highaltitude.log.20120413

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[02:05] <griffonbot> Received email: Dan Bowen "[UKHAS] need a bit of help with Auto-IT script for balloon"
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[02:34] <griffonbot> Received email: Dan Bowen "[UKHAS] White Star Static Launch Announcement"
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[04:33] <oh7lzb> ~,
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[06:05] <Elmar_PD3EM> morning!
[06:06] <schofieldau> any launches today? friday the 13th seems like a good day for it :P
[06:06] <Elmar_PD3EM> GM schofieldau
[06:07] <Elmar_PD3EM> I think a launch is posponed....
[06:07] <schofieldau> ah
[06:08] <Elmar_PD3EM> there are a few saterday/sunday
[06:08] <schofieldau> yep horus are this sunday in my neck of the woods
[06:09] <schofieldau> reminds me, @Darkside: any chance of a spot?
[06:09] <Elmar_PD3EM> saw the announcement via vk5fsck
[06:11] <Elmar_PD3EM> did you start with the temp sensors yet schofieldau ?
[06:12] <schofieldau> nope I haven't I plan to get my hands on some first
[06:14] <Elmar_PD3EM> that would make it easier to test ;-)
[06:14] <Elmar_PD3EM> I have a MS5607 from parallax but didn't work out too well so far
[06:15] <Elmar_PD3EM> need to rewrite the whole sample script because there some basic errors in it
[06:16] <Elmar_PD3EM> ordered a few ds18B20 meanwhile
[06:16] <schofieldau> isn't the MS5607 an altimiter?
[06:16] <Elmar_PD3EM> yep, reads (digital) temp and pressure
[06:17] <Dan-K2VOL> what is altitude ceiling on it
[06:17] <Elmar_PD3EM> 10-1200 mbar pressure
[06:17] <schofieldau> "Successfully tested at 120,000 feet"
[06:17] <Elmar_PD3EM> sample script is a pain in the A
[06:18] <Elmar_PD3EM> yes, looks promissing but sample arduino script is not quite good
[06:18] <Elmar_PD3EM> \
[06:19] <schofieldau> Elmar: http://code.google.com/p/ardroneme/downloads/detail?name=NavData2.zip&can=2&q=
[06:19] <schofieldau> that may be of some use
[06:20] <Elmar_PD3EM> thanks. Gonna take a look at it later. I'm in the office now and need to work on other things ;-)
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[07:35] <UpuWork> New payload : http://1.bp.blogspot.com/-0J8HGCYUJso/T4dYLXGndhI/AAAAAAAAFog/TykBKWDhGFA/s1600/563282.jpg
[07:39] <Elmar_PD3EM> some wires still need to be connected ;-)
[07:39] <schofieldau> upu: nice and... compact :P
[07:39] <UpuWork> p.s thats not mine
[07:39] <UpuWork> but I like it
[07:39] <fsphil> is that a bomb?
[07:39] <UpuWork> thats how I picture the inside of my brain
[07:39] <junderwood> Is it Italian? Spaghetti everywhere
[07:40] <UpuWork> Who is M0PDA ?
[07:40] <junderwood> qrz.com says he is Paul from Bury St Edmunds
[07:41] <UpuWork> yeah missing a house number
[07:41] <junderwood> Wise
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[07:53] <fsphil> qrz is a maze of hosts not found and temporary passwords that don't work
[07:54] <number10> I saw M0PDA on the map tracking a few times from great bradley but never said anything in chat - just noticed as not far from here
[07:59] <Elmar_PD3EM> or sent him an email
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[08:07] <UpuWork> I sent him a mail
[08:22] <Elmar_PD3EM> looks like its #9 or #10 if you check streetview ;-)
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[08:23] <Elmar_PD3EM> or # 7 when counting the other way round
[08:30] <daveake> According to BBC radio news just now, Gatwick was closed this morning due to "a lost balloon near the airport"
[08:31] <daveake> Can't see anything online aside from this at the Gatwick twitter account - "All flights now returning to normal at Gatwick after short delay."
[08:32] <jgrahamc> Sky News reported that it was a hot air balloon.
[08:32] <jgrahamc> Not sure how accurate that was.
[08:32] <daveake> Presumably they sceambled a Typhoon to "assist"? :p
[08:33] <daveake> excsuse my scrambled "sceambled"
[08:33] <fsphil> how'd they know it was lost?
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[08:37] <gonzo_> it was seen along the A1 asking directions
[08:40] <griffonbot> @amradvictoria: Project Horus Balloon Launch http://t.co/vf8J3dZq #vk #projecthorus #hamradio [http://twitter.com/amradvictoria/status/190721075406057472]
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[08:59] <griffonbot> Received email: Spike (Chris Foote) "[UKHAS] 'Stray Hot Air Balloon Disrupts Gatwick Flights'"
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[09:09] <nosebleedkt> Hello all! 4 days off from work :)
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[09:16] <fsphil> you lucky git nosebleedkt :)
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[09:26] <nosebleedkt> fsphil at work ?
[09:26] <Laurenceb> everyone here is at "work"
[09:26] <nosebleedkt> Laurenceb ;)
[09:26] <navrac> ;-)
[09:27] <nosebleedkt> I have some questions about CHDK but the CHDK guys dont answer me at all :p
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[09:30] <jgrahamc> What are your CHDK questions?
[09:32] <nosebleedkt> jgrahamc brb
[09:32] <jgrahamc> OK
[09:33] <nosebleedkt> back
[09:33] <nosebleedkt> jgrahamc well first question is why I cannot print floating poing numbers on the screen ?
[09:34] <nosebleedkt> in LUA scripts
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[09:34] <jgrahamc> Can you post some code somewhere?
[09:35] <nosebleedkt> yeah
[09:36] <nosebleedkt> http://pastebin.com/0MG0Tq84
[09:36] <nosebleedkt> Bv value
[09:37] <nosebleedkt> aka luminance
[09:37] <nosebleedkt> the B calculation is wrong so dont pay attention there
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[09:38] <nosebleedkt> CHDK OSD correctly prints 2.03 for example. My 'print' prints 203
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[09:38] <nosebleedkt> I do /100 and then get 2!
