highaltitude.log.20100513

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[09:34] <rharrison> .
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[10:47] <SpeedEvil> awesome. Someone got USB host on n900 working.
[10:58] <russss> is this news? It was always possible on the 800 and the 810
[10:58] <russss> I'm a bit pissed off that my Nexus One doesn't have host mode support.
[11:03] <SpeedEvil> yes.
[11:03] <SpeedEvil> regrettably it is
[11:03] <SpeedEvil> they launched it without due to certification reasons.
[11:04] <SpeedEvil> However - it seems that powered host mode works - it's just not enabled.
[11:04] <russss> how odd
[11:04] <SpeedEvil> Certification reasons.
[11:04] <SpeedEvil> They couldn't get USB certification with it for some reason.
[12:13] <rharrison> junderwood, you going up tomorrow?
[12:13] <junderwood> No. Sorry.
[12:13] <rharrison> can you end me a sentance or two to run through the parser to make sure all is well.
[12:13] <rharrison> Ok np
[12:13] <rharrison> I'm going up saturday
[12:13] <junderwood> Will do. I've not made the format change yet.
[12:14] <rharrison> np
[12:14] <junderwood> Enjoy. I'm flying to the USA tomorrow so I'll watch out for you!
[12:15] <juxta|console> I'm hoping I'll be done with all this moving & renovating business this weekend, then tidying up a few loose ends next week & be launching again soon :)
[12:16] <juxta|console> what's your launch Rob?
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[12:39] <jcoxon> afternoon all
[12:39] Action: jcoxon is popping in while doing practice questions
[12:40] <juxta|console> hey jcoxon
[12:41] <juxta|console> how are the exams coming along?
[12:41] <jcoxon> got my writtens on monday and tuesday next week
[12:42] <jcoxon> then my practical on 1st June - then am finished
[12:43] <juxta|console> excellent - is that it for you, or do you have more exams ahead in later semesters?
[12:44] <jcoxon> well these are my finals for university
[12:44] <jcoxon> (well they are my second finals - did my first finals 3 years ago :-D )
[12:44] <jcoxon> so i'll qualify hopefully 1st July
[12:44] Action: jcoxon has been at uni a long time
[12:45] <Randomskk> you crazy medics :P
[12:46] <jcoxon> yeah
[12:46] <Randomskk> what clinical school did you go to?
[12:46] <jcoxon> I did my preclincal at Cambridge and am currently at King's London
[12:46] <Randomskk> nice
[12:46] <juxta|console> oh righto - so you're doing an internship now?
[12:47] <jcoxon> juxta|console, its a bit different here - I'll be a doctor on 1st July (fingers crossed) and will have to work a year to become registered
[12:48] <juxta|console> oh brilliant, good stuff :)
[12:48] <SpeedEvil> Indeed! :)
[12:48] <jcoxon> hate revision - desperate to do some ballooning - i've got a great idea for a latex balloon valve
[12:48] <juxta|console> where do you work during that time? a hospital or just a general clinic?
[12:49] <jcoxon> hospital
[12:50] <jcoxon> will be working in Worthing Hospital on the south coast from august
[12:51] <juxta|console> how's the south coast for launches? ;)
[12:51] <jcoxon> hehe not great
[12:52] <juxta|console> ah well, should be easy to reach France :)
[12:53] <jcoxon> indeed
[12:53] <jcoxon> nowhere is far in the UK , will just go up to cambridge :-)
[12:53] <jcoxon> of course I'll be in the trap of more money but no time
[13:06] <jcoxon> juxta|console, launching soon?
[13:07] <juxta|console> sigh
[13:07] <juxta|console> hoping to
[13:07] <juxta|console> kept busy with renovating and moving
[13:08] <jcoxon> reflying the multiple baud rate payload?
[13:08] <juxta|console> will be, yup
[13:08] <juxta|console> it's sitting in my drawer at home :)
[13:08] <jcoxon> hehe
[13:08] <juxta|console> just need to rethink the box so it doesnt fill up with water this time :P
[13:08] <jcoxon> I still have the flight computer for Pegasus VI sitting around
[13:09] <jcoxon> and that flew in 2008
[13:10] <juxta|console> hehe
[13:10] <jcoxon> i've got 3 flights lined up in my head
[13:10] <jcoxon> though they might get combined a bit
[13:11] <jcoxon> got to launch BallastHalo 5 and prove that my ballast tanks work!
