highaltitude.log.20110317

[00:00] <MrCraig> brb
[00:07] <MrCraig> ok, it's bed time for me too
[00:08] <MrCraig> night all
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[02:09] Action: griffonbot is GriffonBot [http://github.com/ssb/griffonbot]
[02:09] Action: griffonbot is following: #arhab #ukhas #cusf #atlasballoon
[02:09] Action: griffonbot is tracking emails sent to ukhas@googlegroups.com
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[05:55] <griffonbot> @LVL1WhiteStar: SpeedBall-1 Launch tentatively Saturday eve 8PM EDT. Commencing final tests and prep. Stay tuned, weather could still deteriorate #arhab [http://twitter.com/LVL1WhiteStar/status/48261113112051712]
[06:02] <natrium42> omg
[06:08] <natrium42> Zuph: what do the predictions look like?
[06:12] <Zuph> heh
[06:12] <Zuph> natrium42: 48 hours to Morocco!
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[06:44] <natrium42> :D
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[07:09] <SamSilver> ohhhh Morocco!!
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[09:52] <fsphil> morning all
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[11:00] <Dooberry> whoop!
[11:00] <Dooberry> My foam containers have just arrived
[11:00] <Dooberry> 3 of them, taking up an inordinate amount of space in my 1 bedroom flat
[11:00] <fsphil> excellent
[11:00] <Dooberry> g/f is not going to be happy...
[11:04] <SpeedEvil> Dooberry: hahahhahahahahahhahahahahha
[11:04] <SpeedEvil> context:
[11:06] <SpeedEvil> http://www.flickr.com/photos/14560445@N08/5532198012/
[11:06] <SpeedEvil> foam delivery.
[11:06] <Dooberry> HA!
[11:06] <Dooberry> Yeah, mine's not that bad :p
[11:07] <Dooberry> That's enough foam to take up the ISS.
[11:07] <SpeedEvil> The scary part is that this is maybe a third of the total needed.
[11:07] <Dooberry> what the hell is it all for?
[11:07] <SpeedEvil> Insulating my house.
[11:07] <Dooberry> ahh!
[11:07] <SpeedEvil> Which at the moment, is basically not insulated.
[11:08] <SpeedEvil> Or in case the flood comes. I haven't decided.
[11:08] <Dooberry> Where are you from? That's not the UK is it?
[11:08] <SpeedEvil> yes
[11:08] <Dooberry> Looks more Scandinavian
[11:08] <Dooberry> ah well, shows what I know!
[11:08] <SpeedEvil> Star, Fife
[11:08] <Dooberry> ooh lovely, I was born near there just outside of Perth
[11:09] <Dooberry> little village called Abernethy, although it's in Perthshire not Fife
[11:09] <SpeedEvil> I've heard of it, I'm unsure I've been there.
[11:09] <Dooberry> fair do's - you're near T In the Park as well!
[11:10] <SpeedEvil> Alas no energy for such pursuits.
[11:10] <Dooberry> I did Reading last year but i'm not entirely sure my body could survive it again
[11:11] <Dooberry> which is rather sad considering i'm only 27.
[11:11] <SpeedEvil> :/
[11:14] <Upu> DanielRichman are you about ?
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[11:21] <Upu> I mailed you. Afk.
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[11:29] <fsphil> it's freezing outside
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[11:47] <mattltm-alt> Ah Ha!
[11:51] <fsphil> he he?
[11:53] <Laurenceb_> T T
[11:54] <mattltm-alt> Whats the news then?
[11:57] <mattltm-alt> That much going on huh?
[11:57] <fsphil> to much to put into words :p
[11:58] <mattltm-alt> Lol
[11:58] Action: fsphil is on holiday -- suppose to be cleaning the shed but it's too cold!
[11:58] <mattltm-alt> Is anyone looking for a PHP dev job in Kent?
[11:58] Action: SpeedEvil passes fsphil a can of petrol.
[11:58] <mattltm-alt> One of my clients is recruting.
[11:58] <mattltm-alt> Lol @ SpeedEvil
[11:59] <fsphil> well that will certainly clear the shed :)
[12:00] <mattltm-alt> Got your call yet fsphil?
[12:00] <fsphil> yep yep, got the shiny new 2I0VIM
[12:01] <mattltm-alt> cool.
[12:01] <mattltm-alt> Now you just need to move house :)
[12:01] <jonsowman> nice one fsphil :)
[12:02] <fsphil> ta jonsowman :) MI0 coming soon ;-)
[12:02] <fsphil> lol mattltm-alt -- I've a cunning plan :p
[12:02] <jonsowman> got the test booked?
[12:03] <fsphil> not yet, but I've asked the club about it. there's none scheduled just yet
[12:03] <fsphil> they don't happen too often
[12:03] <jonsowman> ah I see
[12:03] <mattltm-alt> A plan so cunning you could stick a tail on it and call it a fox fsphil?
[12:03] <jonsowman> Blackadder's great
[12:04] <fsphil> ain't it!
[12:05] <mattltm-alt> fsphil: Rig Remote?
[12:05] <fsphil> 10m pole + mountain :)
[12:06] <mattltm-alt> Nice.
[12:06] <mattltm-alt> Well my 857 is happy running from 16.8v now and the 5ah LiPO gives about 3 hours of use :)
[12:07] <fsphil> not bad!
[12:07] <mattltm-alt> Thats with 10W out.
[12:07] <fsphil> what are you using to keep the voltage down?
[12:07] <mattltm-alt> Ermmm. Nothing :)
[12:08] <mattltm-alt> Spoke to Yeasu support and they said it was OK to over volt it.
[12:08] <fsphil> cool
[12:08] <mattltm-alt> Setting in the hidden service menu that you can change to keep the 857 happy.
[12:08] <fsphil> I'm surprised it can handle that
[12:09] <mattltm-alt> The tech said it can handle around 21v
[12:09] <fsphil> wow
[12:09] <fsphil> any idea why you had the problems before?