[09:39] <nosebleedkt> it misses the .03
[09:39] <nosebleedkt> :P
[09:40] <nosebleedkt> I tried print(string.format("Bv= %f", Bv)) and it prints 'f' !
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[09:47] <nosebleedkt> jgrahamc got confused :P
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[09:52] <jgrahamc> Just a moment
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[09:55] <jgrahamc> That is odd.
[09:55] <Darkside> http://simonwang.tumblr.com/post/20926352360/meanwhile-in-australia-bobble-headed-birds
[09:57] <jgrahamc> nosebleedkt: what does your get_luminance() function print out?
[09:57] <nosebleedkt> Bv f
[09:58] <nosebleedkt> http://chdk.setepontos.com/index.php?topic=3043.0 , here says that lua numbers are only integers.
[09:58] <jgrahamc> That's what the code in the pastebin prints?
[09:58] <nosebleedkt> yes
[09:58] <nosebleedkt> no,
[09:58] <nosebleedkt> print("Bv ", Bv) --> Bv 203
[09:59] <nosebleedkt> which should print 2.03
[09:59] <Laurenceb> http://26.media.tumblr.com/tumblr_m0xdeak4Q51r4t9h1o1_500.jpg
[09:59] <Laurenceb> trollbird
[09:59] <jgrahamc> OK. So the Lua wiki for CHDK says that it doesn't support floats (which explains why on GAGA-1 I only used integer values for everything).
[09:59] <Darkside> kingfisher :-)
[09:59] <jgrahamc> http://chdk.wikia.com/wiki/Lua
[10:00] <jgrahamc> So, it sounds like get_prop(34) is returning an integer.
[10:00] <jgrahamc> What camera is this?
[10:00] <nosebleedkt> A490
[10:03] <jgrahamc> It must be that they are returning the Bv value displayed on the camera * 100
[10:05] <nosebleedkt> yes I then do Bv = get_prop(34) / 100
[10:05] <nosebleedkt> and i get printed just 2
[10:05] <nosebleedkt> in the case of 203
[10:07] <jgrahamc> Right. Because the built-in Lua doesn't support floating point so in integer arithmetic 203/100 = 2
[10:07] <jgrahamc> That also explains why %f doesn't work. It isn't compiled in because there's no floating point support.
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[10:08] <nosebleedkt> Ok
[10:08] <nosebleedkt> At least there is a reason now :)
[10:08] <nosebleedkt> so in the price of accuracy i dont miss much :)
[10:09] <nosebleedkt> I'll stick with the integers.
[10:09] <jgrahamc> Basically you can do everything with integer arithmetic just remembering that it's all *100
[10:09] <nosebleedkt> ok. I will just /100 them :)
[10:09] <jgrahamc> Or make sure everything has been adjusted to the right value.
[10:09] <jgrahamc> i.e. *100 some things.
[10:10] <nosebleedkt> but I dont understand how the OSD can correctly print 2.03
[10:10] <nosebleedkt> see this: http://i141.photobucket.com/albums/r73/csshih/_MG_5923-800.jpg
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[10:10] <nosebleedkt> right upper corner.. B: xxx.x
[10:10] <nosebleedkt> my camera there prints B: 2.03
[10:11] <nosebleedkt> so I supposed that if chdk can do it also lua can do it
[10:11] <jgrahamc> Well perhaps it's not written in Lua, or perhaps they simply cheat.
[10:11] <nosebleedkt> yeah :)
[10:11] <nosebleedkt> tricky guys
[10:11] <nosebleedkt> Ok 1q solved.
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[10:11] <nosebleedkt> Ok 1st q solved.
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[10:11] <jgrahamc> For example, support you have a value like 203 which you want interpreted as 2.03 when printed, you could do string.format("%d.%02d", 203/100, 203 % 100)
[10:12] <nosebleedkt> let me try that please
[10:12] <nosebleedkt> just from curosity
[10:12] <jgrahamc> Go ahead.
[10:13] <nosebleedkt> omfg~
[10:13] <nosebleedkt> it did it !
[10:14] <nosebleedkt> jesus resurrected earlier !
[10:14] <jgrahamc> Sorry, not God, just someone who's been programming _forever_
[10:14] <nosebleedkt> LOL!
[10:14] <fsphil> nosebleedkt, does it have the modulus operator?
[10:14] <fsphil> oh jgrahamc got there already :)
[10:14] <nosebleedkt> yea !
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[10:15] <fsphil> I once heard that jgrahamc can walk across water while programming
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[10:15] <nosebleedkt> xaxaxax
[10:15] <nosebleedkt> fsphil: too mainstream :)
[10:16] <gonzo_> I can wet myself whilst walking, is that close?
[10:16] <nosebleedkt> well I have a 2nd question now !
[10:16] <jgrahamc> :-)
[10:16] <gonzo_> (and do the miricle of truning wine into water)
[10:16] <nosebleedkt> jgrahamc got time ?
[10:16] <jgrahamc> Go ahead
[10:16] <nosebleedkt> 5e in jgrahamc's paypal!
[10:17] <jgrahamc> What's the question?
[10:17] <nosebleedkt> wait dude :)
[10:18] <nosebleedkt> this one is more on photography than CHDK programming
[10:18] <nosebleedkt> well Bv is the luminance
[10:18] <nosebleedkt> From that I want to calculate the B value
[10:18] <nosebleedkt> which according to chdk is the luminance cd/m^2
[10:19] <nosebleedkt> The Bv is now 4.09 and the B is 63.4
[10:20] <fsphil> next time I launch I'm gonna fix the camera settings
[10:20] <fsphil> take a value from a good photo on the last launch, use those
[10:20] <fsphil> "a value" = "the values"
[10:21] <nosebleedkt> fsphil: i found a female photographer who is helping me with the photos. She asked me to get the luminance for her. She also got a EPOD
[10:21] <fsphil> ah brilliant
[10:22] <nosebleedkt> this is her EPOD
[10:22] <nosebleedkt> http://epod.usra.edu/blog/2012/03/tiny-world-in-a-fallen-drop.html
[10:23] <nosebleedkt> jgrahamc are u there ? :p
[10:23] <jgrahamc> Yes
[10:23] <fsphil> beats all my pictures :)
[10:24] <Upu-> http://ijass.org/On_line/admin/files/2%29%28014-026%2911-030.pdf
[10:24] <Upu-> tl;dr life on Mars
[10:24] <nosebleedkt> fsphil :p
[10:24] <nosebleedkt> jgrahamc: can you help me with that question?
