highaltitude.log.20121106

[00:02] <SpeedEvil> Lunar_Lander: anoxia
[00:03] <Lunar_Lander> yea
[00:03] <Lunar_Lander> but you exhale He quite well
[00:03] <Lunar_Lander> I think Ar, Kr and Xe are more dangerous
[00:04] <Lunar_Lander> ok, well, if you aren't in a environment that is rich in He
[00:04] <SpeedEvil> the lungs are quite turbulent
[00:05] <SpeedEvil> http://www.dailymotion.com/video/xt13zo_gibbons-on-helium-sing-like-opera-stars_news
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[00:06] <Lunar_Lander> yea
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[00:21] <mrShrimp> Upu are you here?
[00:24] <Darkside> he'll be asleep by now
[00:25] <Lunar_Lander> evening Darkside
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[00:28] <mrShrimp> ok
[00:31] <fsphil> farnell are offline *again*
[00:31] <Darkside> yay
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[03:48] Nick change: heathkid|2 -> heathkid
[04:09] <heathkid> anyone here in or near Indiana?
[04:09] <Dan-K2VOL> Yes
[04:09] <Dan-K2VOL> at the southern tip
[04:09] <Dan-K2VOL> hi heathkid, how's things
[04:10] <heathkid> hello Dan-K2VOL
[04:10] <heathkid> things are progressing...
[04:10] <heathkid> want to do a first launch
[04:11] <Dan-K2VOL> cool
[04:11] <heathkid> southern tip? east or west?
[04:11] <Dan-K2VOL> Louisville, KY
[04:11] <heathkid> ah
[04:11] <Dan-K2VOL> center
[04:11] <heathkid> gotcha
[04:12] <heathkid> you like wine?
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[04:12] <heathkid> Huber winery is about 20 minutes from Louisville... *wow*
[04:13] <Dan-K2VOL> indeed it is
[04:13] <heathkid> been there?
[04:13] <Dan-K2VOL> yes, quite the big operation
[04:13] <heathkid> :)
[04:14] <heathkid> spent a few days there... lots of picking raspberries... :)
[04:14] <heathkid> can't wait until next summer when things are in season again
[04:15] <heathkid> anyway... have you done a HAB launch yet?
[04:17] Nick change: soafee-chan -> spacekitteh
[04:18] <heathkid> I'm a bit further northwest... Crawfordsville
[04:18] <heathkid> well... about 8 miles southwest of Crawfordsville
[04:19] <Dan-K2VOL> cool
[04:19] <Dan-K2VOL> yes, I've done many launches
[04:19] <heathkid> middle of nowhere (no cable, no DSL... no nothing...)
[04:19] <heathkid> really?
[04:19] <Dan-K2VOL> I supervise the balloon program for spaceport indiana actually
[04:19] <heathkid> spaceport indiana?
[04:19] <Dan-K2VOL> yeah, been at it for about 8 years
[04:19] <Dan-K2VOL> spaceportindiana.com
[04:20] <heathkid> wow... I have a LOT to learn!
[04:20] <Dan-K2VOL> I am usually working on very long duration flight systems
[04:22] <heathkid> how can I become a part of Space Port Indiana?
[04:23] <heathkid> PM?
[04:23] <Dan-K2VOL> well, we're always looking for help for events on balloon launches and such
[04:24] <Dan-K2VOL> just email the address on the website and ask to be notified when there's need for help on balloon launches or whatever you're interested
[04:25] <heathkid> check your pm...
[04:25] <heathkid> please...
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[06:53] <jcoxon> morning
[06:53] <x-f> morning
[06:54] <x-f> nice and sunny morning
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[07:33] <arko> morning
[07:33] <Upu> http://www.kickstarter.com/projects/1461411552/elite-dangerous?ref=live
[07:34] <Upu> morning
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[07:40] <fsphil> man I wasted a lot of time playing Frontier on the amiga
[07:41] <arko> you have an amiga?
[07:41] <fsphil> I have several :)
[07:41] <arko> or is it an emulator
[07:41] <arko> oh sweet
[07:41] <arko> my buddy who use to live in the uk was a big time amiga developer
[07:42] <arko> i was a kid and at the time, but now looking at those systems.. man those were some bad ass machines
[07:42] <fsphil> I may have used some of his software
[07:42] <arko> :)
[07:43] <arko> http://www.youtube.com/watch?v=acTHP5W_4Lk
[07:43] <arko> i think he worked on this
[07:43] <arko> he was on team 17 or something like that
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[07:43] <arko> correction, he was
[07:43] <arko> some bad ass systems man
[07:44] <arko> oh wait that was after amiga stuff
[07:44] <arko> anyway
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[07:47] <arko> what machines do you have?
[07:52] <fsphil> originally an a600, later an a1200
[07:52] <eroomde> yo peepers
[07:52] <arko> oh nice
[07:53] <arko> hey eroomde!
[07:53] <arko> fsphil: does it have the expansion board?
[07:53] <eroomde> i would have liked to grow up with a much simpler machine
[07:53] <arko> me too!!
[07:53] <eroomde> so much easier to getthe whole model in your head
[07:53] <arko> todays machines are so complex
[07:53] <arko> :(
[07:53] <eroomde> i just finished chapter 3 of nand2tetris yesterday
[07:53] <arko> haha
[07:53] <eroomde> and it's fascinating
[07:54] <eroomde> and i feel like i get everything much more
[07:54] <arko> its a book right?
[07:54] <eroomde> i have inclings do to hackaday-style curiosity stuff like a build myself a lisp machine out of 7400 stuff
[07:54] <arko> or some course material
[07:54] <eroomde> yeah it is
[07:54] <fsphil> I doubled the memory of the A600 to an amazing 1Mb :)
[07:54] <eroomde> a very good one, i'm impressed so far
[07:54] <arko> fsphil: hah! nice
[07:55] <Upu> your all so young
[07:55] <eroomde> i'm doing it to wrap my head around digital logic for some forthcoming fpga work
[07:55] <Upu> C-64 here
[07:55] <arko> lol
[07:55] <eroomde> out first pc at home was a pentium 3
[07:55] <eroomde> 450mhz
[07:55] <Upu> 486DX4 100 pew pew at Uni
[07:55] <arko> eroomde: have you been keeping up with the dangerous prototypes stuff?
[07:55] <Upu> with £220 to double the RAM by 256Mb
[07:56] <eroomde> arko: vaguely?
[07:56] <eroomde> why?
[07:56] <eroomde> i don;t follow properly but stumble across the blog every now and then and re-remember that is has a very good snr
[07:56] <arko> bunch of 7400 stuff going
[07:56] <oh7lzb> 8 MHz 8086-2 or 8088-2
[07:56] <arko> lol
[07:56] <oh7lzb> with a turbo button to switch between 4.77 and 8 MHz or something :)
[07:56] <arko> thats like a $0.5 microcontroller now
[07:56] <arko> crazy
[07:57] <arko> eroomde: which material are you using?
[07:57] <arko> book? course?
[07:57] <eroomde> book
[07:57] <eroomde> and the software package from the website
[07:57] <arko> http://www.amazon.com/Elements-Computing-Systems-Building-Principles/dp/0262640686/ref=ed_oe_p
[07:57] <arko> that?
