highaltitude.log.20100416

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[05:51] <natrium42> so, is project cirrus launching today?
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[07:36] <earthshine> morning
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[07:40] <jcoxon> morning all
[07:40] <earthshine> hi
[07:43] <jcoxon> was wondering if the projectcirrus gang we around
[07:43] <earthshine> pin: lazyleopard
[07:43] <earthshine> ping that is
[07:43] <jcoxon> okay well good luck with the flight!
[07:43] #highaltitude: mode change '+o jcoxon' by ChanServ!ChanServ@services.
[07:44] Topic changed on #highaltitude by jcoxon!jcoxon@92.40.190.16.sub.mbb.three.co.uk: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk, wiki.ukhas.org.uk, ProjectCirrus Launch today at 10:00am (?BST) http://projectcirrus.wordpress.com/ , follow on http://spacenear.us/tracker
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[07:49] <LazyLeopard> hiya
[07:51] <earthshine> Hi Rick
[07:51] <earthshine> I see you have your callsign
[07:52] <LazyLeopard> Yep. Got it last month. Waiting for the next course, now...
[07:52] <earthshine> Great
[08:17] <LazyLeopard> Incidentally, Alan (with no hair) is also an amateur...
[08:20] <LazyLeopard> Hmmm... ProjectCirrus is going to be a challenge to monitor from here...
[08:21] <earthshine> The guy who always leaves early ?
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[08:21] <earthshine> I just realised - for the last 2 days you could have launched a HAB from anywhere in the UK and would not have needed a NOTAM
[08:22] <LazyLeopard> Yeah. and Yeah. ;)
[08:22] <LazyLeopard> Well, flights have been leaving Biggin Hill heading south. Or they were yesterday...
[08:23] <earthshine> oh really?
[08:23] <earthshine> i can't say i've noticed anything - but then i've not really been looking
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[08:25] <fsphil> early mornings .. who invented those? bah :-)
[08:25] <LazyLeopard> Apparently some folks have been cashing in on the business travel market. Been very quiet in the air this morning though.
[08:26] <LazyLeopard> Northern Ireland is a good 550km from here...
[08:26] <LazyLeopard> What's the best range that's been managed so far? ;)
[08:27] <fsphil> haha
[08:27] <fsphil> tracking range? about 300km I think
[08:27] <LazyLeopard> I'd heard talk of over 400, but I suspect you'll be too far away from us...
[08:28] <fsphil> depends on how high it gets I suppose
[08:28] <GW8RAK> It's between 200 and 300km from here, but won't be able to track until 1230. Couldn't get the audio streamed down to work.
[08:29] <fsphil> ah
[08:29] <fsphil> no worries
[08:29] <LazyLeopard> Still go for 10am?
[08:30] <fsphil> yep, they're constructing stuff atm -- I'm in the car doing some early morning hacking for the image stuff
[08:30] <fsphil> the plan is to be ready for 9:30, gives time to check everything over
[08:31] Action: LazyLeopard has the new (v101) fldigi installed on an Ubuntu laptop now. ;)
[08:31] <fsphil> the new hab interface is pretty neat
[08:31] <LazyLeopard> Much thanks due to DR
[08:32] <fsphil> any major troubles in ubuntu land?
[08:32] <LazyLeopard> ...who saved me from the "how the hell do you install stuff on this system" learning curve.
[08:33] <fsphil> at some point it'll all be packaged up, just a few steps to install
[08:33] <LazyLeopard> Not once all the necessary bits were installed, I don't think. The radio CAT lead even allows fldigi to report and change the tuner's settings.
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[08:34] <LazyLeopard> Meh. Packages are for wimps! ;P ;)
[08:34] <fsphil> ./configure ftw :-)
[08:35] <fsphil> have to say, they picked a nice spot to launch
[08:35] Action: LazyLeopard uses Gentoo most of the time. Build everything from source. May put Gentoo on the laptop at some point, but it came with Ubuntu up and running... ;)
[08:35] <LazyLeopard> fsphil: Where is it?
[08:35] <fsphil> I'm a fedora fan myself, on my little eeepc right now
[08:36] <fsphil> umm.. place called craggan
[08:36] <fsphil> aka middle of nowhere
[08:36] <fsphil> I don't want to risk google maps on this mobile connection
[08:37] <fsphil> but you'll see it appear on the tracker soon
[08:37] <fsphil> hopefully
[08:37] <fsphil> :)
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[08:42] <fsphil> connection's a bit dodgy
[08:43] <earthshine> where is the predicted landing spot ?
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[08:47] <fsphil> somewhere ending in *blayney, there's a big dot over the name on my map
[08:47] <fsphil> that was the last prediction, will run another one shortly
[08:47] <earthshine> I don't see any dots
[08:47] <fsphil> printed map I have here
[08:48] <earthshine> no won der i can't see it then
[08:48] <grumbel_> hehe
[08:50] <fsphil> I'm risking google maps, but it's a bit slow. I'll get the name eventually
[08:50] <fsphil> but it might have changed since then anyway
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[08:56] <fsphil> Castleblayney
[08:56] <fsphil> it's just over the border
[09:12] <fsphil> anyone here access to the tracker?
[09:13] <grumbel_> fsphil: you mean http://spacenear.us/tracker/? Nothing on it yet
[09:13] <fsphil> yep
[09:13] <fsphil> just uploaded a test image but I don't see it for some reason
[09:13] <earthshine> yep nothing on it yet
[09:13] <fsphil> unless it needs telemetry before it shows images
[09:14] <earthshine> i think it does
[09:14] <earthshine> did you not run tests ?
[09:14] <fsphil> the payload won't be switched on for a few minutes yet
[09:14] <fsphil> for tracking yea, the image are just an extra and a bit last minute :)
[09:14] <earthshine> ok
[09:14] <fsphil> I'll assume it's working for now
[09:16] <fsphil> I'll upload them to a second site just in case
[09:27] <junderwood> Does anyone know how to select a single payload from http://www.robertharrison.org/tracker/map.php
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[09:43] <fsphil> moving cars ...
[09:43] <rharrison> fsphil, launch on?
[09:44] <rharrison> fsphil, do you have a mobile number I can give you a quick call on? PM
[09:44] <fsphil> is indeed, 15 minutes hopefully
[09:44] <rharrison> cool
[09:45] <fsphil> balloon is mostly inflated
[09:49] <fsphil> air's starting to warm up now too, was a frosty morning here
[09:51] <earthshine> getting cloudy here
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[09:55] <earthshine> still nothing on the tracker - is that correct ?
[09:56] <fsphil> yep
[09:56] <fsphil> payload just switched on
[09:56] <fsphil> waiting on lock
[09:56] <earthshine> ok
[09:56] <earthshine> Robert's tracker page has got lines all over it
[09:56] <junderwood> rharrison, how do you select a single payload from http://www.robertharrison.org/tracker/
[09:57] <earthshine> just clock it on the right
[09:57] <earthshine> click
[09:57] <junderwood> still shows the rest - just focusses on one
[09:57] <earthshine> it needs refreshing though - it's full of ancient data
[09:58] <junderwood> indeed
[09:58] <fsphil> some real data just uploaded
[09:58] <fsphil> ack
[09:58] <junderwood> http://spacenear.us/tracker/ looks much cleaner
[09:58] <fsphil> no it wasn't
[09:58] <fsphil> online mode, duh
[09:58] <earthshine> i like Robert's though as it also shows the listening posts
[10:00] <junderwood> agreed
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[10:01] <rharrison> Just cleaned out the data
[10:01] <rharrison> http://www.robertharrison.org/tracker/map.php?height=1050
[10:02] <grumbel_> ah, the tracker got data
[10:03] <rharrison> OK i think it all looks goof for launch today
[10:03] <rharrison> good :)
[10:05] <fsphil> any images?
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[10:07] <rharrison> not yet :(
[10:07] Nick change: jonsowman_away -> jonsowman
[10:08] <jonsowman> morning all
[10:08] <earthshine> thanks Rob
[10:09] <earthshine> is there any way to reduce the height of the map window ?