[10:24] <fsphil> I'm hoping that with the fixed camera settings it will be much easier to make panorama-- and also the black sky with a bit of earth pics won't be overexposed
[10:25] <jgrahamc> What was the question?
[10:25] <nosebleedkt> I want to calculate the B value
[10:25] <Upu-> Did i show you this http://photosynth.net/view.aspx?cid=4970652e-0fd2-48db-b906-1402ea2ed96a
[10:25] <nosebleedkt> which according to chdk is the luminance cd/m^2
[10:25] <nosebleedkt> The Bv is now 4.09 and the B is 63.4
[10:25] <nosebleedkt> How do i calculate the B value !
[10:25] <jgrahamc> I see.
[10:26] <jgrahamc> Can you point me to where it talks about this on the CHDK pages?
[10:26] <nosebleedkt> yeah momento please!
[10:28] <nosebleedkt> jgrahamc: http://chdk.wikia.com/wiki/CHDK_User_Manual
[10:28] <nosebleedkt> look for "Show Scene luminance"
[10:29] <nosebleedkt> it says the ratio Bv=12.5 but im not really sure what does it mean
[10:32] <jgrahamc> Not sure I'm going to be a big help here. The only way to really determine what they mean by that is to dig into the CHDK source code and figure out what they are doing.
[10:32] <nosebleedkt> i thought of that yesterday but i cant find where the source code is
[10:33] <jgrahamc> https://trac.assembla.com/chdk/browser
[10:33] <nosebleedkt> cool !
[10:33] <nosebleedkt> digging right ahead
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[10:36] <cuddykid> ping WillDuckworth
[10:36] <nosebleedkt> think i found it
[10:37] <nosebleedkt> jgrahamc: http://pastebin.com/J0v34nh5
[10:37] <daveake> Well, I want one, but not at that pirce! http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=300695142976&ssPageName=ADME:B:SS:GB:1123#ht_500wt_1413
[10:37] <nosebleedkt> should be that shooting_get_luminance()
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[10:38] <jgrahamc> Looks promising
[10:39] <nosebleedkt> jgrahamc well i found everything there
[10:39] <nosebleedkt> gui_print_osd_misc_string_float("B :%d.%02d", 100, expo.b);
[10:39] <nosebleedkt> your print !!!
[10:39] <jgrahamc> :-)
[10:42] <jgrahamc> int b=(int)(100*k*pow(2.0,((double)(bv-168)/96.0)));
[10:42] <jgrahamc> That's the key line. Notice that it's using double precision floating point to do the calculation.
[10:42] <fsphil> would be nice if you could control the camera a bit more closely. just have a C program, and a function take_picture() that returns a jpeg
[10:43] <nosebleedkt> jgrahamc where did u find that line?
[10:43] <jgrahamc> It's in the function shooting_get_luminance
[10:43] <jgrahamc> core/shooting.c
[10:43] <jgrahamc> k is 12.5
[10:43] <jgrahamc> bv is the Bv value
[10:43] <jgrahamc> b is the luminance value you were looking for
[10:44] <nosebleedkt> but i cannot use shooting_get_luminance() in the lua.. it prints some error
[10:44] <nosebleedkt> that i cant use a global function
[10:44] <nosebleedkt> does lua accept int B=(int)(100*k*pow(2.0,((double)(bv-168)/96.0))) ?
[10:44] <jgrahamc> No it's not going to because Lua has no floating point.
[10:44] <WillDuckworth> hey cuddykid - not looking good here at moment unfortunately
[10:45] <cuddykid> WillDuckworth: oh no :( what's up?
[10:45] <nosebleedkt> so now what?
[10:45] <WillDuckworth> power problems atm
[10:45] <nosebleedkt> brb
[10:46] <jgrahamc> You could modify CHDK so that there's a Lua interface that calls shooting_get_luminance for you and returns the integer value
[10:46] <cuddykid> does anyone know where to get balsa wood from? Tried wickes, home base and local hobby shops with no luck..
[10:46] <jgrahamc> Then you'd build your own CHDK and load it onto the camera
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[10:47] <cuddykid> WillDuckworth: damn :( keep me informed of progress :)
[10:47] <cuddykid> WillDuckworth: need any components?
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[10:48] <jgrahamc> nosebleedkt: do you have an idea of the possible range of the Bv value?
[10:48] <WillDuckworth> think ok - thanks - will do :)
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[10:53] <nosebleedkt> jgrahamc: I will look for it
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[10:57] <nosebleedkt> jgrahamc: in full dark it printed -8.-16
[10:58] <nosebleedkt> should be of course -8.16
[10:58] <nosebleedkt> but your printf has some bug :P
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[11:00] <nosebleedkt> in cloudy daylight it printed 9.34
[11:01] <WillDuckworth> balls - think i've buggered the arduino
[11:01] <cuddykid> WillDuckworth: I've got a spare atmega328 chip if you need one? and spare arduino
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[11:02] <WillDuckworth> cheers - got some minis about - but it's all the faffing to get them wired up - will have a bash
[11:03] <cuddykid> yeah, it's a pain wiring them up - good luck
[11:08] <cuddykid> amazed that the big diy companies don't stock balsa wood!
[11:09] <daveake> Yep. I tried Hobbycraft but they only had sheet balsa
[11:10] <daveake> You need a proper model shop
[11:10] <nosebleedkt> jgrahamc are you there?
