highaltitude.log.20121026

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[02:46] <heathkid> can PICOBUZZ 2 swim?
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[03:37] <heathkid> everyone fall asleep?
[03:49] <MLow> im here
[03:49] <MLow> tho i need to be doing "work"
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[04:30] <heathkid> and I need to get some sleep now
[04:30] <heathkid> oh well...
[04:30] <heathkid> guess I'm in the wrong time zone
[04:30] <heathkid> as usual
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[05:44] <x-f> first snow!
[05:44] <x-f> and a blizzard
[05:44] <x-f> good morning, friday
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[05:54] <tekbwainz> j #postgresql
[05:54] <tekbwainz> sorry
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[06:43] <SamSilver> nosebleedkt: i was just thinking of you, the monkeys are busy stealing the paw paws and tomatoes
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[06:49] <UpuWork> ping navrac / natrium42
[06:49] <UpuWork> damn
[06:49] <UpuWork> sorry natrium42
[06:49] <UpuWork> navracWork
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[07:06] <stilldavid> anyone around to discuss softwareserial and rtty timing?
[07:09] <stilldavid> that is, when I use SoftwareSerial, my rtty doesn't work :( and I don't have an o-scope handy.
[07:14] <UpuWork> hey stilldavid
[07:14] <stilldavid> hiya UpuWork
[07:14] <UpuWork> software serial uses interupts
[07:14] <UpuWork> which cock up the RTTY timing
[07:14] <UpuWork> just before you TX
[07:14] <UpuWork> turn interrupts off
[07:14] <stilldavid> I remember this. something about a dummy serial...
[07:15] <UpuWork> nointerupts();
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[07:15] <UpuWork> then turn them back on
[07:15] <UpuWork> interupt();
[07:15] <UpuWork> check the spelling
[07:15] <UpuWork> :)
[07:15] <UpuWork> afk
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[07:19] <fsphil> yea software serial is a right pain for that
[07:20] <stilldavid> man, what a drag. the last hour of my life...
[07:20] <stilldavid> thank you both. I'm such a n00b every time I do this.
[07:21] <stilldavid> annnd now the gps is hosed.
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[07:22] <fsphil> what's it doing? or not?
[07:22] <x-f> GPS is on SoftSerial?
[07:22] <stilldavid> x-f: correct.
[07:22] <stilldavid> fsphil: hold. looking into it.
[07:22] <x-f> stilldavid, Upu suggested to lower its baudrate to 4800 when using SS
[07:23] <UpuWork> don't forget to tun interupts back on once you've done TXing
[07:23] <stilldavid> ah, good call, re: baud
[07:23] <UpuWork> want EasyMode(TM) ?
[07:23] <stilldavid> hah, if it exists...
[07:23] <UpuWork> stick 2 1k resistors inline with GPS TX and GPS RX and then wire them to the hardware serial on the Arduino
[07:23] <UpuWork> comment out software serial and get on with your life
[07:24] <stilldavid> I'm using the hardware serial for a logger :\
[07:24] <fsphil> a handier way of disabling interrupts might be the ATOMIC_BLOCK() macro in <util/atomic.h>
[07:25] <fsphil> if arduino has that
[07:25] <UpuWork> http://www.billporter.info/how-to-add-multiple-uart-connections/#
[07:25] <UpuWork> oh ok
[07:25] <UpuWork> yes lower the baud rate then
[07:25] <stilldavid> while you're all here... is there a way to force tinygps to only use reports with valid alt data?
[07:26] <UpuWork> if sats =0 !valid
[07:26] <UpuWork> or sats =< 3
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[07:27] <stilldavid> just keep feeding it until then?
[07:28] <UpuWork> if by feeding you mean reading yes
[07:28] <stilldavid> I've run into times when the lat/lon update but the alt remains constant.
[07:28] <fsphil> that seems to be a bug in tinygps
[07:28] <stilldavid> naturally.
[07:28] <stilldavid> have others run into this?
[07:29] <fsphil> I remember one that repeated an altitude every 10 strings
[07:29] <fsphil> it seemed to happen after the command to read or set the nav mode was sent
[07:33] <UpuWork> catch it in code stilldavid
[07:33] <UpuWork> your code should assume what you are getting is crap
[07:37] <stilldavid> hokay, gps and radio working together, reporting on satellites, and it's 2:30am.
[07:37] <fsphil> loaads of time
[07:38] <stilldavid> er, 1:30. See, I'm tired. Time to commit.
[07:38] <UpuWork> nn
[07:38] <stilldavid> haha, well, launch is saturday.
[07:38] <stilldavid> so I'll spend all tomorrow figuring it out.
[07:38] <fsphil> totally enough time for a quick rewrite
[07:38] <stilldavid> but everything works.
[07:38] <stilldavid> so I'm calling it a night.
[07:38] <stilldavid> besides... what could possibly go wrong?*
[07:38] <stilldavid> *please don't answer
[07:38] <fsphil> hmmm
[07:38] <fsphil> awww ;)
[07:38] <fsphil> g'nite!
[07:39] <stilldavid> thanks, guys. you continue to rock my world.
[07:39] <stilldavid> one more thing: dl-fldigi on my mac. I can't resize the window vertically. nbd, but maybe it's a bug?
[07:39] <fsphil> that's by design believe it or not
[07:40] <stilldavid> oh. well then.
[07:40] <fsphil> although I think it's being fixed
[07:40] <fsphil> if you run it in non-HAB mode it will resize
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[07:40] <fsphil> although you don't get the extra UI bits
[07:40] <fsphil> and it's offline by default
[07:40] <stilldavid> hah, no worries then. it works a treat.
[07:40] <stilldavid> gotta let habhub know about the launch. tomorrow...
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[08:05] <costyn> morning
[08:06] <fsphil> morn!
[08:06] <costyn> fsphil: I had that bug where it repeats the gps data every 10 strings, that does seems to be related to the checkNav function
[08:07] <costyn> or the setupGPS() which is run after it, I've adjusted my code but still need to test that bit more thoroughly
[08:07] <fsphil> I never did find the cause. setting the mode shouldn't do that
[08:09] <costyn> did you sniff the data coming from the gps? is the actual polled data the same as last time?
[08:09] <x-f> costyn, that's because after checknav you get incomplete response from uBlox - in my code i call an extra gps_poll() right after checknav, and then i get no missing data
[08:09] <griffonbot> @nyaakpan: RT @BBCAmos: Your chance to scream in space for the smartphone app riding onboard the STRaND-1 cubesat. #CUSF #SSTL http://t.co/x8s2zkUR [http://twitter.com/nyaakpan/status/261741359998836736]
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[08:10] <costyn> x-f: aha. so a pubx*33 after a checknav gets you a partial pubx response?
[08:10] <x-f> yes
[08:10] <x-f> with two requests you should get the second response complete
[08:10] <costyn> good on ya then, gonna update my code :)
[08:10] <fsphil> ah, I was using standard nmea so that might be why I didn't see the effect
[08:12] <costyn> and is there a good reason to be running checkNav so often? has it happened where it spontaneously went back into pedestrian mode?
[08:13] <jonsowman> the 5s used to do it sometimes
[08:13] <fsphil> only takes a momentary power glitch
[08:13] <jonsowman> I've not heard of a 6 doing it
[08:13] <x-f> i'm not sure, i've seen it report back weird values like 34 or similar, but no idea yet, if the navmode has actually changed
[08:14] <x-f> (i have ublox 5)
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[08:15] <costyn> ok, interesting
[08:15] <costyn> I'll just leave it in
[08:15] <fsphil> yea, better to be safe
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[09:04] <navracWork> morning all
[09:06] <eroomde> jonsowman Randomskk http://www.bbc.co.uk/news/uk-england-20073779
[09:06] <eroomde> in the unlikely chanve you havben't already seen
[09:07] <costyn> was posted here already
[09:08] <eroomde> guessed it might have been
[09:08] <eroomde> i come late to the show usually
[09:08] <costyn> yup
[09:08] <costyn> although the party wasn't that great, being spammed by the bot about twitters with the #cusf tag
[09:09] <MrScienceMan> anyone launched recently with a hwoyee balloon ?
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[09:10] <eroomde> MrScienceMan: i guess most of the recent ones?
[09:10] <MrScienceMan> i suppose, trying to test my model for estimating burst altitude
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[09:11] <MrScienceMan> could use with some real data
[09:11] <eroomde> ah yes!
