highaltitude.log.20110623

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[00:44] <SpeedEvil> Balloon sensor-fun
[00:44] <SpeedEvil> http://www.ti.com/ww/en/analog/tmp006/index.shtml?DCMP=hpa-tmp-tmp006&HQS=Other+BA+tmp006-bhp
[00:44] <SpeedEvil> IR sensor - digital
[00:44] <SpeedEvil> Oooh!
[00:45] <SpeedEvil> That would be _really_ awesome for horizon sensors for teeny things.
[00:45] <SpeedEvil> Though on reflection the need fo that has consuderably reduced now that accel/gyro have gotten so cheap
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[01:13] <Randomskk> hmmm
[01:13] <Randomskk> I have a radio
[01:13] <Randomskk> it may be transmitting
[01:13] <Randomskk> if so I have no clue what frequency
[01:13] <Randomskk> it could be, technically, anything from 75MHz to 1GHz depending on radio setup.
[01:13] <Randomskk> its output network is tuned for approximately 434MHz
[01:13] <Randomskk> it will be transmitting a single tone, or in FM a constant silencing
[01:13] <Randomskk> this is gonna be so much fun to find
[01:14] <SpeedEvil> I would let you borrow my frequency meter - but ...
[01:15] <Randomskk> I don't even know for sure that it's transmitting
[01:15] <Randomskk> love magic boxes
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[01:50] <Randomskk> oh for crap's sake
[01:50] <Randomskk> I found a tone on 432MHz
[01:51] <Randomskk> but it appears to be... a harmonic of one of the ARM's internal clocks, and nothing to do with my radio
[01:53] <SpeedEvil> :)
[01:55] <Darkside> Randomskk: ARM?
[01:55] <Randomskk> the microprocessor I'm using
[01:56] <Darkside> telemetry payload?
[01:56] <Randomskk> I can't even tell if the radio is transmitting, let alone what frequency :|
[01:56] <Randomskk> Darkside: just testing a radio
[01:56] <Darkside> ok
[01:56] <Randomskk> ARM is my nearest/easiest dev board :P
[01:58] <Darkside> heh ok
[01:58] <Darkside> what radio?
[01:58] <Randomskk> ADF7012
[01:58] <Randomskk> it's an analog devices radio on a chip thing
[01:59] <Darkside> hmm ok
[02:00] <Darkside> 75MHz to 1GHz!
[02:00] <Randomskk> yea
[02:00] <Randomskk> it has a fairly wide frequency range
[02:01] <Darkside> wow
[02:01] <Darkside> do you have a dev-board or something?
[02:01] <Randomskk> not really, I made up a circuit board for it
[02:02] <Darkside> mm ok
[02:02] <Randomskk> http://hexoc.com/u/adf_front.jpg
[02:02] <Randomskk> http://hexoc.com/u/adf_back.jpg
[02:04] <Darkside> cool
[02:04] <Darkside> i'm currently looking at this: http://www.mirics.com/fm_files/Mirics_MSi002_June10.pdf
[02:04] <Randomskk> oh, nice
[02:04] <Randomskk> what for?
[02:05] <Darkside> wideband HF SDR
[02:05] <Randomskk> sweet
[02:05] <Darkside> ideally to be used in a remote RX site, for analysis of DRM signals
[02:05] <Darkside> that chip -> Blackfin DSP -> small HF transmitter
[02:05] <Darkside> needs to be a DSP, because i'm going to need to do 4096-point FFTs
[02:06] <Darkside> its the only way you can resolve the DRM frequency references, and do frequency offset correction
[02:06] <Darkside> i was considering using an ARM, but decided to go all out and use a Blackfin and run uClinux on it >_>
[02:06] <Randomskk> sounds pretty cool
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[02:07] <Darkside> mm
[02:07] <Darkside> my RX bandwidth will depend on what ADC i choose
[02:07] <Darkside> i'm thinking a 96KHz I2S audio codec will do
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[02:57] <SpeedEvil> Darkside: neat!
[02:57] <SpeedEvil> however - you get a _Lot_ wider than 96 nowadays
[02:57] <Darkside> well yes
[02:57] <SpeedEvil> It'd probably mean going FPGA to do a 100MHz SDR though
[02:58] <Darkside> yeah i don't want to do that
[02:58] <SpeedEvil> And I'm not sure about how the filters'd work
[02:58] <Darkside> mm
[02:58] <Darkside> i know there ate 192KHz sample rate audio codecs out there
[02:58] <SpeedEvil> 50MHz I mean
[02:58] <SpeedEvil> (16 bit 100MHz ADCs are redily available now)
[02:58] <SpeedEvil> Insane
[02:58] <Darkside> yeah we have them
[02:59] <Darkside> theres another receiver i've been working with that has a 2x 16-bit 105MSPS ADCs in it
[02:59] <SpeedEvil> :)
[02:59] <Darkside> it uses a Spartan 3 FPGA to take the data and send it to the PC
[02:59] <SpeedEvil> Not the only way. You can do GPS referencing
[02:59] <SpeedEvil> (frequency)
[02:59] <Darkside> eh?
[03:00] <SpeedEvil> Sorry - (03:06:06 AM) Darkside: its the only way you can resolve the DRM frequency references, and do frequency offset correction
[03:00] <Darkside> no
[03:00] <Darkside> freq offset correction is to match the receiver with teh transmitter
[03:00] <SpeedEvil> Not fully awake ATM
[03:01] <Darkside> the transmitter isn't necessarily locked to some kind of standard
[03:01] <SpeedEvil> I see
[03:01] <SpeedEvil> DRM is what - OFDM?
[03:01] <Darkside> yep
[03:01] <SpeedEvil> Smilar to DAB I guess
[03:01] <Darkside> ~200 sub-carriers for the mode i'm looking at
[03:01] <Darkside> 37 baud symbol rate, including guard band
[03:02] <SpeedEvil> Oh - guess not quite
[03:02] <SpeedEvil> DAB is much wider
[03:02] <Darkside> yeah
[03:02] <Darkside> its a similar idea to DAB though
[03:02] <SpeedEvil> Each mux is somewhere like a megabit
[03:02] <Darkside> but in only 10KHz bandwidth
[03:02] <Darkside> DAB = 1.536MHz wide
[03:02] <SpeedEvil> ah
[03:02] Action: SpeedEvil is annoyed that you can't get DAB USB recievers
[03:03] <SpeedEvil> At all.
[03:03] <Darkside> eh?
[03:03] <SpeedEvil> (at least in dongle form)
[03:03] <Darkside> DAB or DAB+
[03:03] <Darkside> i have a DAB usb dongle
[03:03] <SpeedEvil> DAB - I don't see the UK moving to DAB+ in the near future
[03:03] <Darkside> well, it claims to be a DAB reciever, i haven't had a chance go try it out
[03:03] <SpeedEvil> The Psion WAvewhatrever?
[03:03] <Darkside> no
[03:03] <Darkside> EzCap
[03:03] <SpeedEvil> Oh.
[03:04] <SpeedEvil> I think I must have searched last time and not found it just before release
[03:04] <SpeedEvil> I have one of these
[03:04] <SpeedEvil> http://www.amazon.co.uk/Pure-Rechargeable-Weatherproof-Digital-Internet/dp/B003WOL500/ref=sr_1_1?ie=UTF8&qid=1298920585&sr=8-1
[03:04] <SpeedEvil> Though - the earlier one
[03:04] <SpeedEvil> that's just DAB
[03:05] <Darkside> mm
[03:05] <SpeedEvil> It's a lovely package.
[03:05] <Darkside> TBH i'm not that interested in DAB
[03:05] <SpeedEvil> Mechanically
[03:05] <Darkside> i just use net radio mostly :P
[03:05] <Darkside> and DAB is too wideband to be able to demodulate in software
[03:05] <Darkside> well, easily anyway
[03:05] <SpeedEvil> Yeah - I looked at it - it gets unpleasantly large.
[03:05] <SpeedEvil> GPS is unpleasant enough.
[03:05] <Darkside> heh
[03:06] <Darkside> DRM is doable, and ahs been done
[03:06] <SpeedEvil> And GPS is lots simpler.
[03:06] <Darkside> what i'm working on only requires everything up to the channel estimation point
[03:06] <SpeedEvil> You're just chomping it for a PC?
[03:06] <Darkside> nope
[03:06] <Darkside> i'm using DRM stations to get ionospheric channel information
[03:06] <SpeedEvil> Oh - funky.
[03:06] <Darkside> and i want to do it on an embedded system
[03:07] <Darkside> that way you can deploy receivers to strategic locations
[03:07] <SpeedEvil> I suppose they're _lots_ nicer than simple voice as you've got a nice predictable spectrum.
[03:07] <Darkside> yah
[03:08] <SpeedEvil> An actual funded project?
[03:08] <SpeedEvil> Or are you aiming at an amateur ionosphere map project?
[03:08] <Darkside> somewhat funded
[03:09] <Darkside> anyway, it would be a HF transciever
[03:09] <Darkside> separate RX and TX systems
[03:09] <Darkside> TX system would be to send data back to the interested party, probably using PSK or FSK
[03:09] <SpeedEvil> The HF is for net?
[03:09] <Darkside> no
[03:09] <SpeedEvil> Solar panel or something I guess. I mean net = data transfer of results
[03:10] <Darkside> the device would RX DRM data, process it to get the channel response, and then it would TX that data via the HF transmitter
[03:10] <kristianpaul> GPS unpleasant? why?
[03:11] <SpeedEvil> kristianpaul: If you want to decode 18Mbits/s GPS IF samples on a 72MHz processor with no other accelelration
[03:11] <kristianpaul> oh sure :-D
[03:11] <kristianpaul> I tought you meant 100Mhz FPGA at first
[03:12] <SpeedEvil> GPS is _trivial_ with that sort of stuff. :)
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[03:12] <SpeedEvil> Well - it's annoying to code - but the hardware would be plenty
[03:13] <kristianpaul> trivial for the radio connoisseu..
[03:13] <kristianpaul> r
[03:14] <SpeedEvil> GPS is a fairly simple modulation, which gets reduced down really easily in simple software and you only need to deal with 50bps
[03:14] <kristianpaul> thats after correlation, wich sounds so simple :-)
[03:14] <kristianpaul> correlation, tracking..
[03:15] <kristianpaul> but you're right
[03:15] <SpeedEvil> It is trivial - if you are not looking for fast lock times.
[03:15] <SpeedEvil> The hard part is performing well in very marginal signal conditions.
[03:15] <kristianpaul> had you done it?, because i need some doubts right know
[03:15] <kristianpaul> like real vs complex signal processing :-)
[03:16] <SpeedEvil> No.
[03:16] <SpeedEvil> I've got it to the diagram stage only.
[03:16] <kristianpaul> s/need/have
[03:17] <SpeedEvil> Project stalled unfortunately.
[03:19] <kristianpaul> from you experience can you comment about getting RF IC's for GPS, like those maxim, seems very popular, but i wonder if there are other alternatives, also the people is using
[03:19] <SpeedEvil> I sampled one, with no problems.
[03:20] <kristianpaul> MAX2769?
[03:20] <SpeedEvil> I believe so.
[03:20] <kristianpaul> and besides sample it, you managed to made PCB, and atenna? plus basic acquisition board? :-)
[03:20] <SpeedEvil> No.
[03:30] <griffonbot> @steamfire: Testing a water soluble cutdown in the rain tonight. It missed the storms 2nite, we wre stuck in bsment! http://t.co/V9ZaeTm #ukhas #arhab [http://twitter.com/steamfire/status/83738562838794241]
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[06:18] <mixio> Hi all
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[06:23] <SamSilver_> fffff
[06:23] <SamSilver_> flip
[06:24] <SamSilver_> huh am I here or not??
[06:24] <SamSilver_> can anyone see me?
[06:25] <jcoxon> yeah
[06:25] <jcoxon> you are here
[06:25] <SamSilver_> jcoxon: it says I have quit
[06:25] <SamSilver_> thanx james
[06:25] <mixio> fsphil, SpeedEvil
[06:25] <mixio> someone
[06:25] <mixio> is a 600gram payload a good start?
[06:26] <Darkside> not too bad
[06:26] <Darkside> my first HF payload was about that heavy
[06:26] <Darkside> that includes camera, batteries, etc?
[06:26] <mixio> yes
[06:26] <Darkside> cool
[06:27] <mixio> backup recovery module. main flight system. 1 camera.
[06:27] <mixio> all with their batteries
[06:27] <Darkside> cool
[06:27] <Darkside> sounds good then
[06:28] <mixio> I now want to look for ready payload boxes
[06:28] <mixio> to order from internet
[06:28] <Darkside> got no foam place nearby?
[06:29] <Darkside> juxta got me a payload box from a place near here called clark rubber
[06:29] <Darkside> just a normal foam box
[06:29] <Darkside> maybe medical suppliers?
[06:30] <mixio> yes, but i need to cut it on my own needs
[06:30] <mixio> how i will place all the components firmly inside it?
[06:30] <Darkside> duct tape?
[06:30] <jcoxon> glue?
[06:31] <jcoxon> velcro
[06:31] <Darkside> i used duct tape
[06:31] <mixio> Darkside: send me a pic
[06:31] <jcoxon> nova 19 launch today
[06:31] <Darkside> mixio: its dead now
[06:31] <mixio> jcoxon: hi
[06:31] <Darkside> most of my payloads die on landing :(
[06:31] <mixio> lol
[06:31] <Darkside> my next one will hopefully be re-usable
[06:31] <Darkside> main cause of death is me ripping them open to turn them off
[06:32] <Darkside> not bothering to remove the duct-tape seal properly :P
[06:32] <Darkside> i might have some pics of other payloads around somewhere...