[07:57] <eroomde> which is a suite of tools they've written especially like a hardware simulator
[07:58] <eroomde> yes that;s the one
[07:58] <arko> worth a read i presume?
[07:58] <eroomde> i think so yep
[07:58] <eroomde> well, do the course and the projects
[07:58] <arko> ok
[07:58] <arko> sounds fun
[07:58] <eroomde> as a read on it's own it doesn't really work
[07:59] <eroomde> it's more like a chapter leading up to a homework project
[07:59] <arko> makes sense
[07:59] <arko> cool
[07:59] <eroomde> i made my first usable ALU yesterday
[07:59] <eroomde> on the whiteboard
[07:59] <eroomde> v satisfying
[07:59] <arko> haha
[07:59] <eroomde> then coding it up in HDL and tested it
[07:59] <arko> nice! on your 3E?
[08:00] <eroomde> oh no, in their simulator :)
[08:00] <eroomde> they provide you a spec and a test program
[08:00] <eroomde> so you can check it works and debug if necessary
[08:00] <eroomde> then you use it, as with everything else you build, in a whole cpu at the end
[08:00] <arko> the course provides one?
[08:00] <eroomde> then do do an assembler, a compiler, a VM, and an OS
[08:00] <arko> holy cow
[08:00] <eroomde> it's really awesome
[08:00] <arko> dude
[08:01] <eroomde> literally nand2tetris
[08:01] <arko> sold
[08:01] <arko> brb going to research this more
[08:01] <eroomde> look at the vid on the nand2tetris site
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[08:02] <eroomde> once i've done this book i want to full work through SICP. Then at the end build a lisp machine on an fpga. then i feel like i'll properly have got CS
[08:02] <eroomde> up to a certain level anyway
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[08:23] <arko> now this is a class
[08:23] <arko> ok
[08:24] <arko> i need to make time to do this
[08:25] <eroomde> :)
[08:26] <eroomde> i have sicp queued up for when i finish
[08:26] <eroomde> this time for real
[08:26] <eroomde> rather than just chapter 1 again
[08:27] <eroomde> then a book on control theory
[08:27] <eroomde> then one on thermodynamics
[08:27] <eroomde> then
[08:28] Last message repeated 1 time(s).
[08:28] <eroomde> there are not enough hours in the day
[08:28] <x-f> hour can be adjusted, there is not enough time!
[08:28] <x-f> hours*
[08:29] <eroomde> :)
[08:29] <eroomde> i have to fucus a bit more i think
[08:30] <eroomde> just declare the first 2 hours of work are me-time
[08:30] <eroomde> to self-study
[08:30] <eroomde> and see stuff through
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[08:41] <fsphil> first 2 hours of work here are usually 'my mouse has broke' or 'my printer is broke'
[08:43] <fsphil> printers should be banned. a crime against humanity :)
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[08:44] <number10> work should be banned :)
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[08:58] <griffonbot> Received email: David Akerman "[UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
[09:00] <fsphil> but then who will make the jaffa cakes
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[09:10] <x-f> nice pictures of Mrs. Ted and sunset
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[09:15] <SamSilver> fsphil: i am with you on the printer ban, any brand worse the any other?
[09:16] <SamSilver> i feel picked on by all of them, at the mo it is HP that are burning my bum
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[09:25] <fsphil> HP yes
[09:25] <fsphil> Canon second
[09:26] <fsphil> we've also got a Ricoh that's giving constant trouble
[09:26] <fsphil> the Oki ones are not soo bad
[09:28] <fsphil> the most reliable printers are our label ones, those things print millions of labels every year
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[09:42] <griffonbot> Received email: Michael Dawson "RE: [UKHAS] Launch Announcement - Friday 9th November from Brightwalton"
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[10:07] <hibby> anyone watch wee Dickie Hammond's program last night?
[10:08] <hibby> he sent a balloon to space, above the atmosphere at 85000 feet! Actual space.
[10:08] <hibby> I think a bit of me died every time he said space
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[10:09] <LazyLeopard> hibby: Which programme was that?
[10:11] <fsphil> indeed hibby
[10:11] <fsphil> everything he said was wrong
[10:11] <hibby> LazyLeopard: The one about nature.
[10:12] <fsphil> at least the gadget show got things a bit better
[10:12] <hibby> I did like the concept of the packing tube, but god damn that was inaccurate
[10:12] <fsphil> they didn't seem to run any kind of prediction either
[10:12] <hibby> half the issue is that as an engineer I'm already significantly pedantic when it comes to something I know about
[10:13] <fsphil> or have a backup gps
[10:13] <hibby> can you remember what the company was called?
[10:13] <fsphil> JP aerospace
[10:13] <hibby> aha
[10:13] <fsphil> they have a rubbish launch system
[10:14] <hibby> Send them my CV with attached day rate for RF&Telecoms engineer with balloon-specific project management experience, shall I?
[10:17] <LazyLeopard> Ah. Hammond and Nature is like Oil and Water. The two do not mix. Not at all.
[10:18] <hibby> well, he's doing a series about it currently.
[10:18] <hibby> and the amazing engineering we can learn from it
[10:18] Action: hibby waves hands
[10:23] Action: LazyLeopard saw him on one of the live wildlife shows... Wrong choice...
[10:25] <hibby> stewart lee's characterisation of him is very accurate
[10:25] <hibby> it's great
[10:26] <hibby> he does a 15 minute or so routine on Top Gear, in the overacted hyperbolic style of Top Gear. Fantastic watching if you've not seen it before
[10:29] <fsphil> he just destroys him
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[11:09] <hibby> also, I couldn't bring myself to watch the gadget show, as I hate how much of an imbicile Jason Bradbury is and how he gets to give consumer advice when all he really does is say remotely technical sounding words, fail to understand things and be enthusiastic regardless.
[11:10] <jonsowman> Yes, I hate people like that
[11:10] <jonsowman> they're also immensely difficult to argue with
[11:11] <hibby> queue the old saying - never argue with stupid people, they'll bring you down to their level then win thanks to experience.
[11:12] <jonsowman> it's true
[11:13] <hibby> our customers at the moment are like that... trying to micromanage what they don't understand. It annoys us, especially, as it's supposedly a turnkey system to a spec, not a system where tower foundations have to be explained to 'engineers' using tables, books, rulers and building a 'model' to show why they can't just pour concrete blindly to save money.
[11:13] <mfa298> after watching that episode I dont think I'll be watching anymore episodes, most of the testing seemed to be a bit random.
[11:13] <jonsowman> I stopped watching GS a long time ago
[11:13] <jonsowman> it's more irritating than anything else
[11:14] <mfa298> I don't think I've watched it before.
[11:14] <fsphil> I found myself explaining how email worked to a company that did email footers. I'm not sure if I was being silly or them
[11:14] <hibby> jonsowman: my flatmates, when I was younger, developed a drinking game. Every time I shouted at him or disagreed with his pish, they took a drink.
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[11:15] <hibby> every time I changed channel... I had to down my drink.
[11:15] <fsphil> they seemed blissfully unaware that an email can contain both a plain text and an html version
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[11:15] <number10> has anyone here used the internal rfm22 temperature?
