large (")?
[19:12] <SpeedEvil> You can make the chute from anything really
[19:12] <SpeedEvil> It's not majorly complex to do with a bit of light stuff, and a needle and thread
[19:12] <MrCraig> I'm note sure if they're 5ft or 6ft from memory and without getting them out to measure
[19:12] <Hburger> That's what I was thinking. But, how big?
[19:13] <Hburger> Okay, thanks MrCraig :)
[19:15] <Hburger> Chute something like this:
[19:15] <Hburger> CAA regulation exemption
[19:15] <Hburger> woops
[19:15] <Hburger> http://cgi.ebay.co.uk/NEW-US-MILITARY-6-FT-ORANGE-DROGUE-PARACHUTE-SEA-ANCHOR-/140519152627?pt=LH_DefaultDomain_0&hash=item20b7981bf3#ht_569wt_907
[19:15] <Hburger> it seems huge though
[19:15] <Hburger> considering this size (thiis would work the same, right?)
[19:15] <Hburger> http://cgi.ebay.co.uk/NEW-US-MILITARY-6-FT-ORANGE-DROGUE-PARACHUTE-SEA-ANCHOR-/140519152627?pt=LH_DefaultDomain_0&hash=item20b7981bf3#ht_569wt_907
[19:15] <Hburger> woops again
[19:15] <Hburger> http://cgi.ebay.co.uk/NEW-Play-Parachute-1-75m-6-ft-8-handles-Carry-Bag-/270698600003?pt=UK_Toys_Games_Outdoor_Toys_ET&hash=item3f06e4d643#ht_1813wt_1141
[19:16] <MrCraig> http://craigchapman.me.uk/ballooncam/2011/02/gps-data-from-lasseniq/ <-- my chute
[19:16] <Hburger> Much bigger than those Ive seen on previous launches of normal balloons
[19:18] <Hburger> MrCraig, about the CAA, you write this: "This evening I had a conversation with another UK-HAS member who is also a member of the CUSF (Cambridge University Space Flight) group. To cut straight to the point in this post, Ive been permitted to launch from their site in Cambridge and under their NOTAM (notice to airmen, its an agreement with the CAA that exempts the group from portions of the aerospace regulations. There a
[19:18] <MrCraig> yes
[19:19] <Hburger> I'm a little concerned now... does the permission from the CAA also state where you are to launch
[19:19] <Hburger> are there certain areas you can't?
[19:19] <Hburger> I mean, we're on the south coast, is this area restricted?
[19:19] <MrCraig> no, you must tell them where you wish to launch, and if it's too close to an airport or on a flight path they'll decline it
[19:20] <Hburger> Good luck with the whole thing btw, am following on Twitter and wish you a successful launch and recovery ;)
[19:20] <Hburger> Where did you apply for it?
[19:20] <Hburger> I mean, is there a certain page with the info on it? I searched around the CAA site with no luck
[19:21] <MrCraig> the concern is mostly safety - you just have to be sure you're not going to interfere with other air traffic, that might involve communicating with air traffic control. I didn't apply myself, I've been permitted to launch under an agreement held by the university. I think I do have the application form around though, looking...
[19:27] <MrCraig> sorry for the delay, trying to restore an email backujp
[19:27] <Hburger> Understandable, thanks for looking
[19:27] <MrCraig> backup*
[19:29] <khotchkiss> do y'all know of any cool twitter accounts or have any related to balloonin'?
[19:29] <MrCraig> hehe
[19:29] <MrCraig> craigchapman_uk
[19:29] <MrCraig> but it's not cool
[19:30] <khotchkiss> hey links for stuff for reading in freetime.
[19:32] <MrCraig> Hburger: I'm not finding it right now, IM me your email address or or drop me a line at craig@craigchapman.me.uk and when I find it I'll send it
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[19:32] <Hburger> MrCraig, we could DM via twitter (im @hburger206 )
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[19:33] <Dooberry> bah
[19:33] <MrCraig> kk I see you on follow - will dig it out and send it
[19:34] <Hburger> Great! Thanks :D
[19:34] <Hburger> Got to go now, thanks for the help! Will probably be back during the weekend.