[13:12] <juxta|console> awesome
[13:12] <juxta|console> yeah I have a sponsor onboard now too :)
[13:12] <jcoxon> lucky you!
[13:12] <juxta|console> hurrah!
[13:12] <jcoxon> hehe
[13:12] <juxta|console> well, still to finalise the details
[13:12] <jcoxon> i think rharrison is going for the alt record this weekend
[13:12] <juxta|console> but yeah
[13:12] <juxta|console> oh nice
[13:13] <rharrison> Yep I'm launching this w/e
[13:13] <juxta|console> whoops
[13:13] <juxta|console> wrong window there, discussing the merrits of my boss, haha
[13:13] <juxta|console> wait, oh my
[13:13] <juxta|console> I'm so confused here
[13:14] <juxta|console> in any case, i'm hoping to test my carputer soon jcoxon
[13:14] <jcoxon> yeah i saw pictures of that :-D
[13:15] <juxta|console> it's presently in use at my parents house as a router for a 3G service owing to the fact that the carrier is taking an eternity to hook up a phone line & hence dsl
[13:15] <juxta|console> i should get it back soon though :)
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[14:37] <Colin____> Afternoon
[14:37] Nick change: Colin____ -> G8TMV
[14:38] <G8TMV> Is there a list of upcoming launches somewhere?
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[14:41] <SpeedEvil> It's not really that concrete.
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[14:42] <SpeedEvil> Fundamentally, as the weather tends to not cooperate often.
[14:42] <SpeedEvil> rharrison is planning a launch this weekend reportedly.
[14:42] <G8TMV> SpeedEvil: I understand that, however isn't there even a list of which teams are planning a launch?
[14:44] <SpeedEvil> Not as far as I'm aware.
[14:48] <G8TMV> I was surprised there wasn't something on the Wiki
[14:49] <SpeedEvil> For whatever reason - here has seemed to end up as the list
[14:55] <edmoore> I think as people do more launches they become a bit more spontaneous
[14:55] <edmoore> whereas people spend *months* planning their first launch
[14:56] <edmoore> G8TMV: is there something you're particularly interested in following, eg from a tech PoV?
[14:56] Action: G8TMV nods
[14:57] <G8TMV> actually, edmoore I was talking to someone at work and his son goes to Sawston Village college, they are going to try and get a project going there
[14:57] <edmoore> ah right
[14:57] <jiffe> http://arhab.org/ARHABlaunchannouncements.html has some
[14:57] <edmoore> who was that, if you don't mind me asking? (I am from Camb so might have bumped into them)
[14:57] <G8TMV> Also work (ARM Ltd) are interested because they'd like to use it as an "Mbed" demo project
[14:58] <G8TMV> edmoore: I realise that (so am I)
[14:58] <rharrison> hehe I have an bmed which might be going up soon
[14:58] <edmoore> colin?
[14:58] <G8TMV> yes
[14:58] <edmoore> :)
[14:58] <G8TMV> we should meet for a beer and chat
[14:59] <rharrison> mbed
[14:59] <edmoore> I'd be completely up for that
[14:59] <edmoore> am I right in thinking the mbed is an LPC2368?
[15:00] <G8TMV> No, it's an ARM M3
[15:00] <rharrison> LPC1768
[15:00] <edmoore> ah ok
[15:00] <edmoore> we run the 2368 on our flight computer
[15:00] <G8TMV> we got NXP to build them for us since we don't actually do manaf
[15:00] <edmoore> the hardware sd card interface is a joyous thing
[15:01] <edmoore> http://www.flickr.com/photos/cuspaceflight/4362704812/sizes/l/ is our flight comp with the 2368 being fairly obviously the big thing in the middle-left
[15:01] <G8TMV> There is going to be an ARM based one of these soon too http://www.cypress.com/?id=1353
[15:02] <rharrison> Is that a bloody big cap for the pyro at the top
[15:02] <edmoore> that's very interesting, I've been wanting to mess with the PSoC stuff for a while. the filter design stuff is very sppealing indeed
[15:02] <edmoore> rharrison: it certainly helps with that, yup
[15:03] <edmoore> but the gumstix makes a bit of a mess on the power line too
[15:04] <G8TMV> rharrison: are you planning a launch this weekend?
[15:04] <rharrison> Yep
[15:04] <rharrison> Sat
[15:04] <G8TMV> which day?