[09:11] <eroomde> splendid
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[09:12] <eroomde> that is a *very* worthwhile thing to try and nail down
[09:12] <MrScienceMan> its funny, because if i plugin the variables from my flight and the other team
[09:12] <MrScienceMan> its very close to actual burst
[09:14] <UpuWork> MrScienceMan
[09:14] <UpuWork> is this your payload https://dl.dropbox.com/u/63720513/Images/TINY-closeup.png ?
[09:14] <daveake> see http://ukhas.org.uk/general:flight_data?s[]=hydrogen
[09:15] <MrScienceMan> UpuWork: yes
[09:15] <daveake> Some of us (hint: not everyone) updates that
[09:15] <eroomde> MrScienceMan: nice neat work
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[09:15] <MrScienceMan> replaced the wire that hold the sanatel antena with a string
[09:16] <eroomde> though i'm 99% sure it'll work just fine, the gps antenna might benefit from not being right next to pcb, especially if there's any copper pour around
[09:16] <eroomde> or any noisy lines like spi
[09:16] <MrScienceMan> im planning to move it for the next flight
[09:16] <MrScienceMan> for those reasons
[09:16] <eroomde> although really i should just shut up. it has a great view of the aky in a hab, no multipath or anything. i'm just splitting hairs
[09:16] <eroomde> sky*
[09:17] <eroomde> i'm trying to characterise exactly what those chinese gps jammers that truckers use do to gps
[09:17] <eroomde> they seem to be becming more prevelent
[09:17] <daveake> The tracker I flew this week has (well, had) a compromised GPS setup - ceramic antenna and all too close to the CPU. But as you say Ed, in the air that's not a bbig deal
[09:18] <eroomde> we've had a couplke of incidents with our tehtered blimp cutdown systemsa that randomly move 400m in one direction or loose lock for a few minutes at a time, very occassionally
[09:18] <eroomde> and ususally when the have LoS of a busy road
[09:18] <daveake> Interesting. What do they use the jammers for?
[09:19] <eroomde> blocking their black boxes
[09:19] <eroomde> so they can drive further/longer/faster
[09:19] <eroomde> lots of it from eastern europeans
[09:19] <eroomde> it's sort of becomming a bit of a problem
[09:19] <daveake> Thought so, but don't they have a tacho running from the engine management?
[09:19] <eroomde> to the point that for the next round of blimp cutdowns we're having a ground box at the winch and a box on the blimp and doing ranging tones between them
[09:19] <MrScienceMan> daveake: yes, would be nice to include the fill volume at launch
[09:20] <eroomde> daveake: i'm not sure. i think increasingly they just plonk in a black box aftermarket
[09:20] <daveake> Calculate that from the neck lift and balloon weight
[09:20] <daveake> eroomde OK
[09:21] <MrScienceMan> daveake: sure, could use the column for quick access
[09:23] <UpuWork> ping nosebleedkt
[09:24] <eroomde> this is rather haunting, as ed cunningham points out
[09:24] <eroomde> http://www.screaminspace.com/video/JOio_mntPcE
[09:27] <costyn> eroomde: good lord that is awful and scary, whats with the yellow colors and blurry video
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[09:33] <fsphil> how long is the submissions opened for?
[09:50] Action: fsphil fails to notice the big countdown timer
[09:50] Nick change: Cadair_away -> Cadair
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[10:10] <nosebleedkt> hi
[10:10] <nosebleedkt> UpuWork,
[10:11] <nosebleedkt> my irc is bleeding sorry :(
[10:15] <nosebleedkt> UpuWork, https://www.facebook.com/media/set/?set=a.531010533579662.138394.259791880701530&type=3
[10:15] <nosebleedkt> I think this will help you more
[10:18] <cuddykid> nice
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[10:27] <Cadair> Very nice
[10:27] <cuddykid> awesome, got retweeted by Stephen Dixon (SkyNews) - didn't know he was a follower!
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[10:40] <kokey> nice one
[10:42] <jonsowman> eroomde: yeah :D
[10:43] <kokey> wonder how well it will work, having a green laser pointer that points downwards, and shine for say 200ms every couple of seconds
[10:43] <kokey> and launch at night
[10:43] <fsphil> risky
[10:43] <fsphil> powerful laser, no way to aim it safely
[10:44] <kokey> though a very short burst might be safe, pointing downwards
[10:44] <kokey> though I guess if it shines into a car that will be an issue
[10:44] <kokey> like pilots have
[10:45] <fsphil> In Edinburgh someone shone a green laser into a car I was in, it wasn't nice
[10:45] <kokey> perhaps put something over it to scatter the light, I was just thinking of a laser as an alternative to a flashing light
[10:45] <MrScienceMan> its even worst if it was coming from space
[10:45] <fsphil> then you may as well just use an LED :)
[10:48] <fsphil> which I'm still tempted to do
[10:48] <fsphil> have it modulated with rtty
[10:49] <fsphil> there are a few people around the country with good receivers
[10:51] <costyn> I think you could have more fun if you find a way to light up the balloon in green. UFO sightings ahoy
[10:52] <cuddykid> lol
[10:52] <cuddykid> the foil of a pico lit up green would be cool
[10:53] <oh7lzb> Bright led inside balloon, that'd be fun. :)
[10:53] <costyn> yep
[10:53] <oh7lzb> Power budget might be an issue. Just flash the led.
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[10:54] <oh7lzb> More likely to get reports from airline pilots to ATCs.
[10:55] <staylo> Don't try that green laser idea please, I'd like to give this hobby a go sometime and it'd be nice if it still existed ;)
[10:55] <costyn> although bright leds do tend to generate quite a bit of heat, you'd need to keep it from hitting the inside of the ballon
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[11:10] <cuddykid> did anyone do a launch here for the Gadget Show?
[11:11] <Laurenceb> http://www.flickmylife.com/wp-content/uploads/2012/10/velagtn1.jpg
[11:11] <cuddykid> just looked at their new 'teaser' and shows a launch with the usual RTTY UKHAS stuff
[11:14] <cuddykid> guess it's a RocketBoy job then :P
[11:15] <navracWork> probably = looks like an ft790 and a 7 ele zl special....
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[11:18] <NickB_> hi all
[11:19] <NickB_> I have a question
[11:19] <NickB_> is there a reason why we are sending ASCII over rtty?
[11:19] <NickB_> couldnt we just send raw data?
[11:20] <Darkside> sure we could
[11:20] <Darkside> but the ascii strings are human readable
[11:20] <NickB_> yes indeed
[11:20] <costyn> NickB_: and most of the data from the microcontrollers is ascii (gps sentences) etc... what would you want to send as 'raw'?
[11:20] <navracWork> so when it gets low just before landing wec can pick out the partial bits of strings and work out where it is likely to have landed
[11:20] <Darkside> costyn: oh, it could be useful, for sure
[11:21] <Darkside> lat/longs can be 4 bytes each
[11:21] <Darkside> the transmitted string can be much shorter
[11:21] <NickB_> we do calculations to transfer the gps data to decimal degree so\
[11:21] <NickB_> you could just send these integers
[11:21] <Darkside> yep, you could
[11:21] <Darkside> but you won't gain much more
[11:21] <Darkside> because of RTTY's byte framing, we can't do decent error correction
[11:21] <NickB_> shorter sentences, less dropouts maybe?
[11:22] <Darkside> it might help with fast fading
[11:22] <SpeedEvil> the better way would be to add fec.
[11:22] <Darkside> problem is we can't add FEC with the current RTTY system
[11:22] <Darkside> not easiy anyway
[11:22] <Darkside> easily*
[11:22] <Darkside> we'd need a separate raw FSK mode
[11:22] <Darkside> which is a lot of work
[11:22] <SpeedEvil> that could be done even with ASCII, if we has a sync rs232 decoder
[11:22] <navracWork> yep
[11:23] <SpeedEvil> the other idea I came up with was 2 byte packets
[11:24] <SpeedEvil> one prefix means 'last char of lon', then the value
[11:24] <SpeedEvil> the least significant digits are much more common than others
[11:26] <fsphil> you could use delta-sigma modulate the position in each byte, one bit for latitude,longitude,altitude. average the received bits over the last x-bytes to calculate position
[11:27] <SpeedEvil> hmm
[11:27] <Darkside> thats an interesting one
[11:27] <SpeedEvil> I guess it fails if you lose sync
[11:28] <fsphil> a few bad bytes wouldn't push it off too much
[11:29] <fsphil> and I guess the remaining bits could transmit something for fec
[11:29] <SpeedEvil> some human readable component is a big plus.
