highaltitude.log.20091102

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[07:57] <jcoxon> morning all
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[09:12] <rjharrison_> Weather is looking good at the moment from Thursday onwards
[09:12] <rjharrison_> There will be at lest one launch in the next seven days
[09:14] <SpeedEvil> I did some sums for thursday midnight, and it'd hit newcastle.
[09:14] <SpeedEvil> (from me)
[09:14] <rjharrison_> Ooh
[09:14] <SpeedEvil> (though I'm not close to launching)
[09:15] <rjharrison_> But the weather is too far away to bet on it yet
[09:15] <rjharrison_> It looks like there is going to be a lul in the JS somewhere between Wed and Sun
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[09:37] <MikeMc> Morning
[09:42] <MikeMc> If there is a launch this week can I come along to watch? (presuming it's a date/time I can get out of work)
[09:43] <rjharrison_> MikeMc sur
[09:43] <rjharrison_> e
[09:43] <MikeMc> cool
[09:44] <MikeMc> Where would the likely launch site be?
[09:44] <rjharrison_> EARS
[09:44] <rjharrison_> http://www.ears.org.uk/
[09:48] <MikeMc> OK
[09:48] <MikeMc> Not too bad - about 1.5 hours drive for me
[09:49] <rjharrison_> MikeMc PM
[09:49] <MikeMc> ok
[09:50] <rjharrison_> I sent you a private message
[09:51] <rjharrison_> MikeMc about 3 hours for me
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[11:02] <MikeMc> Why that location for launch?
[11:05] <rjharrison__> Oh it better for a number of reasons.
[11:05] <rjharrison__> No People about to watch
[11:06] <rjharrison__> Can drive car to launch site, good for large helium cylinder
[11:06] <rjharrison__> Less likely to get UFO sightings from Cambridge public
[11:07] <rjharrison__> Don't need to wory about students / cambridge university security etc ...
[11:08] <MikeMc> i see
[11:11] <russss> have there been many UFO sightings generated?
[11:12] <MikeMc> if you do a night launch does it have to have a light on it?
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[12:51] <rjharrison__> Ni light needed or wanted for a night launch
[12:51] <rjharrison__> russss one ufo sighting to date
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[15:11] <jcoxon> afternoon all
[15:12] Action: jcoxon has completed his 6 monthly trip to maplin
[15:12] <jcoxon> mmmm lots of wire and stripboard...
[15:16] Action: SpeedEvil sighs.
[15:16] Action: SpeedEvil is looking at BGA stuff.
[15:16] <SpeedEvil> And wishing he could solder it easily.
[15:16] <SpeedEvil> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260496817959&ssPageName=ADME:X:RTQ:US:1123&autorefresh=true - forex
[15:17] <jcoxon> SpeedEvil, its not worth it...
[15:18] <SpeedEvil> jcoxon: what?
[15:19] <jcoxon> BGA
[15:19] <SpeedEvil> well - it depends.
[15:19] <SpeedEvil> If you want small stuff.
[15:19] <SpeedEvil> And if you want to be able to make complex systems
[15:19] <SpeedEvil> for example that run linux
[15:19] <jcoxon> sure
[15:20] <jcoxon> but to pull it off its pretty damn hard
[15:20] <jcoxon> especially at our level
[15:20] <SpeedEvil> For most other sorts of stuff you can get away with it.
[15:20] <SpeedEvil> yeah
[15:20] <jcoxon> i got a sata/usb docking station
[15:21] <jcoxon> quite nice, added my 1Tb drive and its got 2 usb and some memory card slots
[15:21] <SpeedEvil> :)
[15:21] <jcoxon> oh and there is a buy one get one free offer at maplin for lithium energizers
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[16:28] <jcoxon> hey RocketBoy
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[17:04] <jcoxon> hey fergusnoble
[17:05] <fergusnoble> hey jcoxon
[17:08] <jcoxon> hey
[17:09] <jcoxon> fergusnoble, do you guys have a diagram of your martlett flight profile?
[17:09] <fergusnoble> ooh yes, somewhere
[17:09] <jcoxon> doing a talk on weds and am looking for an image for my slide on rockoons
[17:09] <fergusnoble> one sec
[17:11] <fergusnoble> actually dont think i have one
[17:11] <fergusnoble> we are having a meeting at 7, ill ask iain
[17:11] <jcoxon> okay cool
[17:11] <fergusnoble> i think he made one up for a presentation he did recently
[17:11] <jcoxon> i think there was one on the old website
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[17:55] <edmoore> rjharrison: ping
[17:56] <jcoxon> hey edmoore
[17:56] <edmoore> hi jcoxon
[17:56] <edmoore> how's it going?
[17:56] <jcoxon> good thanks
[17:56] <jcoxon> you?
[17:56] <edmoore> am only here for about 2.5 mins...