[15:04] <rharrison> 0900utc
[15:05] <G8TMV> Ah, good, because there is a major vhf RSGB contest on Sun
[15:05] <rharrison> hehe
[15:05] <rharrison> What freq
[15:05] <rharrison> range
[15:05] <G8TMV> 2m
[15:05] <rharrison> I'll only be squirting out on 434.075
[15:06] <G8TMV> yes, I was implying that all the trackers will be otherwise engaged
[15:06] <rharrison> Ha good point sir
[15:07] <G8TMV> out of interest - what does the actual balloon cost (since thats the only non-reusuable bit)
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[15:07] <edmoore> ~£50
[15:08] <russss> the helium is non-reusable too ;)
[15:08] <G8TMV> and a gas fill?
[15:08] <edmoore> varies as a function of envelope size
[15:08] <edmoore> same again
[15:08] <G8TMV> is it actually He or is it that stuff they sell as "Balloon Gas"
[15:08] <rharrison> Smwhere between 100 and 450 pounds
[15:09] <rharrison> This w/e is a bit of a big launch so ~ 450
[15:09] <G8TMV> got any details up anywhere?
[15:09] <rharrison> no :)
[15:10] <edmoore> yeah, the balloons get exponentially more expensive as you go up, I think mainly as a function of the market being smaller
[15:10] <rharrison> www.robertharrison.org/icarus has some historical stuff
[15:10] <rharrison> edmoore, you going to be about for launch at ears
[15:11] <edmoore> you will never be spending £450 on a launch though unless you are flying 3kg balloons, which are disproportionately expensive but let you try and chase altitude records, which is an expensive game
[15:11] <rharrison> lol
[15:11] <rharrison> point taken
[15:11] <edmoore> rharrison: probably working I'm afriad, but might be able to pop out if you need a hand
[15:11] <rharrison> No I have assistant
[15:11] <rharrison> Be good to see you though
[15:12] <rharrison> depending on landing may drop in for tea
[15:12] <edmoore> G8TMV: most balloon flights are 1kg, 1.2kg, or 1.5kg balloons, where they mass describes the mass of the latex envelope
[15:12] <rharrison> and your availability
[15:12] <edmoore> and they are of the order of £40-£60
[15:13] Action: G8TMV nods
[15:13] <edmoore> Helium: if you get it from a party shop, probably about £50. You might be able to find someone with an industrial link who has the odd large bottle that needs emptying though
[15:15] <G8TMV> <g> My daughter works for "Air Products"
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[16:25] Nick change: edmoore -> edmoore|away
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[16:52] <rharrison> Yay my logo has come throught
[16:52] <rharrison> Yay my logo has come through
[16:53] <rharrison> http://www.robertharrison.org/icarus/wordpress/wp-content/uploads/2010/05/Icarus.png
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[17:15] <GW8RAK> Nice logo.
[17:16] <GW8RAK> Got my next door graphic artist working on mine.
[17:19] <rharrison> GW8RAK, Thanks! Graphic artists are cool.
[17:20] <rharrison> I have two left hands when it comes to art
[17:20] <GW8RAK> Sometimes they can produce rubbish, but when they get it right, it's stunning.
[17:20] <GW8RAK> I was trying to design the project website last night and got precisely no where.
[17:21] <GW8RAK> But I think I now know what I don't want, so it should be easier from her.
[17:21] <GW8RAK> oops here
[17:22] <GW8RAK> Just about had the onboard computer working and then discovered that the GPS outputs variable field lengths, so it's re-write software time tonight.
[17:26] <SpeedEvil> :)
[17:26] <rharrison> hehe
[17:26] <rharrison> what GPS are you using?
[17:27] <GW8RAK> That wasn't my thoughts when I found it out!
[17:27] <GW8RAK> It is a Locsense LS40EB
[17:27] <rharrison> Ooh. Not heard of them before
[17:28] <GW8RAK> At least they are quoted as working above 60K feet
[17:29] <GW8RAK> But to test the variable length altitude field, a pilot friend has said he'll take it to work and test it to 10Km, so that should proved if I've solved it.
[17:31] <GW8RAK> Oops just realised time. I'll be in the dog house.
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[17:36] <fsphil> ooh agreed about the logo, very nice
[17:38] <rharrison> Hey thanks fsphil
[17:39] <fsphil> is it just for the website, or are you gonna get stickers for the payload?