[11:30] <Darkside> would be interesting to dump some compressed data between ascii strings
[11:30] <Darkside> though i guess SSDV already does that
[11:31] <fsphil> it does, although it's not ideal
[11:35] <SpeedEvil> practically, it all comes down to the modem
[11:35] <SpeedEvil> well, dem
[11:36] <SpeedEvil> you can even do maximal'likelyhood decoding with the existing TTY
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[11:39] edmozley (c1528126@gateway/web/freenode/ip.193.82.129.38) joined #highaltitude.
[11:40] <edmozley> Hi everyone I just wanted to introduce myself - I have decided to get into sending balloons to the edge of space with cameras and Upu has very kindly invited me to join this chat forum
[11:41] <Randomskk> hi
[11:41] <fsphil> howdy
[11:41] <SpeedEvil> upu should have given you the secret phrase!
[11:41] <SpeedEvil> (kidding)
[11:42] <edmozley> I have bought myself an arduino and so far have got an LED turning off and on - I am going to try and do some more advanced stuff and then get it to send data using a radio transmitter
[11:42] <edmozley> :)
[11:42] <fsphil> that's a good start
[11:44] <SpeedEvil> you'll need a brighter led, and a telescope to pick it up at 100km
[11:44] <edmozley> I would be very grateful if you could recommend a good altimeter that works at high altitude that can be plugged into the arduino - or will a GPS module do altitude as well as latitude and longitude?
[11:44] <costyn> SpeedEvil: :)
[11:45] <costyn> edmozley: yes
[11:45] <costyn> edmozley: http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=68
[11:46] <costyn> edmozley: but you've probably already found that right?
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[11:47] <edmozley> Thanks costyn - I hadn't found that one actually and at £40 it's a bargain!
[11:48] <costyn> edmozley: yea, that's Upu's store, he's got lots of HAB related goodies :)
[11:48] <UpuWork> wub
[11:48] <UpuWork> hi edmozley
[11:48] <x-f> heh, they're talking about "scream in space" now on Astronomy.fm radio too
[11:49] <edmozley> and this may be a stupid question but when I am testing that module does it need to be within sight of my laptop (up above me somewhere) or can I get someone to walk around my town with it and see if I can follow them from home?
[11:49] <edmozley> Hi Upu - just getting a few pointers on GPS! :)
[11:50] <UpuWork> no probs glad you made it here
[11:50] Nick change: MrScienceMan -> RG-lz1dev
[11:50] <Randomskk> x-f: :D
[11:50] <costyn> edmozley: it will need to be connected to your arduino and powered there. but once you have your radio connected you can transmit from your arduino to inside
[11:50] <costyn> edmozley: not sure if that's what you mean
[11:52] <edmozley> costyn thanks yep I meant if I got a friend to walk around with the gps plugged into the gps and power supply would it be able to transmit to me at home even if there were buildings/trees/roads/people etc. between me and him?
[11:52] <costyn> edmozley: the gps module is just taht, it will receive GPS signal and output in serial format (9600 baud) NMEA strings containing lat,lon,alti, etc which you can then read out on your arduino
[11:52] <Randomskk> oh amazing
[11:52] <Randomskk> You seriously cannot make this shit up. They are sending a mobile phone into space, strapped to a satellite, in order to test whether sounds which are played on it can be picked up in space in a vacuum.
[11:52] <Randomskk> Erm? Why? Surely students intelligent enough to gain entry into Cambridge university will realise that you dont need to send anything into space to actually do this experiment. Have these kids never heard of those rooms which can create a vacuum? Seriously, Im going to have a hard job trusting anything these future scientists come up with in the future.
[11:52] <Randomskk> http://planet.infowars.com/weird-news/more-derps-in-space
[11:53] <costyn> heh
[11:53] <x-f> haters gonna hate
[11:54] <x-f> costyn can find a meme for that
[11:54] <edmozley> costyn thanks this sounds great and I hope by the time I return to this channel I will be a step or two closer to my launch!
[11:54] <costyn> x-f: brb
[11:54] <edmozley> Thanks all!
[11:54] <costyn> edmozley: it will take a long time ; come back often :)
[11:54] <edmozley> :)
[11:54] <Randomskk> "derps in space", amazing
[11:55] <Darkside> Randomskk: what is the purpose of it?
[11:56] <Darkside> this is the STRAND thing right?
[11:56] <Darkside> the demonstrator for using cheapish phones as cubesat flight computers, right?
[11:56] <Darkside> the one presented at amsat?
[11:56] <Randomskk> uhm
[11:56] <Randomskk> yes
[11:56] <Randomskk> it's STRaND
[11:57] <Randomskk> but I would hesitate to say "cheap phones" or "flight computers"
[11:57] <Darkside> -1
[11:57] <Randomskk> >_>
[11:57] <Randomskk> well yes, STRaND-1.
[11:57] <Randomskk> whatever
[11:57] <Darkside> :P
[11:57] <costyn> x-f: having trouble finding an appropriate meme
[11:57] <Randomskk> chat to me about it next time you're in the uk >_>
[11:57] <Darkside> lol
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[11:59] <costyn> x-f: although a GIS gives some fun images http://images5.fanpop.com/image/photos/27000000/Haters-gonna-hate-x3-skilene-27010286-900-600.jpg
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[12:01] <x-f> ridiculously photogenic bird
[12:01] <UpuWork> I just clicked that hoping it was Kate Beckinsdale
[12:01] <UpuWork> I am disappoint
[12:01] <Darkside> looooool
[12:02] Nick change: Upu_M0UPU -> Upu
[12:05] <costyn> UpuWork: http://beautiful-pics.org/wp-content/uploads/2012/06/Kate_Beckinsale_13.jpg
[12:06] <UpuWork> yeah thats what I was expecting
[12:06] <Darkside> dammit
[12:06] <Darkside> somehow i'm now listening to wuthering heights
[12:07] <UpuWork> nothing wrong with a bit of Bush
[12:07] <Darkside> the link is kate
[12:07] <UpuWork> indeed
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[12:10] <fsphil> hehe, https://www.apple.com/uk/legal-judgement/
[12:10] <Randomskk> yes
[12:10] <Randomskk> the BBC initially called it an «'apology'»
[12:11] <Randomskk> then changed to 'statement'
[12:11] <Randomskk> what a total non-apology
[12:11] <Randomskk> such dicks
[12:11] <Randomskk> neglected to mention the other three countries that agreed that samsung didn't infringe, too
[12:12] <fsphil> yea, nobody could consider that an apology
[12:12] <fsphil> they just had to get a last word in at the bottom
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[12:22] Nick change: MrScienceMan -> RG-lz1dev
[12:28] <griffonbot> Received email: Frits Westra "[UKHAS] Alinco DJ-X11 + dl-fldigi ?"
[12:28] <costyn> I can't imagine a more Dutch name than that
[12:34] <griffonbot> @JB1t: Your chance to scream in space for the smartphone app riding onboard the STRaND-1 cubesat. #CUSF #SSTL... http://t.co/vprreO2H [http://twitter.com/JB1t/status/261808119066275841]
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[12:40] <UpuWork> anyone have any idea where I would get a fuse like this : http://i.imgur.com/AvDKh.jpg
[12:41] <UpuWork> from a hand held Dyson vacuum cleaner battery pack
[12:42] <UpuWork> ah its ok
[12:42] <UpuWork> Google is my friend
[12:42] <UpuWork> http://elcodis.com/parts/121921/0251015MXL.html
[12:42] <costyn> UpuWork: is it from a DC35?
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[12:42] <UpuWork> DC34
[12:42] <UpuWork> Dyson already replaced it under warranty
[12:42] <eroomde> you moisurise all but your fingertips upu
[12:42] <costyn> UpuWork: I replaced various expensive bits on mine recently because it died after the filter wasn't completely dry
[12:43] <eroomde> you have nice smooth skin up to your fingertips
[12:43] <UpuWork> lol
[12:43] <UpuWork> wash my hands 20 times a day to get the flux paste off
[12:43] <costyn> UpuWork: I replaced the pistol grip and then it still didn't work replaced the battery too, but on yours it was only the fuse that was borked?
[12:43] <UpuWork> well the pack is charging ok
[12:44] <UpuWork> but zero voltage at the pins
[12:44] <costyn> UpuWork: I had the same!