[19:34] <Hburger> Bye!
[19:34] <MrCraig> take care
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[19:58] <Laurenceb> im trying to create a scrolling data display graph in python
[19:58] <Laurenceb> any ideas how/
[19:58] <Laurenceb> ive found some nive wx code, but i couldnt get my head round how to stop it being timer driven
[19:58] <Laurenceb> *good
[20:07] <MrCraig> I'm starting to wonder if it would be worth me importing a stockpile of balloons from china - uk suppliers seem non-existent
[20:09] <Upu> MrCraig speak to Rocketboy www.randomengineering.co.uk
[20:10] <MrCraig> Thanks :)
[20:10] <MrCraig> looks like Rocketboy did just that
[20:10] <MrCraig> Is there an ideal size / weight?
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[20:12] <Zuph> join #lvl1
[20:12] <Dooberry> I need to speak to Rocketboy as well, make sure they've got some 600g's in stock
[20:12] <Zuph> damn fast channel joining...
[20:12] <Dan-K2VOL> hehe
[20:13] <Zuph> Misplaced my / in another window :-p
[20:13] <Dan-K2VOL> brad I sent an email to the FSDO in Indy to let them know we were launching soon, just a courtesy. That's the place that cornell talked to and heard the scoop from
[20:14] <MrCraig> I like the sound of 600g also
[20:15] <Zuph> Sounds good Dan-K2VOL
[20:15] <Dooberry> I also need a 350g for a test flight :p
[20:15] <Zuph> Hopefully they don't arm the AA guns :-p
[20:15] <Dan-K2VOL> hmm, we'll have to leave the cloaking device on longer than planned, I guess
[20:15] <MrCraig> I'm presuming their size has some bearing on the altitude (given burst diameter) as well as lift - and I'm concerned now that mine are small
[20:16] <MrCraig> http://ukhas.org.uk/guides:balloon_data
[20:16] <Dooberry> aye, depreciating returns the bigger you get though
[20:17] <MrCraig> how so?
[20:17] <Dooberry> 600g is good for most, at least from what I understand.
[20:17] <Dooberry> but what do i know...i'm a noob :p
[20:17] <Dooberry> I mean that if you get a 3000g, it will go higher than a 1000g but not by a huge amount
[20:18] <Dooberry> again, from what I understand :p
[20:18] <MrCraig> I have a pair of ebay bought balloons that weighed in at 200g each, busting altitude here sais around 21.2km
[20:18] <Dooberry> Oooh, how much were those?
[20:18] <MrCraig> that's only 70k feet, I'd like quite a lot higher than that
[20:18] <MrCraig> they were about £25 each
[20:19] <Dooberry> that's not too bad.
[20:19] <Dooberry> are you doing photography?
[20:19] <MrCraig> yes - photography only in fact
[20:19] <Dooberry> me too, i'm planning my first launch atm
[20:19] <Dooberry> hopefully sometime in april
[20:19] <Dooberry> not much lag time needed for my payload as i'm just sending up a GoPro HD and an iphone 3g for tracking
[20:20] <Dooberry> just need to arrange CAA permissions and ask nicely to launch from Cambridge EARS
[20:20] <Dooberry> and of course wait for the weather to be a-okay!
[20:20] <MrCraig> But frankly, I'd hoped on around 100k feet, for which 600g's look best. I'm launching my first flight April 9th
[20:20] <Dooberry> where from?
[20:20] <MrCraig> Cambridge
[20:20] <MrCraig> University site
[20:21] <Dooberry> sweet - mind if I pop along to observe?
[20:21] <Dooberry> A bit forward I know, but i've been planning to pop along to one of these things for ages
[20:21] <Dooberry> work out how to do it for my own launch
[20:22] <MrCraig> and I'm still very under prepared. Well you're welcome where I'm concerned but would have to discuss with jonsowman - he's arranged the site for me, there's another launch the same day and I believe attendance numbers have to be in advance for insurance / safety reasons?
[20:22] <Dooberry> argh - no ignore me.
[20:23] <Dooberry> I'm in Turkey that week
[20:23] <MrCraig> aw shame
[20:23] <Dooberry> indeed, I'm desperately wanting to pop along to one of these things...