[17:39] <edmoore|away> 3rded on the logo
[17:39] Nick change: edmoore|away -> edmoore
[17:39] <rharrison> Hey thanks edmoore
[17:39] <rharrison> That has been the best outcome of the media attention so far
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[18:04] <rharrison> I'm taking tomorrow off work to get the payload in shape
[18:04] <edmoore> cool
[18:04] <edmoore> so a serious alt shot then?
[18:04] <edmoore> is this Ic III?
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[18:15] <rharrison> Yep Icarus III with servo camera
[18:16] <edmoore> neat
[18:16] <rharrison> Hey jcoxon you have updated the current launches :)
[18:16] <jcoxon> indeed
[18:16] <jcoxon> though didn't know if it was icarus II or III
[18:16] <rharrison> I will be testing pyro but not connected to balloon to make sure my capacitor less system works
[18:16] <jcoxon> servo camera! on a alt attempt
[18:17] <rharrison> Well you have to have something to see
[18:17] <jcoxon> hehe
[18:17] <rharrison> + it's a paid for launch
[18:17] <jcoxon> hehe, well it'll be a good day for a launch
[18:17] <rharrison> It should be
[18:17] <jcoxon> do email the ukhas list and i'll 'tweet' it
[18:18] <rharrison> I will I have put it to arhab too
[18:18] <jcoxon> oh great
[18:18] <rharrison> I got my logo through today toohttp://www.robertharrison.org/icarus/wordpress/wp-content/uploads/2010/05/Icarus.png
[18:18] <rharrison> http://www.robertharrison.org/icarus/wordpress/wp-content/uploads/2010/05/Icarus.png
[18:18] <jcoxon> oh nice
[18:19] <rharrison> It's a bit star trek but I quite like it
[18:19] <jcoxon> hehe
[18:20] <rharrison> Anyhow CUSF needs some competion on the Tshirt front
[18:22] <fsphil> now that you mention it, it's a bit Klingon!
[18:22] <rharrison> hehe
[18:22] <rharrison> How's it all going jcoxon I guess you're on the final straights
[18:23] <jcoxon> yeah, kicks off on monday
[18:23] <jcoxon> had a poor revision day so though i'd have a break
[18:23] <rharrison> You up to speed?
[18:23] <jcoxon> with what? revision?
[18:23] <rharrison> Oh dear. Well I won't disturb you on Saturday
[18:23] <rharrison> Yep revision
[18:24] <jcoxon> hehe i'll track but will do some work before hand
[18:24] <jcoxon> estimated launch time?
[18:24] <rharrison> Randomskk, you going to be monitoring on Saturday?
[18:24] <rharrison> It would be good to have a gound station with internet access to feed back landing information
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[18:25] <edmoore> I can do a set-up too probably
[18:25] <edmoore> maybe can even get the trackatron up
[18:25] <rharrison> edmoore, that would be coolo
[18:25] <fsphil> that probably sounds cooler than it is?
[18:26] <rharrison> If it's a clear day you should be able to see the balloon
[18:26] <edmoore> fsphil: it's our automatically tracking yagi system
[18:26] <rharrison> It's not going to be far from cambridge
[18:26] <edmoore> its on a rotator and follows the balloon through the sky
[18:26] <fsphil> nope, that is cool
[18:26] <edmoore> http://www.flickr.com/photos/cuspaceflight/4082160869/
[18:27] <edmoore> that's outside on the 5th floor balcony of the engineering dept
[18:27] <edmoore> we also have my mag-mount on the left note
[18:27] <edmoore> and this is just inside http://www.flickr.com/photos/cuspaceflight/4082923928/
[18:27] <edmoore> the balcony is through that door on the left
[18:27] <fsphil> manually driven? or do you feed in the received telemetry to aim it?
[18:27] <edmoore> so we have 2 decoding radios at once
[18:28] <edmoore> it's automagic
[18:28] <edmoore> grabs the latest balloon pos string and points to it
[18:28] <fsphil> impressive
[18:28] <edmoore> right food time!
[18:29] Nick change: edmoore -> edmoore|food
[18:30] Action: rharrison is going home
[18:30] <rharrison> Laters all
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[19:23] Nick change: edmoore|food -> edmoore
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[19:37] <junderwood> edmoore, looks like you need a counterweight at the other end of your trackatron.