[12:10] <mattltm-alt> And spikes of 40ish
[12:10] <fsphil> it's a good bit hardier than the 817 then
[12:10] <mattltm-alt> Due to the fact it is designed as a mobile rig. Has to expect power spikes
[12:11] <mattltm-alt> The problem was somthing to do with the calabration of the expected voltage setting.
[12:12] <mattltm-alt> Don't understand it really but it works fine now :)
[12:12] <fsphil> voodoo
[12:12] <mattltm-alt> Damm right.
[12:13] <mattltm-alt> Found this...
[12:13] <mattltm-alt> http://www.pm.keirle.com/3_radio/hf_loop_ant/hf_loop_ant.htm
[12:13] <mattltm-alt> Looks like fun.
[12:15] <fsphil> sounds too good :)
[12:17] <mattltm-alt> Just ordered some bits from RS so we will see....
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[12:27] <fsphil> I just realised, that 10m pole I ordered is as tall as the house
[12:33] <mattltm-alt> Nice. Get another 3
[12:33] <mattltm-alt> Where did you order it from?
[12:33] <fsphil> sandpiper
[12:35] <fsphil> I may be able to make an offset-fed dipole, between the pole, my roof and the neighbours roof across the street
[12:36] <W0OTM> Howdy
[12:36] <fsphil> g'day W0OTM
[12:38] <mattltm-alt> Sounds good fsphil
[12:39] <mattltm-alt> or use it as a 40M vertical :)
[12:39] <fsphil> will try that first
[12:39] <W0OTM> http://www.youtube.com/watch?v=7TGD_MVJkl0
[12:39] <fsphil> gotta be better than the 5m vertical :)
[12:39] <W0OTM> made another short video
[12:40] <W0OTM> im working on my cut away device
[12:40] <mattltm-alt> cool.
[12:44] <fsphil> that's putting a lot of faith in the DTMF decoder :)
[12:44] <mattltm-alt> Back in a bit. Got to go home and let the dog out :)
[12:44] <W0OTM> fsphil: what you mean?
[12:45] <fsphil> would you not worry about it triggering accidentally?
[12:45] <W0OTM> nope
[12:45] <W0OTM> tone encoded
[12:46] <W0OTM> the control freq and tone is NOT published
[12:46] <fsphil> ahh, yea that will work
[12:46] <W0OTM> I put my APRS HT on an odd split
[12:47] <W0OTM> so it trans on the APRS freq, and receives on a secret freq with tone
[12:47] <W0OTM> so, when the APRS isn't trans, its sitting idle waiting for a DTMF control
[12:48] <fsphil> good idea
[12:49] <W0OTM> it worked really well in the iHAB- launch
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[13:00] <W0OTM> I am going todo another TrashBag launch
[13:00] <W0OTM> but fly APRS so I can see what alt I am getting
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[13:02] <fsphil> yea, it's no fun now knowing that :) esp. for such an usual flight
[13:03] <fsphil> how light can you make an aprs beacon?
[13:03] <fsphil> now=not
[13:11] <W0OTM> let me weigh the APRS platter
[13:11] <W0OTM> 282G
[13:11] <W0OTM> 282 grams
[13:12] <fsphil> not bad at all
[13:12] <W0OTM> im getting about 7hours of runtime
[13:13] <W0OTM> 800mAh LiPo for the GPS and TNC
[13:13] <W0OTM> 1200mAh LiPo for the trasmitter
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[13:41] <NigelMoby> Meh
[13:41] <NigelMoby> Afternoon kids
[13:42] Action: Laurenceb_ sits crossleged for assembly
[13:43] Action: Laurenceb_ asks what the new class topic is going to be
[13:46] <NigelMoby> Lol umm... string theory?
[13:48] <SpeedEvil> Silly-string theory?
[13:48] <SpeedEvil> It's like regular string theory, but stored in cans.
[13:48] <NigelMoby> Lol
[13:49] <NigelMoby> I got arrested for accidentally spraying that stuff on an undercover police van once
[13:50] <SpeedEvil> :)
[13:50] <NigelMoby> The wind blew it honest!!
[14:06] <fsphil> I was never allowed that stuff :)
[14:06] <fsphil> can't think why
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[14:30] <griffonbot> @N9XTN: Preparations continue for our next #ARHAB launch (NSTAR 11-A) on Sat at 9am CDT 1400 UTC from NE ARRL Conv in Lincoln NE. www.nstar.org [http://twitter.com/N9XTN/status/48390643474632706]
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[15:18] <jcoxon> afternoon all
[15:19] <jonsowman> afternoon jcoxon
[15:29] <jcoxon> whitestar launch window coming up
[15:29] <jcoxon> hooray
[15:29] <jcoxon> midnight Saturday
[15:31] <mattltm-alt> Im back :)
[15:31] <mattltm-alt> Miss me?
[15:32] <jcoxon> ummmm, sure
[15:32] <jonsowman> jcoxon: excellent :D
[15:32] <Laurenceb_> oh at last
[15:32] <jcoxon> still early predictions
[15:32] <AndChat|> Lots....lol
[15:32] <AndChat|> Hey James
[15:32] <jcoxon> but currently a good flight path
[15:33] Nick change: AndChat| -> NigeyMoby
[15:33] <mattltm-alt> Hi Nigey
[15:33] <jonsowman> Upu: ping
[15:33] <NigeyMoby> Africa....nice and warm
[15:34] <NigeyMoby> Hey Matt, cheers for fixing that, no idea what caused it
[15:35] <mattltm-alt> Looks like a network hardware problem on the cluster.
[15:36] <NigeyMoby> Ah, thought mysql had gone loop on me.
[15:36] <NigeyMoby> Loopy*
[15:38] <mattltm-alt> No, a problem at our end im afraid :(
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[15:48] <SamSilver> howdy
[15:48] <fsphil> jcoxon, is that friday night or saturday night?