[20:24] <Dooberry> So it's jonsowan I need to speak to regarding launching from Cambridge uni site?
[20:24] <MrCraig> 600g's are not in stock with no estimated replenishment date with Rocketboy - so if anyone comes across a 600-800g balloon supply please let me know!
[20:24] <MrCraig> Dooberry: Yup
[20:24] <Dooberry> on his website the last update was back in Feb though...
[20:25] <MrCraig> I'll quiz him when I see him for sure
[20:25] <Dooberry> right, i'm off to see Adjustment Bureau - Orange Wednesday style. laters
[20:25] <MrCraig> but I also see where he get's his supplies :)
[20:31] Action: MrCraig is running out for food - afk
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[20:51] <mattltm> Hi all :)
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[21:00] <Upu> hey mattltm
[21:00] <Upu> I ordered some steel rods :)
[21:03] <mattltm> Nice one Upu :)
[21:03] <Upu> I'll let you know how it goe
[21:03] <Upu> goes
[21:03] <mattltm> You want me to send you a pre bent folded dipole element?
[21:03] <mattltm> save you building a jig?
[21:04] <Upu> oh don't worry the jig is the easy bit for me :)
[21:04] <mattltm> Cool :)
[21:04] <Upu> I like making things out of wood :)
[21:04] <mattltm> Wood rocks :)
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[21:05] <Upu> indeed
[21:06] <SpeedEvil> Upu: Seen the woodgears guy?
[21:06] <mattltm> Yup. Ther are cool :)
[21:07] <Upu> is that the one with them all over his wall ?
[21:07] <SpeedEvil> I'm pondering a sort of screw advance box jig thing - but with a stepper, not gears
[21:07] <SpeedEvil> http://www.youtube.com/watch?v=PDPrFJazD3Q&feature=channel
[21:07] <mattltm> http://woodgears.ca/gear_cutting/template.html
[21:07] <SpeedEvil> (pantorouter)
[21:07] <SpeedEvil> yeah
[21:07] <Upu> http://www.youtube.com/watch?v=RLPVCJjTNgk
[21:08] <Upu> this still blows my mind
[21:08] <Upu> not wood but the next best thing
[21:08] <mattltm> Very cool :)
[21:09] <SpeedEvil> Neat.
[21:09] <Upu> not just the fact its Lego, the fact its doing all that maths using just cogs
[21:09] <Upu> like wow
[21:11] <SpeedEvil> http://b3ta.com/challenge/lego/
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[21:12] <Lunar_Lander> hello
[21:13] <MrCraig> staggering engineering
[21:13] <MrCraig> hello Lunar_Lander
[21:13] <Lunar_Lander> hi MrCraig
[21:13] <Lunar_Lander> I'm just testing my Stabo
[21:14] <MrCraig> stabo?
[21:15] <Upu> love that pantorouter :)
[21:15] <Lunar_Lander> stabo XR100 scanner
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[21:15] <SpeedEvil> Upu: It's completely awesome.
[21:16] <SpeedEvil> Upu: I wish it was easy to get nice cylindrical routers.
[21:16] <Lunar_Lander> on 151.865 MHz is a signal, but it's only noise
[21:16] <Upu> I have a nice router
[21:16] <SpeedEvil> http://www.flickr.com/photos/14560445@N08/
[21:16] <Upu> but yeah it's handheald
[21:16] <SpeedEvil> My current wood projects are rather pedestrina.
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[21:17] <SpeedEvil> pedestrian.
[21:17] <Lunar_Lander> when I switch to USB, there is a high beep
[21:17] <Lunar_Lander> and on LSB a low beep
[21:20] <Lunar_Lander> is it supposed to be that way?
[21:22] <mattltm> Sounds right. LSB would lune to the lower sideband so the audio freq would be lower.
[21:22] <Lunar_Lander> ah ok
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[21:24] <fsphil> depends on the signal though
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[21:25] <mattltm> Yup. Lunar, if there is an echolink node near you, I could connect to it and TX through it so you can listen on the output freq to test if it is reciving ok.
[21:25] <fsphil> that echolink node near me was active last night, still can't find it on the website though
[21:26] <mattltm> Did you get the call?