[06:33] <Darkside> http://projecthorus.org/wp-content/uploads/2011/05/ponies.jpg <-- theres the main horus payload (under the poies)
[06:33] <Darkside> ponies*
[06:34] <Darkside> http://projecthorus.org/wp-content/uploads/2011/01/DSC_2710.jpg <-- theres my VHF payload
[06:34] <mixio> jcoxon: velcro is cool but i need to put one velcro-side on the elentronics too
[06:34] <fsphil> lol ponies
[06:34] <Darkside> ooh
[06:34] <Darkside> http://projecthorus.org/wp-content/uploads/2010/10/DSC_2115.jpg my *extremely* hackish HF payload
[06:34] <Darkside> held together with duct tape
[06:35] <Darkside> surprisingly enough, it did work
[06:36] <mixio> omg too much tape man
[06:36] <Darkside> yup lol
[06:36] <Darkside> that payload was *heavy*
[06:36] <Darkside> we used a massive balloon for that one
[06:36] <Darkside> http://projecthorus.org/wp-content/uploads/2010/10/DSC_2120.jpg <-- theres juxta's nicer video payload :P
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[06:38] <mixio> http://www.ferribox.co.uk/moulded/moulded.htm
[06:39] <Darkside> thats the kind of boxes we use
[06:39] <Darkside> either those, or we make our own from foam sheet
[06:48] <fsphil> I start with a solid block and scrape out the compartments for the camera and tracker
[06:49] <fsphil> takes ages but it holds everything together really well
[06:50] <fsphil> the idea being talked about on the mailing list sounds like a much better way of doing it
[06:54] <SamSilver_> fsphil: how do I read the mailing list items
[06:54] <SamSilver_> I saw lastnight a post about hollowing out foam
[06:54] <SamSilver_> and am keen to learn from it
[06:56] <fsphil> SamSilver_, http://groups.google.com/group/ukhas?hl=en
[06:56] <fsphil> you can read them there, or subscribe
[06:57] <SamSilver_> Thanx a ton ! will subscribe
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[07:07] <jcoxon> good luck with todays launch
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[07:11] <Upu> Todays launch on /
[07:11] <Upu> ?
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[07:17] <Darkside> in a few hours i guess
[07:17] <Darkside> is BST +1?
[07:17] <Darkside> or the same as UTC
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[07:20] <Darkside> yep, it's +1, DST is on
[07:20] <eroomde> from ou?
[07:20] <Darkside> well its 8:20AM there
[07:21] <Darkside> so we have a bit under 3 hours until launch
[07:21] <junderwood> Do we have any information about the payload for Nova19?
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[07:33] <Upu> junderwood looks like a 434.650 50 baud
[07:33] <Upu> 350 hz shift
[07:33] <junderwood> "The usual"
[07:33] <Upu> yeah :)
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[08:03] <griffonbot> @ChurchillCol: RT @cuspaceflight: NOVA 19 launch tomorrow 11am from Churchill College, Cambridge, given suitable ground weather. #ukhas #cusf [http://twitter.com/ChurchillCol/status/83807326628364288]
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[08:07] <m1x10> Hi again, the following is my program scenario:
[08:07] <m1x10> Program logic steps
[08:07] <m1x10> -------------------
[08:07] <m1x10> 1. Transmit APRS Status message
[08:07] <m1x10> 1.1 Take Picture
[08:07] <m1x10> 2. Transmit APRS Status message
[08:07] <m1x10> 2.1 Take Picture
[08:07] <m1x10> 3. Transmit APRS Status message
[08:07] <m1x10> 3.1 Take Picture
[08:07] <m1x10> 4. Transmit APRS Status message
[08:07] <m1x10> 4.1 If we got gps lock transmit APRS Position message
[08:07] <m1x10> 4.2 Take Picture
[08:08] <m1x10> who thinks its bad and why?
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[08:15] <m1x10> no one thinks its bad ? :) :)
[08:15] <SamSilver_> i think it is good
[08:16] <SamSilver_> what about logging data
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[08:23] <mixio> omg battery tests fail!
[08:24] <fsphil> how often are you sending aprs messages? people can get quite annoyed if you send too many :)
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[08:24] <m1x10> omg battery tests fail!
[08:24] <m1x10> im running it 80minutes and voltage already fell to 2.9v
[08:25] <fsphil> your net connection also fails :)
[08:26] <m1x10> yeah, thats something standart
[08:26] <m1x10> part of everyday life
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[08:33] <cuddykid> Upu: got 3 sheets of that styrofoam on the way :)
[08:33] <cuddykid> thanks for the link
[08:34] <Upu> nps
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[08:47] <Upu> I put the link on the materials page of the UKHAS Wiki as well
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[09:30] <SpeedEvil> Laurenceb: See that TI non-contct temperature probe - $1.5@1k CSP 1.6mm*1.6mm I2C output?
[09:39] <Darkside> hmm i guess launch is running a little bit late :P
[09:39] <Darkside> to be expected i guess
[09:41] <fsphil> it's not 11 yet
[09:41] <fsphil> 20 minutes left :)
[09:41] <fsphil> though it could go into bill time
[09:41] <junderwood> Nice big rain cloud heading for Cambridge
[09:42] <fsphil> typical
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[09:53] Nick change: Upu -> Upu_2E0UPU
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[09:53] <Upu_2E0UPU> might be a little premature but hey ho
[09:53] <Dutch-Mill> What's the expected altitude for NOVA-19
[09:53] <junderwood> The lack of listening stations around Cambridge doesn't look promising
[09:53] <Upu_2E0UPU> I don't know much about it to be honest
[09:54] <Upu_2E0UPU> The Nova project is to launch balloons to about 30km altitude
[09:54] <Upu_2E0UPU> http://www.srcf.ucam.org/cuspaceflight/nova.php
[09:54] <junderwood> Dutch-Mill, you should receive it without any problem from about 15km
[09:54] <junderwood> unless there are any hills in the way :)
[09:54] <Upu_2E0UPU> any news on if its launching ?
[09:56] <Dutch-Mill> Oke thankz try to track mobile from Gorinchem (Netherlands)
[09:56] <Upu_2E0UPU> I'm doing this remotely so I can't actually hear it
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[10:00] <Rob> What is the predicted flightpath? www.hexoc.com/hab/predict/predict failing to get wind data for me. Is there a different prediction page?
[10:01] <Rob> Wantin to know whether it is worth getting out the bit of wood from the shed to hoist my 70cm antenna above the roof...
[10:02] <Upu_2E0UPU> http://habhub.org/predict/
[10:02] <Rob> Thanks!
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[10:04] <Rob> OK, looks like it's worth a try.
[10:04] <Upu_2E0UPU> Rob are you the station up near Middlesbrough ?
[10:04] <Upu_2E0UPU> M0DTS ?
[10:05] <Rob> No, I'm G8DSU in Twickenham...
[10:05] <Upu_2E0UPU> ah ok
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[10:15] <Randomskk> hi all
[10:15] <Randomskk> CUSF launch in an hour or so
[10:15] <Randomskk> 434.650MHz
[10:16] <Randomskk> one FM and one SSB, with some SSTV (with real photos) on the FM
[10:16] <Randomskk> from churchill
[10:16] <Randomskk> payloads squirrel and weasel (which is not yet online but will be soon)
[10:16] <Randomskk> keep you up to date, on our way over to chu shortly
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[10:22] <Upu_2E0UPU> jolly good
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[10:26] <Upu_2E0UPU> hmm crap I've lost my radio for some reason
[10:27] <SpeedEvil> Checked under the sofa?
[10:27] <Upu_2E0UPU> ho ho :)
[10:27] <Upu_2E0UPU> no looks like the radio has turned off
[10:27] <Upu_2E0UPU> damn wonder if it wasn't plugged in
[10:28] Nick change: Upu_2E0UPU -> Upu
[10:28] <Upu> oh well
[10:28] <Rob> Randomskk - For the SSTV, will dlfldigi 30.20.29 be OK? Is it MMSSTV?
[10:29] <Upu> must have been running on batteries sure I left it plugged in
[10:49] <jonsowman> Rob: it's normal SSTV
[10:49] <jonsowman> not digital
[10:49] <jonsowman> MMSSTV it is
[10:49] <jonsowman> we're waiting on weather here at the moment
[10:51] <griffonbot> @cuspaceflight: At launch site, waiting on weather. Select "weasel" in dl-fldigi, listen on 434.650 MHz. #cusf [http://twitter.com/cuspaceflight/status/83849618647023617]
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[10:56] <mixio> my mom sew me smoking first time today and now she tells me not to start taking drugs !! omg
[10:56] <mixio> - mom, i cant take drugs and make little spaceships :p
[11:03] <fsphil> smoking is stupid
[11:08] <jonsowman> well it's stopped raining
[11:13] <fsphil> hmm.. I can't remember if my radio control cable is plugged in
[11:14] <fsphil> how are both payload sharing the same frequency? switching based on time?
[11:14] <fsphil> payloads*
[11:14] <jonsowman> they are seperated slightly
[11:15] <jonsowman> but might drift through each other at some point
[11:17] <fsphil> fancy giving the sstv a go
[11:18] <fsphil> for the sstv I need to be in FM mode?
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[11:30] <SamSilver> afk
[11:34] <Darkside> hows the weather going jonsowman ?
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[12:19] <junderwood> A payload. At last
[12:20] <Upu> jgrahamc are you about ?
[12:20] <jgrahamc> I am Upu
[12:21] <Upu> oh hello :) Just reading your blog entry on the DS1821, you only run one DS1821 ?
[12:21] <Upu> oh Gaga
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[12:21] <jgrahamc> No, I had two.
[12:21] <Jon-M0JSN> weather awful hence delays
[12:21] <Jon-M0JSN> will keep you up to date
[12:22] <Upu> oh ok did you run them in parascitic mode ?
[12:22] <Upu> spelling...
[12:22] <Upu> http://www.milesburton.com/images/e/e5/Schematic-dallas-18s20.gif like that ?
[12:22] <jgrahamc> No.
[12:23] <jgrahamc> I powered them
[12:23] <Darkside> mm, i never do parasitic power mode
[12:23] <Darkside> i can never seem to get the bus length using that mode
[12:24] <jgrahamc> I just connected Vcc and Gnd and then had the data pin connected to an Arduino port with a pull resistor.
[12:24] <Upu> I ran the DS1820's in Parasitic mode but I can't get these Ds1821+'s doing anything
[12:24] <Upu> ok thats great thanks I'll keep trying
[12:25] <jgrahamc> And I didn't tie the two DS1821's together in any way. They were on separate ports.
[12:25] <Upu> ah ok
[12:25] <Upu> so not on a the same I2C bus ?
[12:25] <Upu> rhetorical
[12:25] <Upu> :)
[12:26] <jgrahamc> In order to fit my custom board on top of my Arduino I actually snipped the pins off the I2C connector :-)
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[12:28] <Upu> ok thanks very much I'll have another play around tonight
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[12:57] <fsphil> if it's anything like here, they'd be mad to launch. it's pouring down
[12:58] <Darkside> heh
[12:59] <Laurenceb> http://uk.farnell.com/analog-devices/adis16130amlz/ic-1-axis-accelerometer-2000g-msm/dp/1571518
[12:59] <junderwood> Last band of rain should have cleared Cambridge about 20 minutes ago based on the radar
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[13:01] <Rob> www.raintoday.co.uk gives a good presentation of radar. Suggests that it will be OK from about now
[13:02] <fsphil> there's a nice thunderstorm not far from cambridge
[13:02] <fsphil> http://www.blitzortung.org/Webpages/index.php?lang=en&subpage_0=3
[13:02] <fsphil> moving away by the looks of it
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[13:08] <Laurenceb> http://www.micropumps.co.uk/TCSM100range.htm
[13:09] <Laurenceb> ^interesting... for something
[13:10] <SpeedEvil> I'm trying to work out what to do witht eh fun thermal sensor.
[13:10] <SpeedEvil> Got one on the way.
[13:10] <Laurenceb> link?
[13:11] <SpeedEvil> http://www.ti.com/ww/en/analog/tmp006/index.shtml?DCMP=hpa-tmp-tmp006&HQS=Other+BA+tmp006-bt1
[13:12] <Laurenceb> $49 nice
[13:13] <SpeedEvil> Indeed.
[13:13] <SpeedEvil> Or $0 if you're cheap, and like to dead-bug.
[13:13] <SpeedEvil> Balloon surface temperature monitoring?
[13:14] <eroomde> i guess if you put one in the inside neck it'd measure the average balloon skin temp
[13:14] <eroomde> useful
[13:14] <SpeedEvil> Or outside, close to the neck
[13:14] <Laurenceb> or for getto reflow ovens
[13:15] <SpeedEvil> Laurenceb: perhaps - I was considering that for my silly oven.
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[13:15] <SpeedEvil> I have a 350W double-wall quartz tube, and a large tin can.
[13:15] <Laurenceb> "Passive IR sensor: -40° to 125°C "
[13:15] <Laurenceb> grumble
[13:15] <SpeedEvil> I think that's just the computed out
[13:15] <SpeedEvil> you can read the raw sensor value
[13:16] <SpeedEvil> And it depends on the apature
[13:16] <SpeedEvil> If you reduce the apature, then the temperature goes down.
[13:16] <SpeedEvil> (though you then need to do actual sums to get the temperature)
[13:17] <Laurenceb> yeah
[13:17] <Laurenceb> it should work fine
[13:18] <SpeedEvil> Horizon sensors too
[13:18] <Laurenceb> bah lame
[13:18] <SpeedEvil> Thouh that's a lot less interesting now that gyros are damn near free
[13:18] <griffonbot> @steamfire: 3/4 inch of rain triggered tree-escape water cutdown overnight! #ukhas #arhab http://t.co/uiI6sTe http://t.co/KCwul0c http://t.co/uvZ4cyT [http://twitter.com/steamfire/status/83886686110613504]
[13:19] <SpeedEvil> It'd also be nice if it was faster than 4hz
[13:19] <Laurenceb> seems iar systems have made a stm32 math lib that beats codesourcery
[13:20] <SpeedEvil> :)
[13:20] <griffonbot> @jonsowman: weasel launched! 434.650 #cusf [http://twitter.com/jonsowman/status/83887051472244736]
[13:20] <Laurenceb> 32 clk multiple as opposed to 47
[13:20] <Laurenceb> *multiply
[13:20] <SpeedEvil> 32 clocks for what?
[13:20] <Laurenceb> but its low accuracy
[13:20] <SpeedEvil> 32*32?
[13:20] <Laurenceb> 32bit float multiply
[13:20] <SpeedEvil> ah
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[13:21] <Laurenceb> also you have to pay.. think ill give it a miss
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[13:22] <SpeedEvil> Is fixed point not practical?
[13:23] <SpeedEvil> I was also thinking it'd be interesting for rapid temperature sensing
[13:23] <SpeedEvil> thin plastic opaque film
[13:25] <fsphil> nice work Dan-K2VOL
[13:25] <Dan-K2VOL> thanks phil
[13:25] <Dan-K2VOL> :-) first outdoor test
[13:25] <fsphil> might be worth trying it on a dummy payload, see if it stays on during flight
[13:26] <Dan-K2VOL> I think it's about ready for that too!