[12:44] <UpuWork> that fuse isn't conducting so assume blown
[12:44] <costyn> I thought there was some digital magick going on with the 3 other pins on the battery, which would engage the volts on the main pins
[12:44] <costyn> grrrr
[12:44] <costyn> UpuWork: sorry, getting annoyed/frustrated with myself :)
[12:44] Action: UpuWork changes the channel title to #vaccumcleanerrepairs
[12:45] <UpuWork> nah
[12:45] <costyn> I couldn't figure out how to open the battery and couldn't find any instrcutions on Google on how to do it
[12:45] <UpuWork> its just an fuse inline with the main positive lead covered in heat shrink
[12:45] <UpuWork> sec will take pics
[12:45] <costyn> thanks, then I can revive the old pack
[12:45] <costyn> heh... Littelfuse Inc
[12:46] <costyn> UpuWork: how'd your fuse blow?
[12:46] <eroomde> have you been affected by fraudulent current limiting?
[12:46] <eroomde> confused.com!
[12:46] <UpuWork> no idea costyn
[12:46] <UpuWork> its brand new
[12:47] <costyn> hmm ok
[12:47] <costyn> our DC35 we got 2nd hand, too old for warranty and we didn't have the invoice any more
[12:48] <UpuWork> http://imgur.com/a/8Qnd1
[12:49] <costyn> heh... see various plastic shrapnel lying around
[12:49] <UpuWork> thats the heatshrink
[12:49] <UpuWork> and one of the clips :)
[12:49] <UpuWork> nothing hot glue won't fix
[12:49] <costyn> ok, so you can close it up to make it usable again
[12:51] <costyn> UpuWork: there's an ungodly amount of PCB electronics in this device for a vacuum cleaner. they weren't kidding when they said it was 'digital'
[12:51] <eroomde> M3 button heads are a very pleasing kind of screw
[12:51] <eroomde> especially good stainless steel ones
[12:51] <eroomde> they make things look pretty
[12:51] <UpuWork> jsut need find a supplier for those fuses now
[12:52] <UpuWork> or bodge a automotive one in there
[12:52] <costyn> UpuWork: order me one? :)
[12:52] <UpuWork> meh
[12:53] <navracWork> ping darkside
[12:54] <Darkside> navracWork: yerp
[12:54] <navracWork> have you got two rfms handy that can talk to each other?
[12:54] <costyn> UpuWork: there seem to be some on ebay
[12:55] <Darkside> navracWork: not easily
[12:55] <Darkside> i'd have to get out of bed
[12:55] <Darkside> >_>
[12:55] <navracWork> ok dont worry - just wanted to test rfm to rfm at 0.125kbs
[12:56] <Darkside> ooh
[12:56] <Darkside> i didn't think it'd work that slow?
[12:56] <Darkside> i mean, i know the spec says it should
[12:56] <Darkside> but i didn't think it'd work
[12:56] <navracWork> the spreadsheet makes an assumption over a value
[12:56] <Darkside> ahh
[12:57] <Darkside> well 500 baud does work pretty well
[12:57] <navracWork> which if left in sets the limits - sadly if you change the assumption you have to calculate all the register values by hand
[12:57] <Darkside> but lowering it even further would be cool
[12:57] <Darkside> if you email me the register settings i'll give it a go sometime
[12:57] <Darkside> just can't do it right now
[12:57] <UpuWork> oh nice find costyn
[12:57] <navracWork> no prob - im just -1 arduino to try it with atm
[12:57] <Darkside> basically the line to stick in the RF22 library
[12:58] <navracWork> right dog walking time
[12:58] <Darkside> to add the slow mode
[12:58] <Darkside> k
[12:58] <navracWork> 1C=41,1D=40,1F = 00,20=D0,21=E0,22=00,23=01,24=00,25=FC,71=2b,72=01
[12:58] <UpuWork> Right bought some
[12:58] <navracWork> although im not sure 1f should be 1 or 80 yet
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[13:08] <Willdude123> Any good HAB blogs?
[13:08] <Willdude123> I'm bored so, I am wondering.
[13:09] <Laurenceb> we have lives
[13:10] <Laurenceb> so no blogzzzz
[13:10] <eroomde> daveakerman.com is good
[13:10] <eroomde> upu's is good
[13:10] <eroomde> lots of random links you can follow from the wiki
[13:10] <UpuWork> Dave's has pretty pictures
[13:10] <eroomde> the cusf one has some stuff
[13:11] <eroomde> tool peoples
[13:11] <eroomde> a high quality, combination ratceht and openhead 5.5mm spanner
[13:11] <eroomde> anyone know of one?
[13:12] <eroomde> ratchet*
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[13:15] <UpuWork> snapon
[13:15] <eroomde> they do one?
[13:15] <UpuWork> probably
[13:15] <UpuWork> ring them they send a man in a van round
[13:15] <UpuWork> and if you break it in 10 years the man in the van comes round and fixes it
[13:15] <eroomde> yeah i know their reputation
[13:16] <UpuWork> I bought a screw driver from e-bay 11 years ago
[13:16] <UpuWork> and the little magnet fell out that holds the bits in
[13:16] <UpuWork> they sent a man in a van round who fixed it
[13:16] <costyn> amazing
[13:16] <UpuWork> no charge
[13:16] <eroomde> that is quite impressive
[13:16] <eroomde> i often get teng stuff as it's also good quality with a lifetime guarantee on everything
[13:16] <eroomde> but i'm not sure it goes as far as a man in a van for free!
[13:17] <eroomde> i might get a torue wrench from them
[13:17] <eroomde> that's the kind of thing that might fail
[13:18] <eroomde> a normal chrome vanadium spanner, you gotta really try hard to break it
[13:19] <eroomde> jesus wept you pay for it though!
[13:19] <eroomde> just on their site
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[13:25] <cuddykid> http://www.hotukdeals.com/deals/samsung-32gb-class-10-sdhc-14-99-delivered-ebay-gizzmoheaven-outlet-1344933
[13:25] <cuddykid> good for those GoPros etc ^
[13:26] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Alinco DJ-X11 + dl-fldigi ?"
[13:26] <cuddykid> Willdude123: there's a little bit on my blog (I should update more often) - http://habe.acudworth.co.uk/blog
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[13:47] <mfa298> seems those SD cards are designed with some HAB users in mind: It features water proof technology in the form of an EMC coating (Epoxy Molding Compound). This has been tested by submerging in seawater for 24 hours. So even if your device falls in the water, your data will be safe
[13:48] <costyn> mfa298: sounds nice
[13:48] <Randomskk> that's basically all SD cards in the last decades
[13:49] <eroomde> we got the pictures off Nova 13 after it had spent several months in the north sea
[13:49] <eroomde> the sd card was fine
[13:50] <eroomde> badger 1, the flight computer, not so fine however
[13:50] <eroomde> http://www.flickr.com/photos/cuspaceflight/3863616068/in/set-72157622038400075
[13:58] <number10> you must have had a good contact label on nova
[13:59] <jonsowman> poor badger
[14:00] <eroomde> should really acrylic-spray them
[14:00] <eroomde> or pot the pcb inside a machined-from-billet aluminium housing
[14:00] <eroomde> with gold plated micro-d connectors at the edges
[14:04] <jonsowman> those are nice connectors
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[14:31] <x-f> ugh, was out for 15 minutes - got snow, hailstorm, heavy winds, saw lightning five times, heard thunder seven times, can i have my summer back now, please?
[14:33] <fsphil> but that's interesting weather .. the best kind!
[14:33] <x-f> you're welcome to import it! :)
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[14:38] <radim_OM2AMR> x-f nearly ideal for HAB launch :-D
[14:41] <fsphil> I'd launch in that ;)
[14:41] <fsphil> and nearly have, apart from the hail and thunder
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[14:42] <fsphil> nearest storm is in the mediterranean atm
[14:43] <radim_OM2AMR> fsphill, I saw there no snow, just heavy winds :-D http://www.youtube.com/watch?v=w2aH1fpCq9o
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[14:45] <nosebleedkt> ping Upu
[14:45] <UpuWork> hey nosebleedkt
[14:46] <nosebleedkt> did u read my answer>
[14:46] <UpuWork> I did thx
[14:46] <nosebleedkt> ?