[21:28] <fsphil> MB7ICU I think
[21:30] <Dan-K2VOL> We're looking for assistance on White Star SpeedBall flights in the next week or two, does anyone here have experience talking with CAA, or as a pilot?
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[21:31] <mattltm> fsphil: I just introduced Lunar to his first HF spy station :)
[21:31] <fsphil> cool!
[21:31] <fsphil> ooh - reminds me, I heard some garbled voices on 160m band last night
[21:31] <fsphil> sounded encrypted
[21:32] <mattltm> Ahh..
[21:32] <mattltm> Around 1.845 ish?
[21:32] <fsphil> yea
[21:33] <fsphil> there where brief data bursts along with the voice
[21:33] <mattltm> I had some round there last week. Turned out to be a french fishing fleet using sailor typr rolling code encryption
[21:33] <mattltm> the data burst is the code rolling.
[21:33] <fsphil> that may hav ebeen them
[21:35] <mattltm> if you listen to the noise, you should hear a "chirp" at a set interval durig the tx.
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[21:36] <fsphil> don't remember now, will listen out for it tonight
[21:37] <Lunar_Lander> just listening to a local station on WFM
[21:37] <Lunar_Lander> "Where The Streets Have No Name" by U2
[21:37] <Lunar_Lander> xD
[21:37] NigeyS (~EcEnTiAl@89.194.68.139) joined #highaltitude.
[21:37] <Lunar_Lander> hi NigeyS
[21:37] <NigeyS> hey Lunar
[21:37] <fsphil> "Use the Sat-nav Bono!"
[21:37] <MrCraig> hey NigeyS
[21:38] <mattltm> 'Sup NigeyS :)
[21:38] <Lunar_Lander> but
[21:38] <Lunar_Lander> on FM it was noisy
[21:38] <NigeyS> hey guys :D
[21:38] <Lunar_Lander> but when I went to WFM, the sound was much better
[21:38] <fsphil> normal FM isn't wide enough to listen to WFM signals
[21:38] <mattltm> standard FM bandwidth is to narrow for broadcast radio
[21:38] <Lunar_Lander> ah
[21:38] <fsphil> the sound gets clipped, causing all sorts of stuffs :)
[21:39] <fsphil> unless it's very quiet
[21:39] Action: mattltm needs to learn how to type faster :)
[21:39] <Lunar_Lander> ah
[21:42] <griffonbot> @sbasuita: Presenting our high altitude balloon tomorrow. RADARC meeting, 8pm, Tea Room, Woodford Park Leisure Centre, Woodley. #alienhab #ukhas #arhab [http://twitter.com/sbasuita/status/45600461948059648]
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[21:47] <mattltm> fsphil: Just called through a german repeater so lunar could test his RX. I love echolink :)
[21:48] <fsphil> sweet
[21:48] <fsphil> It didn't work so well on linux last time I tried
[21:49] <mattltm> Works great on the Iphone or android :)
[21:49] <fsphil> don't have one of those yet :)
[21:49] <mattltm> :(
[21:49] <fsphil> gonna get an android phone eventually
[21:50] <mattltm> I went hunting for the local 2M repeater today..
[21:50] <mattltm> It is listed as an echolink node but it is not running..
[21:51] <MrCraig> so is it a crime to use a met balloon to encourage ufo sightings?
[21:51] <mattltm> Emailed the keeper but no reply so wnet to find the tx site to see if there were any updated contact details
[21:53] <mattltm> I expected it to be on a nice tower...
[21:53] <mattltm> http://maps.google.co.uk/maps?f=q&source=s_q&hl=en&geocode=&q=51.403482+0.488689&sll=52.855864,-3.208008&sspn=7.498983,23.269043&gl=uk&ie=UTF8&ll=51.403747,0.488754&spn=0.000236,0.00071&t=h&z=21&layer=c&cbll=51.403767,0.488664&panoid=eS-nQwTqcsd8golYtGop7w&cbp=12,59.96,,0,-6.22
[21:55] <Lunar_Lander> LOL
[21:55] <Lunar_Lander> now I hear "Der Weg" by Xavier Naidoo mixed by Jazz Saxophones
[21:55] <Lunar_Lander> :D
[21:55] <Lunar_Lander> *with
[21:55] <mattltm> Knocked on the door but no one was home so I put a QSL card in the letter box :P
[21:55] <Lunar_Lander> when I stand up, the saxophones disappear
[21:55] <Lunar_Lander> XD
[21:55] <mattltm> MrCraig: I don't know but let me know when it's going up :P
[21:56] <MrCraig> <grin>
[22:00] <mattltm> Did you see the "very british ufo hoax" program a few years back?