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[15:49] <jcoxon> saturday
[15:51] <fsphil> will definitely be staying up for that
[15:52] <jcoxon> same
[15:52] <jcoxon> there is a backup window as well
[15:53] <jcoxon> the following day
[15:53] <SamSilver> Shish kabab for supper sat night and champers on Monday night!
[15:54] <fsphil> pesky work on monday morning :) hoping for a saturday launch
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[15:59] <SamSilver> hmmmm national dish is the Tajine
[16:00] <SamSilver> have wife, have tajine dish, one spicy stew for supper on Saturday night then for me. Would have prefered Bangers and Mash!
[16:02] <jcoxon> awesome - SPoT hack all soldered up
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[16:05] <SamSilver> Jcoxon does it still do the two digit number encoding as per your design?
[16:06] <SamSilver> what will you be assigning the digits to?
[16:06] <jcoxon> so yeah i can send latitude and longitude
[16:07] <jcoxon> in the format of DD.DDD
[16:07] <jcoxon> the max we can tx is every 10mins
[16:07] <jcoxon> so a 20 minute cycle of:
[16:07] <jcoxon> 1st message: latitude and longitude
[16:08] <jcoxon> 2nd message altitude (as a latitude) and then flight data (as longitude
[16:08] <jcoxon> )
[16:09] <SamSilver> slim jim you are
[16:09] <Lunar_Lander> ah activitiy
[16:09] <Lunar_Lander> hello everybody
[16:09] <SamSilver> i would love a converted Spot but down here they have no reception - south africa
[16:10] <Lunar_Lander> do you also have it that the predictor has only a white (IE9) or black (Chrome) screen instead of the map?
[16:10] <jcoxon> works for me
[16:10] <Lunar_Lander> ok, thanks
[16:10] <jcoxon> firefox OSX
[16:10] <jcoxon> though
[16:10] <jonsowman> fine here Chrome Ubuntu Maverick
[16:10] <Lunar_Lander> for me now too in Chrome
[16:11] <Lunar_Lander> thanks
[16:11] <Lunar_Lander> SamSilver hello to ZA
[16:11] <Lunar_Lander> )
[16:11] <Lunar_Lander> :)
[16:12] <SamSilver> howzit lunar
[16:12] <Lunar_Lander> fine, thanks, and you?
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[16:13] <SamSilver> i am coverting jcoxon's spot
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[16:13] <Lunar_Lander> ah nice
[16:13] <Lunar_Lander> and are you flying your own balloons too?
[16:15] <SamSilver> Not yet, only pico balloons, read party.
[16:16] <SamSilver> Have got ham lic and a lab
[16:16] <Lunar_Lander> ah cool
[16:16] <jcoxon> you can use aprs in ZA
[16:16] <Lunar_Lander> yeah ZA was the only country in africa that had balloon flights by amateurs yet
[16:17] <Lunar_Lander> IIRC
[16:18] <SamSilver> yes we have had some joy
[16:18] <Lunar_Lander> :)
[16:19] <SamSilver> i am keen on long duration
[16:19] <Lunar_Lander> ah
[16:19] <Lunar_Lander> I am into science
[16:19] <SamSilver> and distance that comes with it
[16:19] <Lunar_Lander> I would like to have many sensors on board and so on
[16:19] <SamSilver> lunar whip me up a vacume balloon
[16:20] <Lunar_Lander> a vacuum balloon? :)
[16:20] <SamSilver> it is the ideal gas to fill a balloon with
[16:20] <Lunar_Lander> yeah I know
[16:20] <Lunar_Lander> if there would only be a shell light enough
[16:21] <SamSilver> fill a 3000g latex balloon then cristilise it then suck air out!
[16:21] <Lunar_Lander> xD yeah
[16:21] <SamSilver> :p
[16:22] <Lunar_Lander> it could also be interesting to fly the same payload once in europe and then in SA
[16:22] <Lunar_Lander> maybe have two payloads and fly simulatneously
[16:22] <Lunar_Lander> then you have measurements on both hemispheres at almost the same longitude
[16:23] <SamSilver> I am busy watching this
[16:23] <SamSilver> http://www.youtube.com/watch?v=9tIZUhu21sQ
[16:23] <Lunar_Lander> sorry for the typo btw
[16:23] <Lunar_Lander> not SA but ZA
[16:23] <SamSilver> a sea water antenna
[16:25] <SamSilver> what type of measurements would you like to see?
[16:26] <SamSilver> I find the variation of magnetic flux very kewl
[16:27] <SamSilver> 18h30 here time to walk the dog before he chews my leg off
[16:27] <Lunar_Lander> yeah
[16:27] <Lunar_Lander> magnetic flux is still missing on my agenda
[16:27] <Lunar_Lander> and I need to wash my bike now
[16:27] <Lunar_Lander> so see you later :)
[16:27] <Lunar_Lander> btw, the antenna is cool!
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[16:30] <SamSilver> chow
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[16:49] <W0OTM> Howdy
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[17:22] <DanielRichman> Upu: hi
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[17:35] <GroupO> Hibby: ping
[17:41] Action: jcoxon has is SPoT txer working nicely outside
[17:41] <jcoxon> though you can't rely on it for ever
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[17:51] <Upu> hey DanielRichman
[17:51] <DanielRichman> => #habhub ?
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[18:00] <mattltm> Howdy Ho :)
[18:01] <NigeyS> hey matt
[18:01] <mattltm> Yo Yo :P
[18:03] MrCraig (~MrCraig@host109-157-200-195.range109-157.btcentralplus.com) joined #highaltitude.
[18:03] <MrCraig> Evening all
[18:03] <mattltm> Hey MrCraig :)
[18:03] <MrCraig> Hey :-)
[18:04] <MrCraig> Just received my motherboard bling (gold coated pcb mount antenna connectors) - it's quaint how pleased I am with them - I never understood women with jewlery before but now I get it :-P
[18:04] <mattltm> lol
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[18:06] <MrCraig> left at midnight last night with just the checksum function to test and one other function to write (a simple timer) - so the software is inches from being complete :-)
[18:07] <MrCraig> I would still like to source a larger balloon. I've tried to contact RocketBoy on an older email address, and via SMS too but no reply as yet - anyone know of any other sources? They seem to be next to impossible to find in the UK.