[11:15] <jonsowman> hibby: haha, excellent
[11:15] <eroomde> Upu: Re: the problems you were having with the rx noise, have a gander http://www.maximintegrated.com/app-notes/index.mvp/id/5450
[11:15] <jonsowman> I don'tthink I'll be playing that
[11:15] <eroomde> probably all stuff you've seen before but it's a well put together explanation
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[11:16] <mfa298> fsphil: that sounds like lots of companies, as long as you appear to know something about what you're doing to most of your customers they'll buy it
[11:16] <jonsowman> quite
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[11:18] <fsphil> yea. this was annoying as their software was corrupting the text part
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[11:19] <fsphil> which they denied existed :)
[11:20] <fsphil> oddest way to try and get out of fixing a bug I've seen
[11:20] <mfa298> there seem to be a lot of people who do email based systems that don't really understand how email works
[11:23] Action: LazyLeopard was trying to figure out whether the gadget show balloon was one of those tracked...
[11:26] <fsphil> dl-fldigi got a it of screen time but I didn't see spacenear
[11:26] <fsphil> bit*
[11:28] <NavracWork> number10 - yes i use the internal temp sensor on the rfm
[11:28] <mfa298> it looked like the video is available on their website if anyone wanted to watch again (and without all the other things on the show)
[11:28] <number10> NavracWork: at ambient temperature was the internal temperature much higher?
[11:29] <NavracWork> yes - its the die temp so really doesnt tell you much - as soon as its txing it gets warm
[11:30] <number10> I wasnt sure what difference to expect - I am getting rfm ~ 31 with the ambient ~23
[11:30] <NavracWork> if you turn it off for 10 secs, tx for 10secs it plots a nice triangle wave....
[11:30] <NavracWork> yep that sounds about normal
[11:30] <number10> yes, I can imagine..
[11:30] <number10> thanks
[11:31] <number10> I just wanted to ensure my code was correct - and that would confirm it chhers
[11:31] <number10> cheers
[11:31] <NavracWork> fronm memory one of the ozzies showed that it was consistently 8-10 degrees higher than a dsb next to it
[11:34] <number10> still useful info for a pico flight
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[11:38] <hibby> haha
[11:41] <hibby> after facebook grumble about richard "the hamster" hammond - he's not a real hamster, though - one of my old chums from the physics dept at the uni said that they got in a load of stuff for fact checking from the researchers of hammond's new 'project' and it was either universally wrong or made up to sound accurate. Oh dear oh dear.
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[11:41] <jonsowman> i think the bigger problem is that he's not a real hamster
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[11:42] <fsphil> the little submarine was very cool though
[11:44] <griffonbot> Received email: Ali al-Azzawi "[UKHAS] SDR + Pi"
[11:46] <Darkside> no, no it wont
[11:47] <staylo> hehe
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[11:48] <Darkside> not enough powah
[11:48] <staylo> It may just have been a list of a few of his favourite things
[11:49] <fsphil> rtl_tcp works quite well, but that's about it
[11:50] <staylo> How much cpu does rtl_tcp require? I'm wondering whether a wr703n would handle it.
[11:50] <mfa298> needs a lot of bandwidth between the pi and the sdr# machine
[11:50] <mfa298> staylo: I don't think it needs much cpu on the pi.
[11:50] <fsphil> Upu and I kinda had it working over the internet -- was very choppy though
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[11:51] <fsphil> but I suspect my router was to blame
[11:51] <UpuWork> you need bandwidth
[11:51] <UpuWork> lots of it
[11:52] <fsphil> I'm certain the pi could do rtty decoding without any issue
[11:53] <mfa298> I think for 2m sample rate it wanted 3mbps or more of bandwidth
[11:54] <mfa298> running something like sdr# seems to be the cpu intensive bit.
[11:54] <fsphil> yep
[11:54] <fsphil> that and the UI
[11:54] <hibby> what if the gpu blob was open - could it be processed more efficiently via that?
[11:55] <Randomskk> it being open or closed doesn't make much odds
[11:55] <Randomskk> and not really
[11:55] <Randomskk> gpus aren't hugely helpful for this
[11:56] <mfa298> had a quick test, rtl_tcp idling used no cpu on the pi, when it's activly streaming data it used about half the cpu.
[11:56] <hibby> ah well.
[11:57] <steve|m> staylo: rtl_tcp works on a wr703n, but the ram is a bit small
[11:57] <mfa298> and the recieving (W7) machine reports around 3% of the 1G network connection being used when it's running!
[11:58] <staylo> steve|m: The ram or the flash storage?
[11:58] <steve|m> ram
[11:58] <staylo> Hmm. Was that with a stock openwrt image?
[11:59] <steve|m> nope
[11:59] <steve|m> http://steve-m.de/projects/rtl-sdr/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-sysupgrade.bin
[12:00] <steve|m> I also have the makefile on my machine at home if you want to build it yourself
[12:00] <Darkside> where the rtl-tcp and a pi thing may be useful is to put a rtlsdr and a rpi up the top of a tall mast, where it would be infeasible or too costly to run coax to
[12:00] <Darkside> instead, you run ethernet
[12:00] <Darkside> and power
[12:00] <staylo> OK, I'll stop asking daft questions then :) Yes, the makefile would be handy if you wouldn't mind.
[12:02] <steve|m> http://steve-m.de/projects/rtl-sdr/Makefile
[12:03] <mfa298> Darkside: agreed on that (just trying to install iptraf on the pi to see what that says about network usage, I never fully believe windows task manager)
[12:03] <Darkside> but yeah, using the rpi for anything other than usb to network translation..
[12:03] <Darkside> no
[12:06] <staylo> steve|m: Thanks :) Did you submit that package to the openwrt guys?
[12:06] <staylo> *those packages
[12:06] <mfa298> It would be interesting to see if you could get it to decode rtty from the rtl-sdr but I think that's going to be a very limited custom application (no waterfall etc)
[12:07] <steve|m> staylo: no, not yet, since we don't have versioning yet.. but I might just submit it with a 'stable' commit
[12:08] <fsphil> ncurses waterfall
[12:09] <steve|m> mfa298: there's the rtl_fm commandline tool with multiple demods
[12:09] <griffonbot> Received email: Radim Mutina "Re: [UKHAS] SDR + Pi"
[12:09] <steve|m> afaik you can pipe that into 'multimode' to decode rtty
[12:09] <steve|m> keenerd in ##rtlsdr tried that afair
[12:12] <mfa298> I might have to try playing with rtl_fm more. When I tried it before on the pi I could't hear anything from it.
[12:17] <mfa298> iptraf on the pi reports around 34mbps outgoing whilst rtl_sdr is running - seems to be the same with wfm, nfm and usb (which I'd expect)
[12:18] <mfa298> thats with the default 2048000 sample rate
[12:20] <Darkside> hmm
[12:20] <Darkside> yeah sounds about right
[12:20] <Darkside> it'll be samplerate * 2 MB/s
[12:20] <Darkside> so 4096000 bytes/sec
[12:22] <mfa298> that ties in with my experience over 802.11g wireless (it didn't quite work).