[22:02] <MrCraig> the one with the foil balloon?
[22:02] <MrCraig> sooo funny.
[22:03] <MrCraig> I'll bet there are folks who still believe it was aliens
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[22:03] <mattltm> Yup :)
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[22:03] <mattltm> How about a qaudcopter UFO hoax?
[22:04] <MrCraig> nope, didn't see that one
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[22:04] <mattltm> I don't think its been doen, yet :p
[22:05] <MrCraig> interesting :-) Also, there have been several recent advances in sound cancellation technologies.
[22:06] <fsphil> nice halloween prank -- drop some red dye from altitude :)
[22:06] <mattltm> Nice. I like your thinking :)
[22:07] <mattltm> I was thinking about building an octocopter
[22:08] <mattltm> I have a spare 6 channel 2.4 rc set here.
[22:08] <MrCraig> would be a fun build
[22:08] <mattltm> Well it was a 35Mhz set but I converted it to 2.4Ghz
[22:09] <fsphil> only one person can connect to an echolink node at a time?
[22:09] <mattltm> Nope. As many as it can handle :)
[22:09] <fsphil> ah, so busy just means it's at capacity
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[22:10] <mattltm> Yup. Or in private conferance.
[22:10] <mattltm> Which node you on?
[22:10] <fsphil> just tried the local one
[22:10] <fsphil> it's busy but I don't hear anyone on it
[22:10] <mattltm> pop on to DB0OSN, Germany :)
[22:10] <mattltm> Thats where I am sitting :)
[22:11] <fsphil> oops take that back -- it's active
[22:11] <mattltm> Yay. Whats the call?
[22:12] <fsphil> they just left lol
[22:12] <mattltm> Whats the node call?
[22:12] <fsphil> MB7ICU
[22:13] <fsphil> still saying it's busy
[22:13] <mattltm> Yup. Just checked. Its in a private conferance ;(
[22:14] <Lunar_Lander> oh ok
[22:15] <fsphil> echolink is weird
[22:15] <mattltm> lol. Yup :)
[22:15] <mattltm> Thats why I like it :)
[22:15] <fsphil> it's odd scanning the band, and coming across an australian chatting to someone in the US
[22:16] <mattltm> lol
[22:16] <Lunar_Lander> xD
[22:16] <fsphil> so what's the conference thingy? linked nodes?
[22:16] <mattltm> Yup
[22:16] <fsphil> so all the nodes in the conference are repeating the same thing?
[22:17] <mattltm> If you can access a node vai the radio and you can generate DTMF tones, you can link nodes using their echolink ID.
[22:17] <mattltm> Not all of them.
[22:17] <fsphil> ah so it's a bit like using the node as a client for another node
[22:18] <mattltm> You can link from 1 node to lots of nodes
[22:18] <Lunar_Lander> Zuph ?
[22:20] <mattltm> so I could link my local repeater to yours and we could chat. then I could link to Germant so Lunar could listen in. Then I could link to US so we can chat stateside.
[22:21] <Laurenceb> any python gurus here?
[22:21] <Lunar_Lander> cool
[22:23] <Laurenceb> im trying to understand pipe weirdness
[22:24] <mattltm> fsphil: MB7ICU Node No. 422728 is linked to the Ireland Conference Server - Node No. 2605
[22:25] <fsphil> so the conference is a server itself
[22:25] <mattltm> Yup.