[18:17] mattltm (~mattltm@92.7.175.119) left irc:
[18:18] <fsphil> ooh NASA's Messenger enters orbit of Mercury sometime tonight, or tomorrow morning. hopefully
[18:19] <NigeyS> yups
[18:19] <SpeedEvil> Or makes a loud spanging sound.
[18:19] <NigeyS> lol
[18:19] <SpeedEvil> Followed by 'I thought it was inches'.
[18:19] <NigeyS> hahaha now now SpeedEvil :p
[18:20] <MrCraig> lol
[18:20] <natrium42> that's what she said
[18:20] <SpeedEvil> http://www.nasa.gov/mission_pages/messenger/main/index.html says 6:26 to go.
[18:20] <SpeedEvil> Or about 1AM
[18:20] <fsphil> aye
[18:20] <fsphil> I might stay up for that
[18:22] <fsphil> hmm... "This first planned image is scheduled to be taken on March 29"
[18:22] <fsphil> no fun
[18:22] <NigeyS> oh ffs why so long? .. grrrrrr
[18:22] <SpeedEvil> I hate NASAs lack of text.
[18:23] <SpeedEvil> I mean - there are shiny graphics, videos, but no actual content.
[18:23] <NigeyS> heh they love pretty pictures and gfx
[18:23] <fsphil> I likes my pretty pics from space :)
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[18:26] <MrCraig> I prefer them to pretty animations of the mission plan made using 10 year old 3D rendering softwre.
[18:26] <MrCraig> software*
[18:29] <fsphil> I suppose I better get back to cleaning out this shed before it gets dark
[18:29] <MrCraig> has fun
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[18:47] Action: SpeedEvil has lights in the shed.
[18:47] <SpeedEvil> I have lights _everywhere_
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[18:47] <SpeedEvil> 2-core cable, soldering iron, 20p CFLs
[18:48] <W0OTM> Howdy
[18:49] <W0OTM> SpeedEvil: Did you see my DTMF control
[18:49] Hiena (~Hiena@81.93.195.181.datatrans.hu) joined #highaltitude.
[18:49] <SpeedEvil> no
[18:49] <W0OTM> http://www.youtube.com/watch?v=7TGD_MVJkl0
[18:49] <W0OTM> im working on my cutdown circuit
[18:51] <SpeedEvil> neat.
[18:51] <W0OTM> im planning to burn my cord with a 10ohm res shorting out a 9V bat
[18:51] <fsphil> I've lights there too :)
[18:52] <fsphil> just not outside the shed where I've set everything
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[18:52] <SpeedEvil> http://www.firebox.com/product/2477/illoom-balloons?aff=1721&gclid=CPbb3dWi1qcCFYob4QodeU9G9w
[18:52] <MrCraig> cool W0OTM
[18:53] <W0OTM> Do you think the cold temp will prevent the resistor from getting hot enough to melt?
[18:53] <W0OTM> cold temps at altitude
[18:53] <SpeedEvil> W0OTM: I have some resistors specced to 350C operating temp.
[18:54] <SpeedEvil> W0OTM: They should hit ~250C steady-state at nominal input power and -50C ambient
[18:54] <SpeedEvil> 1W
[18:54] <fsphil> sweet, don't need outside light - there's nearly a full moon out
[18:54] <W0OTM> When I short out a 10ohm res to a 9V bat the resistor smokes and glows red
[18:55] <W0OTM> that will melt the string to the balloon
[18:55] <W0OTM> my concern is that at high altitudes, the cold temps will prevent the resistor from getting hot
[18:55] <SpeedEvil> W0OTM: Will it still melt if 50C cooler than on the ground?
[18:56] <W0OTM> thats my question
[18:56] <SpeedEvil> I prefered not to use an overpowered resistor, but one specced, as it's more reliable.
[18:56] <SpeedEvil> How hot is red heat. What's 50C cooler
[19:02] Laurenceb (~laurence@host86-146-40-121.range86-146.btcentralplus.com) joined #highaltitude.
[19:02] <Hiena> W0OTM, there is a nice piro foor release. It's a thin walled transparent PVC tube around 5mm diameter. Melt one ends, flatten with a plier, and drill a hole in it. Fill with matchheads, add a thin resistor wire with 30 cm long insulates leads, and seal with epoxy tucking a thread in it. for the release just connect the battery for a second and the link will burn as a firecracker.
[19:03] <Hiena> I used such setup for RC glider tug emergency release.
[19:05] <Hiena> For "high altitude simulation", you could buy dry ice and fill a cooler box. If your setup works in it after 30 min in it it will works in HA.
[19:05] <W0OTM> Hiena: Cool, those are great ideas
[19:05] <SpeedEvil> A nice 1W ceramic resistor specced to 350C operating temp. Sure, it takes 30s-1 min to cutdown. Do you care?
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[19:12] <Hiena> W0OTM, we buried a complete electronic power assist servo drives in dry ice for the low temperature tests. Usually after 20 min, the drive was around -50 Celsius.
[19:13] <Laurenceb> still works?
[19:14] <Hiena> Yup. At the most case the drive heated up the setup around -34 degree, but it has a 2 kW motor so it should.
[19:15] <SpeedEvil> 2Kw?
[19:16] <SpeedEvil> That's a big motor.
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[19:17] <Hiena> The most nasty test is the dipping freeze test and the salt vapor test. One case the drive dipped in 1 meter down to the water and put in the heat chamber set to the comfy -40. After 25 mi, the drive should operate without problem.
[19:17] <SpeedEvil> Chilly.
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[19:18] <Hiena> SpeedEvil, it's a power steering system.
[19:20] <SpeedEvil> Ah. A 'proper' one, for a production vehicle?