[10:09] <earthshine> My screen res is 2560 x 1440 and it's still too big
[10:10] <jonsowman> http://www.robertharrison.org/tracker/map.php?height=1440
[10:11] <jonsowman> adjust querystring value to suit
[10:11] <earthshine> ahh ok didn't spot that
[10:11] <earthshine> thx
[10:12] <earthshine> There is someone listenin g in N. Wales - he should pick it up OK
[10:12] <earthshine> if he's active today
[10:13] <fsphil> he was on earlier, says he can
[10:13] <fsphil> can't track until 1230
[10:13] <fsphil> rharrison, the server's saying the image are uploaded successfully
[10:13] <fsphil> last one tmp -> /tmp/phpQ5Ahpw
[10:15] <earthshine> hadie ?
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[10:17] <rharrison> fsphil, will investigate
[10:17] <fsphil> hadie is my module
[10:17] <fsphil> cirrus is the other, but we're not receiving that yet
[10:18] <earthshine> oh of course - two tx
[10:18] <fsphil> oh, the cirrus xml is setup for 300 baud, should be 50
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[10:23] <fsphil> it's away!
[10:24] <earthshine> Woohoo!!
[10:25] <rharrison> http://spacenear.us/tracker/pics/
[10:25] <rharrison> See the hadi ones
[10:25] <earthshine> they are dated march
[10:26] <rharrison> humm
[10:26] <rharrison> I think they are correct though
[10:26] <fsphil> signal still being received over tiny vertical antenna
[10:27] <SpeedEvil> how do I tell the tracker pagfe not to include the flash?
[10:27] <rharrison> No idea?
[10:27] <rharrison> fsphil, no update on the coordinates lat long!
[10:28] <rharrison> ahh there now :)
[10:29] <fsphil> it only tx's position between images
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[10:29] <SpeedEvil> http://spacenear.us/tracker/pics/hadie-1271410135.jpeg triforce!
[10:30] <fsphil> next image is blank, lost first packet
[10:31] <rharrison> fsphil, looking good sofar
[10:31] <rharrison> I see there is a break whilst picture data is sent :)
[10:31] <SpeedEvil> yep
[10:32] <fsphil> cirrus module sends data continously, but just setting up that radio now
[10:33] <M0DTS> Where do i find latest dl-fldigi binary.. only found source so far..
[10:34] <earthshine> ascent rate is increasing
[10:36] <fsphil> switching to yagi in a sec
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[10:38] <fsphil> 6.2km
[10:39] <earthshine> is that cloud or is something up ?
[10:40] <fsphil> grey images == no data
[10:41] <fsphil> ooh good images coming up now
[10:42] <russss> how is it sending the images?
[10:42] <rharrison> Is cirrus going to make a show shortly?
[10:43] <rharrison> http://spacenear.us/tracker/pics/hadie-1271410936.jpeg
[10:43] <rharrison> Cool pic
[10:43] <fsphil> not sure, I don't think jonny's got a working net connection
[10:43] <earthshine> nice one
[10:44] <earthshine> well done guys on the software 0 works great
[10:44] <fsphil> signal's fading a bit at times
[10:45] <fsphil> lost the next image too
[10:45] <fsphil> sound like the payload is swinging about a bit
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[10:46] <SpeedEvil> Does it stop sending on the way down?
[10:46] <SpeedEvil> the intervals could be rather large if the gps stops working on the ground
[10:46] <SpeedEvil> s/gps/transmitter/
[10:47] <fsphil> keeps sending until it runs outta power :)
[10:47] <fsphil> but the cirrus module sends continous gps
[10:48] <fsphil> not sure they're gonna get that uploading to the tracker though
[10:48] <GW8RAK> Is the green circle on the tracker map the radio horizon?
[10:48] <SpeedEvil> yes
[10:48] <SpeedEvil> assuming - possibly invalid - stuff
[10:49] <GW8RAK> Thanks
[10:49] <SpeedEvil> well - certainly invalid
[10:49] <SpeedEvil> it assumes a spherical earth at sea level
[10:49] <SpeedEvil> but geting it right is hard
[10:49] <GW8RAK> It's close enough.
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[10:50] <M0DTS> receiving ballon here nr Middlesbrough now.... what mode/baud is image data?
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[10:50] <SpeedEvil> you need a patched dl-fldigi
[10:50] <fsphil> which frequency?
[10:51] <rharrison> <shift>350</shift>
[10:51] <rharrison> <coding>ascii-8</coding>
[10:51] <rharrison> <baud>300</baud>
[10:51] <rharrison> <parity>none</parity>
[10:51] <rharrison> <stop>1.5</stop>
[10:51] <SpeedEvil> and also 433MHz - SSB
[10:51] <M0DTS> ok
[10:51] <rharrison> This is hadi
[10:51] <rharrison> e
[10:51] <fsphil> you'll get image data mostly, so don't expect readable text at first
[10:52] <SpeedEvil> http://spacenear.us/tracker/pics/hadie-1271411471.jpeg - looked interesting
[10:52] <fsphil> yea, looks like we're sideways :)
[10:52] <M0DTS> Thanks info
[10:52] <fsphil> the signal is coming and going, still in very choppy air
[10:52] <fsphil> so you're hearing a good signal? fantastic
[10:53] <SpeedEvil> If one block fails, does it ever attempt to resync?
[10:53] <fsphil> unfornatualy not
[10:54] <rharrison> M0DTS, Can you log the cirus data if you're going to send the data back to the tracker
[10:54] <rharrison> This way we can capture both data
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[10:55] <fsphil> good idea
[10:55] <M0DTS> ok, just looking where to put log on...hi
[10:55] <fsphil> its 50 baud
[10:55] <rharrison> assumeing you can decode cirrus
[10:55] <rharrison> M0DTS, looks like you are logging ok
[10:55] <fsphil> and backwards, use ldb
[10:55] <fsphil> lsb even
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[10:56] <Futurity> Morning
[10:56] <Futurity> does anyone have a url for the ProjectCirrus tracker?
[10:57] <rharrison> http://spacenear.us/tracker/view
[10:57] <Upu> http://spacenear.us/tracker/
[10:57] <Futurity> thanks
[10:57] <Upu> :)
[10:57] <rharrison> http://spacenear.us/tracker
[10:57] <M0DTS> Peaking S9 on radio meter but big fading!
[10:57] <earthshine> spinning?
[10:57] <Upu> only thing flying today
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[10:58] <Laurenceb> hi all
[10:58] <SpeedEvil> hi
[10:58] <SpeedEvil> l
[10:59] <rharrison> Upu, lol yep
[10:59] <Laurenceb> SpeedEvil: http://www.sparkfun.com/commerce/product_info.php?products_id=9694 <- could the top of that be tin plated brass perhaps?
[11:00] <SpeedEvil> stainless seems more probable for some reason
[11:00] <Laurenceb> it seems to be more brass colored underneath
[11:00] <fsphil> next image good, but only half
[11:00] <fsphil> fading here too
[11:01] <davet> I can RX RTTY here in Warrington on 434.650. Trying 50 baud 5 bit 350 shift. How do I set narrower shift in FL Digi?
[11:02] <SpeedEvil> 8 bit
[11:02] Nick change: jonsowman -> jonsowman_away
[11:02] <SpeedEvil> see rharrisons earlier paste - shift 350, ascii-8, 300 baud, n 1.5
[11:03] <fsphil> fading badly now
[11:04] <M0DTS> havent a clue if i'm decoding data or not in fldigi.. is there a different flight xml to use?
[11:04] <Laurenceb> ooh first balloon in NI ?
[11:05] <fsphil> I believe it is :)
[11:07] <davet> What are the setting for 434.650 - Is this the flight data or images?
[11:08] <fsphil> data
[11:09] <fsphil> 50 baud, LSB, whatever shift works, no parity, 2 stop bits
[11:09] <SpeedEvil> oh
[11:09] <Graham_G3VZV> just a trace of the 434.651.5MHz signal in Milton Keyens but too weak to decode i think
[11:13] <fsphil> that's rocketing up
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[11:14] <earthshine> shame the images are broken up
[11:15] <earthshine> still... it's all experimental
[11:16] <earthshine> halfway there now
[11:16] <rharrison> BTW I will be launching tomorrow
[11:16] <earthshine> Nice
[11:16] <rharrison> Cambridge
[11:16] <earthshine> No need fror NOTAm's with no planes in the air ;)
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[11:17] <rharrison> Well unfortunatly you do still need them
[11:17] <EI5GTB> ohai
[11:17] <EI5GTB> any cirrus folks in?