[13:26] <Dan-K2VOL> not too many active ballooners around here, will have to mail it to someone
[13:26] <Darkside> launch!
[13:27] <Dan-K2VOL> ha, if you don't count us
[13:28] <Dan-K2VOL> lol, let me tell you, the minute the sat modem and antenna are fixed SpeedBall is launching, whether it's on latex or long duration
[13:29] <Dan-K2VOL> we're meeting tonight, we finally had a bunch of our guys to step up to the plate to try to finish the code when I announced we would pay someone from vworker.com to do it!
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[13:30] <Dan-K2VOL> nothing like a little outsourcing to get the blood going eh?
[13:31] <Upu> that seems to be going some, whats the prediction URL ?
[13:31] <fsphil> oooh launchy
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[13:32] <fsphil> a text-mode version of dl-fldigi would come in handy
[13:32] <Upu> no idea why my rig isn't plugged in but looks like the batteries have gone flat
[13:32] <Darkside> run it in a screen session :-)
[13:33] <fsphil> I did that one time Upu
[13:33] <Upu> I leave it plugged in all the time
[13:33] <fsphil> x in a screen session? :)
[13:33] <Upu> I'll check it when I get home
[13:33] <fsphil> I'm not sure if I can even retune my rig...
[13:33] <fsphil> I left it on the aprs channel
[13:34] <Darkside> hmm, gps problems
[13:35] <Upu> was about to say that ascent rate is a little high
[13:35] <Darkside> 107m/s :P
[13:35] <Upu> I was aiming for about 100m/s on my launch
[13:35] <Darkside> lol
[13:35] <Dan-K2VOL> now approaching the region of max Q...
[13:36] <Darkside> throttle up
[13:36] <Darkside> BOOM
[13:36] <Dan-K2VOL> haha
[13:36] <Upu> haha
[13:37] <fsphil> 434.650?
[13:37] <Upu> yeah
[13:37] <Dan-K2VOL> good planetary radio podcast today - http://planetary.org/radio/show/00000450/ Long interview about Cassini's radio studies of Saturn
[13:38] <fsphil> anyone any luck receiving the sstv?
[13:38] <junderwood> Dial freq for the RTTY is 434644500
[13:38] Nick change: junderwood -> junderwood_M0JCU
[13:38] <Darkside> i can't hear it!
[13:38] <Darkside> maybe i need a bigger yagi
[13:39] <Darkside> and some *really* good ducting conditions
[13:39] <fsphil> big mast
[13:39] <fsphil> really really big mast, with a really good curve in it
[13:39] <Dan-K2VOL> haha :-P
[13:39] <fsphil> like those things that hold up a globe
[13:39] <Darkside> that'd be a lot of cable loss
[13:40] <BrainDamage> superconductors for the rescue
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[13:40] <fsphil> hmm.. 434.650 is suspiciously quiet. I think there's too much loss in my cable
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[13:40] <Darkside> fsphil: 434.644
[13:41] <fsphil> there too
[13:41] <fsphil> still well below my horizon, but normally there'd be some QRM
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[13:42] <Jon-M0JSN> hi all
[13:42] <Jon-M0JSN> weasel decoding alright?
[13:42] <fsphil> some ducting would be nifty -- tracking from 500km away when it's only a few km up
[13:43] <junderwood_M0JCU> Weasel is decoding just fine.
[13:44] <junderwood_M0JCU> Very strong signal
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[13:47] <Darkside> junderwood_M0JCU: your GPS appears to be conking out at regular intercals
[13:47] <Darkside> intervals*
[13:48] <junderwood_M0JCU> Not mine. I'm just receiving
[13:48] <Darkside> well, the payloads then
[13:48] <junderwood_M0JCU> All the checksums are good so it must be something on the payload
[13:48] <Dan-K2VOL> perhaps RFI
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[13:48] <junderwood_M0JCU> (Not my payload either)
[13:49] <eroomde> seems periodic
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[13:51] <ejcweb> Hi everyone - just checking in from the CUSF launch team.
[13:51] <Darkside> hi!
[13:51] <Darkside> we've noticed the GPS doing interesting things
[13:51] <Darkside> some kind of periodic malfunction?
[13:52] <ejcweb> Yes, I see that. Is it every 10 RTTY strings?
[13:52] <Darkside> somethign like that
[13:52] <junderwood_M0JCU> no sign of any SSTV
[13:52] <ejcweb> Re: SSTV and Android - we had to remove all transmission from the phone sadly.
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[13:53] <ejcweb> junderwood_M0JCU: So sorry for keeping you looking, but thank you!
[13:53] <junderwood_M0JCU> np
[13:53] <junderwood_M0JCU> only had a quick glance.
[13:53] <ejcweb> There was some signal interference between Squirrel and Weasel
[13:53] <junderwood_M0JCU> Signal is very strong. What antenna are you using?
[13:54] <ejcweb> It's just a standard quarter wave antenna.
[13:54] <ejcweb> Not sure why in particular it should be so strong, but that is great; thanks for tracking!
[13:55] <ejcweb> jonsowman & Randomskk and a couple more have set off in the chase car.
[13:55] <junderwood_M0JCU> I think they may need a boat :)
[13:55] <ejcweb> Ah, that was indeed a risk.
[13:56] <Dan-K2VOL> ejcweb I do think those rodents are fundamentally incompatible
[13:56] <ejcweb> Though the last time we ran the tracker it was looking remarkably good (~1pm I thought). I haven't checked since.
[13:57] <junderwood_M0JCU> Tracker suggests it will reverse its track at B-S-E. We'll see
[13:57] <ejcweb> junderwood_M0JCU: That's the hope...
[13:58] <ejcweb> Of course if Weasel breaks for some reason, we've still got text location finding on the phone.
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[14:02] <Upu> trying to use global tuners to listen in but the audio keep stopping
[14:03] <Dan-K2VOL> ugh globaltuners - a nice idea, a bad implementation
[14:03] <ejcweb> So the periodic malfunction is this: nav mode on the gps is reset every 10 strings to stop it accidentally changing mode as we've experienced before. obviously this is affecting gps lock for the subsequent telemetry string.
[14:04] <ejcweb> Or at least, that's how I understand it - I didn't make Weasel so couldn't say for sure.
[14:08] <fsphil> another 5km or so before I can receive it I think
[14:08] <fsphil> the rain is really coming down hard here now
[14:08] <fsphil> wonder if that will weaken the signal
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[14:10] <Upu> there is a receiver about 10 miles from there on Global Tuners but some Italian is using it
[14:10] <ejcweb> We had massive issues with the weather here in Cambridge for launch.
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[14:11] <junderwood_M0JCU> 70 cm isn't supposed to be attenuated by rain
[14:11] <ejcweb> First torrential downpours, and then high winds. Made more tricky by the fact that we were using a Hwoyee 2000 balloon.
[14:11] Action: SpeedEvil listens to the rumble of thunder.
[14:11] <ejcweb> http://www.srcf.ucam.org/~ejc74/balloon.JPG - somewhat larger than I think we had anticipated :)
[14:11] <SpeedEvil> I have a spare DSL modem, so I just unplug it all and go on battery.
[14:12] <Upu> what frequency is it on and how often is it transmitting ?
[14:12] <eroomde> pred burst alt?
[14:13] <junderwood_M0JCU> 434647400 USB continuous
[14:14] <Upu> Globaltuner in Kessingland can't hear it
[14:14] <Upu> mind you know knows what antenna is on it
[14:14] <Dan-K2VOL> ejcweb did you launch into the clouds?
[14:14] <Upu> Antron 99
[14:15] <ejcweb> Dan-K2VOL: It was actually looking pretty clear when we launched, and it's ascent was not directly into clouds.
[14:15] <ejcweb> Though after a couple of minutes it started clouding over again so probably has ascended through cloud to some extent.
[14:16] <Dan-K2VOL> nice
[14:16] <The-Compiler> anyone here ever thought about casualty insurance? I want to start my own HAB project, but with a payload > 500g you need to have a casualty insurance of at least around 1 Mio. dollar, and I have no idea what that will cost
[14:16] <The-Compiler> (here in Switzerland, that is)
[14:16] <Dan-K2VOL> The-Compiler I'm sorry for your laws
[14:17] <BrainDamage> where in switzerland ouf of curiosity?
[14:17] <The-Compiler> Me? Winterthur, near Zurich.
[14:17] <Dan-K2VOL> amateurs that I know of have not had good luck with getting people to insure them for any reasonable amount of money
[14:17] <BrainDamage> mmm, ~300 km from here, como, italy
[14:18] <The-Compiler> I guess I'll just call my insurance company and see what they tell me... Aeromodelling is very common in Switzerland after all, and there are insuranced specialized on that
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[14:18] <The-Compiler> and if it's too expensive I just need to see how I can keep the payload < 500g... should be doable
[14:18] <Dan-K2VOL> The-Compiler some of the cambridge guys got it once I think though,
[14:19] <The-Compiler> because 0-499g is automatically insuranced or something like that
[14:19] <Dan-K2VOL> it's difficult to find an insurance company that will quote such insurance, as they usually know nothing about it
[14:20] <Dan-K2VOL> less than 500g is certainly possible, it's a challenge though
[14:20] <The-Compiler> BrainDamage: no idea where I will launch, depends on the prediction, because I'd like it to land in Switzerland and we're small :D
[14:21] <Dan-K2VOL> speaking of not small, I'm surprised we don't hear more canadians doing launches
[14:21] <The-Compiler> well, http://www.luftfahrtversicherungen.ch already sounds promising, they seem to be specialized to aero stuff, I might contact them
[14:21] <imrcly> Dan-K2VOL: we never looked to see if we needed to pay export taxes
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[14:21] <Dan-K2VOL> haha imrcly
[14:21] <Upu> gah
[14:22] <Upu> Global Tuners is rubbish :)
[14:22] <Dan-K2VOL> upu I concur
[14:22] <ejcweb> The-Compiler: I'm coming to Zurich for an internship for 3 months this summer :)
[14:22] <The-Compiler> and for me, up to 150$ or so for the insurance won't hold me back
[14:23] <Upu> found one that works and the audio just cuts out and stops then won't restart
[14:23] <Dan-K2VOL> The-Compiler the quotes we got in the USA were around $7000 USD for 5 flights :-(
[14:23] <fsphil> still nothing here
[14:24] <The-Compiler> ow o_o
[14:24] <Dan-K2VOL> but do check, companies may be more reasonable over there
[14:24] <junderwood_M0JCU> fsphil, I didn't get a hint of the last Hadie until about 20km - and I'm closer to you than you are to Cambridge
[14:25] <Dan-K2VOL> honestly there's not a huge rate of damage being done by amateur balloons
[14:25] <The-Compiler> the risk is certainly high... Don't wanna imagine what happens when the parachute drops off or something
[14:25] <BrainDamage> you can styrofoam pad it
[14:25] <BrainDamage> and keep density low
[14:25] <The-Compiler> won't help if something is coming down from 30km height
[14:26] <imrcly> there is a legal density requirement
[14:26] <Dan-K2VOL> heh BrianDamage, the regulation to keep under 500g is actually going to make adding styrofoam difficult after you add your electronic weight
[14:26] <Upu> Ava is 850g
[14:26] <ejcweb> Does anyone here know anything about setting up the dynamic predictor?
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[14:27] <The-Compiler> I also want to include a more or less decent camera :V
[14:27] <ejcweb> jonsowman is asking from his car for new landing predictions, and I'm not all too familiar with generating dynamic ones.
[14:27] <The-Compiler> Hell, if it doesn't work out I'm just going to Italy, Germany or France and do it there.
[14:28] <Upu> its switch on the tracker isn't it ?
[14:28] <Upu> I don't know how to do it
[14:28] <Dan-K2VOL> good plan The-Compiler
[14:29] <The-Compiler> I'm kinda close to all of them anyways.
[14:30] <BrainDamage> btw, since you're close to zurich, do you happened to remember the famous waterfall near there?
[14:30] <junderwood_M0JCU> ejcweb, since it is well to the east of the prediction, I would suggest he heads for the A140 somewhere between Stwomarket and Diss
[14:32] <fsphil> junderwood_M0JCU, for most cambridge launches it seems to start coming in here around 15/16km
[14:32] <fsphil> though this one is further south and east than usual
[14:33] <fsphil> well, further east at least
[14:33] <fsphil> at appears to want a swim
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[14:35] <fsphil> what's the current dial frequency?
[14:36] <junderwood_M0JCU> 434647900
[14:37] <fsphil> thanks
[14:38] <junderwood_M0JCU> ejcweb, best guess using my predictor and wild guesses about the parachute system is landing somewhere near Gislingham
[14:39] <junderwood_M0JCU> prediction gradually moving northwards. Diss would be a good place to wait
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[14:45] <ejcweb> Great, thanks junderwood_M0JCU . I've passed that onto the chase car. They're currently approaching Stowmarket and will probably take the A140 north from there. I imagine that they will get internet connected shortly and be IRC active.
[14:47] <junderwood_M0JCU> ejcweb, I suggest they stop somewhere near the Thornham Magna turn off the A140. That should put them within a few miles of the landing (assuming 30km burst)
[14:50] <Laurenceb> http://api.ning.com/files/jy8sEZd5cd19BYbTgz5jUNGHIgjQb5c9gtJVvHYNvfMTZ7oqBPzkJ3LdoUXmP0-ip*cwFw7sif8SYI22TTXkFw__/sfmirview1.jpg
[14:50] <Laurenceb> ^nice - 3d reconstruction from uav video
[14:51] <fsphil> got a very weak signal in Cookstown now
[14:51] Action: Elwell waves to The-Compiler from suisse romande
[14:51] <fsphil> not decodable
[14:52] <fsphil> my dial is 434.648 and the signal is +1500hz .. right in the middle
[14:53] <Laurenceb> http://www.aerialrobotics.eu/pub/bezmiechowa-2010-05-29/
[14:53] <Laurenceb> ^insane
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[14:54] <The-Compiler> hey Elwell :)
[14:55] <The-Compiler> BrainDamage: you mean the Rheinfall?
[14:55] <BrainDamage> yes! that was it, thanks
[14:56] <Laurenceb> /bez_hypr3d.jpg is especially awesome
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[14:59] <mixio> Hi, where is a nice article that has a nice explaination of what HAB-ing is? I need to write some article here.