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[19:23] <Hiena> Yeah, it's already in mass production. Even you could buy it from ebay. ;)
[19:24] <SpeedEvil> I have my eye on something more boring.
[19:25] <Hiena> http://cgi.ebay.de/el-Lenkgetriebe-BMW-X3-F25-neues-Modell-/160555531767?pt=Autoteile_Zubehör&hash=item2561dafdf7
[19:25] <SpeedEvil> http://www.flickr.com/photos/14560445@N08/5532198012/
[19:25] <SpeedEvil> I need more insulation.
[19:26] <SpeedEvil> About this again, at least.
[19:26] <Hiena> Nice thing, when you works on something years long, and at last, you could see it on the ebay...
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[19:26] <SpeedEvil> :)
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[19:30] <SpeedEvil> That's probably going to be a large slice of the cost of my next car :)
[19:34] <Hiena> Hopes, it isn't. ;) Knowing what is inside, makes my servoless car super safe.
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[19:34] <Lunar_Lander> hello
[20:07] <Laurenceb> SpeedEvil: any good at plastering?
[20:09] <SpeedEvil> Laurenceb: Initially, I'm just going to be getting the thing actually thermally OK.
[20:09] <Laurenceb> yeah
[20:09] <SpeedEvil> Not so much bothering about the appearance.
[20:09] <Laurenceb> i got someone in to do the plastering
[20:09] <SpeedEvil> They are taper-edge boards, which may mean I can somewhat get away with just doing the joins
[20:10] <Laurenceb> yeah - the guy who did the plastering screwed up
[20:10] <Laurenceb> uder just tape on the joins
[20:10] <Laurenceb> you should go over the tape with jointing compound
[20:10] Zuph (~bradluyst@69.64.6.69) joined #highaltitude.
[20:11] <Laurenceb> or you get cracks from expansion/contraction of the plasterboard sheets
[20:12] <Laurenceb> i spent an absurd amount of time on false/real beams - a lot easier without those to deal with
[20:12] <Lunar_Lander> hi Laurenceb
[20:12] <Laurenceb> hi
[20:13] <SpeedEvil> Laurenceb: Or I could just give up, and make a fort from the pile of insulation.
[20:13] <SpeedEvil> And that's done.
[20:14] <Laurenceb> lol
[20:14] <GW8RAK> Does anyone else get flak from their girlfriend when you are looking at this?
[20:14] <GW8RAK> 'cos I do!
[20:14] <Laurenceb> girlfriend
[20:14] <Laurenceb> what is this thing you speak of
[20:14] <SpeedEvil> I have some fish.
[20:15] <fsphil> oh I've heard of those
[20:15] <SpeedEvil> They tend not to talk back much.
[20:15] <GW8RAK> Mine does
[20:15] <GW8RAK> Those comments will not enhance her opinion.
[20:15] <Darkside> \o
[20:15] <Darkside> morning from australia
[20:17] <Laurenceb> http://www.youtube.com/watch?v=cB3bcjA-SgA
[20:18] <Laurenceb> http://www.youtube.com/watch?v=GmG4X9PGOXs even
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[20:21] <Darkside> noooooo reddit is downh
[20:21] <Darkside> how will i procrastinate now
[20:22] Action: fsphil is trying to watch the iplayer from buffer hell
[20:26] Action: SpeedEvil hugs get_iplayer.
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[20:31] <SpeedEvil> It's awesome.
[20:31] <SpeedEvil> It also means I don't need to use my 'daytime' quota for streaming.
[20:32] <fsphil> nice
[20:32] <SpeedEvil> And can jam stuff onthe phone easily with rsync.
[20:37] <SpeedEvil> http://cgi.ebay.com/Sale-God-/180540820728?pt=LH_DefaultDomain_0&hash=item2a09124cf8
[20:38] <Laurenceb> reddit?
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[20:38] <Laurenceb> its a jerkcircle
[20:38] <SpeedEvil> b3ta
[20:38] <SpeedEvil> 4chan
[20:38] <Laurenceb> lol
[20:38] <SpeedEvil> how can you be bored?
[20:39] Action: Laurenceb prefers wolfram alpha
[20:39] <fsphil> "I quit my job at the Helium factory ... I refuse to be spoken to in that tone"
[20:40] <fsphil> I've yet to try speaking on helium :)
[20:42] <MrCraig> quoting hitch fsphil?
[20:46] <Laurenceb> mmmmh look at those integrals
[20:51] <Laurenceb> ooh a nice warm bath - http://blogs.aljazeera.net/sites/default/files/imagecache/FeaturedImagePost/images/nuclear_rtr.jpg680.jpg
[20:58] <fsphil> MrCraig, http://www.youtube.com/watch?v=ab9iCVwcQYE
[21:00] <mattltm> Ello peeps :)
[21:00] <MrCraig> ahh yes, Francis :)
[21:00] <fsphil> mattster
[21:00] <MrCraig> re mattltm
[21:04] <mattltm> yo yo :)
[21:05] <mattltm> Soo.... Whats going on tonight then?
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[21:09] <mattltm> fsphil: a beaten up 857 on ebay for £170..
[21:10] <fsphil> ooooooooh
[21:11] <mattltm> Looks a bit battered but it looks like it powers up and works.
[21:11] <LazyLeopard> Be like gold dust soon...
[21:11] <fsphil> the yaesu factory is in fukushima -- there's probably a few beaten up radios on ebay now
[21:12] <mattltm> It is? Blimy!
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[21:12] <LazyLeopard> o/~ glows in the dark a little so it makes a handy night light too o/~
[21:12] <Lunar_Lander> xD
[21:13] <fsphil> http://www.southgatearc.org/news/march2011/yaesu_factory_shutdown.htm
[21:13] <fsphil> maybe I should just order one now ... :)
[21:13] <LazyLeopard> ...from one of Steve Savitski's songs: http://steve.savitzky.net/Songs/uncle/
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[21:31] <chembrow> evening
[21:32] <mattltm> Hi :)
[21:32] <fsphil> ellu
[21:32] <chembrow> anything much happening tonight?