[11:11] <jgrahamc> i am back
[11:14] <jgrahamc> Do string.format("%d.%02d", Bv/100, abs(Bv % 100))
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[11:15] <eroomde> there is a power cut at culham
[11:15] <jgrahamc> nosebleedkt: Do you need to know this number frequently? Because if not you could just display the Bv on screen and use a pocket calculator to get the B
[11:15] <eroomde> ironically a place with thwo nuclear reactors
[11:15] <jonsowman> https://www.facebook.com/photo.php?fbid=10150784595031620
[11:15] <jonsowman> doing it right
[11:17] <nosebleedkt> jgrahamc: "Bv: %d.%02d", Bv/100, abs(Bv % 100) does not work
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[11:18] <nosebleedkt> it says 'calling abs with a nil value'
[11:18] <jgrahamc> What happens?
[11:19] <jgrahamc> Oh, wait. I think abs is in the Lua math library so you'd have to use math.abs()
[11:20] <nosebleedkt> runs but with bad results
[11:20] <nosebleedkt> im expecting -8.40 and i get 5.05
[11:21] <jgrahamc> That's odd
[11:21] <nosebleedkt> :p
[11:22] <SpeedEvil> http://fatpita.net/?i=14685 - angry birds.
[11:22] <jgrahamc> What does print(string.format("%d.%02d", -203/100, abs(-203 % 100)) give?
[11:22] <jgrahamc> Wait
[11:22] <jgrahamc> Do print(string.format("%d.%02d", -203/100, abs(-203) % 100)
[11:22] <nosebleedkt> ok give me a sex
[11:22] <nosebleedkt> sec*
[11:23] <fsphil> well now
[11:23] <jonsowman> fsphil: do you wait for these things to happen? :D
[11:23] <nosebleedkt> I do math.abs()
[11:23] <fsphil> "You'll be installing Microsoft Silverlight. It's small and fast"
[11:23] <fsphil> er, no
[11:24] <jonsowman> lol
[11:24] <jgrahamc> OK, so print(string.format("%d.%02d", -203/100, math.abs(-203) % 100)
[11:24] <fsphil> jonsowman, it's all scripted :)
[11:24] <jonsowman> fsphil: haha :D
[11:24] <nosebleedkt> it gives -2.03
[11:25] <jgrahamc> Cool.
[11:25] <jgrahamc> So then print(string.format("%d.%02d", Bv/100, math.abs(Bv) % 100) should work
[11:26] <nosebleedkt> ok got it
[11:26] <nosebleedkt> so in full dark i get -8.16
[11:27] <nosebleedkt> in cloudy light i got 10.76
[11:27] <kokey> hah, yikes, hot air balloon drifted by gatwick airport
[11:30] <cuddykid> daveake: best I can find is a ~19mm balsa dowel, that should suffice right?
[11:30] <nosebleedkt> jgrahamc: i guess more than 12 will never be
[11:30] <daveake> That's about the size I used for the Radiometrix logo
[11:31] <cuddykid> brill
[11:31] <jgrahamc> nosebleedkt: you still need a way to do that pow(2.0, ...) when you don't have floating point. If you really want to do it on the camera in Lua then you probably need to use the Taylor Series for 2^x with a limited number of terms since you don't need much accuracy,
[11:31] <jgrahamc> Or hack CHDK to call that function directly and give you the result.
[11:31] <daveake> It snapped on the way down., mind
[11:31] <cuddykid> daveake: do you have any photos of your setup?
[11:31] <jgrahamc> Depending on whether you are better at maths or programming you can choose which route you want.
[11:31] <daveake> On my blog, of course :p
[11:32] <nosebleedkt> taylor series! lol. I did that on the faculty but dont remember a thing !
[11:32] <cuddykid> daveake: oh yes, silly me haha
[11:32] <jgrahamc> The least hassle will be hacking CHDK
[11:33] <daveake> You don't need much for a label/photo/sign, but you'd need more for a Buzz for example :-). See Steve's one here - http://www.youtube.com/watch?v=xWATd0LRA_4
[11:33] <gonzo_> anyone played with the MAX757 step up regs?
[11:34] <kokey> is there any way to interface with the canon cameras, gpio/usb/i2c/something?
[11:34] <daveake> USB, if you fancy being a USB host :p
[11:34] <nosebleedkt> jgrahamc: this might help http://chdk.wikia.com/wiki/Lua/Lua_Reference/Native_Function_Calls
[11:34] <kokey> I assume the camera can't become a USB host easily
[11:35] <daveake> They can print directly to some photo printers
[11:35] <jgrahamc> You just need to hack core/luascript.c
[11:35] <jgrahamc> Add a function like this:
[11:35] <jgrahamc> static int luaCB_get_luminance( lua_State* L ) { lua_pushnumber( L, shooting_get_luminance() ); return 1; }
[11:35] <r2x0t> I think ATMEGA32U2 can be used to emulate printer
[11:35] <jgrahamc> Then add FUNC(get_luminance) to the table near the bottom of that file where the FUNCs are defined
[11:35] <nosebleedkt> jgrahamc: lol dude
[11:36] <jgrahamc> http://pastebin.com/wCPBJ7uk
[11:37] <nosebleedkt> yes but i need to recompile this stuff
[11:37] <kokey> r2x0t: won't work too well with making an ixus a flight computer, but I guess nice to make it talk to one
[11:37] <jgrahamc> What OS are you on?
[11:38] <nosebleedkt> win7 lol
[11:38] <nosebleedkt> should run linux on vbox
[11:39] <nosebleedkt> but the whole thing is going too far right now
[11:40] <jgrahamc> The truth about HAB is that it's complicated on many levels :-)
[11:40] <kokey> I find spinning up virtual machines for dev environments for gadgets work well
[11:40] <jgrahamc> I spent a year preparing GAGA-1 in my not very free time.
[11:41] <jgrahamc> Yes, I work on a Mac all the time, but I have a Ubuntu VM where I can do lots of work and also Windows VMs for some software that only comes on Windows.
[11:41] <jgrahamc> C'est la vie.
[11:41] <jgrahamc> You can compile CHDK on Windows without a VM. You just install cygwin.