[17:56] <edmoore> yeah not bad. pretty busy but all good fun
[17:56] <jcoxon> good good
[17:57] <SpeedEvil> edmoore: wave.
[17:58] <edmoore> found out today I have to give about 20 mins of tlk tomorrow in an examples class. I got picked on as am on the same floor as the prof who takes the course. So tonight's job is to actually understand what I've been told to talk about
[17:58] <jcoxon> oh dear!
[17:58] <jcoxon> edmoore, just to say 2 for 1 on lithium energizers in maplins right now
[17:58] <edmoore> right, got to dash
[17:59] <edmoore> ttyl
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[18:01] <jcoxon> SpeedEvil, did you ever get anywhere with the HF radio kit?
[18:03] <SpeedEvil> jcoxon: I put it on hold while getting on with stuff in the garden
[18:03] <SpeedEvil> however
[18:03] <SpeedEvil> it's now about time for winter projects
[18:03] <SpeedEvil> I spent the weekend dusting off the scope and sorting out my 'workstation' (hah)
[18:03] <jcoxon> hehe and tran-atlantic season :-p
[18:03] <SpeedEvil> and will have another attack.
[18:04] <SpeedEvil> I've also pondered giving up on it and just gluing a 30MHz ADC to a USB2 FIFO :)
[18:04] <SpeedEvil> But I'll try the simple route first.
[18:04] <SpeedEvil> And I could easily stick it up as a websdr thing if it works.
[18:04] <jcoxon> simple is good
[18:05] <SpeedEvil> yes.
[18:05] <SpeedEvil> Complicated is also good.
[18:05] <SpeedEvil> And cheese.
[18:06] <SpeedEvil> I wonder if I have a GPS with a PPS on it.
[18:06] <SpeedEvil> I love google.
[18:06] <SpeedEvil> 'c / 6KHz'
[18:07] <jcoxon> SpeedEvil, it'll be good to know if the HF kit actually works
[18:07] <SpeedEvil> yes - should have an answer in a few days. This summer has been hectic.
[18:07] <jcoxon> cool cool
[18:07] <jcoxon> no hurry :-)
[18:07] <SpeedEvil> _way_ too many tiny pointless jobs to tidy stuff up and get the place sorted.
[18:08] <SpeedEvil> It'd been left for 5 yearsish in many bits, and was ...
[18:08] <SpeedEvil> Any progress on the trans-attemrpt?
[18:08] <SpeedEvil> Still in regulatory limbo?
[18:08] <jcoxon> been working on hte ballast tanks
[18:08] <jcoxon> ummm think we are going to go for the southern/towards africa route
[18:09] <jcoxon> so shouldn't be too much difficulty in regulations
[18:09] <SpeedEvil> regulations easier/
[18:09] <SpeedEvil> pickup would seem less likely.
[18:09] <jcoxon> but fun!
[18:11] <jcoxon> so hopefully some progress in the next few days/weeks
[18:12] <SpeedEvil> Also been pumping out containers.
[18:12] <SpeedEvil> Though in my case it was fish waste that had been sitting in a filter barrel for 5 years.
[18:12] <jcoxon> uk
[18:12] <jcoxon> yuk*
[18:13] <SpeedEvil> And the hose would have fallen off the 6000l/h pump, and gone all over me when I turned it on.
[18:13] <SpeedEvil> Fun :)
[18:13] <SpeedEvil> But the house is beginning to look sane anyway.
[18:14] <SpeedEvil> I wonder how many stations you would need to do a virtual beam.
[18:14] <SpeedEvil> (at HF)
[18:16] <jcoxon> that i'm not sure about
[18:17] <SpeedEvil> hmm
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[18:18] <gordonjcp> SpeedEvil: fish waste sitting in a barrel for five years?
[18:18] <SpeedEvil> I suppose witht he variation in height of the ionosphere you can't realistically consider it as a 2d 'beam'
[18:18] <gordonjcp> you could sell that to the norwegians
[18:18] <SpeedEvil> gordonjcp: well - fish poop. It was a filter for a pond.
[18:18] <SpeedEvil> gordonjcp: in a 55 gallon barrel
[18:18] <gordonjcp> ah, so not an oil drum full of home-made surstromming?
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[18:19] <SpeedEvil> gordonjcp: no.
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[20:25] <MikeMc> evening
[20:27] <SpeedEvil> Evening.
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[20:29] <MikeMc> anything new?
[20:29] <SpeedEvil> nope.
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[20:30] <SpeedEvil> Well - a number of people pondering launches this week
[20:30] <MikeMc> yeah and looking like Thursday i think
[20:30] <MikeMc> which is the worst possible day for me :(
[20:34] <MikeMc> still...
[20:34] <MikeMc> would be nice to have a launch after so long
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[20:37] <Laurenceb> hi
[20:37] <SpeedEvil> Hello.