[12:23] <mfa298> a good 802.11n connection should work (although wired ethernet is probably better)
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[12:24] <fsphil> it'll work on 802.11g with a lower sample rate
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[12:30] <griffonbot> Received email: "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
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[12:39] <griffonbot> Received email: David Akerman "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
[12:42] <griffonbot> Received email: "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
[12:43] <eroomde> thank you ESA for you email about the, and I quote
[12:43] <eroomde> Innovation Triangle Initiative
[12:44] <NigelMoby> ?
[12:44] <eroomde> which is like the inverse of the word 'tit'
[12:44] <NigelMoby> lol
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[12:51] <fsphil> it sounds like a scam
[12:52] <nick_> Is it like the Burmuda triangle?
[12:53] <fsphil> where innovation goes and is never seen again?
[12:53] <nick_> Innovation gets sucked in and mysteriously disappears?
[12:53] <eroomde> i think so yes
[12:53] <eroomde> where creative energy gets turned into compliance documents
[12:53] <joph>
[12:53] <eroomde> and research budget gets turned into flying-to-meetings costs
[12:54] <nick_> There's an event at the Said Business school (this weekend?) intended to make business ideas from ESA and CERN patents.
[12:54] <nick_> I looked at the list of patents. Didn't pay much attention to the ESA ones, but some of the CERN ones were worrying.
[12:56] <nick_> Some things were cool. Others were the worst things ever.
[12:56] <nick_> "Hey guys, we've got this shit data analysis tool, let's make money from it"
[12:56] <eroomde> i saw that too
[12:57] <eroomde> tho i think it was from at culham
[12:57] <eroomde> but what a crock of shit
[12:57] <eroomde> just trying to sell some old patents for money
[12:57] <nick_> I think this is STFC's big plan to show economic impact.
[12:58] <eroomde> it's their big plan to show that they're, as an organization, clueless idiots
[12:58] <eroomde> and a very inefficient form of alloting research money
[12:59] <eroomde> who thinks 'aha - i shall buy that patent!'?
[12:59] <eroomde> not the people who do the actual thinking bit on a tech company
[12:59] <eroomde> the accountants maybe
[13:00] <eroomde> or some other parasite that's lodged itself in a host company
[13:00] <nick_> Can you translate "Deployable tensegrity structure" for me?
[13:00] <eroomde> something that goes stiff in an elastic way?
[13:00] <eroomde> dunno
[13:02] <nick_> Module and System for Automatic Piloting of a Sail Boat for sailing in the Presence of Waves
[13:03] <nick_> ESA entered the challenge to send an autonomous boat across the Atlantic?
[13:04] <nick_> The CERN ones at least have a description with them
[13:06] <nick_> There are multiple "method and device for <action> time series data"
[13:09] <fsphil> microtransat?
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[13:42] <eroomde> just had the most useless fire safety course in the history of ever
[13:42] <eroomde> bearing in mind it was attending by people who do rocket testing
[13:42] <eroomde> the man said
[13:42] <eroomde> 'to have a fire, you need 3 things. fuel, air, and heat'
[13:42] <Randomskk> haha
[13:42] <eroomde> 12 people think 'er... do I say something?'
[13:42] <eroomde> eventually we did
[13:43] <eroomde> as non of this was applicable to hypergolic rocket fuels, which need neither air nor heat
[13:43] <Randomskk> the best kind of fuel.
[13:46] <griffonbot> Received email: John Underwood "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
[13:48] <griffonbot> Received email: David Akerman "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
[13:50] <DrLuke> http://www.youtube.com/watch?v=qJe3cdM7f1c
[13:50] <DrLuke> germany in a nutshell
[13:59] <m0psi> is that you drluke?
[13:59] <m0psi> :-)
[13:59] <DrLuke> ;)
[14:00] <m0psi> is this from the german d-factor
[14:00] <daveake> wtf
[14:00] <DrLuke> just be happy you don't actually understand what he's singing about
[14:00] <daveake> He's singing?
[14:01] <m0psi> i'm enjoying the ignorance
[14:01] <m0psi> so, this is a HE, and he is SINGING
[14:01] <daveake> Well I'm unsure about those things
[14:02] <daveake> The radio has just started playing "The Wombles Of Wimbledon"
[14:02] <daveake> I think I'll go for a walk ...
[14:03] <daveake> Maybe the world will return to normal before I get back
[14:21] <DrLuke> damn, leaded solderpaste is SOOOO much nicer to work with than this leadfree crap
[14:27] <DrLuke> won't ever again touch leadfree unless I have to
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[14:32] <m0psi> it's mostly the bad things in life that are good for you!
[14:33] <DrLuke> heh
[14:33] <gonzo_> or is it the other way around?
[14:33] <DrLuke> it is a mystery
[14:35] <DrLuke> alright, time to release some magic smoke
[14:35] <DrLuke> or not if everything works
[14:36] <DrLuke> yay no magic smoke
[14:37] <DrLuke> and I got a device id, woop!
[14:38] <fsphil> hah
[14:38] <DrLuke> time to program the wrong fuses
[14:39] <DrLuke> still reading device id, I rock!
[15:03] <griffonbot> Received email: Rob "Re: [UKHAS] Gadget show tonight"
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[15:19] <cuddykid> just watched the clip on gadget show
[15:19] <cuddykid> bet they were using a go pro to film the 3 cameras lol
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[15:25] <fsphil> I spotted a gopro in the car
[15:26] <cuddykid> yep
[15:26] <cuddykid> those sort of shows stick them everywhere
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[15:46] <griffonbot> Received email: Costyn van Dongen "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
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[15:50] <griffonbot> Received email: David Akerman "Re: [UKHAS] Re: Launch Announcement - MRSTED / BUZZ on Sunday 4th
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[16:57] <SpeedEvil> I have had what may be the most awesome idea ever.
[16:58] <SpeedEvil> http://www.rotarywoofer.com quadcopter.
[16:59] <Randomskk> "to DC" eh
[17:00] <SpeedEvil> well, no in the case of a quadcopter
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[17:15] <m0psi> y, randomskk, i don't get the 'dc' bit
[17:16] <m0psi> does that mean the walls move 'once'?!
[17:17] <mattbrejza> it would mean the air pressure in the room continously increases
[17:17] <Randomskk> hehe
[17:17] <SpeedEvil> err, no
[17:17] <Randomskk> couldn't it just be a high pressure?
[17:17] <SpeedEvil> that
[17:17] <SpeedEvil> it can actually maintain a higher or lower pressure in the room
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[17:18] <m0psi> right, not the rate of pressure, but just a one off surely
[17:18] <mattbrejza> almost right :P
[17:18] <craag> The can hold a higher pressure on one side of the 'woofer' than the other indefinetely.
[17:18] <Randomskk> wonder what the step response is like
[17:18] <Randomskk> kinda neat I guess
[17:19] <m0psi> ah, like landing in a plane, and feel your ears pop :-)
[17:19] <m0psi> which begs the question of phase!
[17:21] <Willdude123> When is the MRSTED / BUZZ balloon going to launch?
[17:21] <m0psi> friday
[17:21] <m0psi> this friday
[17:22] <MiniMail> i hope the whinds moves that stuff here :)
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[17:22] <Willdude123> Cool.
[17:23] <Willdude123> How was the Gadget Show last night?
[17:23] <m0psi> it was great. if you like adverts.