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[21:34] <mattltm> Nope.
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[21:42] <chembrow> fair enough :)
[21:42] <mattltm> If your looking for somthing to do, you could pop over and sort this damn NTX2 out for me :p
[21:44] <chembrow> :p
[21:44] <chembrow> what's up?
[21:45] <mattltm> Was working fine on a proto board, moved it to some stripboard and now the shift is out.
[21:45] <fsphil> hate that
[21:45] <mattltm> Yup. Tell me about it.
[21:46] <fsphil> I'm using a 22k and 2.2k at the moment, gets pretty close to 350hz
[21:47] <mattltm> http://www.mattltm.co.uk/wp-content/uploads/2011/02/ntx2-diagram1-300x273.jpg
[21:47] <mattltm> 27k and a 2k2 + 18K
[21:47] <mattltm> did get me this...
[21:47] <mattltm> http://www.youtube.com/watch?v=rsq4JY42-eA&feature=player_embedded
[21:48] <mattltm> but now I have a 800k shift insted!
[21:50] <fsphil> something similar happened me, I just had to swap out the resistor on the stripboard
[21:50] <mattltm> tried that :(
[21:51] <fsphil> no difference?
[21:53] <chembrow> yeah, I had totally different results on a breadboard and on a PCB with SMD
[21:54] <chembrow> fortunately still with a suitable shift, just moved sideways
[21:55] <mattltm> No change.
[21:55] <mattltm> Used the same components and then tried diferent ones.
[21:55] <chembrow> although my set up was slightly different, both lines fed a common 10k ground, with a 33k and 43k
[21:56] <mattltm> I have a whole bunch of new resisters on their way to me for tomorrow so I'll have a play on Sunday.
[21:56] <mattltm> fsphil: Went to get the 7W mono amp for my 2E0 partical but maplin had sold out.
[21:57] <chembrow> how long are the copper traces on the stripboard? could the extra length be having an effect vs the short lines on a bread board?
[21:57] <mattltm> So I got a signal generator and mono preamp insted.
[21:57] <mattltm> chembrow: very short.
[21:58] <chembrow> not that then.
[21:58] <chembrow> mattltm is the 2E0 the intermediate radio license?
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[21:59] <mattltm> Yup
[22:00] <fsphil> mattltm, ooch -- could send you mine :)
[22:00] <chembrow> cool. I'm looking at the foundation. been exchanging emails with someone I used to work with, he's been tutoring me in antenna theory
[22:00] <fsphil> antennas are a mystery to me :) and I've passed my intermediate :p
[22:01] <mattltm> You don't need much antenna theroy at foundation level.
[22:01] <mattltm> fsphil: Im also going to build that active loop as a project.
[22:01] <fsphil> that would be a perfect project mattltm
[22:01] <fsphil> and it's something you will hopefully be able to use afterwards
[22:02] <mattltm> Ordered the parts from rs today. they had everything but the toroid
[22:02] <chembrow> I'm more looking at the licenses to learn about RF, rather that the other way round. antennas have always been a mystery, and more and more of the stuff I'm looking at involves RF
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[22:02] <mattltm> Found an ebay seller with them but had to order 10 so if you want to have a go at building it i'll post you a toroid :)
[22:02] <chembrow> fortunately this guy I know is good with antennas and good at putting it in laymans terms too
[22:03] <mattltm> Cool. I love antenna theroy.
[22:03] <mattltm> Covered folded dipoles yet? :p
[22:03] <mattltm> or stacked, phased arrays?
[22:04] <chembrow> still at the EM field theory level, just moving into actual antenna design.
[22:04] <fsphil> lol
[22:05] <fsphil> EM fields are weird
[22:05] <mattltm> Ummmmm stacks...
[22:05] <chembrow> I was staggered at the difference a 1/4 wave whip made over the rubber duck on my scanner; how can a few scabby bits of copper make such a massive difference
[22:05] <fsphil> I've made a phased array of 2 antennas
[22:05] <mattltm> fsphil: very cool.
[22:05] <fsphil> it's what i used to track the last hadie flight :)
[22:06] <chembrow> I want to try a higher gain vertical that I can mount in the loft; hanging the yagi out of the study window is a PITA.
[22:06] <mattltm> Once, when I was working as a radio tech, we had a very slow day and made a 4 square phased array of 4 stack folded dipoles, 4 bays high. :)
[22:07] <fsphil> you should make an array for EME work
[22:08] <mattltm> 64 folded dipoles in total
[22:08] <fsphil> did it work? :)
[22:08] Tigga (~Tigga@lanch-178-014.resnet.cranfield.ac.uk) joined #highaltitude.
[22:10] <mattltm> Well we called into the Southampton police control room for a radio test from Maidstone. Using a 2W output hand held :)
[22:10] <mattltm> UHF
[22:11] <fsphil> sheesh -- sorta alright then :p
[22:12] <mattltm> estimate 30dbi of omnidirectional gain.
[22:13] <Lunar_Lander> chembrow are you working in chemistry?
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[22:13] <chembrow> no, why?
[22:14] <Lunar_Lander> because of your nick
[22:14] <chembrow> no, thats my name, chris hembrow. what's it mean in chemistry?
[22:14] <mattltm> chembrow: what freq do you want your loft antenna to be for?
[22:15] <chembrow> mattltm 70cm or 70cm/2m
[22:15] <fsphil> oooh 40m folded dipole
[22:15] <Lunar_Lander> oh sorry
[22:15] <chembrow> 70cm for tracking HABs and 2m for future playing
[22:15] <Lunar_Lander> I thought because of "chem"
[22:16] <mattltm> fsphil: T2FD
[22:16] <fsphil> oooh
[22:17] <mattltm> a 70cm high gain omni will be very poor at tracking HAB
[22:17] <chembrow> Lunar_Lander no problem. I'm in IT
[22:17] <Lunar_Lander> ah
[22:17] <Lunar_Lander> I'm studying physics
[22:18] <fsphil> very poor unless you're quite distant
[22:18] <chembrow> mattltm OK. is that because of the elevation?