[14:46] <nosebleedkt> ok
[14:46] <nosebleedkt> :D
[14:46] <UpuWork> looks great
[14:46] <UpuWork> my fave hab pictures
[14:46] <nosebleedkt> :D
[14:47] <fsphil> lol, ok that's a bit worse than mine radim_OM2AMR: http://www.flickr.com/photos/fsphil/6468200977/in/set-72157628264170117
[14:47] <fsphil> it was raining just before launch, and started snowing just after
[14:47] <fsphil> my hands where so cold I couldn't zip the cable ties
[14:51] <fsphil> right, have to go to the dentist .. :/
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[15:03] <kokey> ok, timesheet done, vouchers and etickets printed
[15:03] <kokey> ready for my holiday
[15:05] <eroomde> where are you off to?
[15:05] <kokey> south africa, for two weeks
[15:05] <kokey> seeing family mostly
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[15:05] <navracWork> ping upuwork
[15:10] <Laurenceb> http://i0.kym-cdn.com/photos/images/newsfeed/000/108/750/foreveraloneflashmob.jpg?1318992465
[15:10] <Laurenceb> i lolled
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[15:14] <UpuWork> here navrac
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[15:15] <Lunar_LanderU> hello
[15:16] <Lunar_LanderU> I just have been outside to check my GPS again and went a bit farther from the bulding
[15:16] <Lunar_LanderU> building
[15:16] <Lunar_LanderU> google maps says 52.284424N 8.02481E
[15:17] <Lunar_LanderU> the GPS connected to the FTDI directly,reading the NMEA with Virtual GPS said 52.2844N 8.024726E
[15:17] <Lunar_LanderU> my program then sent out via the NTX2 52.284462N 8.024687E
[15:17] <Lunar_LanderU> that's about 10 m accurate
[15:17] <UpuWork> acceptable
[15:17] <Lunar_LanderU> yea
[15:17] <Lunar_LanderU> FINALLY!
[15:17] <Lunar_LanderU> it's October 26th, 2012
[15:17] <Lunar_LanderU> 5:17 pm CEST
[15:18] <navracWork> oops got distracted - got avrstudio6 talking to the skt500mkII now and it can read the chip, what bootloader did you use?
[15:18] <Lunar_LanderU> and it's done
[15:18] <Lunar_LanderU> :D
[15:18] <navracWork> which bootloader even...
[15:18] <Lunar_LanderU> UpuWork: we even added an extra :)
[15:18] <Lunar_LanderU> I just say
[15:18] <Lunar_LanderU> Geofence
[15:18] <Lunar_LanderU> :D
[15:19] <Lunar_LanderU> well, I have to bring the laptop back to its power cord
[15:19] <Lunar_LanderU> talk to you later
[15:19] <Lunar_LanderU> and THANK YOU
[15:19] <Lunar_LanderU> :)
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[15:20] <Lunar_LanderU> hey Dan-K2VOL
[15:20] <Lunar_LanderU> programming done :)
[15:20] <Lunar_LanderU> be back later
[15:20] <Dan-K2VOL> hey kevin
[15:20] <UpuWork> evening Dan
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[15:21] <UpuWork> back in the US ?
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[15:31] <navracWork> ping upuWork
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[15:37] <UpuWork> stil here navracWork :)
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[15:39] <navracWork> sorry - i got called away last time :-( - just to say I reflashed the bootloader and the badgeboard programs now
[15:39] <UpuWork> oh
[15:39] <UpuWork> another one in the post :)
[15:39] <navracWork> i'll get them to chat to each other over the rfm link then
[15:40] <UpuWork> ok
[15:40] <navracWork> keep each other company
[15:40] <navracWork> and test this relay idea out
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[16:03] <griffonbot> @mtrsvr: RT @BloggersDotCom Littlegoldstars from #UKhas been featured, her profile http://t.co/dufanD0V and Blog http://t.co/RZ7yN4Kv #blogger #blog [http://twitter.com/mtrsvr/status/261860732537282561]
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[16:49] <MiniMail> d[-_^]b
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[16:56] <Lunar_LanderU> hello
[16:56] <Lunar_LanderU> daveake: I think I made it now, I tested the GPS again today and then only got about 10 m error
[16:56] <daveake> good
[16:57] <daveake> We can forget that one then
[16:57] <Lunar_LanderU> however, a few minutes ago I had it sitting in the lab for about an hour but with the power to it still on
[16:57] <Lunar_LanderU> it suddenly started to give a longitude of -108 and latitude of 5.something
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[16:57] <Lunar_LanderU> I went out with it again and when I came back it had the real position again
[16:59] <Lunar_LanderU> don't know what had happened there but it made me sweat of course
[16:59] <Lunar_LanderU> first thing I did was that I followed your suggestion and had it print the unformatted coordinates via serial and they were the same
[17:00] <Lunar_LanderU> then I figured that the data might have been stale cause it was out of sight to the satellites for that long
[17:00] <number10> yes GPS indoors will give you problems - so will launching you balloon indoors
[17:00] <number10> +r
[17:00] <Lunar_LanderU> xD
[17:01] <daveake> Avoids all that landing in tree stuff though
[17:01] <Lunar_LanderU> yea :D
[17:01] <Lunar_LanderU> another thing that didn't work however was a geofence test
[17:02] <Lunar_LanderU> I wanted it to calculate a distance from the coordinates it would get, using some sines and cosines
[17:02] <Lunar_LanderU> the result was a plain 0
[17:02] <number10> thats not a problem as the balloon will be fenced in if you launch indoors
[17:02] <Lunar_LanderU> like it didn't even do the maths
[17:02] <Lunar_LanderU> XD
[17:04] <daveake> KISS
[17:04] <Lunar_LanderU> yea
[17:04] Nick change: Cadair_away -> Cadair
[17:04] <Lunar_LanderU> well I have to leave now
[17:04] <Lunar_LanderU> talk to you probably in 80 minutes
[17:04] <Lunar_LanderU> :)
[17:05] Nick change: Cadair -> Cadair_away
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[17:05] <Willdude123> Can someone help me? I am using stereo mix on windows (which works). I am playing back a recording of rtty sound from ICARUS. I have set it up to listen to it. I am seeing 2 lines, but I just get random text.
[17:06] <Willdude123> dl-fdigi btw.
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[17:06] <daveake> Check ... baud rate / data bits / stop bits
[17:06] <daveake> And try pressing the RV button
[17:07] <Upu> Willdude123
[17:07] <Upu> go to www.join.me and let us see what you're doing
[17:07] <Upu> we can't control your machine just see
[17:07] <Willdude123> Blocked.
[17:07] <Upu> who set that dire software up on your machine ?
[17:07] <Upu> your parents ?
[17:08] <Upu> need to introduce you to ssh tunnel socks proxies..
[17:09] <Willdude123> It isn't proxy based or DNS based.
[17:10] <Willdude123> A minor thing is, the application that I was using for stereo mix (because native stereo mix stopped working) doesn't work very well and obliterated my actual speaker and microphone's driver.
[17:10] <Upu> its not set correctly any security software that stops you doing legitimate stuff is crap anyway
[17:10] <Upu> take a screen shot and post it to imgur.com
[17:10] <Upu> and pls tell me thats not blocked
[17:11] <Willdude123> I'd be lying to say so. Do you mind helping me fix this weird issue (through logmein) with my speaker drivers being obliterated?
[17:12] <Upu> sigh :)
[17:12] <Upu> ok
[17:12] <Upu> www.nevis.co.uk top right click nevis remote
[17:13] <daveake> daveake> Check ... baud rate / data bits / stop bits
[17:13] <daveake> <daveake> And try pressing the RV button
[17:13] <Willdude123> Thank you very much.
[17:14] <Upu> play the file
[17:15] <Willdude123> Oh, I haven't downloaded it.
[17:15] <Upu> so whats he issue ?
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[17:16] <Upu> just the wrong number of bits
[17:16] <Upu> it was actually *n1
[17:16] <Upu> 8n1
[17:16] <daveake> daveake> Check ... baud rate / data bits / stop bits
[17:16] <daveake> <daveake> And try pressing the RV button
[17:16] Action: daveake looks for nearest wall
[17:16] <Upu> I think Dave is saying I told you so :)
[17:16] <Willdude123> Cool. Can you try and help me with the driver issue please?
[17:17] <Upu> whats the issue ?
[17:18] <Willdude123> This stupid stereo mix plus software I installed earlier. It set the soundcard drivers to something else and now it doesn't work at all.
[17:19] <Upu> uninstall it
[17:19] <Upu> I mean the program and the lot it came with
[17:20] <Upu> is it in add/remove ?
[17:20] <Upu> go remove it and reboot
[17:20] <Willdude123> Yeah, the virtual audio drivers. I've uninstalled the program.