[11:42] <nosebleedkt> hmm
[11:42] <nosebleedkt> so you are the gaga guy :)
[11:42] <kokey> though last night I found that there's quite a bit of overheading leaving a VM in a window with an elaborate screen saver running
[11:42] <nosebleedkt> gaga and other missions were my inspiration
[11:42] <nosebleedkt> :P
[11:43] <jgrahamc> Well GAGA-1 was seriously inspired by all the UKHAS and CUSF stuff, so I was on the shoulders of giants.
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[11:44] <cuddykid> http://habhub.org/predict/#!/uuid=bd4d0489a1884f9e49b4db7bc8a41568c3c0c8bf
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[11:46] <kokey> who is going to try launch first tomorrow?
[11:46] <nosebleedkt> jgrahamc: why they dont already include a get_luminance function in lua?
[11:46] <daveake> cuddykid If after landing you see the payload suddenly head off, it's in the boot of my car and I forgot to switch the tracker off :p
[11:46] <jgrahamc> Probably because nobody wanted it before.
[11:47] <nosebleedkt> gonna post it in the forum
[11:47] <cuddykid> daveake: lol
[11:47] <nosebleedkt> the last i helped them port chdk for A490. They might listen to me
[11:47] <nosebleedkt> last time*
[11:48] <jgrahamc> Great. You can point them to my pastebin if you like so they can just copy/paste the code.
[11:49] <nosebleedkt> yes I already write the post.
[11:49] <nosebleedkt> i;ll quote the code in the post.
[11:50] <daveake> kokey Tomorrow it's the 2 Mondo flights, plus Steve's XABEN has been moved to tomorrow
[11:50] <daveake> None others AFAIK
[11:50] <Laurenceb> http://www.athema.co.uk/vm617at-abu-hp-hp-zr30w-s-ips-lcd-monitor-tc01.html
[11:50] <Laurenceb> nice
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[12:02] <nosebleedkt> http://chdk.setepontos.com/index.php?topic=5051.msg84197#msg84197
[12:02] OZ1SKY_Brian (~Brian@x1-6-20-4e-7f-c8-44-7a.k599.webspeed.dk) joined #highaltitude.
[12:02] <nosebleedkt> lol he left and i wrote his name on the post
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[12:04] <OZ1SKY_Brian> Afternoon gents
[12:06] <pjm> howdo brian
[12:06] <OZ1SKY_Brian> Hi Paul.
[12:07] <OZ1SKY_Brian> looks like a busy ballon weekend
[12:07] <pjm> north korea will probably try to float a model satellite up on a balloon
[12:08] <OZ1SKY_Brian> LOL yeah
[12:08] <OZ1SKY_Brian> did you see this: http://news.sky.com/home/uk-news/article/16207829
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[12:10] <kokey> and yesterday it was some helicopter asking for help on the wrong frequency getting typhoons to scramble
[12:11] <OZ1SKY_Brian> nice :-)
[12:12] Nick change: Upu- -> UpuWork
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[12:14] <UpuWork> yeah thankfully that was me and Dave the other week
[12:15] <daveake> :p
[12:15] <OZ1SKY_Brian> :)
[12:16] <daveake> "Flights from Gatwick were disrupted today when a pilot reported being overtaken by Buzz Lightyear"
[12:16] <UpuWork> https://picasaweb.google.com/118244444241111963790/201203AvaLaunch2AvaPayloadRawPhotos3#5728555681530267538
[12:17] <UpuWork> top right is Gatwick
[12:17] Dan-K2VOL (~Dan-K2VOL@pool-108-35-8-128.nwrknj.fios.verizon.net) joined #highaltitude.
[12:17] <UpuWork> https://picasaweb.google.com/118244444241111963790/201203AvaLaunch2AvaPayloadRawPhotos3#5728555696905952194
[12:17] <UpuWork> better pic
[12:18] <UpuWork> don't ever land that close
[12:18] <UpuWork> its bad for your underpants
[12:18] <Darkside> what is gatwick?
[12:18] <UpuWork> internation airport
[12:18] <UpuWork> international
[12:18] <daveake> I wonderd why the curry house had a strange smell
[12:18] <Darkside> ahh
[12:21] <griffonbot> Received email: Gemma Rawcliffe "Re: [UKHAS] Monday (16th) Launch - 11am"
[12:21] <UpuWork> oh well so much for keeping that quiet :)
[12:21] <UpuWork> free gopros anyone ? :)
[12:22] <jonsowman> yes please
[12:22] <daveake> landing close to me :D
[12:22] <Dan-K2VOL> heh
[12:23] <daveake> Must remember to make sure my chase car isn't uploading its position when I go rob the payload of goodies
[12:32] <Laurenceb> http://static.rcgroups.net/forums/attachments/3/2/4/0/5/7/a4698202-217-DSCN7442.JPG
[12:34] <jonsowman> mm, fluxy
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[12:39] <griffonbot> Received email: Adam Cudworth "Re: [UKHAS] Monday (16th) Launch - 11am"
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[12:55] <eroomde> so much for keeping what quiet UpuWork ?
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[12:56] Lunar_LanderU (~kglinka@cip11.informatik.uni-osnabrueck.de) joined #highaltitude.
[12:56] <Lunar_LanderU> hello
[12:57] <Lunar_LanderU> and good afternoon
[12:57] <Lunar_LanderU> wherever you may be
[12:58] <PD3EM> Thanks for the AVA & CLOUD QSL card!! Was in the mail today :-)
[12:58] <Lunar_LanderU> hi PD3EM
[12:58] <PD3EM> ji Lunar_LanderU!
[12:58] <Lunar_LanderU> :) how are you?
[12:58] <PD3EM> the weekend has just begun
[12:59] <PD3EM> Lunar_LanderU: thanks I'm ok. and you?
[13:00] <griffonbot> Received email: "Re: [UKHAS] 'Stray Hot Air Balloon Disrupts Gatwick Flights'"
[13:00] <Lunar_LanderU> I'm good, thanks
[13:00] <Lunar_LanderU> OHHHH
[13:00] <Lunar_LanderU> damn
[13:01] <Lunar_LanderU> HAB in danger
[13:02] Last message repeated 2 time(s).