[22:18] <fsphil> my vertical can track a cambridge launch 500km away, but had trouble with hadie:2 that flew over it
[22:19] <mattltm> Think of the radiation pattern from a vertical dipole as a doughnut with a hole in the middle.
[22:19] <chembrow> I can't pick anything up in cambridge until they get to at least 10km from up here in stoke
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[22:19] <mattltm> Stick the vertical half way throught the hole.
[22:19] <chembrow> so it's only omni along one plane
[22:20] <mattltm> the ring of the doughnut is the radio wave originating from the centre of the vertical
[22:20] <mattltm> Now, sit on the doughnut so it is flatter. Thats what you do when you add gain to an omni.
[22:20] <chembrow> got it.
[22:21] <chembrow> thanks
[22:21] <mattltm> the radiation patter gets thinner and more focused towards the horison.
[22:21] <chembrow> make sense
[22:21] <mattltm> so you wont hear a HAB when it is up high :)
[22:21] <mattltm> Can I have my doughnut back please?
[22:21] <chembrow> :)
[22:22] <mattltm> fsphil: That proves the theory :)
[22:22] <fsphil> satellites too -- they're rubbish when overhead
[22:22] <mattltm> chembrow: A nice yagi driven with a folded dipole is whay you need :)
[22:23] <fsphil> motorised mount :)
[22:23] <chembrow> mattltm I've got a 6 element yagi, but I wanted something a bit less directional that I can mount semi-permanently generally pointing towards cambridge
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[22:24] <chembrow> without needing to look at rotators (yet)
[22:25] <mattltm> A stacked halo array would be nice.
[22:25] <mattltm> Nice and simples...
[22:25] <mattltm> http://www.kr1st.com/70cmstack.htm
[22:28] Action: SpeedEvil ponders if really important angels have stacked halo arrays.
[22:28] <mattltm> lol
[22:29] <mattltm> Wow. This looks nice for a coworking space - http://www.lebu.co.uk/
[22:29] <mattltm> I like the "air-con with aromatherapy diffusion"
[22:30] <fsphil> sweet
[22:30] <fsphil> I don't have a business and I fancy getting some space
[22:31] <mattltm> Me too!
[22:31] <Upu> evening
[22:31] <fsphil> getting there would be fun
[22:31] <Upu> just did all my foundation practicals
[22:31] <fsphil> all go well Upu?
[22:31] juxta (Bogaurd@ppp203-122-193-94.static.internode.on.net) joined #highaltitude.
[22:32] <Upu> yeah I have my sheet , just need to book exam now
[22:32] <fsphil> brilliant!
[22:32] <mattltm> Well done :)
[22:32] <Upu> and I got my 4mm steel mattltm
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[22:32] <Upu> will find something I can bend it round this weekend
[22:33] <mattltm> Yay! Another folded dipole out there in the wild :)
[22:33] <Upu> Skymast one is £240 btw
[22:33] <fsphil> you're converting the channel mattltm
[22:35] <mattltm> Uh hu. Mwhaaaaaaa!
[22:37] <Upu> did you post that page with the other calcs mattltm ?
[22:37] <fsphil> the price of yagi's now are pretty bad
[22:38] <mattltm> Not yet. I have some images on my phone which is curently with O2 who are refusing to repair it! I'll take some more on Sunday and upload the correct dims for the phasing lines.
[22:39] <Upu> ok thanks
[22:39] <mattltm> no probs :)
[22:40] <Lunar_Lander> hi Upu
[22:40] <Upu> evening Lunar_Lander
[22:40] <mattltm> Right. Bed time for me :(
[22:41] <mattltm> Byeeeeee..
[22:41] <Upu> nn
[22:41] <fsphil> nite
[22:41] <Lunar_Lander> cu mattltm
[22:41] <chembrow> likewise. night all
[22:41] Action: mattltm waves at everyone apart from fsphil
[22:41] <Lunar_Lander> night chembrow
[22:41] <Lunar_Lander> lol
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[22:41] mattltm (~mattltm@92.7.175.119) left irc:
[22:41] <fsphil> neener neener
[22:42] <Lunar_Lander> Upu I only need the usb-to-serial breakout board from sparkfun
[22:42] <Lunar_Lander> when that reaches me in the mail, I can set up the breadboard
[22:42] <Lunar_Lander> :)
[22:43] <Upu> those are useful
[22:43] <Lunar_Lander> yeah
[22:43] <Upu> you can use the one on the Arduino
[22:43] <Lunar_Lander> btw
[22:43] <Lunar_Lander> yeah
[22:43] <Upu> use s/w serial for the gps
[22:43] <Lunar_Lander> s/w?
[22:43] <Upu> software serial
[22:43] <Lunar_Lander> ah
[22:44] <Lunar_Lander> btw, I was told that gpsbee is good and when I use that, I need an xbee shield right?
[22:44] <Upu> I have no idea about that
[22:44] <Lunar_Lander> ah ok
[22:45] <Lunar_Lander> I had an idea I briefly discussed with nigey
[22:45] <Lunar_Lander> the Uno to be connected with NTX2 and GPS
[22:45] <Lunar_Lander> and have a arduino mega for all the sensors and data recording
[22:46] <Upu> multiprocessor :)
[22:47] <Lunar_Lander> yeah :)
[22:47] <Lunar_Lander> btw, in the sparkfun channel
[22:47] <Lunar_Lander> <flyback> UN voted for qaddaffi to eat shit
[22:47] <Upu> haha
[22:50] <Lunar_Lander> yeah
[22:50] <Lunar_Lander> 6.33pm ET: Here's the result: 10 in favour, zero against, five abstentions. So the vote went exactly as predicted. "The resolution 1973/2011 is adopted.," says the chairman.