[14:59] <eroomde> have a look on the wiki
[15:00] <eroomde> check too http://www.parallax.com/tabid/567/Default.aspx
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[15:01] <eroomde> it's heading towards thetford
[15:01] <eroomde> where people get very upset with you
[15:01] <Dan-K2VOL> uh oh
[15:01] <jgrahamc> And they have guns. Large ones.
[15:01] <eroomde> that's where james landed
[15:02] <eroomde> on the mil range
[15:02] <BrainDamage> they go around with torch and pitchforks due to nature's pervension?
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[15:02] <eroomde> tornados actually
[15:04] <mixio> thanks eroomde
[15:04] <The-Compiler> sent an email to that insurance company... wish me luck
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[15:06] <fsphil> signal still very weak -- don't think it's going to get much stronger either
[15:07] <junderwood_M0JCU> still going up
[15:07] <junderwood_M0JCU> and coming your way
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[15:09] <fsphil> ah she's turned -- change it's mind about that swim
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[15:09] <Dan-K2VOL> a 2000g will burst pretty high
[15:10] <fsphil> heh, I can hear some thunder
[15:10] <eroomde> yeah
[15:10] <eroomde> especially if it's just a mobile phone and an arduino
[15:10] <Laurenceb> whats with the zero altitude?
[15:10] <fsphil> potential record altitude up for grabs then?
[15:11] <ejcweb> junderwood_M0JCU: I've got to disappear for a bit now. If anything comes up, eg. landing in the MOD range etc, can you let jonsowman know directly? (to do NOTAM stuff).
[15:11] <fsphil> signal's getting stronger, but still no decode
[15:11] <ejcweb> I'll message you his mobile number just in case.
[15:11] <Dan-K2VOL> I doubt it fsphil, if you consider the record that cornell set
[15:11] <fsphil> it's USB yea?
[15:11] <fsphil> well, UK record
[15:11] <junderwood_M0JCU> It won't go anywhere near Thetford
[15:11] <junderwood_M0JCU> USB. Yes
[15:12] <ejcweb> Ok, we reckoned not given its altitude.
[15:12] <fsphil> aah, starting to get numbers and commas
[15:12] <junderwood_M0JCU> prediction is holding. (providing it bursts when it's supposed to)
[15:12] <eroomde> windspeed increasing up there
[15:12] <SpeedEvil> Wasn't there someone in Israel wondering about balloons?
[15:12] <SpeedEvil> They could do the other altitude record
[15:12] <eroomde> what's the predicted burst alt?
[15:13] <Dan-K2VOL> and I am doubtful of the cornell flight being considered amateur, since they used a 150,000 cu ft Aerostar zero pressure balloon that no amateur can buy :-)
[15:13] <junderwood_M0JCU> I'm guessing 30km but who knows
[15:13] <SpeedEvil> http://en.wikipedia.org/wiki/Extremes_on_Earth#Extreme_elevations_and_temperatures_per_continent
[15:13] <eroomde> oh i think higher
[15:13] <eroomde> if it's a 2kg balloon
[15:13] <eroomde> and a wee payload
[15:13] <Dan-K2VOL> what is the payload weight?
[15:13] <eroomde> and a fairly pedestrain ascent rate
[15:15] <eroomde> oh but it's using the crazy bitch orange parachute
[15:15] <eroomde> http://www.srcf.ucam.org/~ejc74/balloon.JPG
[15:15] <eroomde> on the right
[15:15] <eroomde> that weighs about 1.5kg on its own
[15:15] <Dan-K2VOL> hahahah
[15:15] <Rob> Finally! Got a successful decode. Pretty rubbish reception today...
[15:16] <Randomskk> hi all
[15:16] <Randomskk> we are in some stowmarket services
[15:16] <Randomskk> still decoding telem in the car
[15:17] <Randomskk> junderwood_M0JCU: where is this place we should wait for the balloon?
[15:17] <eroomde> Randomskk: what is the mass at the neck and the balloon size?
[15:17] <fsphil> got a burst of numbers
[15:17] <fsphil> it's getting there
[15:18] <junderwood_M0JCU> For 30km you need to be somewhere up the A140 about half way to Diss
[15:18] <Randomskk> eroomde: no idea about neck mass in the end, we didn't weigh it
[15:18] <eroomde> approximately?
[15:18] <junderwood_M0JCU> If it goes higher, the landing spot moves West quite quickly
[15:18] <eroomde> big or little payload? and using the big orange shute, yeah?
[15:18] <Randomskk> jon estimates 1kg
[15:18] <Randomskk> big orange shute, two poly boxes payload but nothing much in either of them
[15:18] <Randomskk> the android went without ntx2 or batteries so just the phone
[15:19] <eroomde> well the orange chute is >1kg on its own
[15:19] <Randomskk> 72" aerocon shute
[15:19] <eroomde> but fine, fairly light
[15:19] <eroomde> and what size balloon?
[15:19] <Randomskk> 2000g
[15:19] <Randomskk> ~3.5, 4kg neck lift
[15:19] <eroomde> ok, so it'll happily cruise past 30km
[15:19] <fsphil> $4_AEvEL
[15:19] <mixio> my last post: http://slaros.blogspot.com/2011/06/main-flight-board-and-gsm-tracker.html
[15:19] <mixio> :)
[15:19] <Randomskk> given neck lift was about 4kg and ascent has been about 4, I guess it should be possible to find the neck mass
[15:20] <eroomde> nice work mixio
[15:20] <eroomde> couple of comments
[15:20] <eroomde> 1) tape the batteries down on the main flight board
[15:20] <junderwood_M0JCU> have to go out for a minute. I'll leave the radio
[15:20] <eroomde> 2) if you fly that breadbaord, make sure the wires are secured down!
[15:23] <mixio> the batteries of the main board cannot be moved. They are fixed.
[15:23] <Elwell> mixio: what GPS chipset is that?
[15:23] <eroomde> i know where this is going...
[15:23] <Elwell> esp on the bottom right of the bottom pic
[15:23] <junderwood_M0JCU> Current prediction is somewhere near "4 ashes" if it bursts now
[15:24] <mixio> Elwell: main board gps is GPS Bee
[15:24] <eroomde> this is just a guess and i don;t know anything about these new style 2kg balloons, but i'd have thought we could be looking at more like 35km
[15:25] <mixio> my payload should not weight more than 800grams. What altitude will it reach with a 1200 balloon?
[15:25] <Randomskk> right we are getting underway up the A140, will stop stoke ash and wait for burst/more info then see if we can't catch it coming down :P
[15:25] <fsphil> it's past hadie:3's max altitude
[15:26] <Randomskk> going offline, back when we're parked somewhere along the a140
[15:28] <jgrahamc> And just past GAGA-1's max. altitude
[15:28] <Upu> 35289m to beat
[15:28] <fsphil> this short extension I have at home is loosing me more signal than I expected
[15:29] <fsphil> just a few metres of rg58
[15:29] <jgrahamc> 35289m is the UK record?
[15:29] <Upu> yeah
[15:29] <Upu> http://ukhas.org.uk/general:uk_records
[15:29] <fsphil> rjh wasn't it?
[15:30] <Upu> what was Gaga's height ?
[15:30] <jgrahamc> 32086m
[15:30] <fsphil> $WUPKV??_l_?_s_f_1_b]__I087<0?,_7_2?184:/;2614,10:9:t3
[15:30] <Upu> you should put yourslef in the list
[15:30] <fsphil> mmmm
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[15:30] <Elwell> flip - 41k worldwide max
[15:30] <Upu> 10th in the list JGC
[15:31] <fsphil> hadie:2 was 33.3km but unconfirmed, calculated with ascent rate and burst time
[15:31] <Upu> hadie 2 could have been anything the speed it was going, sure it was about to skip out of the atmosphere at times
[15:32] <fsphil> it did seem to be in a hurry :)
[15:32] <fsphil> if you and Rob are up for it I might try that again, but with a working antenna
[15:32] <Upu> I'm up for it
[15:33] <Upu> 33253 m
[15:33] <fsphil> past hadie:2
[15:33] <fsphil> this is going really well
[15:34] <Upu> past everything bar the 35k'ers
[15:34] <Upu> this Hwoyee balloon by any chance ?
[15:34] <Upu> I do hope so
[15:34] <eroomde> yup
[15:34] <eroomde> 2kg
[15:34] <Upu> nice :)
[15:34] <fsphil> signal has faded here, likely in a null
[15:34] <fsphil> I need a pre-amp :)
[15:35] <fsphil> well, I have a pre-amp. I just need to build it
[15:35] <Upu> if this stays up I might even get home in time to get the radio on
[15:35] <fsphil> you should get a lovely signal
[15:35] <Upu> I know
[15:35] <Upu> annoying
[15:35] <fsphil> if it wasn't raining I'd get out the yagi
[15:37] <fsphil> 34km ish -- epic
[15:37] <jgrahamc> Crossing fingers for a record
[15:37] <GW8RAK> Just sat down in the office and this launch is really good. Was it after an altitude record?
[15:38] <Upu> dunno but its going to get it
[15:38] <eroomde> ascent rate slowing down?
[15:38] <Upu> yep
[15:38] <eroomde> could be the limit of the latex to draw
[15:38] <eroomde> therefore imminent burst
[15:39] <fsphil> or could start floating
[15:39] <Upu> pop ?
[15:39] <Upu> oh no
[15:39] <Upu> my bad just blipped
[15:39] <eroomde> gps reset
[15:39] <Upu> whys it do that ?
[15:39] <eroomde> bug
[15:39] <fsphil> afraid of heights?
[15:39] <eroomde> well, not bug but some kind of hack i think
[15:39] <Upu> k
[15:40] <eroomde> as the gps was getting a bit screwey without occassional reseting
[15:40] <Upu> 800 meters left
[15:40] <fsphil> 34.5km .. woo
[15:41] <Upu> this better have a camera on it... :)
[15:41] <GW8RAK> Whose launch is it?
[15:41] <eroomde> cusf
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[15:41] <GW8RAK> thanks
[15:42] <eroomde> first one for ages!
[15:42] <GW8RAK> Will it hit 35km?
[15:43] <Upu> yes
[15:43] <junderwood_M0JCU> Randomskk, bad news. You need to be in Bury St Edmunds.
[15:43] <Upu> and to keep the exictement up the GPS resents :)
[15:43] <Upu> resents
[15:43] <Upu> meh
[15:43] <junderwood_M0JCU> If it carries on at this rate it could land back in Cambridge!
[15:44] <Upu> 35k!
[15:44] <fsphil> sweeeet
[15:44] <GW8RAK> Well done cusf
[15:44] <g8dcj> well done
[15:44] <Upu> thats almost floating now
[15:44] <SamSilver_> sneeeeky lil weasel
[15:45] <eroomde> http://www.pixelphase.com/earthquakes/html/earthquakes_files/image002.jpg
[15:45] <fsphil> what's the record again?
[15:45] <jgrahamc> 35289
[15:45] <Upu> 35289
[15:45] <eroomde> thinking out loud - it could be slowing down because it's over on the right of that curve
[15:45] <GW8RAK> Is there a predicted burst altitude?
[15:45] <fsphil> 100m to go
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[15:46] <Upu> lol
[15:46] <Upu> 5 m
[15:46] <fsphil> 7 metres
[15:46] <jgrahamc> Yay!!!!!
[15:46] <fsphil> yes!
[15:46] <Upu> its got it
[15:46] <Laurenceb> uk record
[15:46] <Upu> grats CUSF :)
[15:47] <g8dcj> tops guys & gals
[15:47] <GW8RAK> A good photo at that altitude please
[15:47] <Upu> I'll text Rob Harrison and tell him he's second again so he needs to get cracking
[15:48] <junderwood_M0JCU> predicted landing spot is back to the west of B-S-E
[15:48] <fsphil> haha
[15:49] <fsphil> look at that lovely blue circle, it's covering a good chunk of ground now
[15:49] <Randomskk> ont eh road
[15:50] <Randomskk> where are we going?
[15:50] <Upu> lol
[15:50] <Randomskk> got a email saying bury
[15:50] <Upu> glasgow
[15:50] <Randomskk> (also woop alt record)
[15:50] <mattltm> Yay. Nice record!
[15:50] <junderwood_M0JCU> Randomskk, to the WEST of Bury at the moment
[15:50] <junderwood_M0JCU> Heading towards Newmarket :)
[15:50] <eroomde> unless it stays at 1m/s ascent rate
[15:50] <eroomde> then you'll want to go to peterborough
[15:50] <Randomskk> is that the predicted landing? for what burst alt?
[15:51] <Randomskk> at any rate nowhere near the A140?
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[15:51] <junderwood_M0JCU> No. It didn't burst when it was supposed to :)
[15:51] <eroomde> 0.9m/s
[15:51] <fsphil> still no decode .. grr rg58 is useless
[15:51] <Upu> Randomskk just crossing the A1412 near Landwade
[15:51] <Upu> A142
[15:52] <junderwood_M0JCU> Will it float?
[15:52] <fsphil> she's really slowing down now
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[15:52] <Upu> burst ?
[15:52] <fsphil> burst
[15:52] <Randomskk> so we should go back to bury now?
[15:52] <junderwood_M0JCU> No
[15:52] <fsphil> no
[15:52] <fsphil> lol
[15:52] <Upu> no GPS blip
[15:52] <junderwood_M0JCU> Randomskk, yes
[15:52] <Upu> damn :)
[15:52] <fsphil> ooh got most of a string there
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[15:53] <GW8RAK> If it went into float mode, how long would the latex last? Minutes, hours?
[15:53] <junderwood_M0JCU> 0.5 m/s
[15:53] <Upu> all night if it has too
[15:53] <eroomde> GW8RAK: we've had over-nighters floating before
[15:53] <Randomskk> okay going to bury/newmarkt
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[15:53] <eroomde> usually at this time of day though it'd be got by UV
[15:53] <Upu> Quality Chinese balloons
[15:53] <Upu> don't burst to spec
[15:53] <fsphil> yea it should be getting blasted in UV, esp. at that altitude
[15:54] <GW8RAK> Thanks Ed. Yes, guess it would be okay in the dark, but UV up there is presumably quite energetic
[15:54] <Upu> Right heading home to see if can catch this
[15:54] <Upu> back in 25 mins
[15:54] <junderwood_M0JCU> Another 10 minutes, you could land on Mildenhall
[15:54] <Randomskk> okay driving again
[15:54] <Randomskk> if people say my nick I get emails so that'd be cool
[15:54] <fsphil> shift is about 370hz now
[15:55] <Randomskk> back online at bury or newmarket
[15:55] <junderwood_M0JCU> landing spot is now half way between the two
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[15:55] <junderwood_M0JCU> 35.8
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[15:56] <junderwood_M0JCU> It's pretty-much floating now
[15:57] <eroomde> i wonder if it'll start oscillating up and down
[15:57] <junderwood_M0JCU> descending 3 m / 15 seconds
[15:57] <eroomde> we've seen that before at that altitude
[15:58] <fsphil> the top of the atmosphere ripples?