[17:20] <Upu> oh ok
[17:20] <daveake> And ask yourself why you installed it, because if the answer is "to test that Icarus file" you didn't need it
[17:20] <Upu> reboot
[17:21] <Willdude123> It's not the realtek driver.
[17:21] <Upu> no I was just seeing if that was disabled
[17:21] <Willdude123> sorry.
[17:21] <Upu> thats ok
[17:21] <Upu> go reboot
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[18:11] <griffonbot> Received email: Matt Holmes "Re: [UKHAS] Alinco DJ-X11 + dl-fldigi ?"
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[18:24] <Lunar_Lander> hello
[18:25] Action: fsphil waves
[18:29] Action: daveake surfs
[18:29] <number10> [18:04] <Lunar_LanderU> talk to you probably in 80 minutes
[18:30] <daveake> Germanic accuracy
[18:30] <number10> what did you do in those 80 minuetes
[18:34] <Lunar_Lander> driving home
[18:34] <number10> no traffic james there?
[18:35] <number10> -e
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[18:35] <Lunar_Lander> well, I had to take the bus and the train
[18:35] <Lunar_Lander> and thus I am quite bound to timetables and stuff
[18:36] <number10> it sounds like a reliable system of public transport
[18:36] <fsphil> timetables in the UK operate on ISH time
[18:36] <Lunar_Lander> ah
[18:36] <Lunar_Lander> well railways privately owned work well
[18:36] <Lunar_Lander> however when I got on the train, I heard the announcer say the following about the DB train from Amsterdam to Berlin
[18:37] <Lunar_Lander> "This train is about 120 minutes delayed. Passengers to Hannover are recommended to take the WestfalenBahn (private operator) to Herford ..."
[18:38] <number10> did everyone take the recommendation?
[18:43] <Lunar_Lander> I don't know
[18:43] <Lunar_Lander> my train was actually the train that people were recommended to take
[18:43] <Lunar_Lander> and the temperature was about 3°C
[18:43] <fsphil> we had some snow nearby today
[18:43] <fsphil> woo
[18:44] <fsphil> hail on lower ground
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[19:16] <KT5TK_QRL> Electrophoresis Apparatus for Hydrogen (H2) Synthesis: http://imageshack.us/g/1/9834123/
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[19:18] <fsphil> oh that's vastly better than mine
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[19:20] <fsphil> what's inside the bottom part?
[19:20] <KT5TK_QRL> Two stainless steel electrodes
[19:21] <KT5TK_QRL> Made of Screws with nut/washer/nut/washer etc
[19:22] <KT5TK_QRL> For ion conductivity I use dest. water with NaOH
[19:23] <navrac> this is a good game - join a conversation half way through and try to guess what people are talking about
[19:23] <KT5TK_QRL> we just started the conversation
[19:24] <navrac> i got it from whats inside the bottom part...
[19:24] <KT5TK_QRL> http://imageshack.us/g/1/9834123/
[19:25] <navrac> diy hydrogen?
[19:25] <KT5TK_QRL> 8-)
[19:26] <fsphil> have you tried it yet?
[19:26] <KT5TK_QRL> sure
[19:26] <fsphil> oh wait, there's a voltage on the display
[19:27] <fsphil> my attempt ended up just producing rusty water and a small amount of H2
[19:27] <KT5TK_QRL> I need a mylar to fill though. My used one had a puncture.
[19:27] <KT5TK_QRL> Did you use NaCl?
[19:27] <fsphil> nope, just tap water
[19:28] <navrac> something nice about producing it yourself
[19:28] <KT5TK_QRL> still bad.
[19:28] <KT5TK_QRL> Use dest water and KOH or NaOH
[19:28] <navrac> hmm pico filling
[19:29] <fsphil> don't you end up with sodium hydroxide and chlorine, as well as the H2?
[19:30] <KT5TK_QRL> I need several batches to fill a single 3ft mylar. Not really efficient, but fun.
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[19:31] <KT5TK_QRL> There is no chlorine in NaOH (or water)
[19:31] <KT5TK_QRL> Cl is agressive and dissolves your Anode
[19:31] <navrac> it might take several goes - but there is a sense of achievement you dont get from a bottle
[19:32] <navrac> my only worry is the tendency of picos to come down still inflated
[19:32] <KT5TK_QRL> Use onboard solar pannels to refill Hydrogen?
[19:33] <navrac> but you have to lift the water in the first place
[19:33] <navrac> or harvest the rain - we get a lot of that here
[19:34] <KT5TK_QRL> Not much water needed.
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[19:36] <navrac> evening james - you pinged me last night?
[19:40] <jcoxon> evening all
[19:40] <jcoxon> oh was just going to chat about balloons
[19:41] <navrac> really? is this the right channel for that?
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[19:41] <jcoxon> well i did have to check
[19:42] <navrac> thats what i like about this channel - i popped on to see a discussion about generating your own hydrogen
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[19:43] <Laurenceb_> navrac: ive launched a few "picohabs" using my own H2
[19:43] <Laurenceb_> way back in 2002 ish
[19:43] <Laurenceb_> where pico is wheely bin liner and flashing leds
[19:43] <SpeedEvil> boring,
[19:44] <Laurenceb_> wait did spacenear just move over to openstreetmap?
[19:44] <SpeedEvil> next time go for launching the wheely bin,
[19:44] <Laurenceb_> ah no, nottingham is missing
[19:44] <Laurenceb_> the graphics seem to have changed subtly
[19:45] <SpeedEvil> I'm fairly sure osm has Nottingham
[19:46] <Randomskk> it didn't anyway
[19:47] <fsphil> it does
[19:48] Nick change: SAIDias -> W0OTM
[19:48] <W0OTM> iHAB-8 "X" Marks the Spot Sat - October 27, 2012 Launch: 16:ØØZ - 11AM CDT"
[19:49] <fsphil> x-cellent
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[19:50] <SpeedEvil> http://www.openstreetmap.org/?lat=52.903&lon=-1.162&zoom=11&layers=M
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[19:57] <Laurenceb_> i found gotham
[20:01] <griffonbot> @AnthonyStirk: http://t.co/WStVCHdY pAvaR6 all packaged pink and ready to go, looks like a camp deathstar :) #ukhas [http://twitter.com/AnthonyStirk/status/261920424970031105]
[20:01] <jcoxon> just saw a balloon on bbc2
[20:01] <Upu> which program ?
[20:02] <jcoxon> about the new richard hammond show
[20:02] <jcoxon> it was an advert
[20:02] <Upu> probably a Random engineering production
[20:03] <fsphil> all we need is clarkson to try one now
[20:05] <Laurenceb_> he would complain about the cornering
[20:05] <fsphil> 0-60 time would be pretty good
[20:07] Action: SpeedEvil was yelling at his laptop yesterday.
[20:07] <SpeedEvil> BBC programming on voyager.
[20:07] <Upu> oh watched that
[20:07] <SpeedEvil> repeated use of the phrase 'solved the three body problem'
[20:10] <Laurenceb_> lol
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[20:11] <Laurenceb_> http://www2.b3ta.com/host/creative/69639/1315057930/cameronthreesome.gif
[20:11] <Laurenceb_> three body problem
[20:13] <MLow> well im bored
[20:14] <MLow> time between my double shift is always spend reading slashdot
[20:14] <MLow> wish i had just a bit more time and could get something done
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[20:21] <KT5TK_QRL> Finally got it on youtube: http://www.youtube.com/watch?v=kGrVSrXhfLw&noredirect=1
[20:21] <W0OTM> fsphil: checkout my tracker http://www.ihabproject.com/Tracker/?vehicle=&mission_id=iHAB-8
[20:23] <hyte> KT5TK_QRL what is the v, i and rate of production?
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[20:24] <fsphil> I'm getting a weird ticking sound from that W0OTM
[20:24] <fsphil> oh, it's a clock
[20:25] <fsphil> that would explain it ;)
[20:25] <W0OTM> LOL
[20:25] <KT5TK_QRL> Good question, I didn't actually measure the volume production per time. Also the gas gets more and more compressed over time.
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[20:26] <fsphil> this will have another repeater W0OTM?
[20:26] <W0OTM> fsphil: No, 20 meter beacon
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[20:27] <hyte> you could make a gas bladder out of pe film
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[20:44] <fsphil> nice
[20:46] <Willdude123> I am trying to test dl fdigi with http://en.wikipedia.org/wiki/File:RTTY.ogg, I have set the settings correctly, but the two lines don't meet the red ones on the waterfall (are too close together). Can anyone help?
