highaltitude.log.20090813

[00:05] <Laurenceb> launch soon?
[00:05] <natrium42> YES
[00:05] <natrium42> :D
[00:05] <Laurenceb> coolio
[00:05] Action: Laurenceb is going to email the register and offer to help with their plane
[00:06] Action: natrium42 breaks his poking stick in half and gives one half to Laurenceb
[00:06] <Laurenceb> why?
[00:07] <natrium42> go forth my son and poketh DanielRichman & sbasuita
[00:07] <Laurenceb> oh :P
[00:07] <Laurenceb> I'm looking for a ride for my test HAB
[00:07] <natrium42> rogallo?
[00:07] Action: DanielRichman uses Ducttape on lazer pointer & poking stick
[00:08] Action: DanielRichman uses laser-sighted-poking-stick on Alex Breton
[00:08] <Laurenceb> but I wont trouble DanielRichman and co
[00:08] <natrium42> yah, it's their first launch
[00:08] <Laurenceb> natrium42: chipcon based radio and ublox5
[00:08] <natrium42> they will have hands full
[00:08] <natrium42> chipcon?
[00:08] <Laurenceb> I want to see how well it works
[00:08] <Laurenceb> ti 433 mhz transceiver ic
[00:09] <natrium42> ah, cool
[00:12] ShellEvil (n=user@tor/regular/SpeedEvil) joined #highaltitude.
[00:16] <Laurenceb> I dont quite get what they are trying to do... but it cant help to at least offer my assistance
[00:17] <Laurenceb> I'll probably ring them
[00:17] <hallam> Laurenceb: I really wouldn't bother if I were you
[00:17] <hallam> they're sarky bastards
[00:17] <hallam> we had some contact with them before
[00:18] <Laurenceb> oh right
[00:18] <Laurenceb> thanks for the tip
[00:20] Nick change: hallam -> hallam|testing
[00:24] DanielRichman (n=DanielRi@cpc3-cbly2-0-0-cust261.glfd.cable.ntl.com) left irc: Remote closed the connection
[00:30] Laurenceb (n=laurence@host86-159-200-131.range86-159.btcentralplus.com) left irc: Remote closed the connection
[00:37] Nick change: ShellEvil -> SpeedEvil
[00:43] kleinjt (n=kleinjt@lug-0.csse.rose-hulman.edu) left irc: Read error: 110 (Connection timed out)
[01:12] ms7821 (n=ms@87-194-6-74.bethere.co.uk) left irc: Read error: 110 (Connection timed out)
[01:16] GeekShadow (n=Antoine@reactos/tester/GeekShadow) left irc: "The cake is a lie !"
[01:16] sbasuita (n=sbasuita@unaffiliated/drebellion) left irc: Remote closed the connection
[01:23] ChezaWho (n=chezawho@adsl-99-38-181-246.dsl.pltn13.sbcglobal.net) left irc:
[01:49] Nick change: KingJ -> kingj
[03:22] Nick change: hallam|testing -> hallam
[03:43] ls8 (n=lukas@CPE001c10342799-CM001ac316dba0.cpe.net.cable.rogers.com) left irc: Read error: 60 (Operation timed out)
[03:44] ls8 (n=lukas@CPE001c10342799-CM001ac316dba0.cpe.net.cable.rogers.com) joined #highaltitude.
[03:50] ls8 (n=lukas@CPE001c10342799-CM001ac316dba0.cpe.net.cable.rogers.com) left #highaltitude ("Quit").
[05:36] ChezaWho (n=chezawho@adsl-63-197-2-193.dsl.snfc21.pacbell.net) joined #highaltitude.
[06:19] ChezaWho (n=chezawho@adsl-63-197-2-193.dsl.snfc21.pacbell.net) left irc:
[06:24] Simon-MPFH (n=simon@phantom.mpfh.co.uk) joined #highaltitude.