[11:17] <rharrison> In the air
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[11:17] <fsphil> bah, batteries
[11:17] <earthshine> 20km up
[11:17] <rharrison> EI5GTB, can you get on 434.650 and pull the cirus data
[11:17] <EI5GTB> gimme a sec
[11:18] <rharrison> 50 baud 8N
[11:18] <fsphil> remember the cirrus data is backwards, need to receive in lsb not usb
[11:19] <fsphil> frequency of hadie is sliding about a bit
[11:19] <EI5GTB> shit... its ssb\
[11:20] <EI5GTB> erm... right... i have a downconverter here somewhere
[11:20] <EI5GTB> dont have an all mode vhf
[11:20] <Graham_G3VZV> the 300 baud signal is roughly the same strength as the 50bd one here
[11:21] <rharrison> I'm going to have to nip out for an hour
[11:21] <rharrison> Chat in a bit
[11:23] <fsphil> got about a quarter of an image coming up, black sky
[11:25] <Graham_G3VZV> can someone rmeindme where to insert cirrus rather than orion?
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[11:28] <fsphil> next image only quarter, but amazing!
[11:32] <EI5GTB> lol... ffs.. can't find my downconverter
[11:32] <EI5GTB> no-one told me is was gonna be ssb
[11:32] <EI5GTB> any rf/am tx on that box?
[11:32] <EI5GTB> s/rf/fm
[11:32] <M0DTS> Too much qsb to get enough data from cirus i think... does fldigi automatically extract images?
[11:32] <fsphil> only the latest version from git
[11:33] <DanielRichman> fsphil, how is the flight going?
[11:33] <fsphil> really well so far
[11:33] <M0DTS> ok havent got ability to bild from source.. easy?
[11:33] <DanielRichman> both payloads working?
[11:33] <DanielRichman> M0DTS, operating system?
[11:33] <fsphil> both payloads working perfectly
[11:33] <M0DTS> win xp
[11:33] <DanielRichman> don't bother.
[11:34] <fsphil> but images are mostly incomplete
[11:34] <DanielRichman> We'll have a windows build released soon, but at the moment it doesn't work
[11:34] <DanielRichman> aww unlucky
[11:34] <M0DTS> have ubuntu 9.1 on laptop but not an expert with it yet!
[11:34] <DanielRichman> All right! ubuntu! let's go!
[11:34] <DanielRichman> fire it up!
[11:34] <DanielRichman> and join #highaltitude99, M0DTS
[11:34] <M0DTS> ok..
[11:35] <fsphil> but the fragments of images we are getting are fantastic
[11:35] <fsphil> M0DTS, you decoded a line?
[11:36] <EI5GTB> haha, after all the feckin IAA shit.. and there are no planes in the air
[11:36] <russss> heh
[11:36] <M0DTS> got a few lat/long but not lots..
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[11:37] <fsphil> sweet
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[11:37] <fsphil> that's fantastic range
[11:37] <fsphil> t 300 baud
[11:39] <grumbel_> the tracker on robertharrison.org shows a rate of 0.2 m/s
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[11:39] <M0DTS> yes, was peaking S9 b ut more like S3 with fading at present.
[11:41] <fsphil> fading is pretty annoying, whats killing the images
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[11:42] <Graham_G3VZV> it is getting stronger still here in Milton keyens - about S4 but not enough to decode anything...bring on some forward error correction!
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[11:43] <edmoore> Just popping in to see how cirrus is going
[11:43] <edmoore> Did the coat it in sticky tape to sample volcanic ash?
[11:44] <fsphil> ack, didn't think of that
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[11:46] <fsphil> flight is going well though, everything seems to be working more or less
[11:46] <fsphil> signal's a bit too choppy to get complete images
[11:46] <edmoore> What's the baud rate?
[11:47] <fsphil> 300 on my module, 50 on the cirrus one
[11:49] <edmoore> Need some better modem decoding. Project for a rainy day. Right, better get back to revision
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[11:51] <fsphil> payload sounds like it's spinning quickly
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[11:51] <M0DTS> very fast fading now ~5 times/sec
[11:51] <fsphil> i think it's falling
[11:53] <fsphil> it is
[11:54] <fsphil> switching to cirrus module
[11:55] <fsphil> packing up, signal may be interrupted
[11:59] <fsphil> on the road
[11:59] <M0DTS> too much freq drift to decode on .075 now (.065)
[12:00] <fsphil> alt 16.7km
[12:03] <fsphil> it's coming down fast
[12:03] <fsphil> too fast
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[12:04] <Graham_G3VZV> lost the signal now:(
[12:04] <edmoore> who's the station in middlesborough?
[12:04] <fsphil> still getting a choppy signal here in the ar
[12:04] <fsphil> car
[12:04] <fsphil> with the little rubber duck that comes with the ft817
[12:05] <edmoore> you need to get yourself a mantenna
[12:05] <fsphil> arg! traffic
[12:05] <fsphil> other car is closer
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[12:06] <M0DTS> Rob, M0DTS nr middlesbrough
[12:07] <fsphil> 9.2 km
[12:07] <edmoore> Oh hi Rob
[12:07] <M0DTS> signal gone now.
[12:07] <edmoore> good work!
[12:07] <M0DTS> a pre-amp and two long yagi's helps
[12:07] <M0DTS> !
[12:08] <fsphil> using a laptop in a car ain't easy :)
[12:12] <edmoore> quite an odd descent curve for cirrus
[12:12] <fsphil> yea
[12:12] <fsphil> i've lost the signal
[12:13] <edmoore> what's the predicted burst on hadie?
[12:14] <fsphil> 31 km I think
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[12:21] <fsphil> no word from the other car yet
[12:22] <fsphil> it's definitly on the ground by now
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[12:27] <Futurity> Graham: I take it you are using a Yagi?
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[12:39] <fsphil> about 15 minutes away from where I think it landed
[12:41] <fsphil> weather has been amazingly kind to us today
[12:41] <SpeedEvil> :)
[12:41] <SpeedEvil> Good luck!
[12:42] <fsphil> thanks
[12:42] <fsphil> just hoping it slowed down a bit before it landed
[12:42] <fsphil> it came down pretty quick
[12:42] <fsphil> and my module was on the bottom :)
[12:45] <Graham_G3VZV> futurity - yes a 9x9 crossed yagi RHCP from WIMO..the masthead preamp and a few degrees of elevation also helped:)
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[12:48] <Futurity> Cool
[12:48] <fsphil> surprising the range of these things, even at 300 baud
[12:48] <Futurity> i'll check it out
[12:49] <Futurity> i may well get one similar
[12:49] <Futurity> on a whip right now
[12:49] <junderwood> earthshine, ping
[12:54] Nick change: jonsowman_away -> jonsowman
[12:57] <rharrison> back
[12:57] <fsphil> wb
[12:57] <rharrison> thanks
[12:58] <rharrison> How it's it going any sign of life?
[12:58] <fsphil> we're still a bit away from the landing area
[12:58] <fsphil> no word from the other car so I assume they haven't found it yet
[12:59] <fsphil> we lost the signal about 4km up
[13:00] <rharrison> humm
[13:00] <rharrison> How many power supplies?
[13:00] <Graham_G3VZV> any details for tomorrows cambridge lfight..times etc ..I have to go out but I maybe able to setup the gear to operate autonomously
[13:00] <fsphil> one powers the two module
[13:00] <fsphil> camera and pda are separate
[13:01] <fsphil> I was using a pretty small antenna though
[13:02] <fsphil> in the car
[13:03] <rharrison> Hum thinking early morning atm
[13:03] <rharrison> launch at say 8am
[13:04] <rharrison> landing 11:30 am
[13:04] <rharrison> or alternativly launch at 5am and land 8 am
[13:04] <Upu> going down south ?
[13:04] <rharrison> Yep
[13:04] <Upu> early start then :)
[13:04] <rharrison> Fancy coming along?
[13:05] <rharrison> Yep
[13:05] <Upu> would love to sadly I have to cover work tommorrow
[13:05] <fsphil> lower sun might give you beter views
[13:05] <rharrison> Though with the air corridors down it's tempting to shove it up from home
[13:05] <rharrison> fsphil, yep posibly
[13:06] <rharrison> I think if there is any ash to see that would be the time to catch it
[13:06] <rharrison> I have my fingers crossed that you will find your camera
[13:06] <Upu> going for the record again ?
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[13:07] <Upu> actually what is the record ?