[20:47] <griffonbot> Received email: Steve Daniels "[UKHAS] Guinness Record attempt"
[20:47] <navrac> right click on rtty on the bottom left, select custom then change the shift value to suit
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[20:51] <Willdude123> It says 170hz, and that is how it's set.
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[21:12] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Guinness Record attempt"
[21:14] Last message repeated 1 time(s).
[21:14] <jonsowman> lol ^
[21:14] <Upu> :)
[21:15] <jonsowman> is that guy on the ukhas list? steve only replied to the list
[21:15] <Upu> must be ?
[21:16] <jonsowman> correct
[21:16] <jonsowman> ignore me :)
[21:16] <Upu> ignored :)
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[21:50] <griffonbot> Received email: Adam Greig "[UKHAS] Nova 23 landing footage"
[21:52] <Upu> lol
[21:53] <Upu> they don't sound too impressed
[21:53] <Randomskk> so unimpressed
[21:53] <Randomskk> a fair bit of swearing
[21:53] <Randomskk> I think he said something quite uncharitable about jon too
[21:54] <Upu> freebies with it
[21:54] <RG-lz1dev> +1 for tf2 theme music
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[21:54] <Randomskk> also (not in the video) is "not gonna call it.. knowing my luck they'd just want me to drop it off somewhere"
[21:54] <Upu> we might win something haha
[21:54] <Randomskk> (that was the manager not gonna call it)
[21:54] <Upu> how long after this did you turn up ?
[21:55] <Randomskk> half an hour maybe
[21:55] <Upu> it was bloody close to that road
[21:55] <Randomskk> there's a great shot of the GSM tracker being thrown onto the roof, but it's from the camera watching the sponsor item thing sadly
[21:55] <Randomskk> haha yea I know
[21:55] <Randomskk> I was shitting bricks on the way down
[21:55] <Randomskk> we were watching it the whole way
[21:55] <Randomskk> I was running to try and catch it
[21:55] <Randomskk> then the road got in the way
[21:55] <Randomskk> saw it go down behind a hedge on the other side of the road
[21:55] <Randomskk> didn't see it hit the roof of the construction site, so then had to drive back around and figure out which site etc
[21:56] <Upu> interesting
[21:56] <Randomskk> thought it might have been in the bush on the side of the road
[21:56] <Upu> I actually thought you'd faked the GPS coordinates slightly as it had a GoPro on it
[21:56] <Lunar_Lander> jonsowman, Upu Randomskk I think my program is done :)
[21:56] Action: Upu tin foil hat
[21:56] <Upu> as you were up the road
[21:56] <Randomskk> so was wandering around the side of the road for ages
[21:56] <Upu> did they call you in the end ?
[21:56] <Randomskk> oh with the chase car thing?
[21:56] <Upu> tes
[21:56] <Randomskk> no, they didn't call us
[21:56] <Upu> yes
[21:56] <Randomskk> nah the chase car was me being silly mostly
[21:56] <Randomskk> I thought it was just on the side of the road
[21:57] <Randomskk> so was wandering along the side of this quite busy road
[21:57] <Upu> good Lunar_Lander
[21:57] <Randomskk> getting stung by nettles
[21:57] <Randomskk> looking in hedges
[21:57] <Upu> funny when you're sat here
[21:57] <Lunar_Lander> Upu, I inserted an altitude criterium, 20000 m for the cutdown
[21:57] <Upu> you know exactly where it is
[21:57] <Lunar_Lander> then I hardcoded 30000 m in there
[21:57] <Randomskk> and chatting to danielsaul on gtalk to try an get actual coordinates
[21:57] <Lunar_Lander> and the red LED went on
[21:57] <Lunar_Lander> :)
[21:57] <Randomskk> then eventually jon found somewhere to park
[21:57] <Upu> but when your on the ground you have no idea
[21:57] <Randomskk> we decoded another string
[21:57] <Randomskk> yea indeed
[21:57] <Randomskk> realised it must be inside the building site about the same time we met up with number10
[21:58] <Upu> good Lunar_Lander now double double check it
[21:58] <Randomskk> then we wandered in and went to the site office and they were just like
[21:58] <Upu> then launch
[21:58] <Lunar_Lander> yea
[21:58] <Randomskk> "are you here for the parachute thing?" "yup" "oh sure it's just in the office upstairs"
[21:58] <Randomskk> it was great.
[21:58] <Upu> well
[21:58] <SpeedEvil> hah
[21:58] <Randomskk> then we took it all back to the car
[21:58] <Randomskk> opened the boxes up
[21:58] <griffonbot> Received email: MrScienceMan "[UKHAS] Re: Nova 23 landing footage"
[21:58] <Randomskk> found that the GSM tracker which we'd duct taped to the inside lid of the payload box was missing
[21:58] <Upu> you got it back but it was exactly where the map said
[21:59] <Randomskk> was a bit like "how did that happen...."
[21:59] <Upu> hmm
[21:59] <Randomskk> went back and asked and they went to have a look on the roof
[21:59] <Randomskk> and "found" it :P
[21:59] <Randomskk> "must have fallen out"
[21:59] <Randomskk> Upu: yea. I think the map even shows where they picked it up and carried it to the site office
[21:59] <fsphil> that's brilliant
[21:59] <Upu> leave your mobiles next time
[21:59] <Upu> I'll call you with coords
[22:00] <Upu> you drove right past twice :)
[22:00] <Randomskk> haha yea D:
[22:00] <Randomskk> will do. or perhaps just be a bit more sensible about getting a position first
[22:00] <Randomskk> but I was sure it must be right close to the road
[22:00] <natrium42> i got an email from a certain First Name: Science, Last Name: Man
[22:00] <Upu> yeah but thats how it works
[22:00] <Upu> correct natrium42
[22:00] <Randomskk> (me) (hedge)(big road)(hedge) (constrcuuction site)
[22:00] <Upu> its so much harder on the ground
[22:00] <Randomskk> yea indeed
[22:01] <RG-lz1dev> natrium42: it woulds seem so
[22:01] <Upu> pava took us ages to locate
[22:01] <Randomskk> need an android app
[22:01] <Upu> these pesky road things in the way
[22:01] <Randomskk> payload is this way -->
[22:01] <Upu> well Dave's app does thqat
[22:01] <Upu> works really well
[22:02] <Upu> in fact Dave located it by putting the coords into an app on his phone and it pointing him to it
[22:02] <Upu> btw
[22:02] <RG-lz1dev> did it have voice ?
[22:02] <Randomskk> I have that app
[22:02] <RG-lz1dev> saying like 'NOT THAT WAY, THIS WAY"
[22:02] <Upu> if anyone is interested zoom in on PAVA/QAVA on spacenear.us
[22:02] <Randomskk> and a handheld GPS that does the same thing
[22:02] <Randomskk> both really nicely
[22:02] <Upu> PAVA is a ublox with a passive
[22:02] <Randomskk> but I didn't actually get coords for them >_>
[22:02] <Upu> UAVA is Adafruit Ultimate with active
[22:03] <Upu> note the deviation on the Adafruit module
[22:03] <Randomskk> wow
[22:03] <Randomskk> <3 ublox I guess
[22:03] <Upu> yeah loving it more each day
[22:03] <Upu> thats a prototype one they sent me that should be able to do at least 40km
[22:04] <Randomskk> you do seem to be getting all the toys ;)
[22:04] <Upu> I worked out the secret
[22:04] <Upu> just ask nicely
[22:04] <Randomskk> hehe yes it's amazing where that'l get you
[22:04] <Upu> if you can give something back
[22:05] <Upu> I jsut offered to put one over 40km and that was all they wanted
[22:05] <Upu> Also means we can make the wiki more accurate anyway
[22:06] <Lunar_Lander> Upu, I want to show you a phenomenon I got earlier on
[22:06] <Upu> oh boy do I have to be sat down ?
[22:06] <Lunar_Lander> maybe
[22:06] <Lunar_Lander> I had the system sitting around for about 1.5 h in the lab
[22:06] <Lunar_Lander> then I got this $$OERNEN-II,1,16:26:55,5.046946,-101.280700µb!,0.0,6.0,0.0,0.0,0.0,24.60,99792.00,128.51,24.00,33.00,6.73,3.76,0.0,*5CA8
[22:06] <Lunar_Lander> $$OERNEN-II,2,16:27:05,5.046946,-101.280700µb!,0.0,6.0,0.0,0.0,0.0,24.60,99798.00,128.25,24.00,33.00,7.16,3.76,0.0,*2F14
[22:06] <Lunar_Lander> sorry, wait
[22:07] <RG-lz1dev> cordinates switched?