[15:58] <eroomde> yep
[15:58] <fsphil> ooh ascent rate 0.0
[15:58] <eroomde> gravity waves or something
[15:58] <fsphil> -0.1
[15:58] <fsphil> you may be right
[15:59] <junderwood_M0JCU> landing spot just coming south of Mildenhall
[15:59] <eroomde> who was it I was talking to the other day about the here-be-dragons regions above 35km?
[15:59] <fsphil> $$VDASEL,103;,15:58:41,5:.3 << vin diesel? :)
[15:59] <eroomde> where the principle of bigger balloon and lighter payload to go higher seems to be break down
[16:00] <fsphil> very nearly got a decode
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[16:03] <SamSilver_> reached 35k 15 mins ago nearly float
[16:03] <GW8RAK> I wonder if I can get home before it bursts?
[16:03] <fsphil> signal is weaker here again
[16:04] <griffonbot> @adamgreig: UK high altitude record broken! #cusf [http://twitter.com/adamgreig/status/83928374753497089]
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[16:04] <eroomde> lets hypothesise this bobbing, peeps. fluids aren't my thing
[16:05] <fsphil> stronger again -- getting most of the strings, just a few characters bad
[16:05] <eroomde> it could be that it's moving with an oscillating air mass, so 0 relative vertical air speed
[16:05] <junderwood_M0JCU> Randomskk, landing position is now about 2 miles north of Newmarket. Heading west
[16:05] <eroomde> or it could be that it's bobbing ontop of the thicker air, bounding around, as the pressure gradiants are really high at that altitude
[16:05] <GW8RAK> 3m to go
[16:05] <fsphil> 36km
[16:06] <fsphil> epic+1
[16:06] <stilldavid> nice!
[16:06] <jgrahamc> It's cool
[16:06] <fsphil> I can't see it going much higher though :)
[16:06] <SamSilver_> eroomde: or a big giant is paddle balling it
[16:07] <eroomde> or that
[16:07] <eroomde> this is really interesting
[16:07] <SamSilver_> it is hey!
[16:08] <eroomde> i think we need to do more of these flights
[16:08] <eroomde> and instrument the balloon itself
[16:08] <eroomde> try and figure out what mechanism is causing this
[16:08] <fsphil> I'm game for this kind of flight -- it's ideal for me, as it's almost certainly not going to be recovered if I do it
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[16:09] <junderwood_M0JCU> West of Newmarket. Next stop Cambridge.
[16:09] <eroomde> whoops
[16:09] <Dan-K2VOL> eroomde causing what
[16:09] <eroomde> Dan-K2VOL: oscillation
[16:09] <fsphil> portal
[16:09] <eroomde> tracker has got upset
[16:09] <eroomde> oh hang on...
[16:09] <junderwood_M0JCU> It's not the tracker. It's the telemetry
[16:09] <eroomde> have they done a lol?
[16:10] <fsphil> nooooo
[16:10] <fsphil> that didn't
[16:10] <eroomde> (meridian handling fail?)
[16:10] <fsphil> they*
[16:10] <junderwood_M0JCU> Oh dear
[16:10] <fsphil> they did lol
[16:10] <SamSilver_> gusty?
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[16:11] <fsphil> yea, the minus sign is missing
[16:11] <eroomde> i should say - this flight computer was a project by two of our new first-year recruits
[16:11] <eroomde> i'm not sure it's been tested!
[16:11] <Matt_soton> it went from 0.11 -> 0.10 -> 0.9
[16:11] <junderwood_M0JCU> I think it is just missing a zero from the position
[16:11] <junderwood_M0JCU> for 0.5675 read 0.05675
[16:12] <fsphil> I suspect the baud rate isn't exactly 50
[16:12] <fsphil> oooh that kind of bug
[16:12] <Dan-K2VOL> ah that's why I insist on GPS simulations of the entire potiential flight area - it must survive crossing the meridian and equator
[16:12] <eroomde> well we are only 5 miles from it
[16:12] <Dan-K2VOL> lol you could test that with a walk
[16:12] <eroomde> so we drive backwards and forwards across it on the dual carriageway between two exits
[16:13] <eroomde> whilst live-coding
[16:13] <Dan-K2VOL> hahaa that's awesome
[16:13] <fsphil> I used fake gps
[16:13] <fsphil> though I'm pretty far from the meridian, not likely to be a concern for me
[16:13] <Dan-K2VOL> never know, it could randomly float like this!
[16:13] <fsphil> but I'd be gutted if someone else used my code and I hadn't thought of that
[16:13] <junderwood_M0JCU> Real position is 52.2914, 0.02698, 36124
[16:14] <fsphil> one character out from a successful decode
[16:14] <fsphil> error correction ftw :)
[16:14] <Dan-K2VOL> is the GPS outputting the VDOP?
[16:14] <Dan-K2VOL> in telemetry
[16:14] <junderwood_M0JCU> no
[16:14] <fsphil> got one!
[16:14] <junderwood_M0JCU> meridian coming up
[16:14] <Matt_soton> does fldigi support any sorta error correction?
[16:14] <Dan-K2VOL> hrm, the PDOP at least?
[16:14] <fsphil> Matt_soton, not with rtty -- but modes like Olivia have it
[16:14] <junderwood_M0JCU> another leading zero lost
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[16:15] <Matt_soton> oh ok
[16:15] <Matt_soton> suppose now missing two 0s
[16:15] <junderwood_M0JCU> yes
[16:15] <junderwood_M0JCU> western hemisphere now
[16:16] <fsphil> 36.2km.. sheesh
[16:16] <Dan-K2VOL> I think it would be a good idea to recommend to people to send the VDOP and HDOP, or PDOP so you can discern crap GPS output from precise
[16:17] <junderwood_M0JCU> Oops. Burst
[16:17] <fsphil> burst?
[16:17] <junderwood_M0JCU> Yes
[16:17] <Matt_soton> fianlly
[16:17] <junderwood_M0JCU> 35305
[16:17] <fsphil> yea-- signal went all wobbly
[16:17] <junderwood_M0JCU> 34542
[16:17] <Dan-K2VOL> we failed to do that for SNOX IV and couldn't tell if oscillations were real or GPS altitude calculation fluctuations
[16:17] <junderwood_M0JCU> This is going to be fun. If it lands near the meridian there will be 3 possible landing sites :)
[16:18] <Dan-K2VOL> haha
[16:18] <fsphil> lol
[16:18] <fsphil> very unique altitude plot
[16:18] <fsphil> like a roller coaster
[16:19] <junderwood_M0JCU> OK. Best guess is somewhere near Waterbeach
[16:19] <Upu> hi
[16:19] <mattltm> Wow! that is some crazy flightpath!
[16:20] <fsphil> just in time Upu
[16:20] <Upu> I can hear it
[16:20] <Upu> no decodes though
[16:21] <Upu> fading
[16:21] <Upu> like its spinning
[16:21] <fsphil> well, heading home. congrats guys!
[16:21] <junderwood_M0JCU> Randomskk, landing position very close to Waterbeach airfield. Prediction holding nicely
[16:21] <Upu> 36k nice!
[16:22] <Upu> sounds like this should decode but I'm getting nothing
[16:23] <junderwood_M0JCU> should be on the ground at about 17:50
[16:23] <junderwood_M0JCU> BST
[16:23] <jgrahamc> Epic flight
[16:24] <Upu> got it
[16:24] <Upu> right payload selection ftw
[16:26] <Upu> how did it get over there ?
[16:26] <junderwood_M0JCU> It didn't
[16:27] <junderwood_M0JCU> missing 0 after the decimal point on loongitude
[16:27] <Upu> oh
[16:27] <junderwood_M0JCU> it will be missing two zeros in a few minutes
[16:27] <Upu> loud and clear here
[16:28] <Upu> programming error ?
[16:28] Nick change: Upu -> Upu_2E0UPU
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[16:30] <Upu_2E0UPU> its ok I scrolled back
[16:30] <junderwood_M0JCU> Randomskk, coming down very slowly. Predictions are moving towards Burwell.
[16:31] <Upu_2E0UPU> how do I get the predictions on ?
[16:32] <junderwood_M0JCU> I'm using my own code.
[16:32] <junderwood_M0JCU> Hand correcting for the duff data from the balloon
[16:32] <Upu_2E0UPU> ah ok
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[16:32] <junderwood_M0JCU> best guess landing is currently 52.2892, 0.2794, 17:58
[16:33] <junderwood_M0JCU> but that's assuming it's coming down faster than it actually is
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[16:34] <Upu_2E0UPU> whats actual longditute at the moment 0.02760 ?
[16:34] <junderwood_M0JCU> back in the eastern hemisphere
[16:34] <jgrahamc> Fens soggy at the moment?
[16:34] <junderwood_M0JCU> .00542
[16:34] <junderwood_M0JCU> Burwell looking like a good bet at the moment
[16:35] <Upu_2E0UPU> 0.013 now ?
[16:35] <junderwood_M0JCU> yup
[16:35] <jgrahamc> How far off are the chasers?
[16:36] <junderwood_M0JCU> last heard in Stowmarket :)
[16:36] <ejcweb> Hey everyone, just got back. Can someone briefly fill me in on what's been going on?
[16:36] <junderwood_M0JCU> it burst at 36206
[16:36] <SpeedEvil> Wow
[16:36] <junderwood_M0JCU> and will land just NE of Cambridge. Burwell
[16:36] <junderwood_M0JCU> (actually, closer to Newmarket)
[16:36] <SpeedEvil> Impressively high
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[16:37] <ejcweb> How does 36206 compare with other high flights?
[16:37] <eroomde> uk record
[16:37] <ejcweb> Nice. Let's hope some videos come out of this.
[16:38] <SpeedEvil> I was going to congratulate someone on the nice shading of the altitude graph.
[16:38] <ejcweb> Though the altitude plot is looking quite interesting.
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[16:38] <jgrahamc> What sort of video camera is onboard?
[16:38] <eroomde> http://wiki.ukhas.org.uk/general:uk_records
[16:39] <SpeedEvil> Was this anywhere near any thunderstorm activity?
[16:39] <SpeedEvil> Could it have been pushed up?
[16:39] <eroomde> SpeedEvil: there were a few rumbles around here earlier but nothing really since the launch
[16:40] <ejcweb> jgrahamc: It's just video recording on a Nexus One (720 x 480px), so nothing spectacular.
[16:40] <SpeedEvil> I think the rumbles may have been it breaking the sound barrier on the up/down spikes. :)
[16:40] <jgrahamc> Still will be looking forward to seeing the video
[16:40] <SpeedEvil> Yup.
[16:40] <ejcweb> Of course, there are plenty of reasons why it might not have worked and won't get any video at all, so fingers crossed...
[16:40] <SpeedEvil> Anything else in there?
[16:40] <junderwood_M0JCU> OK. The map should start showing its real position now
[16:41] <Randomskk> back online
[16:41] <Randomskk> we're in burwell
[16:41] <Randomskk> thanks v much for notifications junderwood_M0JCU
[16:41] <junderwood_M0JCU> You need to head for the north end of town
[16:42] <junderwood_M0JCU> junction of Toyse Lane and The Causeway looks good
[16:42] <jgrahamc> If they are there they may be able to see it coming for them. Let's hope they have a camera
[16:43] <junderwood_M0JCU> actually, The Causeway turns into North St
[16:43] <Randomskk> what parameters are you using? I'm guessing like 4m.s descent and it puts it east of exning or something
[16:43] <Randomskk> certainly around this area but dunno where exactly
[16:44] <junderwood_M0JCU> the prediction is still moving east. I think it may well overfly Burwell but not sure how far
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[16:45] <Randomskk> what do you think of heading to road between burwell and exning?
[16:45] <Randomskk> b1103
[16:45] <jcoxon> evening
[16:45] <eroomde> hi jcoxon
[16:46] <eroomde> missed a goodie
[16:46] <junderwood_M0JCU> I think the Burwell / Fordham road looks good
[16:46] <junderwood_M0JCU> B1102
[16:46] <jcoxon> hey eroomde
[16:46] <jcoxon> oh yeah?
[16:47] <Randomskk> k going onto b102
[16:47] <eroomde> jcoxon: new uk alt record
[16:47] <Upu_2E0UPU> my crap calcs put it closer to Exning
[16:47] <eroomde> >36
[16:47] <SpeedEvil> What was the old? 34?
[16:47] <Upu_2E0UPU> its tracking at .92km a min
[16:48] <eroomde> 35 something
[16:48] <eroomde> 35289 on wiki
[16:48] <eroomde> this one got to 36206
[16:48] <jcoxon> oh wow
[16:48] <jcoxon> nice
[16:48] <jcoxon> still in the air?
[16:48] <Upu_2E0UPU> yes
[16:48] <jcoxon> eek map looks messy
[16:48] <Upu_2E0UPU> coding errors :)
[16:48] <Dan-K2VOL> hi Jcoxon
[16:49] <SpeedEvil> What's the cause of hte altitude booogons?
[16:49] <junderwood_M0JCU> possible. It's still coming down way slower than my prediction. Time for a prediction change. Hold on!
[16:49] <jcoxon> ooo float
[16:49] <Upu_2E0UPU> 17 mins left ?
[16:49] <SpeedEvil> I make it bangish in the middle of burwell
[16:49] <SpeedEvil> actually - no
[16:49] <SpeedEvil> old prediction - oops
[16:50] <Upu_2E0UPU> goign much slower now
[16:51] <fsphil> hehe, I got home before it landed
[16:51] <fsphil> nice
[16:51] <Upu_2E0UPU> 2km more I reckon
[16:51] <SpeedEvil> Burwell road - between burwell and exing
[16:51] <Upu_2E0UPU> tracking..
[16:51] <SpeedEvil> (based on the predictor)
[16:52] <junderwood_M0JCU> Randomskk, B1103 was better I think. Sorry!