[13:09] <fsphil> If I'm up early enough I'll give the yagi a go again
[13:10] <Upu> can see I'm going to have to get myself a radio
[13:11] <fsphil> radios are cool ;-)
[13:11] <fsphil> my ping time is 197 seconds, lovely
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[13:24] <LazyLeopard> Not quite up to RFC 1149 ;)
[13:24] <LazyLeopard> How'd the flight go, fsphil ?
[13:26] <fsphil> very well
[13:26] <fsphil> we're not too far from the landing spot now
[13:26] <fsphil> but it seems to have gone perfectly
[13:26] <LazyLeopard> Good.
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[13:36] <rharrison> fsphil, any sound in the either?
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[13:45] <rharrison> fsphil, any sound in the either?
[13:45] <fsphil> yes
[13:45] <fsphil> just now
[13:46] <fsphil> very weak
[13:47] <rharrison> Brilliant
[13:48] <rharrison> You'll be bringing it home htem
[13:48] <rharrison> then
[13:49] <rharrison> You'll have to cut and paste the final string
[13:49] <rharrison> I'll upload to the tracker if you like
[13:49] <fsphil> not enoug to decode yet
[13:50] <rharrison> np do you have a yagi?
[13:50] <fsphil> yea, will try tht shortly
[13:50] <rharrison> Makes a huge difference over the wip
[13:50] <rharrison> whip
[13:51] <rharrison> plus you'll get the general direction you should head in
[13:52] <fsphil> giving it a go now
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[13:58] <rharrison> The goodnews if the signal is weak it should be on the ground and not in a tree
[13:58] <fsphil> the other car decoded a string
[13:58] <rharrison> cool
[13:58] <fsphil> we have coordinate
[13:59] <rharrison> Time to get the sat nav out
[13:59] <fsphil> already done :)
[13:59] <rharrison> eta?
[14:00] <fsphil> 5 mins
[14:00] <rharrison> Do you have a driver or are you doing nav and driving?
[14:02] <fsphil> have driver, i'm sitting with laptop and radio
[14:02] <rharrison> Cool
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[14:07] <rharrison> How are we going
[14:07] <rharrison> do we have a string yet?
[14:08] <fsphil> ooo cloe
[14:09] <rharrison> Looking forward to seeing the pics
[14:09] <rharrison> I'm sure you are too
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[14:11] <fsphil> got it!
[14:12] <fsphil> brb
[14:14] <GW8RAK> Excellent news
[14:19] <juxta> hi all
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[14:20] <sbasuita> congrats fsphil
[14:20] <edmoore> dound?
[14:20] <edmoore> found*
[14:20] <rharrison> fsphil, Cool in a field too by the look of it
[14:20] <sbasuita> edmoore, yeah about 10 mins ago
[14:20] <edmoore> cool
[14:20] <juxta> ahhh
[14:20] <juxta> I just missed it :(
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[14:21] <juxta> were there 2 balloons?
[14:21] <russss> one balloon, 2 payloads
[14:22] <juxta> oh right - GPS issue causing them to not line up?
[14:22] <edmoore> time difference i think
[14:22] <juxta> ah right
[14:23] <edmoore> is anyone launching anything tomorrow?
[14:23] <edmoore> i have lost track
[14:23] <sbasuita> edmoore, rharrison might be
[14:24] <edmoore> where from?
[14:24] [1]Jamz (~Jamz@archwall.archant.co.uk) joined #highaltitude.
[14:24] <rharrison> Yep me
[14:24] <rharrison> Camb
[14:24] <rharrison> ears
[14:24] <rharrison> any hands in camb
[14:24] <edmoore> got notam? I had trouble getting through just now
[14:24] <rharrison> Steve R is sorting
[14:25] <rharrison> I think the ATC's are all at home :)
[14:25] <edmoore> lol
[14:25] <rharrison> have you seen the virtual radar today?
[14:25] <edmoore> quiet?
[14:26] <rharrison> http://www.radarvirtuel.com/
[14:26] <edmoore> the aricebo radio dish is trying to do some EME today
[14:26] <rharrison> hehe they put the ash cloud on
[14:26] <russss> ah heh
[14:26] <edmoore> should be able to hear it on 432 with a yagi pointing at the moon
[14:26] <russss> there were even less planes earlier
[14:26] <rharrison> Yes to here in yorkshire
[14:26] <russss> but I think some of their receivers had died
[14:26] <GW8RAK> Working out in the garden this afternoon it is strange to see the sky clear of contrails. We get a lot of transatlantic flights over here and for Liverpool and Manchester.
[14:27] <GW8RAK> It should be quieter, but we had a SAR helicopter over us for 30 minutes
[14:28] <fsphil> payload recovered, got sd cardh ere now
[14:28] <fsphil> my module won't fly again :) it was the crumple zone :)
[14:28] <grumbel_> gratulations!
[14:30] <juxta> well done fsphil
[14:30] <juxta> how did the picture downlink go?
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[14:32] Possible future nick collision: Jamz
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[15:01] <juxta> hurrah we just had an earthquake here
[15:02] <russss> do you get many earthquakes?
[15:03] <sbasuita> haha twitter is funny
[15:03] <sbasuita> sdothot: Was that an earthquake, or have I had to much #wine???
[15:03] <sbasuita> ghislainmc: Was that just an earthquake I felt in Adelaide? Weird
[15:03] <Randomskk> but did you get the twitter messages before the earthquakes
[15:03] <Randomskk> http://xkcd.com/723/ oblig
[15:04] <juxta> I've never felt one before
[15:04] <Randomskk> I got two in japan, it was great
[15:04] <sbasuita> i've slept through some apparently
[15:04] <sbasuita> in california
[15:05] <edmoore> we had an earthquake in cambridge not so long ago. followed by someone crashing around in their bed in the room above me because he wanted to check it wasn't him stirring that had caused the shaking seconds earlier
[15:05] <Randomskk> was he studying probability? :P
[15:06] <edmoore> no
[15:06] <SpeedEvil> alcohol?
[15:06] <edmoore> it was at about 3am
[15:12] <rharrison> The pics from during the launch are here http://spacenear.us/tracker/pics/
[15:13] <rharrison> of note http://spacenear.us/tracker/pics/hadie-1271413890.jpeg
[15:13] <edmoore> very promising
[15:14] <rharrison> edmoore, anything going on in camb re launches other than me tomorrow?
[15:14] <edmoore> nothing from us. everyone's too busy for hab atm
[15:14] <rharrison> I'm hoping to do an early launch
[15:15] <edmoore> cool
[15:15] <edmoore> suspect there might be loads and loads of 70cm tomorrow with this EME thing
[15:15] <edmoore> everyone trying their luck
[15:15] <edmoore> but that's from 5ish
[15:15] <rharrison> freq?
[15:15] <rharrison> ahh 432
[15:15] <juxta> I just thought someone had an impressive sound system at first
[15:15] <edmoore> 432
[15:15] <edmoore> but 100s of watts
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[15:15] <DanielRichman> rharrison, were the in flight pics automatically uploaded?
[15:15] <rharrison> That's ok
[15:15] <juxta> then I noticed stuff on my desk sliding a bit
[15:15] <rharrison> DanielRichman, yep
[15:16] <DanielRichman> ooo
[15:16] <rharrison> just not dealt with by natrium's end
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[15:16] <Lunar_Lander> hello folks
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[15:16] <juxta> did the inflight downlink work well rharrison?
[15:16] <rharrison> hi Lunar_Lander
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[15:16] <Lunar_Lander> how's life?
[15:17] <Lunar_Lander> I am in touch with the Biophysics professor
[15:18] <edmoore> Lunar_Lander: there has just been a launch
[15:18] <Lunar_Lander> the ProjectCirrus one?
[15:18] <edmoore> hence most of the activity on here currently is related to that. attempted digital photo downlinks
[15:19] <Lunar_Lander> ah ok
[15:19] <Lunar_Lander> sorry
[15:19] <Lunar_Lander> just wanted to tell that I am at a potential helium source
[15:20] <SpeedEvil> the sun?
[15:20] <Lunar_Lander> I can see the track
[15:20] <edmoore> no no, was just telling you incase you were wondering :p
[15:20] <Lunar_Lander> no, the Biophysics group
[15:20] <Lunar_Lander> ah ok :P
[15:22] <edmoore> the moon has a decent elevation this evening too
[15:22] <edmoore> am going to pop to dept to get the icom and yagi in a bit in that case
[15:22] <Randomskk> edmoore: do you reckon 35W from the icom will have a chance of being heard though?