[13:02] <schofieldau> Lunar_LanderU: what?
[13:02] <PD3EM> i thought it was a manned hot air balloon... so better get the men out and only fly HAB! Much safer ;-)
[13:02] <Lunar_LanderU> oh
[13:02] <Dan-K2VOL> that doesn't sound like a HAB, but just a reminder - last month R/C model airplanes were saved from being regulated as UAVs because there was such an extensive self-policing safety organization&
[13:03] <Lunar_LanderU> I thought that we again have an event that endangers hab
[13:03] <Lunar_LanderU> oh
[13:03] <Lunar_LanderU> so because there are so many RC plane clubs?
[13:03] <Dan-K2VOL> because there is a national organization
[13:03] <Lunar_LanderU> we definately need to install the HAB balloon club
[13:03] <Lunar_LanderU> yeah
[13:04] <Dan-K2VOL> and almost everyone follows the organization rules
[13:04] <Darkside> Dan-K2VOL: not going to be able to 'attend' the sim
[13:04] <Darkside> because its going to be somethign like 3am here...
[13:04] <Lunar_LanderU> yeah
[13:04] <Dan-K2VOL> that's ok Darkside, we'll be doing one that's better for your timezone soon
[13:04] <Darkside> k
[13:04] <Dan-K2VOL> thanks
[13:04] <Lunar_LanderU> oh
[13:04] <Lunar_LanderU> what did we say for the sim again?
[13:04] <Lunar_LanderU> Dan-K2VOL
[13:04] <Dan-K2VOL> 1600UTC
[13:04] <Dan-K2VOL> tomorrow
[13:04] <Lunar_LanderU> ahhh
[13:04] <Lunar_LanderU> phew
[13:04] <Lunar_LanderU> that is good :)
[13:04] <Dan-K2VOL> hehe
[13:05] <Dan-K2VOL> great!
[13:05] <Lunar_LanderU> :)
[13:05] <fsphil> hadie:3 timelapse video: http://www.youtube.com/watch?v=xYVrfODwZzI
[13:05] <Lunar_LanderU> Giles Harrison published a new paper in the review of scientific instruments
[13:05] <Lunar_LanderU> this time it's an optical cloud sensor
[13:05] <Dan-K2VOL> By the way all, we're still looking for more people to train for remote mission controllers, check this out for what you need: http://wiki.whitestarballoon.com/doku.php?id=missionoperations:remoteoperatorsintro
[13:06] <PD3EM> thanks Dan-K2VOL, will look into it
[13:06] <Dan-K2VOL> oh lunar lander?
[13:06] <fsphil> we ended up too busy at work for me to stay up that late :(
[13:06] <schofieldau> multitasking on a small screen
[13:06] <schofieldau> http://i.imgur.com/r7ly7.jpg
[13:06] <Dan-K2VOL> no prob fsphil, the one tomorrow is at 1600UTC if you have time
[13:07] <daveake> fsphil: Oh, I like that little balloon graphic :-). How did you do that?
[13:08] <fsphil> daveake, did it in Openshot. each clip can have a different start and end position
[13:08] <Dan-K2VOL> nice graphic indeed
[13:08] <fsphil> the balloon clip ends, and is replaced by the parachute clip
[13:08] <fsphil> it's quite inaccurate on the way down because it's a constant speed
[13:08] <daveake> Ah, I see.
[13:08] <Dan-K2VOL> hehe
[13:09] <fsphil> when it shows 30km I think it's actually about 20km
[13:10] <Lunar_LanderU> Dan-K2VOL: yeah Giles is a researcher at Reading university
[13:10] <fsphil> it's the first linux video editor that does not make me want to jump out a nearby window
[13:10] <Lunar_LanderU> he invents sensors for vaisala radiosondes
[13:10] <Dan-K2VOL> very cool lunar lander
[13:10] <Lunar_LanderU> yeah
[13:11] <Lunar_LanderU> fsphil: so openshot is good?
[13:11] <fsphil> it's basic, but works well
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[13:14] <Lunar_LanderU> like movie maker in windows?
[13:15] <olivier58> why not
[13:17] vk5gr (3aaeeafb@gateway/web/freenode/ip.58.174.234.251) joined #highaltitude.
[13:17] <olivier58> to jest gówno
[13:18] <fsphil> never used it Lunar_LanderU
[13:19] <Lunar_LanderU> ah
[13:20] <griffonbot> @adamcudworth: Off to fetch helium for #HABE launch on Monday #UKHAS [http://twitter.com/adamcudworth/status/190791643929124865]
[13:21] <olivier58> cze[
[13:22] <fsphil> mmm. helium
[13:23] <daveake> Helium is so 2011 :D
[13:23] <Darkside> you bloody hydrogen fanatics
[13:23] <Darkside> you don't have to worry about setting the bush on fire :P
[13:23] <Darkside> does the UK ever have fire ban days?
[13:23] <eroomde> that's what she said
[13:23] <daveake> true
[13:24] <Darkside> because we have fire ban *months*
[13:24] <daveake> :D
[13:24] <Lunar_LanderU> :D
[13:24] <eroomde> we don't have fire ban days no
[13:24] <Lunar_LanderU> btw
[13:24] <eroomde> we have the opposite
[13:24] <eroomde> hosepipe ban days
[13:24] <Darkside> oh we have those too
[13:24] <Lunar_LanderU> earlier we discussed Mrs. Thatcher here
[13:24] <daveake> All the rain we get is the wrong sort of rain
[13:24] <griffonbot> Received email: Gemma Rawcliffe "Re: [UKHAS] Monday (16th) Launch - 11am"
[13:24] <Lunar_LanderU> and we discussed like the possessions of Britain
[13:24] <Darkside> eroomde: our water supply in SA is horrible
[13:24] <Lunar_LanderU> and "Is Gibraltar british or spanish?"