[07:23] jcoxon (n=jcoxon@host86-158-31-114.range86-158.btcentralplus.com) joined #highaltitude.
[07:25] <jcoxon> hey natrium42
[07:25] <natrium42> yo
[07:25] <jcoxon> just saying hi
[07:26] <jcoxon> how are things?
[07:26] <natrium42> good, almost finished my usb stepper firmware
[07:27] <natrium42> very tight fit -- 97.5% of flash used
[07:27] <jcoxon> wow that is tight
[07:28] ms7821 (n=ms@87-194-6-74.bethere.co.uk) joined #highaltitude.
[08:06] hallam (n=hallam@c-67-169-9-130.hsd1.ca.comcast.net) left irc: Read error: 60 (Operation timed out)
[08:45] edmoore (i=836f0142@gateway/web/freenode/x-5460702d387adeb5) joined #highaltitude.
[09:09] rjharrison (n=rharriso@gateway.hgf.com) joined #highaltitude.
[09:09] <rjharrison> Hey jcoxon
[09:09] <rjharrison> So you're back in one piece then
[09:10] <jcoxon> indeed
[09:11] <jcoxon> once quite a journey
[09:12] <edmoore> hi jcoxon
[09:12] <edmoore> how's it going - I take it you're in africa now?
[09:13] <jcoxon> no i'm just back from glasgow
[09:15] <jcoxon> africa on monday
[09:15] <jcoxon> doing my final admin stuff
[09:15] <jcoxon> found out that vodafone will want 1.30 per min for calls from africa
[09:15] Action: jcoxon searches to unlock his phone...
[09:30] <jcoxon> wow, vodafone actually gave me the unlock code
[09:30] <edmoore> that was nice of them
[09:30] <edmoore> just make very short calls:)
[09:31] <rjharrison> How much data can you encode in a text message
[09:31] <jcoxon> i'll get a ghanain sim card
[09:32] <jcoxon> rjharrison, not much, sms is famously the most expensive form of communication
[09:33] <edmoore> you can put a picture in a text message!
[09:33] <rjharrison> You're in the north/east of ghana iirc
[09:34] <edmoore> http://stackoverflow.com/questions/891643/twitter-image-encoding-challenge
[09:37] <jcoxon> rjharrison, yes,http://maps.google.co.uk/maps?f=q&source=s_q&hl=en&q=10.524722,+-0.375278&vps=2&jsv=171b&sll=51.498033,-0.05296&sspn=0.007026,0.017788&ie=UTF8&geocode=FTKYoAAdEkb6_w&split=0
[09:40] <rjharrison> humm sandy... Seems to have had a hires sat pass to the right
[09:40] <jcoxon> yeah you can see the hospital
[09:40] <jcoxon> its the complex in the SE of hte village
[09:42] <jcoxon> i should get internet about once a week
[09:43] <jcoxon> so will be in email contatct
[09:51] GeekShadow (n=Antoine@reactos/tester/GeekShadow) joined #highaltitude.
[09:55] #highaltitude: mode change '+o jcoxon' by ChanServ!ChanServ@services.
[09:55] #highaltitude: mode change '+o rjharrison' by ChanServ!ChanServ@services.
[09:55] #highaltitude: mode change '-o jcoxon' by ChanServ!ChanServ@services.
[09:56] #highaltitude: mode change '-o rjharrison' by ChanServ!ChanServ@services.
[10:09] jiffe99 (n=jiffe2@209.159.247.189) left irc: Read error: 104 (Connection reset by peer)
[10:21] hallam (n=hallam@adsl-76-254-64-205.dsl.pltn13.sbcglobal.net) joined #highaltitude.
[10:27] <rjharrison> jcoxon R U ar the Baptist Medical Centre?