[22:25] <mattltm> http://mi1ccu.co.uk/aboutus.aspx
[22:26] <fsphil> it's not to far from the launch site I use
[22:26] <mattltm> http://homepage.eircom.net/~ei4jr/IRELAND_Confrence.htm
[22:28] <fsphil> There's a distinct lack of good web-design in the amateur radio world :)
[22:28] <mattltm> lol
[22:28] <mattltm> And too many beards :)
[22:29] <LazyLeopard> You could have left "amateur radio" out, and it'd still be true...
[22:29] <MrCraig> keep in mind these are people who didn't move on from radio to irc! :-P
[22:29] <Upu> you've not seen beards until you've been to a real ale festival
[22:29] <LazyLeopard> ...and an SF convention.
[22:30] <mattltm> lol
[22:30] <LazyLeopard> ...or, for completeness, the real ale bar at an SF convention. ;)
[22:30] <mattltm> lol
[22:30] <Upu> could be epic :)
[22:31] <MrCraig> There's a World of Warcraft gag in there somewhere but I just can't put my finger on it, pony tails and beards.
[22:32] <mattltm> fsphil: I'm into the ireland conference :)
[22:33] <mattltm> 30 stations connected.
[22:33] <fsphil> it's all quiet
[22:33] <Lunar_Lander> It's quiet here too
[22:34] <mattltm> I just gave a quick shout :)
[22:34] <Lunar_Lander> oh one moment
[22:34] <Lunar_Lander> I just went to music and Nickelback is on xD
[22:34] <Lunar_Lander> OK, now back to the frequency
[22:34] <mattltm> fsphil: activity now?
[22:34] <fsphil> yea I hear you
[22:34] <mattltm> Not me :(
[22:35] <fsphil> ah, peter
[22:35] <mattltm> Peter
[22:35] <mattltm> lol
[22:35] <Lunar_Lander> I`m back on 439.350
[22:35] <fsphil> Lunar_Lander, I scanned everything when I first got my 817 :)
[22:36] <mattltm> Lunar: we are on a Uk repeater now :)
[22:36] <Lunar_Lander> ah OK
[22:37] <fsphil> nice, can hear them on the net client too
[22:37] <mattltm> Im in via GB3IK repeater :0
[22:38] <fsphil> the same chat?
[22:38] <mattltm> Yup. Just connected the repeater as a node :)
[22:38] <fsphil> haha, like that
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[22:38] <mattltm> talking about the A303
[22:38] <mattltm> ad A30
[22:39] <Laurenceb> any python guys here?
[22:39] Action: Laurenceb is generally getting vvery annoyed by #python
[22:39] <fsphil> I know someone who owns one, but I don't think that's what you're after
[22:40] <fsphil> this would be a neat way to organise a long-range hab flight
[22:40] <mattltm> Yup. I often link to the US and chat with a few guys.
[22:41] <LazyLeopard> fsphil: 2I0 exam tomorrow?
[22:41] <LazyLeopard> ...or is it Friday?
[22:41] <fsphil> day after LazyLeopard, Friday
[22:41] <fsphil> yea
[22:41] <fsphil> 5:30pm :)
[22:41] <LazyLeopard> Ah. Well, good luck, anyway. ;)
[22:41] <fsphil> thanks
[22:41] <Lunar_Lander> yea good luck :)
[22:41] <fsphil> I've been studying at home so this will be the first time I meet the rest of the class
[22:42] <LazyLeopard> Heh
[22:42] <mattltm> Right, i'm off..
[22:42] <fsphil> later mattltm!
[22:42] <mattltm> Bye :)
[22:42] <Lunar_Lander> night mattltm
[22:42] <Lunar_Lander> :)
[22:42] <Lunar_Lander> thanks again
[22:42] <MrCraig> Night mattltm
[22:42] Action: mattltm waves
[22:43] <MrCraig> Anyone know the volume of a T-size helium cylinder?
[22:43] mattltm (mattltm@92.7.207.234) left #highaltitude.
[22:43] <MrCraig> Capacity I mean
[22:43] <fsphil> it's pretty loud if you drop it
[22:43] <MrCraig> especially on toe caps?
[22:43] <fsphil> ooch
[22:43] <fsphil> there's a pdf on the boc site somewhere
[22:43] <MrCraig> screams are louder huh?