[13:24] <Darkside> one river, and its growing saltier and saltier
[13:25] <Darkside> cuddykid: can you move the discussion off-list
[13:26] <eroomde> yeah
[13:26] <Lunar_LanderU> but do you think Mrs. thatcher did a good job?
[13:27] <eroomde> you had that discussion earlier
[13:27] <eroomde> not now
[13:27] <Lunar_LanderU> oh ok
[13:27] <Lunar_LanderU> sorry
[13:27] <daveake> Unless you're asking where here HAB landed, perhaps there's a better place?
[13:27] <Lunar_LanderU> internal power level low
[13:27] <schofieldau> Darkside: no spare seats on sunday?
[13:27] <Lunar_LanderU> but I would like to ask
[13:28] <Lunar_LanderU> since when has H2 become so popular?
[13:28] <Lunar_LanderU> I mean that we have hydrogen year now
[13:28] <Lunar_LanderU> :)
[13:28] <daveake> I wouldn't say it's popular at all, but at least 3 here have used it recently
[13:28] <Lunar_LanderU> yeah, the James May recording?
[13:28] <fsphil> my next will be H2
[13:28] <Lunar_LanderU> or another flight than that?
[13:28] <Lunar_LanderU> ah
[13:28] <Darkside> schofieldau: its not looking like it
[13:29] <schofieldau> oh well - I'll be watching from irc anyway :)
[13:29] <Darkside> yep
[13:29] <Lunar_LanderU> I wonder if anyone did consider methane/natural gas?
[13:29] <Darkside> i should be on IRC throughout most of the flight
[13:29] <Lunar_LanderU> but the lift is lower of course
[13:29] <daveake> It's cheaper, isn't a limited resource, should get payloads a little bit higher (but not that much), and has an added risk factor for those that like that sort of thing
[13:29] <Lunar_LanderU> yea
[13:30] <Lunar_LanderU> one needs to compare advantages and disadvantages
[13:30] <daveake> I should also point out it's only cheaper after a few flights, because of the extra up-front costs
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[13:32] <eroomde> worth getting a dedicated spanner methinks
[13:32] <eroomde> got one for the cusf fill rig toolbox
[13:32] <Darkside> welsh is weird
[13:32] <daveake> £4 on ebay. Sorted :)
[13:32] <eroomde> NOT an adjustable
[13:32] <eroomde> they are the devil's tool
[13:32] <Darkside> Jynweythek ylow?
[13:32] <Darkside> bbydhyonchord?
[13:32] <Darkside> what is shits
[13:32] <Darkside> what is this*
[13:33] <Darkside> its like someone is stringing random letters together
[13:33] <Lunar_LanderU> xD
[13:33] <Lunar_LanderU> Beth means What
[13:33] <Lunar_LanderU> and Pam means Why
[13:34] <Lunar_LanderU> learned that on "Gavin and Stacey" on BBC
[13:34] <eroomde> cannot cope with gavin and stacey
[13:35] <daveake> eroomde You can get a dedicated "cylinder spanner" with one end for the regulator nut, other end for the hose nut, and a square key thing for the cylinder valve
[13:36] <daveake> All I had a few weeks ago was those adjustable ones, for which I shall be eternally sorry :p
[13:36] <eroomde> nice
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[13:37] <eroomde> if my hadnwere to be amputed i'd probs replace it with a 9/16ths
[13:37] <eroomde> which seems to be our standard swagelok fitting
[13:37] <daveake> looks like you already have
[13:38] <eroomde> amputated?
[13:38] <daveake> yes - "hadnwere"
[13:38] <daveake> sorry :)
[13:39] <eroomde> oh
[13:39] <eroomde> ipad
[13:39] <daveake> ah
[13:39] <eroomde> it's stochastic typing
[13:39] <daveake> Went in the Apple store at Covent Garden yesterday
[13:39] <Laurenceb> ipad is for mathematicians
[13:40] <Laurenceb> engineers use the jpad
[13:40] <daveake> Airbooks seemed to attract the most attention
[13:40] <eroomde> i do it to demo the inherent FEC in english because of all the rdundncy
[13:40] <Laurenceb> and if you are pedantic you use a sqrt(-1)pad
[13:40] <daveake> good demo
[13:40] <eroomde> i knw
[13:41] <mfa298> Laurenceb: nice one :D
[13:41] <Lunar_LanderU> XD!
[13:43] <eroomde> daveake: did you come out with anything?
[13:48] <daveake> nope :)
[13:48] <Lunar_LanderU> cu later!
[13:48] <daveake> not really after anything new and shiny just yet
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[13:51] <SamSilver> Buzz disguise for near Gatwick flight http://i.imgur.com/Po4kp.jpg
[13:51] <daveake> lol must try that :p
[13:53] <jonsowman> :D
[13:56] <griffonbot> Received email: Adam Cudworth "Re: [UKHAS] Monday (16th) Launch - 11am"
[13:59] <number10> eroomde: I posted this yesterday - dont think you were here, picture of CUSF project Nova from 2006 was in last weeks Electronics Weeekly article http://i.imgur.com/SjiB9.jpg - no bloke with shorts though
[14:00] <jonsowman> is that iain?
[14:05] <eroomde> nope
[14:06] <eroomde> that was summer holiday 2006
[14:06] <eroomde> henry in the shirt
[14:06] <eroomde> iain i think got interested in 2007
[14:06] <eroomde> steve in jeans
[14:06] <eroomde> i think maybe rob friers behind henry
[14:06] <eroomde> a random churchill comspi whos name i forget in the year above in the white t-shirt
[14:06] <eroomde> and no idea about the other guy
[14:07] <eroomde> right gtg
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[14:08] <Laurenceb> i was there somewhere
[14:08] <Laurenceb> think behind the camera
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[14:09] <Laurenceb> 31Km altitude iirc
[14:09] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[14:10] <Laurenceb> and its was stupidly hot, one reason we launched early
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[14:14] <Laurenceb> 6 years ago, crazy
[14:15] <number10> yep - you are all old now ;)
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[14:19] <vk5gr> asdf
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[14:36] <Morseman> All quiet on here?