[10:27] <rjharrison> at
[10:35] <jcoxon> yes
[10:44] <jcoxon> bbl
[10:44] jcoxon (n=jcoxon@host86-158-31-114.range86-158.btcentralplus.com) left irc: "Leaving"
[10:59] icez (n=icez@unaffiliated/icez) left irc: Remote closed the connection
[11:02] Action: SpeedEvil learns that the national phone provider is vodaphone ghana
[11:06] ms7821 (n=ms@87-194-6-74.bethere.co.uk) left irc:
[11:09] DanielRichman (n=DanielRi@cpc3-cbly2-0-0-cust261.glfd.cable.ntl.com) joined #highaltitude.
[11:13] Simon-MPFH (n=simon@phantom.mpfh.co.uk) left irc: "Leaving"
[11:30] rjharrison (n=rharriso@gateway.hgf.com) left #highaltitude.
[11:31] petrinm (n=petrinm@C230-72.surffi.net) joined #highaltitude.
[11:33] Laurenceb (n=laurence@host86-159-200-131.range86-159.btcentralplus.com) joined #highaltitude.
[11:33] <Laurenceb> hi
[11:39] <edmoore> cc1111 is doing rtty!
[11:40] <Laurenceb> sweet
[11:42] <SpeedEvil> :)
[11:42] hallam (n=hallam@adsl-76-254-64-205.dsl.pltn13.sbcglobal.net) left irc:
[11:42] <SpeedEvil> Hmm - 7p/min for calls from ghana to UK. Not bad.
[11:42] <SpeedEvil> (http://www.vodafone.com.gh/Personal/Mobile-Plans/Rates.aspx)
[11:45] <SpeedEvil> Also - 4p/text.
[11:45] <SpeedEvil> Not bad at all
[11:52] <Laurenceb> edmoore: how are you managing that?
[11:52] <Laurenceb> and whats the baud rate?
[11:56] Nick change: kingj -> KingJ
[11:56] <Laurenceb> gtg
[11:56] Laurenceb (n=laurence@host86-159-200-131.range86-159.btcentralplus.com) left irc: Remote closed the connection
[11:59] ms7821 (n=ms@host217-34-43-31.in-addr.btopenworld.com) joined #highaltitude.
[12:54] neontube (n=neontube@neontube.plus.com) joined #highaltitude.
[15:23] <SpeedEvil> http://netinsanity.com/files/2009/02/dragon2.jpg Todays randomness.
[16:29] ChezaWho (n=chezawho@adsl-63-197-2-193.dsl.snfc21.pacbell.net) joined #highaltitude.
[16:29] petrinm_ (n=petrinm@C228-140.surffi.net) joined #highaltitude.
[16:32] petrinm (n=petrinm@C230-72.surffi.net) left irc: Read error: 110 (Connection timed out)
[16:36] Nick change: petrinm_ -> petrinm
[16:58] rjharrison (n=rharriso@gateway.hgf.com) joined #highaltitude.
[16:58] jcoxon (n=jcoxon@host86-158-31-114.range86-158.btcentralplus.com) joined #highaltitude.
[17:00] <rjharrison> jcoxon looks like things are going to be a little tricky on the internet front
[17:01] <rjharrison> I found one reference to internet at the BMC so you may be lucky but speeds are a little slow :)
[17:04] <jcoxon> rjharrison, oh i know
[17:04] <jcoxon> they probably just need their sat interet system rejigged a bit
[17:04] <jcoxon> + there are internet cafes everywhere
[17:04] <jcoxon> well sort of everywhere - 2hrs or so away :-p
[17:07] <rjharrison> lol
[17:09] <rjharrison> It all looks a bit religious to me there but what ever floats your boat. Looks like you will be getting involved in some good procedures out there. I'm assuming your going to be taking some spare gloves with you
[17:10] <jcoxon> the religion part isn't meant to be too overwhelming
[17:10] <jcoxon> yes i've got 2 boxes of gloves
[17:11] <rjharrison> Well it looks like an adventure and a half will be keeping an eye on your flickr account
[17:12] <jcoxon> hehe, doubt i'll get enough bandwidth :-p
[17:12] <SpeedEvil> jcoxon: phonecards actually look cheap
[17:12] <jcoxon> will try
[17:12] <SpeedEvil> jcoxon: which is nice
[17:12] <SpeedEvil> SIMs that is
[17:12] <jcoxon> SpeedEvil, yes i suspected they would be relatively reasonable
[17:12] <jcoxon> lots of ghanaians have relatives in hte UK
[17:12] <SpeedEvil> to the UK - it's on a par with UK mobile rates
[17:13] rjharrison (n=rharriso@gateway.hgf.com) left irc:
[17:16] jcoxon (n=jcoxon@host86-158-31-114.range86-158.btcentralplus.com) left irc: "Leaving"
[17:19] Simon-MPFH (n=simon@phantom.mpfh.co.uk) joined #highaltitude.