[19:37] <junderwood> Maybe an SLR with a long telephoto lens
[19:37] <edmoore> :) it'll hoist a 6m dish w/o counterweight, that thing
[19:38] <edmoore> but when the yagi stack goes on it, we'll have a counter-weight
[19:38] <G8TMV> normally you mount the yagi's on a cross beam so they are centered and it mostly ballances
[19:39] <edmoore> our yagis are shortish as it needs to be a very mobile setup
[19:39] <edmoore> hrm, we could presumably add a more solid and expansive ground plane (a mesh) between each of the yagi reflectors?
[19:39] <G8TMV> you need to use "Flossie" then
[19:40] <edmoore> so we'd have an approximately 1m square wire mesh at the back of the 2 x 2 yagi stack
[19:40] <edmoore> yeah, using Flossie would be fantastic
[19:40] <edmoore> it'd be the ideal HAB machine
[19:40] <G8TMV> http://www.cambridgerepeaters.net/wp-content/uploads/2010/03/2010022711.25.52_thumb.jpg
[19:41] <G8TMV> for those that havn't met her
[19:41] <edmoore> got a pic with the mast up?
[19:41] <G8TMV> err... somewhere - hang on
[19:43] <junderwood> It would make a great chase vehicle.
[19:43] <junderwood> ... providing there are no low bridges :>
[19:43] <G8TMV> Hmm.. can't find it atm
[19:43] <G8TMV> yeah, it's 12 foot tall even when it's stowed
[19:44] <edmoore> although doing anything at EARS I think makes 4WD much more attractive
[19:44] <G8TMV> Ah, http://rinioth.livejournal.com/ about the third article down
[19:44] <edmoore> to get out of EARS last time I had to get up to about 25mph on the field to have anough momentum to carry me up the mud slide onto the farm track
[19:44] <G8TMV> lol
[19:45] <edmoore> oooh pretty
[19:45] <G8TMV> the mast or my daughter ;)
[19:45] <SpeedEvil> http://singularityhub.com/2010/05/12/stanfords-robot-car-slides-into-parking-spot-like-a-badass-video/
[19:45] <SpeedEvil> though you've probably seen it
[19:46] <edmoore> lol at both
[19:47] <G8TMV> Hmm.. my squidpole HF antenna is in there too
[19:52] <Hiena> Ohohohoho... My car mechanic called me, and he said, my car will be roadworthy after the next week. Time to prepare the cabeling, for the poor mans windtunnel rig.
[20:00] <Hiena> Also, time to repair the old cabeling, for the reassembly. The last week removed, one DC/AC inverter, two 8port hub, 8 cigar lighter socket, 8 meter antenna pole, 8 meter 70 Ohm coax cable, with a VHF antenna switch, 6 220Vsocket, a 15" monitor from the passenger area, extra 12V battery, remote engine startet wiring, and under the hood CF lights from the engine compartment, 2 searchlight, and the force measurement rig from the top.
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[20:15] <Lunar_Lander> hello
[20:15] <Lunar_Lander> has RocketBoy been here recently?
[20:18] <Lunar_Lander> thanks
[20:18] <Lunar_Lander> then I have to e-mail him once more
[20:18] <fsphil> dang
[20:18] <stilldavid> fsphil, tough luck :(
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[21:19] <jcoxon> hey, does anyone has the Eagle footprint for the fsa03 gps module?
[21:38] <Lunar_Lander> hello jcoxon
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[21:51] <earthshine> evening
[21:52] <natrium42> yo
[21:52] <earthshine> hey natrium42
[21:52] <jcoxon> earthshine, do you have the eagle footprint for the fsa03
[21:52] <jcoxon> ?
[21:53] <earthshine> i have a library for eagle
[21:53] <earthshine> didn't i already send that to you ?
[21:53] <natrium42> jcoxon, didn't you need to study? :)
[21:53] <jcoxon> natrium42, yeah...
[21:53] <jcoxon> ummmm
[21:53] <jcoxon> earthshine, i think i lost it
[21:53] <jcoxon> could you send it again
[21:54] <earthshine> ok i'll send it to you again
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[21:57] <earthshine> or at least I would do if I could find your email address.
[21:57] <earthshine> nm found it
[21:58] <earthshine> sent
[22:00] <jcoxon> thanks
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[00:00] --- Fri May 14 2010