[15:22] <Lunar_Lander> the tracker has stopped
[15:22] <Randomskk> I'm tempted to listen but not sure it's worth trying to tx
[15:23] <edmoore> Randomskk: maybe with JT65 or whatever it's called
[15:23] <Randomskk> that digital mode? yea
[15:23] <edmoore> perhaps on CW if aricebo are listening to you
[15:23] <edmoore> and you have lucky
[15:23] <Randomskk> and if I knew cw well enough :P
[15:23] <Randomskk> oh well, software!
[15:23] <edmoore> cocoamodem
[15:23] <Lunar_Lander> I'll be back later :)
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[15:26] <Randomskk> I wonder if the cuws shack has kit
[15:30] <Futurity> edmoore: are you talking about the moon bounce test from Arecibo tomorrow? http://www.southgatearc.org/news/april2010/arecibo_432_moonbounce.htm
[15:30] <edmoore> yes
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[15:31] <edmoore> it's today too
[15:31] <Futurity> a friend from the local Cambridge Repeater Group will be trying to make contact from 6pm tomorrow
[15:31] <edmoore> gavin?
[15:31] <Futurity> yep Gavin ;)
[15:31] <Futurity> you a member too?
[15:32] <edmoore> no, but know him
[15:32] <edmoore> well, i don't think they actually have paid membership or anything
[15:32] <Futurity> Gavin used to live in Melbourn near me, although i've only recently met him
[15:32] <edmoore> but I am on the mailing list
[15:32] <Futurity> i think he's just moved to Trumpington now
[15:35] <edmoore> yeah
[15:36] <Futurity> btw, Gavin is kindly going to lend / sell me a 12 element Yagi
[15:36] <edmoore> very nice
[15:36] <edmoore> that's presumably quite a beast
[15:36] <Futurity> UHF type ;)
[15:36] <Futurity> it should be fairly good
[15:36] <edmoore> given i can't swing the 9-el across my boot
[15:36] <Futurity> i'm slowly tooling myself up with the necessary kit
[15:36] <Futurity> got a ft-790r now as well :)
[15:36] <edmoore> oh wow
[15:37] <edmoore> going to track rob's launch tomorrow?
[15:37] <Futurity> i take it the 12 element yagi will be more than good enough for tracking launches?
[15:37] <Futurity> oh is Rob launching
[15:37] <Futurity> cool
[15:37] <Futurity> i don't think i'll have Yagi until tomorrow evening :(
[15:37] <Futurity> but i do have a whip aerial that should be good from launch
[15:37] <edmoore> probably for the whole thing
[15:38] <Futurity> so the yagi will be good to track for almost the whole launch to landing?
[15:38] <edmoore> hrm, going to have to go up at a reasonable clip tomorrow rharrison
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[15:39] <Futurity> will tomorrow's launch be an early one 10am, or noon / afternoon?
[15:39] <edmoore> rob said early
[15:39] <edmoore> and the winds pick up in the afternoon
[15:39] <edmoore> http://www.srcf.ucam.org/~cuspaceflight/hourly-predictions/
[15:39] <Futurity> i have commitments tomorrow morning unfortunately, other wise i'd be keen to help out
[15:40] <edmoore> that flight scenario has quite a slow ascent rate, it should be noted
[15:40] <Futurity> hmm on my mac the lanch is just off of clacton in the sea
[15:41] <Futurity> Firefox
[15:41] <russss> the red dots are landing spots
[15:41] <russss> and the line is the progression as time goes on
[15:41] <edmoore> sorry yes
[15:41] <edmoore> that's the locus of landing points for a launch each hour, on the hour, for the next 120 hours
[15:42] <russss> well 11am seems like a good time ;)
[15:42] <edmoore> instructions in box on low right
[15:42] <russss> (left)
[15:42] <edmoore> lower left*
[15:42] <edmoore> sorry yes
[15:42] <Futurity> cool
[15:43] <edmoore> there must be some way to grab some volcanic ash
[15:43] <edmoore> those sticky pads for catching flies in greenhouses, maybe
[15:43] <Futurity> lol
[15:43] <Futurity> do you think i'd pick up anything on my whip aerial?
[15:43] <Randomskk> easily
[15:43] <Futurity> down in Melbourn
[15:43] <Futurity> just north of Royston along a10 to Cambridge
[15:44] <Randomskk> yea, once it got a little bit of altitude I reckon you would
[15:44] <Futurity> cool
[15:44] <Futurity> ok i best setup a laptop :)
[15:44] <Randomskk> I got BH4 when it was the other side of central london on my whip which is quite a bit further than you from ears
[15:44] <Randomskk> yagi would be better once it starts to drift further afield, if it does
[15:44] <edmoore> yeah you should get the entire flight
[15:44] <Randomskk> but yea
[15:44] <Randomskk> you should be okay
[15:45] <edmoore> if conditions are good
[15:45] <Futurity> can't now as at work, but will anyone be on here this evening to offer help if needed?
[15:45] <Randomskk> most likely
[15:45] <Futurity> cool, many thanks
[15:45] <Randomskk> heck, I've got balloons launched from chu on my icon without antennas plugged in at all
[15:45] <Randomskk> the antenna connector on the back of the radio was sufficient :P
[15:45] <Futurity> is there a ready made Windows app for this, or is it a case of compile it yourself?
[15:45] <Randomskk> it's also sufficient to get the local repeater and broadcast radio, hah
[15:45] <edmoore> i think for nova 7 or 8 (I forget, it was almost 2 years ago) people heard it loud and clear with a handheld on the coast in kent
[15:45] <Randomskk> Futurity: do you only have windows available?
[15:45] <edmoore> just with with rubber duck antenna
[15:46] <Futurity> i have a mac book pro, but its my wife's LOL
[15:46] <Randomskk> Futurity: there's a single windows app you can just download that works, but the current latest version is better but doesn't yet work on windows I believe
[15:46] <Randomskk> mbp would be better if you can use it :P
[15:46] <Randomskk> still the windows one works
[15:46] <Futurity> i see
[15:46] <Futurity> perhaps i could install linux onto a laptop if that helps?
[15:47] <Futurity> is there a link to the windows binary?
[15:47] <Randomskk> somewhere. i guess google code? hmm
[15:47] <Randomskk> someone will have it around
[15:47] <sbasuita> Futurity, i would recommend a linux livecd
[15:47] <Futurity> true
[15:47] <sbasuita> and then compile the latest
[15:47] <Futurity> and then run the software off of a usb pen?
[15:48] <Futurity> hmm my laptops are dvd / sd less
[15:48] <DanielRichman> you can compile the latest on ubuntu very quickly
[15:48] <Futurity> light weight ones
[15:48] <sbasuita> Futurity, yeah you can make a liveusb
[15:48] <Futurity> cool
[15:48] <edmoore> yeah but you guys advocating coding the magnifying glasses
[15:48] <rharrison_> Randomskk, can we bump the pred to 5ms up and 5ms down
[15:48] <Futurity> ok just thought, no 3g pen
[15:48] <rharrison_> ms^-1
[15:48] <edmoore> i'd just run the windows version and concentrate on making sure you underdtand the radio
[15:48] <Futurity> i'd have to be near wifi lol
[15:48] <Futurity> i suppose my garden would be fine ;)
[15:49] <DanielRichman> yeah the latest version doesn't have that many features
[15:49] <DanielRichman> it's just nicer
[15:49] <DanielRichman> oh and there's the HAB UI
[15:50] <edmoore> http://code.google.com/p/dl-fldigi/downloads/list
[15:50] <Randomskk> rharrison_: done, 5/5
[15:50] <rharrison_> thanks
[15:51] <edmoore> don't try pre-running the hourly script though
[15:51] <Randomskk> no
[15:51] <Randomskk> I just let cron do its thing
[15:51] <edmoore> let the cron do it at 4pm
[15:51] <Randomskk> that thing takes forever to execute
[15:51] <edmoore> it gets upset if you try and force it
[15:51] <Randomskk> yea
[15:51] <Randomskk> ugh, I really wanted to play with getting a new web interface to the new predictor up this holiday
[15:51] <Randomskk> sigh
[15:52] <Futurity> i take it the vista one is windows 7 compatible?