[16:52] <Upu_2E0UPU> its tracking across ground at about 1km a min
[16:53] <junderwood_M0JCU> The way the predictions are changing, it could land in Exning
[16:53] <Randomskk> junderwood_M0JCU: back on it now and heading to a layby
[16:53] <Randomskk> b1103 that ais
[16:53] <Upu_2E0UPU> *cough* [17:47] <Upu_2E0UPU> my crap calcs put it closer to Exning
[16:53] <Randomskk> okay we're parked on the b1103
[16:53] <SpeedEvil> b1103 looks likely
[16:53] <Upu_2E0UPU> yes I'd go with that
[16:53] <junderwood_M0JCU> It would be a lot easier if people weighed their payloads :)
[16:53] <jgrahamc> Nail biting stuff
[16:54] <Upu_2E0UPU> should be able to see it you got some binoculars ?
[16:54] <Randomskk> no binocs
[16:54] <Randomskk> :P
[16:54] <Upu_2E0UPU> 10 mins out :)
[16:54] <junderwood_M0JCU> B1103 on outskirts of Exning looks good to see it down
[16:54] <fsphil> not too many trees
[16:54] <fsphil> excellent
[16:55] <SpeedEvil> Probably a bit too far yet for eyeballs.
[16:55] <Upu_2E0UPU> I'm still getting past exing
[16:55] <Upu_2E0UPU> loosign it
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[16:57] <Randomskk> yagi out
[16:57] <Upu_2E0UPU> north of Exing
[16:57] <junderwood_M0JCU> Randomskk, it will land about 0.5 miles north of Exing.
[16:57] <ejcweb> Texting Android to see if it is still alive...
[16:58] <junderwood_M0JCU> Currently it's just short of Burwell at 2295m
[16:58] <Upu_2E0UPU> drive down B1103 turn left up N.End road
[16:58] <Upu_2E0UPU> I see trees :)
[16:58] Action: fsphil hides
[16:58] <Randomskk> Upu_2E0UPU: we're on foot
[16:58] <Randomskk> yagi
[16:58] <Randomskk> still decoding here
[16:58] <Upu_2E0UPU> run then :)
[16:58] <Upu_2E0UPU> I've lost it
[16:58] <fsphil> brb, can't watch! (also, dinner ;-)
[16:58] <Randomskk> on b1103
[16:59] <junderwood_M0JCU> It won't quite make Cotton End Rd.
[16:59] <Upu_2E0UPU> my bet is the fields between N.End and Cotton End
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[16:59] <junderwood_M0JCU> agreed
[17:00] Nick change: Upu_2E0UPU -> Upu
[17:00] <SpeedEvil> You mean the fields with the big clump of trees in the middle?
[17:00] <Upu> yep :)
[17:00] <junderwood_M0JCU> I currently have it in the clump of trees just near the big building on Cotton End Rd
[17:00] <cuddykid> Hi all, just got in, anyone update me on launch? Please say its not another tree incident?!?!?!
[17:00] <SpeedEvil> Not yet.
[17:00] <Dan-K2VOL> haha nooooo
[17:00] <Upu> might be just stick about cuddykid :)
[17:01] <SpeedEvil> Err - I mean - no, of course not.
[17:01] <Upu> its about 5 mins from landing
[17:01] <cuddykid> oh right! cool
[17:01] <cuddykid> just in time!
[17:01] <SamSilver_> cuddykid: it was a bit of a floater
[17:01] <cuddykid> wow, there's been some dodgy data feeding through to tracker by the looks!
[17:01] <cuddykid> cool
[17:02] <Upu> no data was fine just the code was giving wrong longditude
[17:02] <cuddykid> ahh right
[17:02] <cuddykid> is it that 0 degree line causing probs again?
[17:02] <Upu> think so
[17:02] <jgrahamc> Likely visible at this altitude
[17:03] <cuddykid> btw Upu, should have my styrofoam tomorrow :D
[17:03] <Upu> have fun with it
[17:03] <junderwood_M0JCU> Randomskk, There is a road running parallel to Cotton End Rd and just to the west, off North End.
[17:03] <Upu> wire cutter is the way to go
[17:03] <Upu> you still got it M0JCU ?
[17:04] <junderwood_M0JCU> It will be 360 yards up there.
[17:04] <junderwood_M0JCU> In open fields
[17:04] <SpeedEvil> Guess it's any time now.
[17:04] <junderwood_M0JCU> No. Last packet at 850 m
[17:04] <junderwood_M0JCU> $$WEASEL,1327,17:02:06,52.2785500,0.3485700,850,08*°3
[17:05] <Upu> so now we sit and wait :)
[17:05] <Upu> afk quick shower
[17:05] Action: SpeedEvil lies and waits.
[17:05] Action: SpeedEvil is lazy.
[17:06] <Randomskk> k we got a string at 30m
[17:06] <cuddykid> dun dun
[17:06] <junderwood_M0JCU> Randomskk, where was it then?
[17:06] <Randomskk> 52.27468, 0.36964
[17:06] <SpeedEvil> \
[17:06] <Randomskk> we are driving then foxhunting
[17:06] <SpeedEvil> p
[17:07] <Randomskk> didn't see it in the air :(
[17:07] <SpeedEvil> :) even
[17:07] <Randomskk> okay will keep you updated
[17:07] <Randomskk> cheers for all the help!
[17:07] <Dan-K2VOL> good luck
[17:07] <Randomskk> wifi tether off to save phone battery
[17:07] <Randomskk> back later!
[17:07] <cuddykid> got the harness ready for tree climbing?! ;) .... lets hope!
[17:07] <cuddykid> bye!
[17:07] <SpeedEvil> Neat - on the road.
[17:07] <ejcweb> Text received from Nexus!!
[17:08] <jgrahamc> Yay
[17:08] <cuddykid> v good
[17:08] <SpeedEvil> oh - not on the road
[17:08] <SpeedEvil> oops
[17:08] <junderwood_M0JCU> Oh dear
[17:08] <SpeedEvil> http://maps.google.co.uk/maps?q=%4052.27468,+0.36964&hl=en&ll=52.274444,0.369944&spn=0.001265,0.001819&sll=56.215991,-3.11212&sspn=0.018399,0.029097&t=h&z=19
[17:08] <ejcweb> 52.274, 0.369
[17:08] <junderwood_M0JCU> 200 yds from the last prediction
[17:08] <junderwood_M0JCU> In the trees
[17:08] <cuddykid> :O
[17:08] <ejcweb> pretty much same as string received at 30m alt.
[17:09] <cuddykid> bloody trees!
[17:09] <junderwood_M0JCU> may have ceared them (just)
[17:09] <jgrahamc> I was so lucky to miss the trees with GAGA-1
[17:09] <cuddykid> looks like only a small section though > small prob
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[17:23] Nick change: junderwood_M0JCU -> junderwood
[17:23] <griffonbot> @AnthonyStirk: Congratulations to the #cusf team for breaking the #ukhas altitude record 36206 m ! [http://twitter.com/AnthonyStirk/status/83948235399507969]
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[17:23] <griffonbot> @AnthonyStirk: RT @adamgreig: UK high altitude record broken! #cusf [http://twitter.com/AnthonyStirk/status/83948334657699840]
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[17:31] <Laurenceb_> recovered?>
[17:33] <Upu> can't be far off
[17:35] <griffonbot> Received email: Oliver de Peyer Astrobiologist "[UKHAS] Re: Patch antennae? Re: interesting item on ebay?"
[17:38] <Laurenceb_> im guessing the cusf ground penetrator will be called mole?
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[17:45] MoALTz_ (~no@92.18.22.82) joined #highaltitude.
[17:46] <griffonbot> @adamcudworth: HAB glider styrofoam should be arriving tomorrow - time to start building this thing #UKHAS [http://twitter.com/adamcudworth/status/83954075540008960]
[17:46] <ejcweb> The guys are currently attempting to gain access to the private land... proving not entirely straighforward.
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[17:46] <cuddykid> thanks for update ejcweb
[17:47] <Laurenceb_> ejcweb: use gate?
[17:47] <jcoxon> cuddykid, glider?
[17:47] <cuddykid> jcoxon: yeah, going to have a go
[17:47] <jcoxon> :-)
[17:47] <jcoxon> not an easy task
[17:48] <cuddykid> have a feeling it will be awful!
[17:48] <cuddykid> probably a many year job
[17:48] <jcoxon> what are you thoughts on it being a UAV?
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[17:48] <ejcweb> Laurenceb_: The gate in question has a warning sign about being private land etc, no trespassing.
[17:48] <Laurenceb_> well if theres noone about... :P
[17:48] <jcoxon> squirrels seem to like trees...
[17:49] <cuddykid> jcoxon: will be getting IMU and having a play around. Looked at ardupilot but but of an overkill for what I need
[17:49] <cuddykid> not entirely sure on design of glider yet
[17:49] <jcoxon> i meant from a legality point of view
[17:49] <jcoxon> (not to put a dampner on things!)
[17:49] <Laurenceb_> cuddykid: well the avr is a bit underpowered
[17:49] <Laurenceb_> cuddykid: a directional chute is more legal
[17:49] <ejcweb> jcoxon: Perhaps I should consider a rebranding...
[17:49] <Laurenceb_> well aiui it is legal :D
[17:51] Action: SpeedEvil hugs the right to roam.
[17:51] <cuddykid> oh! urm, haven't checked that out yet, I was under impression that provided it's unpowered then it should be ok if keeps in size/weight guidelines
[17:51] <Laurenceb_> yeah they can tell you to get off the land, but its not like you can face consiquences for being on farmland
[17:51] <Dan-K2VOL> well that's nice
[17:52] <Dan-K2VOL> here they have the right to defend their farmland by shooting at you
[17:52] <Laurenceb_> lol
[17:52] <Laurenceb_> you might be a zoophile
[17:53] <SpeedEvil> Laurenceb: the animals - however - may have a rather different view of territory.
[17:53] <g8dcj> say you are recovering materials that could be hazardous to live stock
[17:53] <cuddykid> lol Dan-K2VOL
[17:55] <cuddykid> jcoxon: just had a google, appears as though if under 7kg and contact can be maintained (downlink is ok) then its legal ... but that's just a quick google
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[17:56] <jcoxon> cuddykid, i think it needs to be in eyesight
[17:57] <jcoxon> but the rules might have changed
[17:58] <cuddykid> yeah, looks as though there was a new air navigation order passed 1/1/10 stating that the visual or 500m range is no longer required (by the looks of it)
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[18:02] <Laurenceb_> thats not how i understand it
[18:11] <cuddykid> how did the ukhas glider project fly if uav's are illegal?
[18:13] <jcoxon> it didn't
[18:13] <jcoxon> well Laurenceb's version did
[18:13] <jcoxon> but that was a rogallo
[18:13] <jcoxon> so its a steered parachute in theory
[18:14] <eroomde> if the screen has suddenly turned grey, it's because you've taken it into the greyest of grey areas
[18:14] <eroomde> don't worry it'll pass
[18:15] <cuddykid> oh right, hmm, caa always have to spoil the fun
[18:16] <cuddykid> according to MIT professors the chance of a uav the size that I will build hitting an aircraft is in the order of "1 in a billion" lol
[18:16] <Laurenceb_> yeah depends of if a chute can contain rigid elements
[18:16] <Laurenceb_> if the lifting surface is still fabric
[18:16] <eroomde> mit professors ay?
[18:17] <eroomde> i guess stanford ones use a different flavour of statistics
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[18:17] <Laurenceb_> bet they said fukushima could never blow up wither :P
[18:17] <Laurenceb_> *either
[18:17] <cuddykid> lol eroomde
[18:17] <griffonbot> Received email: Steve Randall "[UKHAS] Re: Patch antennae? Re: interesting item on ebay?"
[18:17] <cuddykid> "According to an MIT study, the risk of a small Unmanned Aerial Vehicle such as this being hit by a jetliner is on the order of 1 in 1 billion per UAV flight hour."
[18:17] <cuddykid> lol
[18:20] <junderwood> cuddykid, depends where you fly it.
[18:21] <junderwood> Slightly higher than that if you fly it over west London
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[18:26] <Laurenceb_> cuddykid: im currently working on an imu, its not easy
[18:26] <Laurenceb_> chutes have advantages that they are easier to control
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[18:29] <Laurenceb_> potentially just gps and a yaw gyro
[18:29] <Laurenceb_> i got lots of good ground test flights like that
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[18:31] <Laurenceb_> sensors have come down _massively_ in price in the last 2 years tho
[18:32] <Laurenceb_> my latest board costs the same as the mini rogallo i built in 2008/9, despite being 9dof with baro and stm32
[18:33] <cuddykid> Laurenceb_: oh dear sounds v hard
[18:34] <Matt_soton> error free tracks of todays launch...
[18:35] <Matt_soton> http://users.ecs.soton.ac.uk/mfb2g09/track_weasel_filt.gpx
[18:35] <Matt_soton> http://users.ecs.soton.ac.uk/mfb2g09/track_weasel.gpx
[18:35] <Matt_soton> the first one having zero altitudes removed
[18:35] <Laurenceb_> 2008 youd pay £50 for a single gyor axis, now http://uk.farnell.com/invensense/mpu-6050/gyro-accel-9-axis-fusion-prog-i2c/dp/1864742
[18:35] <cuddykid> all I need to achieve is say 10degree decent angle and avoid roll
[18:36] <Laurenceb_> thats easier said than done
[18:36] <cuddykid> then get it heading to a certain gps co-ord then spiral say
[18:36] <cuddykid> oh
[18:36] <cuddykid> can imagina
[18:37] <Laurenceb_> im running openpilot on custom hardware
[18:37] <Laurenceb_> which is also easier said than done
[18:37] <griffonbot> Received email: Steve Randall "Re: [UKHAS] Re: Patch antennae? Re: interesting item on ebay?"
[18:38] <Laurenceb_> really need to get my hands on a pipextreme, but atm its openpilot developers only
[18:39] <cuddykid> I'm not planning to use any autopilot out there atm,
[18:39] <cuddykid> was planning on trying to code my own v basic one
[18:39] <Laurenceb_> then id go yaw gyro and gps
[18:39] <cuddykid> such as, find angle of pitch, if >10degrees then adjust aileron
[18:39] <Laurenceb_> and a chute of some sort, pref a rogallo as it cant tangle up
[18:39] <cuddykid> not aileron, elevators
[18:40] <cuddykid> how do you control which direction etc rogallo goes?
[18:40] <Laurenceb_> that assumes stable flight
[18:40] <Laurenceb_> CofG shift usin g the wings
[18:41] <cuddykid> ah ok
[18:41] <griffonbot> Received email: "Re: [UKHAS] Re: Patch antennae? Re: interesting item on ebay?"