[17:23] DanielRichman (n=DanielRi@cpc3-cbly2-0-0-cust261.glfd.cable.ntl.com) left irc: Remote closed the connection
[17:29] ms7821 (n=ms@host217-34-43-31.in-addr.btopenworld.com) left irc: Read error: 104 (Connection reset by peer)
[17:36] edmoore (i=836f0142@gateway/web/freenode/x-5460702d387adeb5) left irc: Ping timeout: 180 seconds
[17:37] ms7821 (n=ms@host217-34-43-31.in-addr.btopenworld.com) joined #highaltitude.
[17:57] kleinjt (n=kleinjt@addiator.rose-hulman.edu) joined #highaltitude.
[17:57] binky (i=9dfe62cb@gateway/web/freenode/x-37fd7c3345a24d3d) joined #highaltitude.
[18:26] edmoore (n=ed@oort.chu.cam.ac.uk) joined #highaltitude.
[18:26] #highaltitude: mode change '+o edmoore' by ChanServ!ChanServ@services.
[18:27] #highaltitude: mode change '-o edmoore' by ChanServ!ChanServ@services.
[18:35] Action: natrium42 gives channel operator status to edmoore
[18:36] <edmoore> that's really kind of you, thank you
[18:36] <edmoore> i don't actually want it
[18:36] <natrium42> :)
[18:36] <edmoore> i thin it's just incase a plague of wilderbeest storm and trample the channel whilst james is away
[18:37] <natrium42> yep
[18:49] rjharrison_home (n=rharriso@80.176.172.227) joined #highaltitude.
[18:49] SpikeUK (n=chatzill@host86-136-203-141.range86-136.btcentralplus.com) joined #highaltitude.
[18:49] edmoore (n=ed@oort.chu.cam.ac.uk) left irc:
[19:22] Xenion (n=robert@p579FC81A.dip.t-dialin.net) joined #highaltitude.
[19:30] ChezaWho (n=chezawho@adsl-63-197-2-193.dsl.snfc21.pacbell.net) left irc: Read error: 104 (Connection reset by peer)
[19:30] ChezaWho (n=chezawho@adsl-63-197-2-193.dsl.snfc21.pacbell.net) joined #highaltitude.
[19:44] RocketBoy (n=Steve@217.47.75.8) joined #highaltitude.
[19:45] ms7821 (n=ms@host217-34-43-31.in-addr.btopenworld.com) left irc: Read error: 110 (Connection timed out)
[19:45] <SpikeUK> Hey RocketBoy!
[19:46] <RocketBoy> yo
[19:48] ChezaWho (n=chezawho@adsl-63-197-2-193.dsl.snfc21.pacbell.net) left irc: Connection timed out
[19:48] <SpikeUK> RocketBoy - I was very impressed with your description of the comms stuff here the other day! Helped me a lot to understand how this is working
[19:48] <SpikeUK> I was struggling with the concept of using a NBFM Tx and a SSB Rx
[19:49] <RocketBoy> yeah - thats a difficult one to get your head round
[19:50] <RocketBoy> basically if you use a SSB rx with a just a carrier signal you will get a tone
[19:51] <RocketBoy> if the carrier shifts by 200Hz then the tone will shift by 200Hz
[19:52] <RocketBoy> so the FM tx is just shifting the carrier a bit - we just adjust this to be a few hundred Hz rather than the normal KHz
[19:52] <SpikeUK> happy with it now though FSK ). Has anyone tried straight CW? A tone for the mark and nothing for the space?