[17:23] <m0psi> the hab part was minmal, and only focused on testing outdoor cameras
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[17:24] <m0psi> using very dubious pseudo-science, but 'good tv'
[17:24] <daveake> Er, MRSTED/BUZZ launched on Sunday. m0psi you may remember ... :)
[17:24] <daveake> Friday is PIE/BUZZ
[17:24] <daveake> I know it's hard to keep up ;)
[17:24] <m0psi> i think the question was 'going' to launch daveake :-)
[17:24] <daveake> In which case the answer is negative
[17:25] <arko> ERMERGERD
[17:25] <m0psi> oh, are you aborting daveake?
[17:25] <daveake> Shall we start again? MrsTed flew on Sunday. She won't fly again.
[17:25] <daveake> This Friday is a different flight altogether
[17:26] <daveake> New payloads, new tracker
[17:26] <m0psi> right. I thought MrsTed had another ticket
[17:26] <daveake> Nope. She's safe
[17:26] <eroomde> er sorry
[17:26] <eroomde> Randomskk
[17:26] <eroomde> is that kust a fan in a box?
[17:26] <daveake> Well actually she's in the post to the next "owner", so not safe at all :p
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[17:27] <m0psi> i saw the photos around the world for MrsTed daveake, I think yours are the best!
[17:28] <m0psi> sunset photos at altitude are pretty cool indeed
[17:30] <daveake> Yeah I liked those. The downside of launching at that time was that by the time it got up really high, it was dark
[17:30] <daveake> But the sunset ones made up for it
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[17:31] <m0psi> y, have you considered pre-sunrise launch?
[17:31] <Upu> sure because getting up at 3am is so much fun
[17:32] <Upu> after you Ali :)
[17:32] <m0psi> yes yes upu, just swap your day around :-)
[17:32] <m0psi> fine. i'm on if anyone else is on
[17:32] <Upu> afk a few
[17:33] <m0psi> especially on a day where there is expected mist/frost, upu, quite spectuacular photos i should think
[17:33] <daveake> So, get up early on a cold winter's day? Sounds great ... :p
[17:33] <daveake> I'm on. You can tie the knots though :)
[17:33] <m0psi> i think the colder the more interesting photos, daveake
[17:34] <daveake> I agree actually. Needs to be done.
[17:34] <m0psi> i'll research 'cold weather knots'
[17:34] <daveake> Well has been by others; not by me
[17:35] <SpeedEvil> eroomde: variable pitch fan, yes
[17:36] <m0psi> anyone seen aurora hab photos?
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[17:45] <arko> how high up are aurora's?
[17:46] <eroomde> about 60km
[17:46] <eroomde> but extending quite a lot higher
[17:46] <eroomde> but the bottom is about 60km iirc
[17:47] <arko> oh awesome
[17:47] <arko> man that would be an awesome hab project
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[17:47] <arko> also good morning
[17:48] <m0psi> the thing is light polution is minimal
[17:48] <m0psi> so, seriously cool photo op
[17:48] <m0psi> _and_ for us in the uk, we have a chance to see further north, which is where aurora mostly exists
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[18:45] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Launch Announcement - Friday 9th November from Brightwalton"
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[18:57] <griffonbot> Received email: Reg Walker "[UKHAS] Re: Yupiteru MVT-7100 Scanner for sale"
[19:00] <griffonbot> Received email: David Akerman "Re: [UKHAS] Re: Yupiteru MVT-7100 Scanner for sale"
[19:01] <navrac> love the solar only tracker upu
[19:02] <navrac> are the supports for the solars also the radials
[19:07] <griffonbot> Received email: navrac "Re: [UKHAS] Re: Yupiteru MVT-7100 Scanner for sale"
[19:12] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Gadget show tonight"
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[19:14] <griffonbot> Received email: David Akerman "Re: [UKHAS] Gadget show tonight"
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[19:17] <griffonbot> Received email: navrac "Re: [UKHAS] Gadget show tonight"
[19:18] <cuddykid> looks wicked Upu
[19:19] <cuddykid> at the heart of HAB innovation at the moment :P
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[19:20] <navrac> plenty of power there with the 4 solar cells
[19:21] <RG-lz1dev> cuddykid: whats wicked?
[19:21] <cuddykid> RG-lz1dev: http://i.imgur.com/X74S2.jpg
[19:22] <daveake> "that's not a moon"
[19:23] <fsphil> cosmohab
[19:23] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Gadget show tonight"
[19:23] Action: fsphil just learned that screen can run split-screen
[19:24] <RG-lz1dev> everything can do split screen
[19:24] <RG-lz1dev> screen irssi vim
[19:25] <fsphil> it's sooo handy
[19:28] <fsphil> I probably only use 10% of the features of a lot of these programs
[19:29] <mfa298> I used to do split screen irssi and used to get confused
[19:29] <mfa298> usually ended up posting in the wrong channel
[19:30] <fsphil> yea I'll probably end up doing similar
[19:30] <RG-lz1dev> sure, for irssi is confusing
[19:30] <RG-lz1dev> but if you do coding, or while doing something, you want to monitor another terminal
[19:31] <RG-lz1dev> then its useful
[19:31] <fsphil> definitely
[19:31] <fsphil> I've got weechat on top atm, and I'm editing some code below
[19:32] <fsphil> so if I start speaking in C, you know what happened
[19:32] <fsphil> ;
[19:33] <navrac> {
[19:34] <mfa298> I can see split screen screen could be useful - I tend to have multiple windows open when coding to achieve the same thing.
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[19:37] <RG-lz1dev> cuddykid: how powerful are those panels?
[19:39] <cuddykid> RG-lz1dev: not sure - ask Upu as it's his payload :)
[19:43] <RG-lz1dev> ahhh
[19:47] <navrac> I'll check - they are the same ones as ozzie used
[19:47] <navrac> 3v 22ma from memory - but in good sunlight I got much more out of them once it cleared the cloud cover
[19:50] <RG-lz1dev> per panel?
[19:51] <navrac> yep - under test they gave me 35mA at 3.6V at 5km
[19:52] <navrac> at ground level 3v 20mA in good sunshine
[19:52] <navrac> the great bit about upus payload is that it can start the gps module.
[19:52] <Upu> 3V 50mA those
[19:52] <Upu> allegedly
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[19:53] <Upu> yes they are also the radials navrac
[19:54] <navrac> you werent taking any prisoners then upu - going for the big boys
[19:54] <Upu> well I take what they say with a pinch of salt
[19:54] <fsphil> do you think they'll survive landing?
[19:54] <navrac> 200mA
[19:54] <Upu> yeah
[19:54] <navrac> yes - mine did :-)
[19:54] <Upu> tbh I think with those on it could come down with no paracute
[19:54] <fsphil> aah so they're quite hardy then
[19:54] <Upu> they flex
[19:54] <Upu> like paper
[19:54] <fsphil> in the picture they look quite fragile
[19:54] <navrac> angle the slightly and it will come down spinning
[19:55] <navrac> they are very flexible
[19:55] <Upu> once the top half is glued on
[19:55] <Upu> all they are going to do worse case is flap about
[19:55] <Upu> they are attached to the antenna radial straws
[19:55] <navrac> actually spinning the payload might be interesting - wouldnt need a chute
[19:56] <Upu> well
[19:56] <Upu> I don't want to spin
[19:56] <m0psi> hey upu you could put them at an angle/pitch ready for auto-rotation landing!