[15:52] <edmoore> oh god. my 10 mins revision break is coming up for 2 hours
[15:52] <Randomskk> love it when that happens
[15:52] <Randomskk> go! go revise! :P
[15:52] <edmoore> i've been pretty good this week at keeping 6am-6pm for revision. but this afternoon has been a bit of a fail. brain is a little frazzled
[15:53] <Randomskk> that's a lot of revision
[15:53] <edmoore> still, all I have left to revise for monday's exam is the bit of the course on kalman filters, and I know those
[15:55] <edmoore> incidently the wikipedia article on kalman filters is a lot better now. you can actually understand what a kalman filter is by reading it, which was not the case before.
[15:56] <edmoore> it suffered from the wikipedia tendency for mathematical things where you have to already know the maths to understand the article about it.
[16:02] <edmoore> a friend in the US just sent me this - some kind of next generation bowling ally (Big Al's) full of cool technology that he went to http://www.ilovebigals.com/
[16:02] <edmoore> and I have just noticed how unfortunate the URL is
[16:02] <sbasuita> ;P
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[16:05] <Randomskk> heh, wikipedia and maths
[16:05] <Randomskk> wow the kalman filters article is quite long though
[16:06] <Randomskk> excellent, it has the maths and also the sensical explanation
[16:09] <edmoore> it's not a simple thing though is it. there's a lot of logical stepping stones to build up to the kalman filter
[16:09] <Randomskk> yea, it's fair enough
[16:10] <edmoore> weiner filter + steepest descent optimising, least mean squares, recursive least mean squares, state space representation... then you can get there. but there's maybe 3 weeks worth of a lecture course to do all that
[16:12] <edmoore> to get around the congestion charge: http://i.imgur.com/RQcCi.jpg
[16:12] <DanielRichman> haha
[16:13] <juxta> heh.. http://xkcd.com/327/
[16:21] <rharrison_> Humm wonder when the pics will get here
[16:21] <juxta> rharrison_: are the downlinked pics up somewhere?
[16:22] <rharrison_> <rharrison> The pics from during the launch are here http://spacenear.us/tracker/pics/
[16:22] <rharrison_> <rharrison> of note http://spacenear.us/tracker/pics/hadie-1271413890.jpeg
[16:22] <rharrison_> ^^^ :-)
[16:26] <juxta> cheers Rob
[16:30] <earthshine> hi guys
[16:30] <earthshine> how did it go ?
[16:31] <juxta> I think well earthshine, but I missed it
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[16:35] <earthshine> difficult to say from the tracks
[16:36] <earthshine> according to them it is still in the air
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[16:36] <juxta> yeah it's def down & recovered from what I saw
[16:37] <earthshine> good
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[16:59] <Lunar_Lander> hello again
[16:59] <jcoxon> afternoon all
[16:59] <jcoxon> payload recovered?
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[17:07] <rharrison_> yep
[17:08] <rharrison_> <rharrison_> <rharrison> The pics from during the launch are here http://spacenear.us/tracker/pics/
[17:08] <rharrison_> <rharrison_> <rharrison> of note http://spacenear.us/tracker/pics/hadie-1271413890.jpeg
[17:08] <Lunar_Lander> well done Cirrus team!
[17:09] <jcoxon> ooo cool
[17:09] <jcoxon> rharrison_ rumour has it you are launching tomorrow
[17:14] <rharrison_> I am sir
[17:14] <rharrison_> Plan about 11am on the current data
[17:14] <rharrison_> I was hoping sooner
[17:14] <rharrison_> Trying to rope in a second driver from up here
[17:15] <jcoxon> hehe
[17:15] <jcoxon> i might listen in
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[17:25] <EI5GTB> rharrison: where abouts you be launching?
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[17:26] <rharrison_> camb
[17:27] <EI5GTB> oh, hmm, right
[17:27] <rharrison_> ears
[17:28] <EI5GTB> is your tx ssb?
[17:28] <rharrison_> Just been talking to fsphil
[17:29] <rharrison_> He's back at home and totally knackered
[17:29] <rharrison_> Will be uploading and disecting launch later tonight
[17:29] <rharrison_> EI5GTB, fraid so
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[17:33] <rharrison> right back to one login
[17:33] <Lunar_Lander> Barbados is the third most advanced country in the Americas
[17:33] <Lunar_Lander> that is amazing
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[17:45] <rharrison> home time
[17:45] <rharrison> Still not 100% sure on launch tomorrow
[17:45] <rharrison> Will decide later
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[17:52] <fsphil> home sweet home!
[17:57] <SpeedEvil> http://www.millhouse.nl/eyjafjallajokull06.html
[18:04] <Lunar_Lander> yay
[18:04] <Lunar_Lander> "You can't devide 9 cookies. Thus you get 3 and I get 6."
[18:05] <sbasuita> SpeedEvil, http://www.flickr.com/photos/ice-cold/4497761488/
[18:06] <earthshine> nice
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[18:31] <fsphil> hmpf, flickr doesn't like me today
[18:31] <Lunar_Lander> why's that?
[18:31] <fsphil> won't let me upload all the images
[18:31] <Lunar_Lander> oh
[18:31] <fsphil> need to be pro account, but won't let me sign up :)
[18:32] <Lunar_Lander> :(
[18:33] <Lunar_Lander> that is crappy
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[18:44] <fsphil> ah, uploading now
[18:44] <Lunar_Lander> yay
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[18:45] <fsphil> no images from the really high altitudes unfortunately, but still some really nice shots. the air was very hazy -- may or may not be related to the volcano
[18:46] <Graham_G3VZV> 100910
[18:46] <fsphil> the balloon stayed attached to the payload on the way down, pretty much stopped the parachute doing it's job. the landing was a bit harsh
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[19:13] <fsphil> http://www.flickr.com/photos/fsphil/sets/72157623870036944/
[19:14] <russss> I see no dust
[19:14] <fsphil> just hazy
[19:16] <russss> there were a couple of photos of the sunset last night which may or may not have been ash-influenced
[19:18] Nick change: jonsowman -> jonsowman_away
[19:19] Nick change: jonsowman_away -> jonsowman
[19:19] <fsphil> few more images and some video to upload, will do that shortly. dog needs walked first :)
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[19:32] <SpeedEvil> http://cgi.ebay.co.uk/SparkFun-Joystick-Shield-DEV-09490_W0QQitemZ130375603463QQcmdZViewItemQQptZLH_DefaultDomain_3?hash=item1e5afdd507
[19:32] <SpeedEvil> odd
[19:32] <SpeedEvil> wonder what they're up to
[19:33] <SpeedEvil> check other auctions
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[19:49] <rjharrison> hey fsphil any pics up yet
[19:51] <rjharrison> any info anyone
[19:52] <edmoore> http://www.flickr.com/photos/fsphil/sets/72157623870036944/
[19:52] <Upu> http://www.flickr.com/photos/fsphil/sets/72157623870036944/
[19:52] <Upu> [19:19] <fsphil> few more images and some video to upload, will do that shortly. dog needs walked first :)
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[19:56] <rjharrison> Humm contemplating abandoning launch tomorrow
[19:56] <Upu> how come ?
[19:56] <rjharrison> Wondering if it's better to concentrate on Icarus III or to get some Ash Cloud footage
[19:57] <rjharrison> To be honest it's a bloody long drive to camb and back plus balloon chasing
[19:58] <rjharrison> Upu do you drive ... I'm thinking for the future here :)
[19:58] <rjharrison> IIRC your in west yorks
[19:58] <rjharrison> you're even
[19:58] <Upu> Yes I drive
[19:59] <Upu> as long as we aren't going off road :)
[19:59] <edmoore> rjharrison: can you actually see the ash?