[19:52] <RocketBoy> yeah we have tried CW on a few flights
[19:53] ms7821 (n=ms@87-194-6-74.bethere.co.uk) joined #highaltitude.
[19:53] <RocketBoy> results are high;y dependant on the rx setup
[19:53] <RocketBoy> - I think fldigi give the best results (or human ear)
[19:53] <SpikeUK> I can see that!
[19:54] <RocketBoy> its very simple and easy to code
[19:54] <SpikeUK> Any benefit in only using 200Hz shift?
[19:55] <RocketBoy> actually there is a lot in choosing the right shift
[19:55] <RocketBoy> but tea has arrived - back shortly
[19:57] <SpikeUK> Oooh tea!
[19:57] icez (n=icez@unaffiliated/icez) joined #highaltitude.
[19:58] <rjharrison_home> SpikeUK we tend to use 400Hz shift
[19:58] <rjharrison_home> which falls back to about 320 at altitude
[20:00] <SpikeUK> Ok. Thanks for that! Has anyone got any detail of the NTX2 freq/temp characteristics?
[20:01] <rjharrison_home> I have found the two Rs of 11K and ~30K connected to two uC pins give about 400Hz. These can be toggled high and low for the binary value of the char to give you RTTY
[20:01] <rjharrison_home> Basically the freq drifta a bit and the shift gets smaller with altitude
[20:02] <rjharrison_home> RTTY is actually easier to code than morse
[20:03] hallam (n=hallam@c-67-169-9-130.hsd1.ca.comcast.net) joined #highaltitude.
[20:03] <SpikeUK> rjharrison_home That's a bit vague ;-) Why do you use two O/Ps of the uC - one for mark, and one for space. Shirley one is the reciprocal of the other?
[20:04] Nick change: hallam -> hallam|fire
[20:04] <rjharrison_home> Just for ease SpikeUK but you can do it from one pin sure
[20:04] <hallam|fire> rjharrison_home: discussing the NTX2?
[20:04] <rjharrison_home> hallam|fire yep
[20:05] <SpikeUK> Hi hallam|fire
[20:05] <hallam|fire> hi SpikeUK
[20:06] <hallam|fire> because the NTX2 TXD pin wants e.g. 1.5V for mark and 1.3V for space (to get the right frequency spacing) it may be easier to achieve that with two pins and a few resistors
[20:06] binky (i=9dfe62cb@gateway/web/freenode/x-37fd7c3345a24d3d) left #highaltitude.
[20:08] <SpikeUK> But can' you do it with one pin and three resistors?
[20:08] <SpikeUK> A ATMega can source as well as sink current?
[20:12] gordonjc1 (n=gordonjc@symmetria.fi) joined #highaltitude.
[20:13] Nick change: gordonjc1 -> gordonjc[
[20:13] Nick change: gordonjc[ -> gordonjcp
[20:24] <SpikeUK> Dear all! I've signed-up to do BarCampBrighton http://www.barcampbrighton.org/ this year. I need a subject for a 30min talk. Do you think anyone would object if I briefly described the UK HAB sceen..
[20:25] <SpikeUK> .. and the fascinating mixture of skills and technologies? - Please pass this on if you would. Ta
[20:25] <SpikeUK> "sceen" = "scene"
[20:27] Simon-MPFH (n=simon@phantom.mpfh.co.uk) left irc: Read error: 104 (Connection reset by peer)
[20:28] Simon-MPFH (n=simon@phantom.mpfh.co.uk) joined #highaltitude.
[20:34] <RocketBoy> back
[20:36] petrinm (n=petrinm@C228-140.surffi.net) left #highaltitude.