[22:44] <fsphil> http://www.boconline.co.uk/products/gas_supply_options/helium_gas_cylinder_options.asp
[22:44] <MrCraig> Thanks :-)
[22:44] <fsphil> 3.6m3
[22:45] <fsphil> enough to fill a big balloon
[22:45] <MrCraig> so that plenty covers a 1000g balloon according to the wiki table and then some
[22:45] <fsphil> yep
[22:46] <fsphil> I've still got the cylinder from the last flight - I think there's about 35% left
[22:46] <MrCraig> Don't you have to return the cylinder to the supplier?
[22:46] <fsphil> only when you're done with it - but there's a monthly charge for keeping it
[22:47] <MrCraig> can they be bought for less than silly money? Refills are cheaper :)
[22:47] <Lunar_Lander> is Zuph here?
[22:47] <Zuph> pong
[22:47] <fsphil> I wish MrCraig :)
[22:47] <Lunar_Lander> Zuph, Dan told me to sign up at your wiki
[22:47] <Zuph> I see your signup
[22:48] <Lunar_Lander> ah
[22:48] <Lunar_Lander> I didn't get an e-mail
[22:48] <fsphil> I'm still tempted to try hydrogen - but still a bit iffy on the safety aspect
[22:48] <Zuph> You should get a password in your mail. Check your spam folder.
[22:48] <Zuph> If it isn't in your spam folder then ze German mail filters are tougher than ze American and British ones.
[22:49] <fsphil> mine ended up in spam
[22:49] <Lunar_Lander> ah, thanks!"
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[22:49] <MrCraig> hmm, I'd like to try hydrogen too and don't think the safety aspect is quite so severe as many would say. Hydrogen explodes only in the right mix with air and an ignition source. Blame the hindenburg for the safety scare, and what do you expect when you build a hydrogen blimp out of thermite?
[22:50] <fsphil> haha, it's not even that that's bothering me -- it's the invisible flame warnings
[22:50] <Lunar_Lander> I'm in, Zuph
[22:50] <Zuph> Sweet
[22:51] <Lunar_Lander> thanks again
[22:51] <Zuph> np
[22:51] <fsphil> also the need to pressurise it
[22:52] <MrCraig> yeah, compressing gas is nothing too complicated though, so long as you can supply it readily enough
[22:52] <fsphil> I could make it easily enough
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[22:52] <MrCraig> couple of bits of wire on a car battery?
[22:52] <fsphil> basically
[22:52] <fsphil> I've a few solar panels so I could even use those
[22:53] <fsphil> would be quite a saving on the price of helium in the long run
[22:53] <Lunar_Lander> one question before signing off
[22:53] <Lunar_Lander> is this good: http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&rd=1&item=370489536613&ssPageName=STRK:MESE:IT#ht_2200wt_1139 ?
[22:53] <MrCraig> Yup - it would work - you'd need to just fill a piston to compress it. You don't need very high pressure either to fill a balloon, a modified large bike pump might do it - or one of those compressors you can buy to inflate a car tyre, run it off of the same power source.
[22:55] <MrCraig> I did actually see a gas cylinder on ebay about 3/4 weeks ago - it was showing signs of age but was only about £50 ish at the time, I wish I'd grabbed it now.
[22:55] <fsphil> not sure .. but apparently Sicherheit is
[22:57] <fsphil> shame you can't just fill the balloon with it, but I doubt it would last long enough without going pop
[22:57] <MrCraig> sure, but there's wayz
[22:59] <Lunar_Lander> OK good night
[22:59] <Lunar_Lander> :)
[22:59] <fsphil> g;night LL!
[22:59] <fsphil> needa head myself
[22:59] <MrCraig> night Lunar_Lander
[22:59] <MrCraig> u too fp
[22:59] <MrCraig> fsphil :-P#
[22:59] <MrCraig> typo invasion
[23:00] <fsphil> arm spellcheckers!