[19:59] <rjharrison> edmoore I think it's likely now
[19:59] <Upu> I get married in 4 weeks after that I'll probably have some free time
[19:59] <rjharrison> In x section = Brown Grey
[19:59] <N900evil> it's going to be visible. but as haze only
[19:59] <rjharrison> Upu hehe wait till the kids come :)
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[20:00] <Upu> Yeah I'm 30 mins from you I think not much more
[20:00] <Upu> they can wait a while :)
[20:00] <rjharrison> Cool
[20:00] <N900evil> I don't think a massive cloud is going to be seen
[20:00] <rjharrison> I have 3 9 6 2
[20:00] <rjharrison> I have 3 9 Faye 6 Charlie 2 Jack
[20:00] <Upu> cool
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[20:01] <rjharrison> I'm not expecting to see anything satelite looking
[20:01] <rjharrison> Hi RocketBoy
[20:01] <rjharrison> I'm still nulling over tomorrow
[20:02] <rjharrison> wx has move slightly worse and my co-driver has pulled out
[20:02] <fsphil_> there wasn't any obvious dust in our pics today, but the main cloud wasn't over NI
[20:03] <edmoore> -8 magnitude iridium flare in 50 mins
[20:03] <RocketBoy> no sweat either way
[20:03] <RocketBoy> edmoore - local?
[20:04] <edmoore> yeah
[20:04] <edmoore> 1.3km from epicenter
[20:04] <RocketBoy> saw one at work once
[20:04] <RocketBoy> amazingly accurate
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[20:04] <edmoore> yeah
[20:06] <rjharrison> How long will it last for?
[20:07] <rjharrison> Ie do I need to be looking at the exact location in the sky?
[20:07] <RocketBoy> just a flash really
[20:07] <RocketBoy> well its reasonably obvoius
[20:08] <junderwood> You can spot it coming if you know where to look
[20:08] <RocketBoy> this time is best
[20:08] <junderwood> lasts about 4-5 seconds
[20:08] <rjharrison> Ok cool
[20:09] <junderwood> http://www.heavens-above.com/iridium.asp
[20:09] <rjharrison> it it's roughly where in the sky tonight
[20:09] <fsphil> back
[20:09] <edmoore> rjharrison: they're very local
[20:09] <edmoore> you won't see this one up in yorkshire
[20:09] <junderwood> Put your exact lat lon in heavens-above and it will predict them for the next 4 days
[20:09] <rjharrison> cool junderwood
[20:11] <junderwood> rjharrison, You're in luck:
[20:11] <junderwood> 16 Apr 22:29:24 -7 33° 48° (NE ) 5.8 km (E) -7 Iridium 84
[20:11] <junderwood> Mag -7
[20:12] <junderwood> centre is about 6 km away from you
[20:13] <junderwood> oops - got the long wrong
[20:13] <junderwood> nothing interesting!
[20:13] <rjharrison> Cool just had a play
[20:14] <rjharrison> I'm going to opt out for tomorrow I think and get on with ICARUS III which has been delayed by the media coverage
[20:14] <fsphil> what's the plan for I-III?
[20:14] <rjharrison> I is lost in space :)
[20:15] <rjharrison> II is awaiting the Perfect Day for an alt attempt
[20:15] <rjharrison> III is my advanced photographich platform :)
[20:15] <rjharrison> s/h//
[20:15] <fsphil> aah the pan/tilt camera
[20:15] <rjharrison> Yep that's the one
[20:15] <DanielRichman> I wanted to do an alt attempt with a super lightweight payload but sbasuita won't let me
[20:16] <rjharrison> Icarus III is basically 3kg balloon with a 400g payload
[20:16] <fsphil> my next payload will be a very light weight one -- basically the same as today but with only the imaging module
[20:16] <rjharrison> opps II
[20:17] <fsphil> the hadie board got destroyed in impact so good excuse to build a better one :)
[20:17] <fsphil> in=on
[20:17] <DanielRichman> I reckon I can make a super lightweight payload only battery gps and radio
[20:18] <rjharrison> Yep but it's relly no fun without some pics to show where you have been
[20:18] <DanielRichman> true
[20:20] <sbasuita> DanielRichman, all you have to show for your work is an immaterial altitude number
[20:21] <DanielRichman> it's the thought that counts
[20:21] <DanielRichman> it's quite a hard to regulate record unless you want to fly an independently approved black box
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[20:43] <Xenion> http://www.youtube.com/watch?v=O0imZs8uV6Y :-)
[20:58] <fsphil> taking ages uploading this video to youtube tonight
[21:00] <Lunar_Lander> sbasuita what is the issue?
[21:01] <sbasuita> Lunar_Lander, ?
[21:01] <Lunar_Lander> why can't DanielRichman make the altitude attempt?
[21:02] <sbasuita> Lunar_Lander, i didn't say he couldn't; i said i wouldn't want to do it
[21:02] <Lunar_Lander> ah I see
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[21:36] <SpeedEvil> What is http://spacenear.us/tracker/pics/hadie-1271414116.jpeg ?
[21:37] <SpeedEvil> I suppose sun actually
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[21:40] <fsphil> it is yea
[21:41] <ProjectCirrus> hey phil... i just woke up
[21:41] <Lunar_Lander> hi ProjectCirrus
[21:41] <fsphil> morning ProjectCirrus :)
[21:41] <ProjectCirrus> lol
[21:44] <ProjectCirrus> do you have the photos phil?
[21:44] <fsphil> uploaded most of them on flickr, uploading them to the wordpress site now
[21:45] <fsphil> http://www.flickr.com/photos/fsphil/sets/72157623870036944/
[21:49] <grumbel_> 100_1435 is Lough Neagh right?
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[21:51] <fsphil> I wondered about that .. not sure yet
[21:52] <ProjectCirrus> i'm pretty sure it is
[21:57] <ProjectCirrus> could that be ash in 1369?
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[22:03] <fsphil> the dark line?
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[22:11] <Laurenceb> hi folks
[22:12] <SpeedEvil> hi
[22:12] Last message repeated 1 time(s).
[22:12] <Laurenceb> hi hi hi
[22:12] <Laurenceb> :P
[22:12] Action: stilldavid adds joke about altitude
[22:12] <SpeedEvil> I forgot to get my vice out of the garage - so no new measurements.
[22:13] <Laurenceb> gargae of vice ?
[22:13] <SpeedEvil> Laurenceb: for accell measurements without drift
[22:13] <Laurenceb> SpeedEvil: ah ok, nvm
[22:13] <Laurenceb> I'm def going with the ST magno and accel
[22:14] <SpeedEvil> :)
[22:14] <SpeedEvil> the combo unit/
[22:14] <Laurenceb> yes
[22:14] <Laurenceb> just redoing the sensors layout
[22:14] <SpeedEvil> I wish it was easy to get bare die and to do stuff with it
[22:14] <Laurenceb> looks like mouser will stock the 3 axis soon
[22:14] <SpeedEvil> I want to make microSD cards with compasses on
[22:17] <Laurenceb> for phones?
[22:18] <SpeedEvil> yes
[22:18] <Laurenceb> sound slike a smart plan
[22:18] Action: Laurenceb is trying to work out how to drag airwires in eagle
[22:19] <Laurenceb> otherwise I have to go over a complex bit of trace twice... seems daft
[22:19] Action: SpeedEvil has never been into hawking.
[22:20] <Laurenceb> http://gb.mouser.com/ProductDetail/STMicroelectronics/LYPR540AH/?qs=sGAEpiMZZMskzhF9uAtigw%252bsJfc%2fH7XU3FjBgblpheo%3d
[22:20] <Laurenceb> ^ wow - just need to wait a while
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[22:21] <Laurenceb> hmm but huge MOQ... hopefully theyll change that
[22:22] <SpeedEvil> I'll take one if you need 1532
[22:22] <SpeedEvil> :)
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[22:27] <Hiena> Laurenceb, guess, it's a preordered reel.
[22:28] <Laurenceb> yeah - all the ST stuff they've been stocking for more than a couple of months is avaliable in single unit
[22:29] <Laurenceb> hopefully they'll reduce the MOQ to 1
[22:30] <Laurenceb> they have single and dual digital gyros with FIFO with the same stocking details as well
[22:30] <Laurenceb> grrr want a 3 axis
[22:32] <fsphil> today's launch video: http://www.youtube.com/watch?v=sYuN1mOaM0w
[22:34] <Laurenceb> I know, maybe mouser is ordering some reels to break down and sell with low MOQ, and they want to add any extra reels to their order... kind of makes sense
[22:34] <Laurenceb> so they advertise the gyros avaliable as a whole reel with a long leadtime
[22:36] <SpeedEvil> fsphil: shiny
[22:37] <Laurenceb> http://invensense.com/mems/catalog.html <- and we have struck gold
[22:38] <SpeedEvil> how muhc?
[22:39] <Laurenceb> $15
[22:39] <Hiena> Wow.