[20:41] SpikeUK (n=chatzill@host86-136-203-141.range86-136.btcentralplus.com) left irc: "ChatZilla 0.9.85 [Firefox 3.0.13/2009073022]"
[20:53] <hallam|fire> hi RocketBoy
[20:55] <RocketBoy> yo hallam|fire
[20:56] Action: RocketBoy imagines hallam working in a fireplace
[20:56] <hallam|fire> forest fire actually
[20:56] <hallam|fire> we're going to have to evacuate soon
[20:56] <RocketBoy> oh wow - west coast of the states then?
[20:57] <hallam|fire> yep
[21:03] <natrium42> hallam|fire, you are into forestry?
[21:03] <hallam|fire> natrium42: not especially
[21:03] <hallam|fire> but I am living in a forest
[21:04] <hallam|fire> I guess I get to say "brb fire"
[21:04] <RocketBoy> bbl - reaper
[21:05] <natrium42> no two people have their pants on fire
[21:20] Xenion (n=robert@p579FC81A.dip.t-dialin.net) left irc: Read error: 101 (Network is unreachable)
[21:21] Xenion (n=robert@p579FCBA7.dip.t-dialin.net) joined #highaltitude.
[21:29] natrium42 (n=alexei@CPE000625d867e2-CM0014045885be.cpe.net.cable.rogers.com) left irc: "My other car is a cdr."
[21:30] Simon-MPFH (n=simon@phantom.mpfh.co.uk) left irc: "Leaving"
[22:01] neontube (n=neontube@neontube.plus.com) left irc: Remote closed the connection
[22:09] Xenion (n=robert@p579FCBA7.dip.t-dialin.net) left irc: "Verlassend"
[22:14] edmoore (n=ed@oort.chu.cam.ac.uk) joined #highaltitude.
[22:15] edmoore_ (n=ed@oort.chu.cam.ac.uk) joined #highaltitude.
[22:16] edmoore (n=ed@oort.chu.cam.ac.uk) left irc: Read error: 113 (No route to host)
[22:26] hmh33 (n=hallam@c-67-169-9-130.hsd1.ca.comcast.net) joined #highaltitude.
[22:32] DanielRichman (n=DanielRi@cpc3-cbly2-0-0-cust261.glfd.cable.ntl.com) joined #highaltitude.
[22:33] <DanielRichman> rjharrison_home, got that serial link?
[22:39] hallam|fire (n=hallam@c-67-169-9-130.hsd1.ca.comcast.net) left irc: Read error: 113 (No route to host)
[22:48] Laurenceb (n=laurence@host86-159-200-131.range86-159.btcentralplus.com) joined #highaltitude.
[22:48] <Laurenceb> hi
[22:54] <Laurenceb> http://news.bbc.co.uk/1/hi/uk_politics/8199615.stm <- flamewar
[22:57] <gordonjcp> heh
[22:57] <gordonjcp> this from a country where you can be stripped of your life savings by the medical bills for stubbing your toe
[22:58] <KingJ> Yeah, I don't get why the US is so against socialised health care.
[23:00] natrium42 (n=alexei@74.198.8.70) joined #highaltitude.
[23:02] edmoore_ (n=ed@oort.chu.cam.ac.uk) left irc:
[23:04] <Laurenceb> http://www.tatjavanvark.nl/tvv5/platfrm2.html
[23:08] hmh33 (n=hallam@c-67-169-9-130.hsd1.ca.comcast.net) left irc: Read error: 113 (No route to host)
[23:31] RocketBoy (n=Steve@217.47.75.8) left irc: "Leaving"
[23:40] SpeedEvil (n=user@tor/regular/SpeedEvil) left irc: Read error: 110 (Connection timed out)
[23:42] ShellEvil (n=user@tor/regular/SpeedEvil) joined #highaltitude.
[00:00] --- Fri Aug 14 2009