[19:56] <Upu> lol
[19:56] <navrac> yep exactly
[19:56] <m0psi> like a deadstci hellicopter
[19:56] <fsphil> tree detected, hovering
[19:56] <navrac> if the aerial is straight doen, no doppler
[19:56] <Upu> I really hope its sunny on Friday so we can check it before launch
[19:57] <Upu> but I'm not holding my hope sup
[19:57] <m0psi> get a torch mate, hang it on the line
[19:57] <navrac> I'll keep my fingers crossed and colinear high
[19:57] <m0psi> that would work :-)
[19:57] <Upu> well its just a secondary payload
[19:57] <fsphil> I'll be tracking from a bus :)
[19:58] <navrac> it might be secondary - but its interesting
[19:58] <Upu> well its a free ride so thought I'd just throw as much at it as I can
[19:58] <Upu> hence new code, 100 baud (see how people get along with that) and the solar ofc
[19:59] <navrac> have you got time to put the dominoex in
[19:59] <Upu> no
[19:59] <Upu> sadly :)
[19:59] <navrac> :-(
[19:59] <Upu> but can make more
[19:59] <navrac> I'm on to weird aerials now
[20:00] <Upu> yeah I considered your design but then though the 4 radials would make it easier
[20:00] <navrac> yeah, plenty of time for different designs - thats the fun of it
[20:00] <Upu> K6RPT-10 is up.
[20:01] <Upu> http://aprs.fi/#!mt=roadmap&z=9&call=a%2FK6RPT-10&timerange=43200
[20:02] <Upu> can we get that piped through to spacenear.us ?
[20:02] <navrac> is it a floater?
[20:02] <Upu> no idea
[20:02] <Upu> I'm going to get them on here if it kills me
[20:03] <RG-lz1dev> jcoxxon, had a script that moved aprs data to spacenears
[20:03] <Willdude123> Was Jason using dl-fldigi on the Gadget Show last night?
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[20:04] <navrac> yes - although it was just about off the top of the frequency range
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[20:04] <KT5TK_QRL> K6RPT-10 is up. Ron said he was testing the current batch of Hwoyee 1600g balloons.
[20:05] <navrac> ah - watch the altitude then...
[20:05] <Willdude123> Can I read more about the exact setup of the payload on the gadget show, and the tracking system, somewhere?
[20:05] <Upu> hey KT5TK just talking about it
[20:06] <Upu> Shame Ron doesn't come on here
[20:07] <Upu> sure it would be mutally beneficial
[20:07] <navrac> interesting how short range aprs is
[20:08] <KT5TK_QRL> Just read it on the GPSL mailer. Just know that he's often using the BigRedBee 2m transmitters
[20:08] <navrac> BigRedBee: BeeLine GPS version 10 (tracker)
[20:09] <Upu> zzz
[20:09] <navrac> loads of listening stations though - I wonder what the density is in the uk
[20:09] <Upu> not as high
[20:10] <navrac> 34 within 5 miles by the looks of it
[20:10] <Willdude123> Are APRS and RTTY completely different things?
[20:10] <navrac> yep - aprs is for girls.
[20:10] <Dan-K2VOL> yes willdude
[20:11] <navrac> :-)
[20:11] <Upu> got it
[20:11] <Upu> K6RPT-10 on spacenear.us
[20:11] <Dan-K2VOL> rtty is just a method for encoding bits, typically 50-100 baud. aprs is typically 300 baud, and includes a full robust protocol
[20:11] <Dan-K2VOL> or 1200 baud
[20:12] <mattbrejza> Dan-K2VOL: i heard you were interested in the cc430?
[20:12] <Dan-K2VOL> indeed, just curious how that went
[20:12] <mattbrejza> well it hasnt gone up yet
[20:13] <mattbrejza> but it seems to work fine
[20:13] <Dan-K2VOL> have you cold tested it's drift with dry ice?
[20:14] <Upu> well he's going for a float with that ascent rate
[20:14] <navrac> looks like it
[20:14] <Dan-K2VOL> ugh my speedball2 iridium shield has a damn short in it somewhere
[20:14] <RocketBoy> strangely way way back when we started HABIng in the UK it was my intention to use 300baud FSK (HF) packet on 70cms - but its wort of got usurped by 50 baud FSK RTTY
[20:14] <mattbrejza> ive cold tested in a freezer
[20:14] <Upu> evening RocketBoy
[20:14] <Willdude123> So RTTY is better?
[20:14] <Dan-K2VOL> rtty is simpler to program
[20:15] <meatmanek> simpler to program as in easier to write something that encodes it?
[20:15] <eroomde> evenpeepers
[20:15] <mattbrejza> drift is dependent on the crystal? or did you mean sometihng else Dan-K2VOL ?
[20:15] <RocketBoy> yeah - but 300baud packet is not much harder
[20:15] <navrac> rtty gets a longer range - but a lot more complex and requires dedicated listeners. APRS is built in to a lot of rigs so tracking just happens
[20:16] <RocketBoy> anyway is not a fldigi option IIRC
[20:16] <navrac> but we cant do aprs in the uk airbourne
[20:16] <Dan-K2VOL> however, aprs requires one follow the complex protocol precisely, and maintain tight frequency stability
[20:16] <Laurenceb> we've had long range with 300baud rtty
[20:16] <Laurenceb> hundereds of Km
[20:16] <RocketBoy> yeah
[20:16] <RocketBoy> that what we started out using
[20:16] <Laurenceb> but not to the horizon like with 50baud iirc
[20:17] <Laurenceb> but that might just be luck
[20:17] <Dan-K2VOL> aprs is fine if you want to do it, just more complicated
[20:17] <navrac> its 'horses for courses' really - if i was in the states i'd use aprs
[20:17] <Dan-K2VOL> and receivers are all over the US
[20:17] <Dan-K2VOL> for APRS
[20:17] <Upu> Well I thought I'd give 100 baud a go see how people get along with it
[20:17] <Dan-K2VOL> however, the receivers are running 1200 baud
[20:17] <Dan-K2VOL> in the states
[20:17] <meatmanek> I had a really good experience with APRS on my first flight
[20:18] <RocketBoy> it needs a lot more power to be effective
[20:18] <meatmanek> I'd believe that
[20:18] <meatmanek> but on the other hand you get repeaters and mapping for free
[20:18] <navrac> well I think that with the improvement in receivers we are really at los now - 50 or 300 isnt that much different - local intermittant qrm makes 300 quite attractive
[20:18] <Upu> Steve we might be doing an APRS Pico across Europe soon
[20:18] <Dan-K2VOL> cool
[20:18] <Upu> using a deshelled HX1
[20:18] <Upu> http://www.youtube.com/watch?v=Zh2dYZHYrDw
[20:19] <daveake> There's a great community spirit in HAB here and I think the shared responsibility for tracking RTTY helps with that
[20:19] <navrac> I agree
[20:19] <fsphil> I wouldn't have tried doing the images thing if I was using aprs
[20:20] <navrac> chasing a payload is a great challenge and a lot of fun trying to get the payload as low as possible
[20:20] <Dan-K2VOL> yeah, optimizing low weight means lower power, and lower speeds
[20:20] <Dan-K2VOL> and more challenge
[20:20] <daveake> Plus, needing less power means we can get the tracker weight down low
[20:20] <daveake> must type faster
[20:21] <navrac> although it ends up costing a forture in preamps and bigger aerials
[20:21] <fsphil> I'd have had to get the same antenna for aprs
[20:21] <fsphil> although would have gotten away with a much cheaper radio :)
[20:21] Action: daveake stares in Upu's general direction
[20:21] <eroomde> i'd like to see how much stuff people can get into a 3kg payload using the kind of lengths they're going to to save mass
[20:21] <Dan-K2VOL> hehe
[20:21] <Upu> me ?