[22:40] <Hiena> Looks good.
[22:40] <Hiena> I'll show it the university guys,
[22:40] <Laurenceb> yeah
[22:40] <Laurenceb> but my lovely pcb layout
[22:41] <Laurenceb> :-S
[22:42] <Laurenceb> "The ITG-3200 features three 16-bit analog-to-digital converters (ADCs) for digitizing the gyro outputs, a user-selectable internal low-pass filter bandwidth, and a Fast-Mode I2C (400kHz) interface"
[22:42] <Laurenceb> crazy
[22:43] <Hiena> 10000G shock resistance....Hmmm... Liquid propellant rocket here we comes...
[22:43] <rjharrison> ping RocketBoy
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[22:45] <Laurenceb> noise is same as ST, but temperature drift is about 5 times larger :-/ but temperture sensor built in
[22:46] <Laurenceb> guess its overall better - temperature compensation isnt too hard and then you can get better performance than the ST
[22:47] <Laurenceb> although ST appear to cheat, their temperature shift is d(bias)/dT at 25C, wheras invisense is over the -40 to 85C operating range
[22:47] <rjharrison> Hey ProjectCirrus congratulations
[22:48] <edmoore> nice launch ProjectCirrus. just seen the vid.
[22:49] <edmoore> fair old ascent rate too!
[22:49] <rjharrison> Ooh where is that
[22:49] <rjharrison> 5.5 - 6.6
[22:49] <edmoore> http://www.youtube.com/watch?v=sYuN1mOaM0w
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[22:51] <rjharrison> Great launch
[22:51] <SpeedEvil> Indeed - very awesome!
[22:54] <Lunar_Lander> congratulations ProjectCirrus
[22:54] <Lunar_Lander> and fsphil
[22:59] <fsphil> thanks guys
[22:59] <ProjectCirrus> thanks... technically it went pretty well..... though the camera battery was a bit of a let down...... I had it on its own pack to stop it draining the tracker
[23:00] <ProjectCirrus> but it only took just over a 1/3 of the photos it should have
[23:00] <ProjectCirrus> probably the temperature hurting the lithiums
[23:00] <Lunar_Lander> yes
[23:01] <Lunar_Lander> that can well be
[23:01] <ProjectCirrus> i really thought it would have used less power... especially considering that we had removed the screen
[23:01] <edmoore> odd that
[23:01] <ProjectCirrus> but.... a learning curve
[23:01] <Lunar_Lander> yes
[23:01] <edmoore> our AA lithiums have usually performed to spec. specifically which lithium chemistry were these?
[23:02] <ProjectCirrus> ok, at room temp the lithiums should have got us 500 shots
[23:02] <ProjectCirrus> with a screen etc
[23:02] <ProjectCirrus> and some flash
[23:02] <ProjectCirrus> but obviously the lithiums were hampered a little by temperature
[23:03] <ProjectCirrus> but when it landed the lens barely came out
[23:03] <ProjectCirrus> they appeared exhausted
[23:04] <ProjectCirrus> however it could have been another problem... who knows, in any case that camera will never be used again
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[23:05] <ProjectCirrus> we were lucky that one of the modules still transmitted telemetry after the landing!
[23:06] <ProjectCirrus> we would have had a very very hard time finding it from the last data packets
[23:06] <SpeedEvil> ProjectCirrus: cold causes viscosity of grease in lens to increase
[23:06] <SpeedEvil> ProjectCirrus: which may indeed slow it
[23:06] <rjharrison> ProjectCirrus where they energizer lithiums?
[23:06] <ProjectCirrus> true... but this was about an hour after landing
[23:06] <ProjectCirrus> and lying in the sun
[23:07] <ProjectCirrus> yeah energizer lithiums
[23:07] <ProjectCirrus> the main pack was fine
[23:07] <SpeedEvil> ah
[23:07] <ProjectCirrus> the impact could have hurt the camera as well
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[23:15] <Lunar_Lander> did you test it?
[23:16] <ProjectCirrus> not after landing... we had quite a logistics exercise getting everyone home etc
[23:16] <ProjectCirrus> and now im desperately trying to get my uni work done
[23:16] <fsphil> hadie after landing: http://www.sanslogic.co.uk/hadie/hadie-after.jpeg
[23:16] <edmoore> ouch
[23:16] <ProjectCirrus> lol,, thanjs for softening our landing
[23:17] <Lunar_Lander> yea
[23:17] <Lunar_Lander> smash
[23:17] <fsphil> np :)
[23:18] <Randomskk> wow
[23:18] <Randomskk> quite the landing
[23:18] <Randomskk> blimy
[23:18] <Randomskk> padding much? :P
[23:18] <fsphil> I tuned down to it after we parked near the landing site, and when I heard nothing I was kinda expecting this :)
[23:19] <ProjectCirrus> had hadie as our padding
[23:19] <fsphil> poor lass :)
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[23:19] <ProjectCirrus> our balloon didn't disintegrate
[23:20] <sbasuita> what did it land on?
[23:20] <ProjectCirrus> hadie
[23:20] <ProjectCirrus> :)
[23:20] <sbasuita> no the ground ;P
[23:20] <ProjectCirrus> a nice northern irish lush field
[23:20] <rjharrison> do we have a pic of landing
[23:20] <ProjectCirrus> phil?
[23:20] <sbasuita> that damage is pretty ridiculous
[23:20] <fsphil> good timing, uploading right niw
[23:20] <fsphil> now
[23:21] <ProjectCirrus> yeah.... well phil wanted the bottom antennae
[23:21] <ProjectCirrus> its descent was very fast
[23:21] <ProjectCirrus> balloon staed stuck on and dragged around our chute.... even with a 6m gap
[23:22] <fsphil> landing site: http://www.sanslogic.co.uk/hadie/00021.jpg
[23:23] <fsphil> (big file, sorry)
[23:24] <ProjectCirrus> lovely
[23:24] <ProjectCirrus> note the ejected phone
[23:26] <rjharrison> ProjectCirrus was that a 1500g balloon
[23:29] <ProjectCirrus> 1kg
[23:29] <Lunar_Lander> lol at ejected phone
[23:29] <ProjectCirrus> should have worn a seatbelt
[23:29] <Lunar_Lander> yea
[23:29] <Lunar_Lander> "Seatbelts save lives!"
[23:29] <ProjectCirrus> and phones
[23:32] <Lunar_Lander> yes
[23:32] <Lunar_Lander> I had been at the professor for Biophysics today
[23:32] <DanielRichman> ping fsphil
[23:32] <Lunar_Lander> they have big dewar containers for LHe :)
[23:33] <Lunar_Lander> I wanted to discuss if I can have some, but he asked me to come back monday
[23:33] <fsphil> hi DanielRichman
[23:34] <DanielRichman> fsphil, can I use a hadie string on http://ukhas.org.uk/communication:protocol as an example of a crc16'd string? is this one: correct? $$hadie,181,10:42:10,54.422829,-6.741293,27799.3,1:10*002A
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[23:35] <fsphil> DanielRichman, sure can
[23:36] <DanielRichman> job done
[23:37] <rjharrison> don't forget to mention that its CCITT CRC16
[23:37] <DanielRichman> done
[23:37] <DanielRichman> for your viewing pleasure: http://ukhas.org.uk/communication:protocol
[23:39] <DanielRichman> I think I've finished mutilating your wiki
[23:39] <DanielRichman> be back tomorrow
[23:39] <rjharrison> http://news.bbc.co.uk/1/hi/uk/8626625.stm
[23:39] <rjharrison> hehe
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[23:43] <Lunar_Lander> rjharrison we are getting towards it
[23:43] <Lunar_Lander> next week will see helium negotiations
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[23:44] <fsphil> time for bed .. so very sleepy :) g'night all
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[23:45] <ProjectCirrus> i'm off to uni work as well
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[23:50] <Laurenceb> http://www.cdiweb.com/ProductDetail/ITG3200/405256 <- even cheaper
[23:54] <Lunar_Lander> yeah
[23:54] <Lunar_Lander> for your IMU Laurenceb ?
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[23:55] <Laurenceb> yes
[23:55] <Laurenceb> full IMU is now poss for <$20... thats just insane
[23:57] <Xenion> hello oc2k1
[23:57] <SpeedEvil> yep
[23:57] <oc2k1> hi
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[00:00] --- Sat Apr 17 2010