[20:37] <MikeMc> hey
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[21:17] <Laurenceb> Randomskk: whats new?
[21:17] <Laurenceb> hows the esc going?
[21:17] <jcoxon> hey all
[21:19] <Laurenceb> http://www.newscientist.com/article/dn18087-controversy-erupts-over-mock-lunar-lander-contest.html?DCMP=OTC-rss&nsref=online-news
[21:19] <Laurenceb> hi jcoxon
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[21:21] <SpeedEvil> silly. (rule bending)
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[21:26] <jcoxon> hey Laurenceb
[21:38] <Laurenceb> http://media.armadilloaerospace.com/2008_10_24/LLC_Level_1_flight_1.mpg
[21:38] <russss> looks cool
[21:39] <russss> I want one
[21:42] <russss> have they said how much that costs them to build?
[21:42] <Laurenceb> I'd guess maybe several times $10K
[21:43] <russss> also I dunno how that really scales to moon gravity and atmosphere
[21:46] <russss> http://www.youtube.com/watch?v=lcys-t2thk8
[21:46] <russss> that's the Masten vehicle
[21:49] <jcoxon> the masten engineer used to pop on to this channel
[21:50] <natrium42> wtf @ landing bounce
[21:50] <russss> I think the armadillo one looks more stable
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[22:33] <jcoxon> hey edmoore
[22:35] <edmoore> hi
[22:35] <edmoore> how goes it?
[22:36] <jcoxon> good, making a float for the ballast tank sensor
[22:37] <edmoore> am cramming some work for tomorrow
[22:39] <jcoxon> hmmmm magnets are heavy
[22:41] <SpeedEvil> dealextreme to the rescue!
[22:42] <SpeedEvil> http://www.dealextreme.com/details.dx/sku.5962 - are handy
[22:42] <russss> 100 for $7
[22:42] <Randomskk> hmm. I can't get the python script to get the grib files working, but that's probably a good thing, maybe I'll do some examples papers instead
[22:42] <SpeedEvil> I use them to stick marker pens up. Hot-melt a magnet behind the clip, a magnet to the cupboard, and you're done
[22:44] <edmoore> Randomskk: keep the pressure on the work over week 4/5. Your future week 7/8 self will thank you
[22:45] <Randomskk> oh hell, there are another three examples papers issued wednesday
[22:45] <Randomskk> fffffff.
[22:45] <jcoxon> this damn float
[22:45] <jcoxon> suprisingly difficult
[22:45] <MikeMc> hello
[22:46] <jcoxon> hey MikeMc
[22:46] <Randomskk> I would just spend all my time on examples papers, except that I already didn't get anything else done in the first few weeks, so now it's been like four weeks with zero progress on anything outside of school work. D:
[22:46] <Randomskk> poor neglected quadcopter
[22:48] <jcoxon> MikeMc, hows the payload coming?
[22:48] <jcoxon> make any progress with the radio?
[22:48] <MikeMc> not yet - busy last weekend
[22:48] <MikeMc> hoping to do some tomorrow night
[22:50] <jcoxon> had a small brainwave today about a new sstv flight
[22:50] <jcoxon> using the cheap gumstix on ebay, bluetooth and camera phone
[22:50] <jcoxon> instead of rigging a whole camera up over usb
[22:50] <SpeedEvil> bluetooth needs a big dish
[22:50] <SpeedEvil> oh
[22:51] <jcoxon> bluetooth between the gumstix and the cameraphone
[22:51] <MikeMc> lol
[22:52] <SpeedEvil> A tertiary backup for my comms on my UAV is actually bluetooth on a dish
[22:52] <SpeedEvil> along with 802.11a, and 433
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[22:53] <Randomskk> yo Jon_Apex
[22:53] <Jon_Apex> hello Randomskk
[22:53] <Jon_Apex> i feel i should change my username
[22:53] <edmoore> I feel it too
[22:53] <Randomskk> I've been using randomskk too long, inertia takes over
[22:55] <Jon_Apex> But what to?
[22:55] <Randomskk> so a bit of hacking around with the python and it still crashes in this loop, so I can't get the grib files, so I can't run the predictor, so I can instead do some less exciting examples papers :P
[22:55] <SpeedEvil> I suggest Randomskk_, and Jon_Apex_
[22:55] <Jon_Apex> haa
[22:55] <Randomskk> I already have randomskk_ registered on freenode anyway :P
[22:55] <Jon_Apex> uyp
[22:57] <Randomskk> it's weird. it seems like it should be working. maybe I should svn up
[22:57] <Randomskk> nope, no updates since.
[22:58] <jcoxon> night
[22:58] <jcoxon> all
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[22:58] <MikeMc> cya
[23:01] <Randomskk> fine, examples papers it is, I'll pester fergus about it next time I see him
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[23:33] <MikeMc> night all
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