[22:50] <Lunar_Lander> Now there are more statements. Lebanon to speak first.
[22:55] <fsphil> 2 hours until messenger enters mercury orbit
[22:56] <NigeyS> Reports suggest air strikes may begin within hours of the resolution passing.
[22:56] <NigeyS> uhoh
[22:56] <NigeyS> uk and france about to launch some tasty air strikes
[22:57] <fsphil> wait, the UN agreed on something?
[22:57] <Lunar_Lander> yes
[22:57] <NigeyS> i know shocking aint it!
[22:57] <Lunar_Lander> agreeing are
[22:57] <Lunar_Lander> Permanent members: United States, Britain, France
[22:57] <Lunar_Lander> Non-permanent members:: Bosnia and Herzegovina, Colombia, Gabon, Lebanon, Nigeria, Portugal, South Africa
[22:57] <Lunar_Lander> abstentions: Permanent members: Russia, China
[22:57] <Lunar_Lander> Non-permanent members: Germany, Brazil, India
[22:57] <fsphil> germany isn;t a permanent member?
[22:58] <Lunar_Lander> yes
[22:58] <Lunar_Lander> it was big news that we got a seat in the council
[22:58] <Lunar_Lander> and canada didn't
[22:59] <NigeyS> http://edition.cnn.com/video/flashLive/live.html?stream=stream2&hpt=T2
[23:02] Action: SpeedEvil idly wonders about a NASA TV stream live at mercury.
[23:02] <SpeedEvil> Probably unlikely :)
[23:02] <Lunar_Lander> xD
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[23:03] <SpeedEvil> Is this the first mercury orbiter?
[23:03] <fsphil> I got excited when I heard the next mars rover will be recording a video of the landing -- but it's only like 1 fps
[23:03] <fsphil> SpeedEvil, yep
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[23:04] <fsphil> mars needs a good dedicated communications satellite -- something fast enough for HD video :)
[23:04] <Lunar_Lander> yeah
[23:04] <Lunar_Lander> they cancelled that
[23:05] <fsphil> some of it got added to MRO didn't it?
[23:05] <Upu> I hate Entanet
[23:05] <fsphil> eek
[23:05] <Upu> http://www.speedtest.net/result/1207335979.png
[23:05] <Upu> look at that
[23:05] <Upu> thats me now
[23:05] <fsphil> that's my top speed :p
[23:06] <Upu> thats been 1Mb/sec down 8Mb/sec UP all day
[23:06] <SpeedEvil> Upu: bastard.
[23:06] <Upu> and when you proxy out via port 5060 (VOIP) speed is perfect
[23:06] <Upu> they are doing some sort of shitty filtered on port 80
[23:06] <Upu> however at night it's rock and roll :)
[23:07] <Lunar_Lander> someone I know thinks that the invasion will have a bad ending
[23:07] <Lunar_Lander> he talks something about how the west likes that dictator and the oil and it would only be a strike against the oppositions
[23:07] <Lunar_Lander> strange stuff
[23:07] <fsphil> urg, http://www.speedtest.net/result/1207338021.png
[23:07] <Upu> thats a good upload you on fibre too ?
[23:07] <fsphil> my upload is faster than my download .. eh
[23:07] <fsphil> yep Upu
[23:08] <Upu> thats broken mate :)
[23:08] <fsphil> totally lol
[23:08] <Upu> which ISP are you on ?
[23:08] <fsphil> aaisp
[23:08] <fsphil> I think it's my router tbh
[23:08] <Upu> ok you got access to a linux box ?
[23:08] <Upu> in a colo lo some place
[23:08] <fsphil> do aye
[23:08] <Upu> ok make the SSH listen on port 5060
[23:08] <Upu> then use putty to tunnel out to this
[23:09] <Upu> then put in a socks proxy and rerun the speed test
[23:09] <SpeedEvil> http://www.speedtest.net/result/1207339766.png
[23:09] <Upu> will tell you if they a traffic managing port 80
[23:09] <Upu> Speed be careful not to type too quickly in case you saturate that
[23:09] <fsphil> lol
[23:10] <fsphil> I should plug the laptop into the bt modem directly
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[23:10] <fsphil> see if it is infact my router being a pain
[23:10] <Upu> put
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[23:10] <NigeyS> http://www.speedtest.net/result/1207341741.png
[23:11] <SpeedEvil1> http://www.speedtest.net/result/1207341407.png on my other connection
[23:11] <SpeedEvil1> (with a lower quota)
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[23:12] <Upu> ok I'm off night all
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[23:13] Nick change: SpeedEvil1 -> SpeedEvil
[23:13] <SpeedEvil> WAve!
[23:13] <MrCraig> night upu
[23:13] <MrCraig> and night all, I'm out too
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[23:14] <Lunar_Lander> 7.05pm ET: There's some very impressive singing in central Benghazi, accompanied by celebratory gunfire, right now.
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[23:14] <SpeedEvil> I misread that as belgium.
[23:14] <SpeedEvil> Which confused me.
[23:14] <Lunar_Lander> yeah
[23:16] <Lunar_Lander> when the opposition wins
[23:16] <Lunar_Lander> I hope they get their old flag back
[23:16] <Lunar_Lander> instead of that green cloth
[23:17] <SpeedEvil> It's really simple to make though.
[23:17] MI6VIM (~phil@2001:8b0:34:1:21f:c6ff:fe44:b25b) joined #highaltitude.
[23:17] <MI6VIM> oops
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[23:18] Nick change: MI6VIM -> fsphil
[23:18] <fsphil> much better without the router
[23:18] <Lunar_Lander> yeah SpeedEvil
[23:18] <fsphil> http://www.speedtest.net/result/1207347666.png
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[23:42] <juxta> fsphil, that's pretty decent :)
[23:42] <fsphil> I'm pretty happy with it :) just need a router that can match it
[00:00] --- Fri Mar 18 2011