[22:07] <natrium42> hello kevin
[22:07] <Lunar_Lander> hello
[22:07] <Lunar_Lander> here http://paste.ubuntu.com/1308302/
[22:07] <natrium42> i heard you are launching in october
[22:07] <Lunar_Lander> I thought what in the world had happened
[22:07] <Lunar_Lander> november maybe
[22:08] <DrLuke> wow, that recovery video of Nova 23 is hilarious
[22:08] <Upu> needs more testing I suspect
[22:08] <Lunar_Lander> Upu, then I went outside
[22:08] <Lunar_Lander> and then I got like
[22:08] <Lunar_Lander> $$OERNEN-II,1,16:40:43,52.284466,8.024485,201.0,6.0,0.0,0.0,0.0,19.50,99796.00,128.25,19.00,40.00,5.44,3.76,0.0,*C326
[22:08] <Randomskk> DrLuke: :D
[22:08] <Lunar_Lander> back to normal
[22:08] <DrLuke> Randomskk: that video with "harmless scientific experiment" made me laugh
[22:09] <RG-lz1dev> Lunar_Lander: perhaps an uninitialized parameter?
[22:09] <DrLuke> part*
[22:09] <Lunar_Lander> hm well the board was powered, the arduino was powered down
[22:09] <DrLuke> are all british people like that? haha
[22:09] <Lunar_Lander> so the GPS still was powered
[22:10] <Lunar_Lander> DrLuke, is that the video where the onboard camera films office people pulling the payload apart?
[22:10] <DrLuke> yeah
[22:10] <RG-lz1dev> FREEBIES!
[22:10] <DrLuke> some batteries
[22:10] <DrLuke> haha
[22:10] <RG-lz1dev> essentially you could see yourself as santa
[22:10] <RG-lz1dev> have a small present inside the payload
[22:11] <RG-lz1dev> chrismas habing
[22:11] <natrium42> rofl
[22:11] <DrLuke> heh
[22:11] <RG-lz1dev> or
[22:11] <DrLuke> it came really close to landing on the motorway though
[22:11] <RG-lz1dev> let me iterate on the idea
[22:11] <Upu> yeah was a bit concerning
[22:11] <RG-lz1dev> have multiple presents with individual cut downs
[22:11] <DrLuke> but there's no way to avoid that really
[22:11] <Upu> it was just hovering near the road for ages
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[22:14] <Randomskk> also if you look close at the video
[22:14] <Randomskk> they have scratched an obscenity into the paintwork on the crane
[22:14] <Randomskk> around 2.52
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[22:16] <DrLuke> you have some eagle eyes: http://i.imgur.com/B9mKR.png
[22:17] <RG-lz1dev> caught!
[22:17] <Randomskk> it helps that I've spent a few hours watching this over and over in 720p
[22:17] <Randomskk> (it's my video)
[22:18] <DrLuke> :D
[22:18] <DrLuke> I can imagine
[22:18] <arko> lol
[22:18] <DrLuke> I also alway rewatch my videos
[22:18] <LazyLeopard> Randomskk: It's a classic ;)
[22:18] <Randomskk> it was more the editing and sticking together stage :P
[22:18] <DrLuke> and right now I'm uploading a new one
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[22:21] <DrLuke> http://www.youtube.com/watch?v=I-JwBK3vunk
[22:21] <DrLuke> there we go
[22:22] <Randomskk> :D
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[22:22] <DrLuke> now to build everything into a paper plane
[22:22] <DrLuke> and launch it in a lecture
[22:23] <DrLuke> (our professor challenged us)
[22:23] <DrLuke> he said he won't mind if we throw paper planes, but we have to make them interesting
[22:24] <RG-lz1dev> set it on fire just before you throw it
[22:24] <DrLuke> lol
[22:24] <Randomskk> I have set things on fire to make them count as "interesting" before
[22:24] <Randomskk> won points
[22:24] <DrLuke> haha
[22:24] <Randomskk> in this case a hat
[22:24] <Randomskk> that was on my head
[22:24] <DrLuke> well, a burning paper plane is always fun
[22:24] <Randomskk> in the shape of a pheonix
[22:24] <Randomskk> doused in parafin
[22:24] <Lunar_Lander> do you know the worst thing that happens when you work with trigonometric functions?
[22:24] <DanielRichman> division by zero? that's usually a pita
[22:24] <RG-lz1dev> floating point operations ?
[22:24] <Randomskk> Lunar_Lander: you end up with a hyperbolic cotangent multiplying things?
[22:25] <Lunar_Lander> XD
[22:25] <Randomskk> I hated that
[22:25] <Lunar_Lander> that you feed the functions with degrees but the functions are defined in radians
[22:25] <DrLuke> Sometimes I get results in the third dimensions, even though I only was working in 2
[22:25] <Randomskk> DrLuke: that sucks too
[22:27] <Lunar_Lander> but do you know what I don't know?
[22:27] <DanielRichman> that is a multi valued function
[22:28] <Lunar_Lander> I printed all these values in there via serial: http://paste.ubuntu.com/1308312/
[22:28] <Lunar_Lander> but everything was 0
[22:28] <DrLuke> to be honest, degrees suck anyways
[22:28] <DrLuke> they're so arbitrary
[22:28] <DrLuke> just like miles and feet
[22:28] <Lunar_Lander> yea
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[22:29] <Lunar_Lander> any ideas?
[22:29] <DrLuke> what's your problem
[22:29] <DrLuke> just convert degrees to radians and be done with it
[22:29] <Lunar_Lander> yea I did that
[22:30] <Lunar_Lander> I repeat, I had the arduino print all the values that appear there with serial.print
[22:30] <DrLuke> then your values are wrong
[22:30] <Lunar_Lander> but according to that, everything is 0
[22:30] <DrLuke> or you passed it integers
[22:30] <DrLuke> Zeta * 6370;
[22:30] <DrLuke> make that Zeta * 6370.0;
[22:30] <Lunar_Lander> ok
[22:30] <RG-lz1dev> not sure if serial.print can do floats
[22:30] <DrLuke> it can I think
[22:30] <Lunar_Lander> hm, printing float sensor variables never has been a problem before
[22:32] <DrLuke> well did you apply my suggestion?
[22:33] <Lunar_Lander> not yet
[22:33] <Lunar_Lander> I have my system at the lab, but I got a arduino Mega 2560 here
[22:33] <RG-lz1dev> well
[22:33] <RG-lz1dev> print does round to .2
[22:34] <RG-lz1dev> so perhaps your number is smaller
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[22:34] <DrLuke> check if it's bigger than 0.0
[22:34] <Lunar_Lander> the expected result is 8000
[22:34] <Lunar_Lander> I took the degrees from the worked wikipedia example
[22:34] <RG-lz1dev> you can do print(n, 4)
[22:35] <Lunar_Lander> ah
[22:35] <RG-lz1dev> to get more digits
[22:36] <DrLuke> *cough* don't use arduino *cough*
[22:36] <DrLuke> those problems would never have aroused :)
[22:36] <Lunar_Lander> XD
[22:36] <Lunar_Lander> btw what do you think of the new Due?
[22:37] <DrLuke> I don't know the specs
[22:37] <DrLuke> but eh
[22:37] <DrLuke> it's arduino
[22:38] <DrLuke> the hardware will be good as always, but the software is bad
[22:38] <Lunar_Lander> xD
[22:38] <Lunar_Lander> people already complain about the new 1.5 IDE
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[22:41] <griffonbot> @badas_tweets: RT @BBCAmos: Your chance to scream in space for the smartphone app riding onboard the STRaND-1 cubesat. #CUSF #SSTL http://t.co/x8s2zkUR [http://twitter.com/badas_tweets/status/261960795464810496]
[22:42] <RG-lz1dev> 12bit adc
[22:42] <RG-lz1dev> cool
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[22:53] <RG-lz1dev> http://blog.stephenwolfram.com/2012/10/kids-arduinos-and-quadricopters/
[22:53] <RG-lz1dev> perhaps I should take a look mathematica
[22:54] <RG-lz1dev> sounds pretty powerful
[22:55] <Laurenceb_> haha wolfram
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[23:04] <griffonbot> Received email: Steve Daniels "RE: [UKHAS] Guinness Record attempt"
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[00:00] --- Sat Oct 27 2012