[20:21] <eroomde> i imagine we'd get a complete gas chromotograph
[20:21] <Upu> lol
[20:21] <eroomde> some kind of spectrometer
[20:22] <Dan-K2VOL> nah, we'd be flying vacuum-tube transmitters just for the hell of it
[20:22] <daveake> ssshh :)
[20:22] <Willdude123> What is the lightest payload flown?
[20:22] <Dan-K2VOL> 0g
[20:22] <SpeedEvil> Time of flight mass spectrometer doesn't look too hard
[20:22] <navrac> I'm trying to resist the 29 element tonna on ebay at the moment
[20:22] <eroomde> or indeed, perhaps a stabilised platform
[20:22] <eroomde> for northen light panoramas
[20:22] <Laurenceb> *cough*
[20:22] <Dan-K2VOL> willdude, not really a question that can be answered without qualifications
[20:23] <Laurenceb> rockoon
[20:23] <SpeedEvil> :-)
[20:23] <Laurenceb> 3Kg could do orbit
[20:23] <Laurenceb> ill be quiet now
[20:23] <navrac> lightest - probably 30g ish
[20:23] <SpeedEvil> Laurenceb: kick(motor)starter
[20:23] <Laurenceb> hehe
[20:23] <Upu> I could do a 15g but it would be gragile
[20:23] <Upu> fragile
[20:23] <Laurenceb> its time not money
[20:23] <Laurenceb> thats needed
[20:24] <navrac> yep - insulation adds a lot of weight
[20:24] <SpeedEvil> time is money
[20:24] <Dan-K2VOL> have a robot assemble it in a larger payload bay upu
[20:24] <Dan-K2VOL> mid air
[20:24] <Upu> lol
[20:24] <eroomde> yeah
[20:24] <eroomde> deploy it midway up
[20:24] <Laurenceb> you cant pay someone to make a launch platform
[20:24] <eroomde> we did a bit of work with tow-balloons in the past
[20:24] <eroomde> it's a nice technique
[20:25] <SpeedEvil> Laurenceb: Boeing disagrees.
[20:25] <Dan-K2VOL> I've been thinking about using peltier devices and reflectors to make crystal freezers
[20:25] <Laurenceb> for a sane price
[20:25] <Dan-K2VOL> keep the temperature a uniform very cold
[20:26] <eroomde> Dan-K2VOL: good idea
[20:26] <eroomde> i looked at a peltier to temp control a pressure sensor housing
[20:26] <eroomde> but then lost the need for the device
[20:26] <Dan-K2VOL> ahh
[20:26] <eroomde> but it was to measure absolute pressure and delta pressure at very low pressures
[20:26] <eroomde> differences much smaller than the drift
[20:26] <Laurenceb> yeah
[20:27] <Laurenceb> thats a really hard problem
[20:27] <Dan-K2VOL> interesting
[20:27] <Laurenceb> eroomde: have you looked at microbridge?
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[20:27] <Lunar_Lander> hello
[20:27] <eroomde> don;t think so?
[20:27] <eroomde> no
[20:28] <Laurenceb> interesting pressure sensors
[20:29] <Laurenceb> but hot wire based
[20:29] <eroomde> measuring convective cooling?
[20:30] <Laurenceb> yes
[20:30] <eroomde> cool
[20:30] <eroomde> if that's the word
[20:30] <Dan-K2VOL> heh
[20:31] <Laurenceb> dunno how it would scale to low absolute pressure
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[20:36] <Laurenceb> but they seem by far the best low diff pressure sensors
[20:36] <Laurenceb> honeywell "trustability" digital sensors are quite new, and look decent
[20:36] <Laurenceb> but expensive and a bit hard to find
[20:36] <eroomde> i don't trust anything digital for this
[20:37] <eroomde> would rather have a simple bridge and do the rest myself
[20:37] <eroomde> i can do better cmrr and other kinds of r myself
[20:37] <Laurenceb> i think theres more room for interference like that
[20:37] <Lunar_Lander> Laurenceb, so they are Pirani gauges?
[20:37] <eroomde> Laurenceb: there would be in theory
[20:37] <Laurenceb> having said that im looking for mini pitot sensors for autopilot boards
[20:38] <Laurenceb> your requirements are a little different
[20:38] <Laurenceb> you can afford more shielding
[20:38] <eroomde> but for this kind of thing you'd definitely make it increibly low noise and emi shielded
[20:38] <eroomde> and put a lot of effort into supply stability and noise surpresion
[20:38] <Laurenceb> my honeywell 26pc01smt based system i have atm is pretty poor
[20:38] <Laurenceb> interference from my honeywell magno
[20:38] <eroomde> yeah we used the old 26pc stuff
[20:39] <Laurenceb> i spent ages looking at all the noise sources, and i got it all right
[20:39] <Laurenceb> didnt realise the honeywell magnos chuck out no end of mess
[20:40] <Laurenceb> its right next to the magno on the same rail
[20:40] <Laurenceb> 20Pa rms noise :(
[20:40] <Laurenceb> at 15hz bandwidth
[20:40] <eroomde> nice :)
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[20:41] <Laurenceb> with magno off its less than 1Pa
[20:41] <eroomde> on one of our things, admittedly back when i had zero clue about this stuff, we picked up the telemetry with the pitot sensor v nicely
[20:41] <Laurenceb> heh
[20:41] <Laurenceb> i should make a new autopilot board
[20:42] <Laurenceb> but openpilot revolution is looking tempting
[20:42] <Laurenceb> maybe ill clone it and add integrated gps and decent ISM band stuff
[20:45] <danielsaul> Laurenceb: Are you a plane/glider or copter person?
[20:46] <danielsaul> I'm very tempted by the revo...
[20:46] <Laurenceb> neither
[20:46] <Laurenceb> atm...