[18:41] <Laurenceb_> all the code is on the wiki as well, tho youd probably at least want to swap the tsip code to ubx
[18:41] <Laurenceb_> - lassen iq to ublox5/6
[18:43] <Laurenceb_> but if you go that route itd easily run on a tarduino
[18:47] <cuddykid> was planning to use lassen on arduino
[18:48] <Laurenceb_> lassen is poor for uavs
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[18:49] <cuddykid> how come? is it the refresh rate?
[18:50] <Laurenceb_> and dynamic performance
[18:54] <Laurenceb_> but yeah refresh is only 1hz
[18:54] <Laurenceb_> some receivers can do 10
[18:59] <cuddykid> ahh
[18:59] <cuddykid> suppose with the alt though it might not be too much of an issue
[18:59] <cuddykid> got a lot of room to play around with
[19:05] <ejcweb> In the words of jonsowman, "It's very up a tree".
[19:05] <ejcweb> Deja-vu...
[19:07] <Upu> lol
[19:07] <Upu> Trees the HABists nemesis
[19:08] <Upu> they got access to the land ?
[19:12] <ejcweb> Yep.
[19:19] <Hiena> Nah, the trees helping the recovery process. Much easier to locate the payload, when it has better signal strength due the higher antenna location.
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[19:22] <eroomde> and if you beleive that
[19:22] Action: fsphil runs away and hides
[19:22] <fsphil> nasty treess... steeling our payloads they does
[19:23] <SamSIlver> not another
[19:24] <fsphil> looks like
[19:25] <SamSIlver> weasel is up a tree?
[19:25] <SamSIlver> I saw the record alti set
[19:25] <cuddykid> oh dear
[19:25] <cuddykid> this needs a solution, fast
[19:26] <fsphil> chainsaws
[19:26] <fsphil> lots of chainsaws
[19:26] <cuddykid> yeah lol
[19:27] <SamSIlver> when I was in the USA there was a fable about a huge dude that chopped down trees
[19:27] Nick change: MoALTz_ -> MoALTz
[19:31] <Zuph> SamSIlver: Paul Bunyan!
[19:31] <SamSIlver> we need Paul Bunyan
[19:31] <SamSIlver> yes
[19:33] <SamSIlver> http://en.wikipedia.org/wiki/Paul_Bunyan
[19:34] <W0OTM> hi all
[19:34] <fsphil> he's a lumberjack and he's really tall?
[19:34] <Zuph> I don't know, last time Paul Bunyan came around, he created the great lakes. One of 'em alone is bigger than Scotland.
[19:35] <fsphil> we've a similar story here about how our biggest lough was made
[19:37] <fsphil> somewhat smaller than the great lakes ;)
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[19:46] <Zuph> Just a bit smaller.
[19:52] <Dan-K2VOL> afternoon zuph
[19:53] <Zuph> Afternoon
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[19:58] <Dan-K2VOL> anyone launching in the near future?
[19:59] <fsphil> think there's one next weekend in england
[19:59] <nickolai89> hey dan where are you based?
[20:05] <Dan-K2VOL> Louisville KY
[20:05] <Dan-K2VOL> cool fsphil, are launches usually scheduled on the ukhas page?
[20:05] <Dan-K2VOL> nickolai89 how about you?
[20:05] <fsphil> http://www.ukhas.org.uk/general:upcoming_launches
[20:05] <fsphil> that'll usually have them
[20:06] <Dan-K2VOL> nice, thanks phil
[20:06] <nickolai89> Dan-K2VOL: I'm in NJ for the summer, although I go to school at Purdue
[20:06] <Dan-K2VOL> cool
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[20:09] <nickolai89> I'm not sure yet if I want to launch in NJ or IN
[20:09] <nickolai89> do you think it would make much of a difference?
[20:10] <Dan-K2VOL> yes
[20:10] <Dan-K2VOL> you'll likely lose it in the ocean if you launch from NJ
[20:10] <nickolai89> I was afraid of that :(
[20:10] <Dan-K2VOL> depending on the winds that day, but usually count on it heading east
[20:10] <Dan-K2VOL> be a hundred or two hundred miles
[20:10] <Dan-K2VOL> by
[20:11] <Dan-K2VOL> use the CUSF predictor though to do testing of that
[20:11] <nickolai89> yea i intend to, just haven't gotten around to it yet
[20:11] <Dan-K2VOL> are you involved in a hackerspace?
[20:11] <nickolai89> no, what's that?
[20:11] <Dan-K2VOL> it's easy to fiddle with the predictor
[20:12] <Dan-K2VOL> oh my, where do you live in NJ this summer
[20:12] <nickolai89> in the northern half, kinda far from anything interesting except morristown
[20:12] <Dan-K2VOL> http://hackerspaces.org/wiki/List_of_Hacker_Spaces
[20:13] <Laurenceb_> http://sfecdn.s3.amazonaws.com/Homepage/cake2-L.jpeg
[20:13] Action: Laurenceb_ facepalms
[20:14] <nickolai89> oh wow, i'd never heard of these
[20:14] <nickolai89> that's really cool, i'll have to find some
[20:17] <Dan-K2VOL> definitely
[20:37] <SamSIlver> g'night
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[20:44] <Lunar_Lander> hello
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[20:47] <Lunar_Lander> hi fsphil nickolai89 mattltm jcoxon
[20:47] <hibby> hurrah!
[20:47] <hibby> us visa!
[20:48] <Lunar_Lander> yay
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[20:48] <Lunar_Lander> well done hibby
[20:49] <hibby> total waste of my money, getting it, though
[20:49] <hibby> I went to my interview, which cost $140. They took my recipt, confirmation of interview, let me sit for 40 minutes, took me in and told me to enjoy my stay, I've been granted a visa and i'll receive my passport in a few days
[20:49] <Lunar_Lander> yeah
[20:50] <Lunar_Lander> so the interview wasn't really many question?
[20:50] <Lunar_Lander> +s
[20:50] <hibby> not to include the $150 flights to the consul, and $70 assorted logistics surrounding it.
[20:50] <hibby> Lunar_Lander: none - they just processed forms I submitted online
[20:50] <Lunar_Lander> ah
[20:50] <Lunar_Lander> sounds easy
[20:51] <hibby> was totally painless. Just danged expensive, sadly.
[20:51] <hibby> lovely day out in belfast, though
[20:51] <Lunar_Lander> yeah
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[20:53] <Lunar_Lander> btw
[20:53] <Lunar_Lander> I found that there are also optical breadboards
[20:53] <Lunar_Lander> http://upload.wikimedia.org/wikipedia/commons/7/7e/Laser.jpg
[20:54] <hibby> amazing
[20:54] <Randomskk> back home
[20:54] <Randomskk> uuugh
[20:54] <hibby> looks like something out the original half life
[20:54] <Lunar_Lander> yeah
[20:54] <Lunar_Lander> I remember that room
[20:54] <Upu> hey Randomskk
[20:54] <Upu> did you get it back ?
[20:54] <Randomskk> no :(
[20:55] <Upu> stuck up a tree ?
[20:55] <Randomskk> ~25m up a tree in a thick forest between two fields with cows and a bull
[20:55] <Lunar_Lander> hibby I wonder what the system is used for
[20:55] <Randomskk> the farmers were kind of helpful but didn't really have anything suitable and can't be cutting down their trees
[20:55] <Upu> so whats the plan ?
[20:55] <Randomskk> we've left contact details in the hope it blows out
[20:55] <Lunar_Lander> as far as I see, the beam is just guided once around the table
[20:55] <Upu> ah ok
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[20:55] <Randomskk> and then asked them to phone tomorrow to see if they can help
[20:55] <Randomskk> as maybe they'll have like a tractor with a cherry picker or something
[20:55] <Randomskk> however everyone goes home for holiday like tomorrow/saturday
[20:56] <Upu> Think I'm going to put some ladders on the roof when I do mine :)
[20:56] <Randomskk> so either they hold onto it or post it or something, or maybe jonsowman and I are coming back to cambridge in a month ish, or who knows
[20:56] <Randomskk> might just have lost it
[20:56] <Lunar_Lander> hibby Randomskk Upu
[20:56] <Randomskk> ladders wouldn't be much help, it was maybe 5 or 6m out from the tree trunk on a thin branch
[20:56] <Lunar_Lander> sorry
[20:56] <Upu> take any pictures of it up the tree ?
[20:56] <Upu> hey Lunar_Lander
[20:56] <Lunar_Lander> *hi Upu Randomskk
[20:56] <Randomskk> yea though not on my camera
[20:56] <Lunar_Lander> :)
[20:56] <kristianpaul> Probing data (../GNSS_signal_records/GPS_and_GIOVE_A-NN-fs16_3676-if4_1304.bin)...
[20:56] <Lunar_Lander> Randomskk did you fly?
[20:56] <hibby> :)
[20:56] <kristianpaul> number of rows must match (0 != 1) near line 145, column 32 (run setSettings or change settings in "initSettings.m" to reconfigure)
[20:56] <kristianpaul> :S
[20:56] <Upu> another payload lost to trees :/
[20:56] <Randomskk> 13 hours from leaving college to getting back :/
[20:57] <Randomskk> still, UK altitude record
[20:57] <hibby> Randomskk: nice one.
[20:57] <Upu> yeah
[20:57] <Upu> would love to see the ictures
[20:57] <Upu> oh well guess we'll have to wait
[20:57] <hibby> how about we say a chansaw, saw or axe are essential tools now ;)
[20:57] <Randomskk> yea really a shame
[20:57] <Randomskk> plus there was a nexus 1 in there
[20:57] <Randomskk> and a nice parachute
[20:57] <Randomskk> all a bit of a shame
[20:58] <Lunar_Lander> Randomskk what is your altitude?
[20:58] <Randomskk> also exhausting
[20:58] <Randomskk> Lunar_Lander: I dunno, it hit 36.something km
[20:58] <kristianpaul> Laurenceb_: had you experienced the message i posted above?
[20:58] <jcoxon> Randomskk i feel your pain
[20:58] <Randomskk> jcoxon: haha I bet
[20:58] <Lunar_Lander> well done!
[20:58] <Randomskk> though cutting the tree down is definitely not an option this time :P
[20:58] <Upu> 36206 m
[20:59] <hibby> Randomskk: just go at night
[20:59] <Randomskk> which is 15th best on the ARHAB records, too
[20:59] <Upu> what was the offical name of the pay load ?
[21:00] <Randomskk> weasel I guess
[21:00] <Laurenceb_> kristianpaul: sorry whats this a problem with?
[21:01] <Lunar_Lander> Randomskk and it landed on a tree on a private ground
[21:01] <Lunar_Lander> ?
[21:01] <Randomskk> Lunar_Lander: yea
[21:01] <Lunar_Lander> oh no
[21:01] <Upu> http://ukhas.org.uk/general:uk_records
[21:01] <Upu> there you go
[21:01] <Upu> grats
[21:01] <kristianpaul> Laurenceb_: he :),sorry, i'm trying to run SoftGNSS code from borre, i just run init.m with matlab after hacl others files claiming for right values..
[21:01] <Lunar_Lander> xD the dot is confusing
[21:01] <Upu> I text Rob Harrison and told him he's now second :)
[21:01] <Randomskk> Upu: thanks :D
[21:02] <Lunar_Lander> because in germany, it has the function that the comma has in english Upu
[21:02] <Randomskk> so yea, we got stung all over crawling through nettles to try and spot the payload up a tree
[21:02] <Randomskk> had a herd of 20 cows start charging towards us
[21:02] <Randomskk> nearly got run at by a bull
[21:02] <Lunar_Lander> a german would probably read 36206 km
[21:02] <Lunar_Lander> congratulations, you reached GEO orbit
[21:02] <Lunar_Lander> xD
[21:02] <Randomskk> spent 4 hours within 500m of the payload trying to get to it
[21:02] <kristianpaul> Laurenceb_: i manage to get the same code shipped on the DVD :-)
[21:02] <Lunar_Lander> yeah
[21:02] <Upu> 36,206 km = space 36.206km = sky
[21:03] <Laurenceb_> kristianpaul: where from?
[21:03] <fsphil> know that feeling Randomskk
[21:03] <Lunar_Lander> Upu yeah :P
[21:03] <Randomskk> my phone totally ran out of battery from wifi tethering :P
[21:03] <Lunar_Lander> Upu of course I know what the dot means
[21:03] <Lunar_Lander> ;)
[21:03] <Upu> ok afk walking dog
[21:03] <Randomskk> and now jonsowman actually has a 2-3 hour drive home :P
[21:03] <Lunar_Lander> Upu ttyl
[21:03] <Lunar_Lander> WHOA
[21:03] <Lunar_Lander> it's calm outside
[21:03] <Randomskk> so he's been driving for hours and hours
[21:04] <Lunar_Lander> and suddenly a bright lightning bolt to the NW
[21:04] <Lunar_Lander> !
[21:04] <Lunar_Lander> multiple flashes, a little bit red
[21:04] <Laurenceb_> kristianpaul: sorry its been ages since i ran the code
[21:04] <kristianpaul> Laurenceb_: a guy who bought the book, so i asked for the dvdv content, and he sent me the code and a part of the sample data
[21:04] <Laurenceb_> neat
[21:04] <kristianpaul> Laurenceb_: ages..
[21:04] <Laurenceb_> i have the dvd somewhere, sorry i can find it atm
[21:04] <kristianpaul> Laurenceb_: but you ran it with octave right?
[21:04] <Laurenceb_> like 2 years
[21:04] <kristianpaul> no problem
[21:05] <Lunar_Lander> now it thunders
[21:05] <Laurenceb_> yes, after some changes
[21:05] <Lunar_Lander> it must be really far away
[21:05] <kristianpaul> Laurenceb_: but you have the forked code?
[21:05] <kristianpaul> i still not getting all this to wrok.. :S
[21:06] <Lunar_Lander> Randomskk I hope that you get the opportunity to get your payload back
[21:06] <Randomskk> yea hopefully! we'll do what we can
[21:06] <SpeedEvil> Good luck!
[21:06] <kristianpaul> may be a clue to debug last message i posted http://paste.debian.net/120776/
[21:07] <Lunar_Lander> bte
[21:07] <Lunar_Lander> *btw
[21:07] <Lunar_Lander> does anybody know what Robert does now?
[21:07] <kristianpaul> Laurenceb_: is a bit confusing, well i never run something so comlex in octave before...
[21:07] <Lunar_Lander> Icarus III-2? Icarus IV?