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[23:00] <fsphil> I'm trying to get plenty of sleep before the 2I0 exam :)
[23:00] <MrCraig> I've no idea what exam that is, but good luck anyway :)
[23:00] <fsphil> lol
[23:01] <fsphil> for the intermediate radio license
[23:01] <MrCraig> I figured it'd be along those lines, and having seen some of your tech I didn't imagine it could be GCSE's
[23:03] <fsphil> I'd need to re-sit my English GCSE ;-)
[23:04] <MrCraig> Suffering from a dental visit requirement at the moment, I could do with an early night - but gf is at long distance and didn't check in yet tonight - so waiting up. (she has an insane schedule, concerned for her health and ability to drive on 3 hours sleep)
[23:04] <fsphil> eep
[23:04] <MrCraig> Ahh if you decide to reset Eng GCSE I'll send you my old copy of Wordsworth for the Amiga - a word processor that runs inside a hundred kilobytes? nooooooo. yup
[23:05] <fsphil> I have that :)
[23:05] <MrCraig> hehe
[23:05] <fsphil> I did my geography homework on it
[23:05] <fsphil> with a horrible dot-matrix printer
[23:05] <MrCraig> I don't actually - don't still have any of the 68k software
[23:05] <MrCraig> dot-matrix! ack!
[23:05] <fsphil> yea, managed to wake up everyone in the house ;-)
[23:05] <fsphil> *sheeeech* *click* *screeeech*
[23:06] <fsphil> I got it for free, and it worked on the amiga, so I was happy
[23:06] <MrCraig> I had to keep a series of just 4 of them running right into 2005 for a mortgage broker. It's the only printer that you can use for a credit agreement because it's the only one that punches through carbon copy - but just try keeping the text on them lined up with the boxes on the pre-printed agreement pages.
[23:07] <fsphil> there's still one in our office, the accountant insists on using it
[23:07] <MrCraig> I wanted to see if they made more noise crashing through a window than printing
[23:07] <fsphil> probably not!
[23:07] <MrCraig> lol
[23:07] <fsphil> ironically this one has the word Quiet on it
[23:07] <MrCraig> remembers the fax machine scene from the office space movie
[23:07] <MrCraig> LOL
[23:08] <fsphil> I bet you could record the sound, and reproduce what it's printing on the screen
[23:08] <MrCraig> hmm, that'd be a challenging project though I'm sure.
[23:08] <MrCraig> very spy tech too
[23:08] <fsphil> bit out of date though
[23:09] <fsphil> it broke last year, caused a panic in the accounting department
[23:09] <fsphil> had to get one of ebay
[23:09] <MrCraig> yeah - and it would probably be easier to pick up the data being sent along the wire using some kind of radiation scanner
[23:09] jcoxon (~jcoxon@cpc1-lanc4-0-0-cust720.3-3.cable.virginmedia.com) joined #highaltitude.
[23:09] <fsphil> evening jcoxon
[23:10] <MrCraig> hail jcoxon
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[23:11] <MrCraig> oh oh oh fsphil
[23:11] <MrCraig> how tall is that T-size thingy?
[23:11] <fsphil> not very
[23:11] <MrCraig> 5ft?
[23:11] <fsphil> almost a metre
[23:12] <fsphil> 970mm according to the site -- but the new one I got is very slightly taller
[23:12] <fsphil> it's mighty heavy
[23:12] <MrCraig> 97cm - hmm, I might have one
[23:13] <MrCraig> a 1.5 meter cylinder
[23:13] <jcoxon> hello
[23:13] <MrCraig> hi jcoxon
[23:13] <fsphil> the L is about 1.5m tall
[23:14] <jcoxon> evening Zuph
[23:16] <natrium42> http://i.imgur.com/AmySs.png
[23:16] <natrium42> like a boss!
[23:16] <jcoxon> hehe
[23:17] <fsphil> lol!
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[23:22] <MrCraig> hi rob
[23:22] juxta (Bogaurd@ppp203-122-193-94.static.internode.on.net) joined #highaltitude.
[23:23] <Dooberry> oh em gee, Adjustment Bureau is amazing
[23:23] <Dooberry> highly recommend everyone seeing it.
[23:24] <fsphil> sweet
[23:24] <MrCraig> hey juxta
[23:24] <juxta> morning
[23:24] <MrCraig> it almost is yeah :-/
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[23:35] <MrCraig> Goodnight all :-)
[23:36] <MrCraig> *waves and vanishes*
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[00:00] --- Thu Mar 10 2011