[20:46] <Laurenceb> im more excited by plane/glider
[20:46] <danielsaul> Ah ok
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[22:18] <SpeedEvil> http://m.youtube.com/#/watch?vq=medium&start=24&html5=1&v=cosGs3_h48Y
[22:18] <SpeedEvil> Microsoft and animal cruelty
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[22:20] <griffonbot> Received email: "Re: [UKHAS] Gadget show tonight"
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[22:30] <Upu> don't fancy that recovery
[22:31] <Lunar_Lander> hi Upu
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[22:31] <Upu> evening Lunar
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[23:03] <daveake> Hey RocketBoy ... if you're at Elsworth on Friday watch out for incoming ;) http://habhub.org/predict/#!/uuid=e557e9dfc1da0e2be5b05613899d11310b4ddea5
[23:03] <eroomde> watch me write 300 lines of python without a single bug
[23:03] <eroomde> this serves as a metaphor
[23:03] <eroomde> http://i.imgur.com/7PMzY.gif.jpg
[23:04] <arko> hahahahaha
[23:04] <Upu> I think some has spent alot of time getting that prediction right
[23:04] <daveake> lol
[23:04] <daveake> true
[23:04] <Upu> because I'm not sure they come down at 3.8m/s
[23:04] <daveake> Can be done :)
[23:05] <eroomde> worth it
[23:05] <daveake> I'd need a bigger store for my HAB points
[23:05] <Upu> lol
[23:08] <eroomde> i would track it somewhat like this if you have a go
[23:08] <eroomde> http://i.imgur.com/bNbxv.gif.jpg
[23:08] <daveake> lol
[23:09] <Upu> is there an search for random animated gifs on imgur search engine ?
[23:09] <eroomde> i don;t want to tell you because i don't want other people posting memes
[23:09] <eroomde> just me
[23:09] <eroomde> http://i.imgur.com/Fl3Ei.jpg
[23:09] <daveake> Landing on Steve's field is probably harder than http://i.imgur.com/i4Jmr.gif
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[23:11] <mrShrimp> Hi! I was wondering if anyone could direct me to a suitable and free alternative for the Virtual Audio Cable software?
[23:12] <eroomde> just imagine if you did pull it off though daveake
[23:12] <Upu> and when you find it please put it on the wiki
[23:12] <Upu> because someone linked it once and I just can't find it
[23:12] <eroomde> you'd have lunar and chris hillcox going mental
[23:12] <eroomde> http://www.reactiongifs.com/wp-content/gallery/omg/OMGOOh1.gif
[23:12] <daveake> :D
[23:12] <Upu> haha
[23:12] <RG-lz1dev> haha
[23:12] <mrShrimp> 0_0
[23:12] <Lunar_Lander> xD who is chris hillcox?
[23:12] <daveake> I'd have a chorus of "fixed!"
[23:12] <eroomde> that dude with you in the gif
[23:13] <Lunar_Lander> ROFL
[23:13] <Upu> lol
[23:13] <Laurenceb> http://www.reactionengines.co.uk/news_updates.html
[23:13] <Upu> Chris is the person who runs BALLOON NEWS
[23:13] <Laurenceb> hmm a proper job
[23:13] <Lunar_Lander> oh
[23:13] <Upu> and imports Pawan balloons
[23:13] <Laurenceb> sounds good
[23:13] Action: daveake saves that path, converts to C, and writes code to match lat/long with altitude
[23:14] <Lunar_Lander> Upu, like he interviews Oliver and claims that the mexicans build a cutdown device that costs $150?
[23:14] <Upu> thats the one
[23:14] <Laurenceb> http://bcas.tv/paste/results/oMFPh467.html
[23:14] <RG-lz1dev> daveake: convert fails, enjoy a night of debugging
[23:14] <RG-lz1dev> :D
[23:14] <eroomde> the mexicans invented everything first
[23:14] <eroomde> mrShrimp: try #rtlsdr
[23:14] <mrShrimp> ok, will do!
[23:15] <Upu> and seriously mrShrimp if you find out please tell me
[23:15] <Upu> there is a program out there
[23:15] <mrShrimp> ok
[23:15] <eroomde> they are good at pc audio stuff for software radio
[23:15] <mrShrimp> I have been using stereo mixer so far
[23:15] <mrShrimp> but it also records all the sounds that the computer makes otherwise
[23:18] <Upu> look for software to allow recording of DRM encrypted music
[23:19] <eroomde> official legal advice ^
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[23:20] <daveake> Apparently HAB has a "difficulty" level of 9 ... http://techandcomms.wordpress.com/2012/11/04/a-dozen-things-to-do-with-a-raspberry-pi/
[23:21] <Laurenceb> is getting laid a 10 ?
[23:21] <daveake> No, but your mileage may vary
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[23:24] <mrShrimp> If I installed windows xp in virtualbox, would I be able to utilise VAC 3 (now entirely free) to input the audio into dl-fldigi?
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[23:25] <mrShrimp> All the other programs would probably be running outside of xp, so I am not sure if there are compatibility errors that will come up.
[23:27] <daveake> Anyone tried making a 360? e.g. http://www.airpano.com/360Degree-VirtualTour.php?3D=Stratosphere
[23:27] <natrium42> yes
[23:28] <natrium42> http://www.flickr.com/photos/natrium42/2935314809/
[23:28] <natrium42> http://www.flickr.com/photos/natrium42/2936170158/
[23:29] <daveake> Nice, though the one I linked you can scroll around in, which is nice
[23:29] <mrShrimp> Impressive!
[23:29] <natrium42> that's just javascript or flash
[23:29] <daveake> sure
[23:29] <natrium42> anyway, it's really easy to do
[23:29] <RG-lz1dev> mrShrimp: http://blog.dixo.net/wp-content/uploads/2012/06/bbcpi-300x179.jpg
[23:29] <natrium42> just use http://www.kolor.com/panorama-software-autopano-pro.html
[23:30] <RG-lz1dev> have you tried that?
[23:30] <natrium42> select photos at a range of altitude that you want to get the panorama for
[23:30] <RG-lz1dev> ahh wrong link
[23:30] <natrium42> and dump it into kolor autopano
[23:30] <RG-lz1dev> mrShrimp: try http://www.barix.com/downloads/file/Virtual_Audio_Card_VACard_2b1_ZIP/9481/221
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[23:31] <natrium42> though i used video frames for that panorama
[23:31] <mrShrimp> Ah, thank you!
[23:31] <RG-lz1dev> tell me if it works, never tried it
[23:31] <RG-lz1dev> so we can include it in the wiki
[23:32] <RG-lz1dev> if it does :)
[23:32] <mrShrimp> will do
[23:32] <mrShrimp> @natrium43, You could try using a stabilising fin on your payload and hook the camera up to a servo in an open-air payload to get a smoother panorama.
[23:33] <mrShrimp> That would be a fun payload to design.
[23:34] <natrium42> yes, but random camera movements work just as well
[23:35] <natrium42> it can match features in images and stitch them toegether
[23:37] <SpeedEvil> not quite
[23:37] <SpeedEvil> random camera movements with zero frame time
[23:37] <SpeedEvil> both rolling shutter, and motion blur cause issues
[23:38] <natrium42> ccd sensors don't have a rolling shutter
[23:39] <natrium42> blur is an issue, but earth is pretty bright
[23:39] <natrium42> so exposure time doesn't have to be long
[23:39] <SpeedEvil> it's several pixel blur
[23:40] <SpeedEvil> at least
[23:40] <natrium42> depends on the rotation rate and shutter speed
[23:41] <natrium42> i don't see that much blur
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[23:55] <SpeedEvil> zoom in
[23:55] <SpeedEvil> I've seen 10ish pixels on most hab flights
[23:57] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Gadget show tonight"
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[00:00] --- Wed Nov 7 2012