[21:07] <jcoxon> Lunar_Lander, i think family life has caught up with him
[21:07] <Lunar_Lander> yeah
[21:08] <Lunar_Lander> jcoxon hello :)
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[21:09] <Lunar_Lander> jcoxon I think I have found all my components now
[21:09] <Lunar_Lander> this GPS http://www.coolcomponents.co.uk/catalog/product_info.php?products_id=518
[21:10] <Laurenceb_> kristianpaul: try checking the errors - hopefully it can be solved with simple changes
[21:10] <Laurenceb_> i had an issue where the PRN code numbers were off by one
[21:10] <jcoxon> Lunar_Lander, excellent
[21:10] <Lunar_Lander> does anybody know if this is a GPS with speed limit only?
[21:10] <Laurenceb_> also some of the rounding in the position filter needed changing to improve accuracy
[21:10] <kristianpaul> Laurenceb_: did yousee the last error i pasted?
[21:11] <kristianpaul> i dont get what's wrong witht the columns..
[21:11] <kristianpaul> but anyway.. i'll keep checking :-|
[21:12] <Lunar_Lander> jcoxon do you know it maybe?
[21:12] <kristianpaul> Laurenceb_: jsut in case you miss it http://paste.debian.net/120776/
[21:12] <jcoxon> Lunar_Lander, i've never used it
[21:12] <jcoxon> but i think others have
[21:13] <Lunar_Lander> ah
[21:13] <Lunar_Lander> http://groups.yahoo.com/group/GPSL/message/6041
[21:13] <Lunar_Lander> "Hi,
[21:13] <Lunar_Lander> We've had some success with the Venus GPS. It's integrated into our
[21:13] <Lunar_Lander> 'BadgerCub' flight computer:"
[21:13] <Lunar_Lander> sounds good
[21:13] <Randomskk> it's actually rubbish
[21:13] <kristianpaul> Laurenceb_: the rror is there right.. but in wich file, is not clear forme]
[21:13] <Randomskk> we're changing the GPS on badgercub
[21:13] <Randomskk> it works but
[21:13] <Lunar_Lander> oh ok
[21:13] <Randomskk> meh
[21:14] <Randomskk> well no, that's not fair - it's fine for ballooning
[21:14] <Randomskk> and you can get it w/o altitude limits
[21:14] <Randomskk> so by all means use it
[21:14] <Lunar_Lander> Randomskk what do you recommend?
[21:14] <Randomskk> ublox6 series or something are sexy
[21:14] <Lunar_Lander> now I'm confused
[21:14] <Randomskk> yea saying it was rubbish was unfair, it's not that bad
[21:14] <Randomskk> just we are changing it out for newer hotter things
[21:14] <Lunar_Lander> yeah
[21:15] <Lunar_Lander> is it possible to find out if the breakout I linked to has the speed limit?
[21:15] <Lunar_Lander> in the datasheet maybe?
[21:15] <Randomskk> it's to do with the software, but I didn't really do much with that
[21:16] <Lunar_Lander> oh ok
[21:19] <Upu> Lunar_Lander Icarus had different flight computers called 1, 2 and 3
[21:19] <Lunar_Lander> yeah
[21:19] <Lunar_Lander> and III is still good?
[21:19] <Upu> Yeah but Rob hasn't been about for a bit
[21:20] <Lunar_Lander> yeah
[21:20] <Lunar_Lander> jcoxon said that family is now is prime prioriy
[21:20] <Lunar_Lander> +t
[21:20] <Upu> yup
[21:24] <Lunar_Lander> so
[21:24] <Lunar_Lander> I get that the Venus is OK?
[21:26] <Lunar_Lander> Randomskk could you maybe help me how to contact the person who programmed it for you?
[21:26] <Randomskk> eroomde would be the person to ask
[21:26] <Lunar_Lander> ah thanks
[21:26] <Lunar_Lander> eroomde is here?
[21:29] <nickolai89> Just got back, congrats on the altitude record Randomskk - shame you can't get the payload down though
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[21:37] <SpeedEvil> I think it's another altitude record.
[21:38] <SpeedEvil> Isn't it the highest anyones been stuck up a tree?
[21:41] <Upu> no i think fsphil has that one in the bag
[21:42] <Upu> or in the tree
[21:42] <jcoxon> i don't know
[21:42] <jcoxon> mine was high
[21:45] <BrainDamage> the tree would have the record, not the experimenter!
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[21:48] <fsphil> mine's about 12 metres up a tree -- though the tree is on a mountain, so the overall height is about 350m :)
[21:49] <Lunar_Lander> yay!
[21:49] <Lunar_Lander> btw
[21:49] <Lunar_Lander> http://www.youtube.com/watch?v=g_201KSwJuo&feature=related
[21:49] <Lunar_Lander> xD
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[22:00] <LazyLeopard> fsphil: Oh dear. Ho long has it been there?
[22:02] <fsphil> umm.. few weeks now
[22:02] <Elwell> fsphil: need a decent gale
[22:02] <fsphil> heading back next weekend
[22:02] <fsphil> there was a small tornado not far from it a few days after it landed :)
[22:02] <fsphil> not close enough though
[22:04] <LazyLeopard> Bother.
[22:05] Action: fsphil has an evil plan to get it down
[22:05] <hibby> saw?
[22:05] <hibby> chainsaw?
[22:05] <fsphil> You know I could go to all this bother and find the camera didn't work :)
[22:05] <hibby> big-bastard chain saw?
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[22:05] <nickolai89> lol @ Lunar_Lander
[22:05] <Lunar_Lander> xD
[22:06] <fsphil> mini tiny cutter thingy :)
[22:06] <fsphil> inspired by tornado from robot wars
[22:06] <Lunar_Lander> yay!
[22:07] <Lunar_Lander> Robot Wars must return!
[22:07] <fsphil> spin to win :)
[22:07] <Lunar_Lander> yeah
[22:07] <Lunar_Lander> Hypno-Disc was cool
[22:07] <Lunar_Lander> xD
[22:07] <fsphil> aah, hypno-disc -- not tornado
[22:07] <Lunar_Lander> yeag
[22:07] <Lunar_Lander> yeah
[22:07] <fsphil> I'm getting my bots mixed up
[22:07] <fsphil> best thing about that machine was the noise
[22:07] <Lunar_Lander> but tornado had a small vertical spinner
[22:07] <Lunar_Lander> yeah
[22:08] <Lunar_Lander> sad that Hypno-Disc never became UK champion
[22:09] <Lunar_Lander> fsphil did you ever see RW live?
[22:09] <fsphil> didn't nope
[22:10] <jcoxon> Lunar_Lander, eroomde was in robot wars
[22:10] <fsphil> but I think they still do live events
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[22:10] <Lunar_Lander> cool
[22:10] <Lunar_Lander> which team?
[22:10] <jcoxon> not sur
[22:10] <jcoxon> e
[22:10] <fsphil> I've probably seen him on it
[22:10] <jcoxon> you'll ahve to ask him next time he is on
[22:10] <BrainDamage> they ban all the fun stuff
[22:11] <BrainDamage> like, max circuit voltage, 50V
[22:11] <Lunar_Lander> yeah
[22:11] <BrainDamage> I guess tought, that thanks to supercaps, one could add arc weapons
[22:11] <Lunar_Lander> what was the team with the very expensive robot again?
[22:11] <Lunar_Lander> they only were in until Series 4
[22:11] <Lunar_Lander> Mortis I think
[22:11] <fsphil> I'd say quite a few where very expensive
[22:12] <fsphil> Razor looked expensive
[22:12] <Lunar_Lander> yeah
[22:12] <Lunar_Lander> Chaos 2 was a simple but effective design
[22:13] <SpeedEvil> Especially if you count time.
[22:14] <Lunar_Lander> yeah
[22:14] <Lunar_Lander> the thing with Razer having all the holes was the weight limit
[22:14] <Lunar_Lander> I think it was 83 kg in the first years
[22:14] <Lunar_Lander> they raised it to 100 only later
[22:14] <fsphil> made it look better
[22:14] <Lunar_Lander> yeah
[22:14] <fsphil> I had an idea for a bot but.. well I'm rubbish at building robots
[22:15] <Lunar_Lander> I think all kinds of axes are not so good
[22:15] <jcoxon> night all
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[22:15] <Lunar_Lander> you need to aim very good
[22:15] <hibby> Razor had a few hydraulic issues to
[22:15] <Lunar_Lander> yeah
[22:15] <Lunar_Lander> In series 3, it was stuck in self-righting mode
[22:15] <Lunar_Lander> and the rear of the beak raised the wheels of the floor
[22:15] <fsphil> remember that
[22:16] <hibby> the forces translated were pretty huge and sometimes the system would shit itself and the reinforced metal pipes would fly off at high speed.
[22:16] <Lunar_Lander> yeah
[22:16] <Lunar_Lander> there were two German and two Dutch series I think
[22:16] <hibby> went to see it live
[22:16] <Lunar_Lander> the first had one fight Germany v. UK
[22:16] <fsphil> you lucky persons hibby
[22:16] <Lunar_Lander> and the second one a whole series GER v. UK
[22:17] <Lunar_Lander> the first one was Hypno-Disc vs. a german bot which I have forgotten
[22:17] <Lunar_Lander> but this was made from a shopping cart
[22:17] <fsphil> I did always cringe a bit when Craig Charles did his little rhyme at the end though
[22:17] <Lunar_Lander> which actually caused HD to fail
[22:17] <Lunar_Lander> I think the disc motor stopped after a few strikes
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[22:18] <Lunar_Lander> and next year, there was Fluffy vs. "Das Gepaeck" in the final
[22:18] <fsphil> They seemed to re-dub the sound though, never understood that
[22:19] <Lunar_Lander> and the latter team added a little square tube to the height of fluffy's blade
[22:19] <Lunar_Lander> and that also caused the blade motor to fail
[22:19] <Lunar_Lander> it went to the judges and Das Gepaeck won
[22:19] <Lunar_Lander> (which was a Dutch robot fighting for Germany btw xD)
[22:19] <fsphil> high altitude robot wars
[22:19] <fsphil> two balloons, which have to target the other :)
[22:19] <Lunar_Lander> xD
[22:19] <Lunar_Lander> btw
[22:20] <Lunar_Lander> the German and Dutch series were like the first UK series
[22:20] <Lunar_Lander> that was between UK Series 5 and 6 I think
[22:20] <fsphil> presented by Clarkson?
[22:20] <Lunar_Lander> you could see that robot building was not reall advanced on the continent
[22:20] <Lunar_Lander> no no xD
[22:20] <fsphil> that first series was pretty bad :)
[22:20] <Lunar_Lander> whoa Clarkson always bashed the roboteers
[22:20] <Lunar_Lander> xD
[22:21] <Lunar_Lander> yeah, that Gauntlet and Trial were still in right?
[22:21] <fsphil> yea, it was more robot vs. the course, than robot vs. robot
[22:21] <Lunar_Lander> yeah
[22:21] <Lunar_Lander> xD I think it had that box with industry drills coming out of it
[22:21] <Lunar_Lander> and they were just coming out
[22:21] <Lunar_Lander> not spinning
[22:21] <Lunar_Lander> xD
[22:22] <Lunar_Lander> I think a low ground clearance also was bad at that time
[22:22] <fsphil> Razor wouldn't have done well on the first series at all
[22:22] <Lunar_Lander> yeah
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[22:23] <fsphil> really tiny wheels
[22:23] <Lunar_Lander> yeah
[22:23] <Lunar_Lander> and the arena had some spikey ball swinging around which did nothing really
[22:24] <Lunar_Lander> and no pit
[22:24] <Lunar_Lander> and no flipper
[22:25] <fsphil> I liked the one that was just two wheels and a mace, Stinger
[22:25] <Lunar_Lander> yeah!
[22:25] <fsphil> lovely design - but I bet almost impossible to drive
[22:25] <Lunar_Lander> did you see the american original? "The Master"
[22:26] <Lunar_Lander> http://www.youtube.com/watch?v=4tKm82FQu34
[22:26] <fsphil> dont' remember that one
[22:26] <Lunar_Lander> but that saw shattered often
[22:26] <Lunar_Lander> wouldn't have been allowed in the UK
[22:26] <BrainDamage> I'd add a pressurized fuel tank, and wheel with nozzles on 2 sides
[22:27] <BrainDamage> spin the wheel, regulate stream output
[22:27] <BrainDamage> make wall of a fire
[22:27] <BrainDamage> -a
[22:27] <Lunar_Lander> fsphil and a middleweight one from the US was "Agamemnon"
[22:27] <Lunar_Lander> had a spike turret rotatable
[22:27] <BrainDamage> alternatively, iodine chemical laser, pulsed operation around 1MW
[22:27] <Lunar_Lander> and a cam with video glasses for the crew
[22:28] <Lunar_Lander> http://www.youtube.com/watch?v=7EAj8rsoQ9c
[22:28] <fsphil> lol, it's a petrol driven robot
[22:28] <Lunar_Lander> the master?
[22:28] <Lunar_Lander> no only the saw
[22:28] <fsphil> aah
[22:28] <Lunar_Lander> in the spheres it has batts
[22:28] <Lunar_Lander> actually something over 100 volts
[22:28] <Lunar_Lander> he got a special permit for that
[22:29] <Lunar_Lander> that's agamemnon: http://www.teamdelta.com/ag/ag-main.htm
[22:29] <jonsowman> evening all
[22:29] <Lunar_Lander> hi jonsowman
[22:30] <Lunar_Lander> fsphil The Master later fought in BattleBots too
[22:31] <Lunar_Lander> xD the prizes at RW USA 1994
[22:31] <Lunar_Lander> "At the end of the day, the prizes were awarded to the winners. All competitors got a tee-shirt, poster, brass Robot Wars plaque and some random boxes of software (I won Sim City 2000 for a Mac)."
[22:33] <Lunar_Lander> fsphil http://www.unknownak.20m.com/photo3.html
[22:33] <Lunar_Lander> down there you see some of the alternate weapons
[22:33] <Lunar_Lander> the electric lifter
[22:33] <Lunar_Lander> and the lexan whip
[22:35] <Lunar_Lander> fsphil http://www.robotmarketplace.com/images/bbsf02/large/master_parts.jpg
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[22:55] <griffonbot> @cuspaceflight: Nova 19 / Weasel set a new UK altitude record today at 36.206km! #cusf [http://twitter.com/cuspaceflight/status/84031841778155520]
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[00:00] --- Fri Jun 24 2011