[14:39] <PD3EM> seems to be so Morseman ;-)
[14:40] <Morseman> Friday afternoon effect I guess PD3EM
[14:40] GW8RAK (~chatzilla@host-78-150-219-202.as13285.net) joined #highaltitude.
[14:40] <PD3EM> haha... everyone hurrying home
[14:41] <griffonbot> Received email: Morseman "[UKHAS] Re: You are invited to Mission Control Training this weekend"
[14:41] <Morseman> Works PC doing weekly update/synch but very slowly!
[14:43] <griffonbot> Received email: Dave Hibberd "Re: [UKHAS] Re: You are invited to Mission Control Training this weekend"
[14:43] <Darkside> derp
[14:44] nigelvh (45a4a77e@gateway/web/freenode/ip.69.164.167.126) joined #highaltitude.
[14:44] <nigelvh> Morning all.
[14:47] <griffonbot> @PD3EM: Received a direct QSL card today for tracking the AVA&CLOUD High Altitude Balloon http://t.co/BsBBeBCe Thanks guys!! #HAB #UKHAS [http://twitter.com/PD3EM/status/190813338861699072]
[14:48] <PD3EM> morning nigelvh! Over here the weekend has already started ;-)
[14:49] <GW8RAK> And it has started here as well :)
[14:49] <Morseman> DOH! I really must get a callendar...
[14:49] <griffonbot> Received email: Dave "Re: [UKHAS] Re: You are invited to Mission Control Training this weekend"
[14:50] <Morseman> GM nigelvh
[14:50] <nigelvh> Yeah, yeah, quit bragging about your weekend
[14:50] <nigelvh> I just started work
[14:50] <nigelvh> Then again, you get to go to work for the latter half of my weekend.
[14:51] <PD3EM> lol
[14:51] <nigelvh> Unless you're retired, then you're just lucking out.
[14:54] <griffonbot> Received email: Dave Hibberd "Re: [UKHAS] Re: You are invited to Mission Control Training this weekend"
[14:59] <griffonbot> Received email: Dan Bowen "Re: [UKHAS] Re: You are invited to Mission Control Training this weekend"
[15:02] <cuddykid> ok, CAA permission still hasn't come through :S
[15:04] <daveake> Thought you had it. Or was that for today rather than Monday?
[15:05] <cuddykid> that was for today only
[15:06] <cuddykid> just called him and he's sorted it :D
[15:06] <cuddykid> mailing it through in a bit :)
[15:17] <cuddykid> managed to get a range of balsa wood and tiny wire rod
[15:18] <UpuWork> hey PD3EM :) Glad it got there
[15:19] <PD3EM> Yeah! Thanks UpuWork!!
[15:19] <UpuWork> damn looks like it had a rougher ride than the actual payload
[15:20] <PD3EM> haha... i looks like it a bit ;-) But I like it! Great to receive a QSL for tacking
[15:23] <PD3EM> I hope to get my tracker ready... Would love to do a launch (maybe during Fieldday)
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[15:45] <Jim3> hey folks, does anyone have any graphs of how descent rate varies with altitude?
[15:52] <Randomskk> it goes with the cube if I remember right
[15:55] <Hibby> Jim3: I think this might be useful....
[15:55] <Hibby> http://personal.strath.ac.uk/james.tosh/launchanalysis_files/image054.gif
[15:55] <Hibby> some of my students from last year's results.
[15:55] <Hibby> sourced from http://sunset-skypod.co.uk/
[15:55] <Hibby> specifically http://personal.strath.ac.uk/james.tosh/launchanalysis.html
[15:55] <Morseman> This any good? http://www.onlinetesting.net/cgi-bin/descent3.3.cgi
[15:55] <cuddykid> got the permish :D
[15:55] <Morseman> For rockets but I guess same theory for a balloon payload
[15:57] <Jim3> very cool, thanks guys
[15:58] <cuddykid> Jim3: check out http://habe.acudworth.co.uk/blog - there are a fair few graphs etc on there :)
[15:58] <Jim3> i'm building a simulator and just wanted to check it's descent functions against real data.
[15:58] <cuddykid> nice
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[16:06] <Randomskk> Jim3: I'm interested in the simulator, what exactly are you simulating?
[16:07] <Randomskk> Jim3: in particular, the current simulator uses this to work out descent:
[16:07] <Randomskk> https://github.com/jonsowman/cusf-standalone-predictor/blob/master/pred_src/altitude.c#L87
[16:08] <Randomskk> in other words, assume terminal velocity at the given altitude, which you can find from the drag coefficient and the current atmospheric density.
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[16:14] <Jim3> I'm going to release the simulator in a few days, once i've tidied it up a little. It's main job is to accuratly simulate a HAB Ascent and Descent on an Arduino, outputting NEMA sentances over serial. It's a fake GPS unit that can be used to to hardware-in-the-loop testing of HAB payloads
[16:15] <Randomskk> so altitude and random position displacements or what?
[16:15] <Randomskk> (does it use accurate wind data?)
[16:15] <Jim3> Yea, I'm using a lot of the CUSF code already, but porting it to arduino
[16:15] <Randomskk> sounds useful at any rate (though why not just use a computer?)
[16:15] <kokey> does it control a fridge and vacuum pump too?
[16:15] <Jim3> yes, alltitude and airpressure simulated, with random wind.
[16:16] <Jim3> it's got a feature that you can pull an input pin on the arduino high, and it simulates cutdown
[16:17] <daveake> Does it land in trees too?
[16:17] <kokey> you should put a big antenna on the transmitter and pull a prank on daveake
[16:17] <Jim3> :)
[16:17] <fsphil-laptop> it must do that if it's to be true to life
[16:17] <Jim3> I'll add trees to the todo list ;)
[16:17] <daveake> lakes, oceans, power lines ....
[16:18] <Jim3> what is the accepted probability of landing in a tree?
[16:18] <Jim3> 90%?
[16:18] <daveake> Depends on if you'r fsphil or not
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[16:18] <fsphil-laptop> yea
[16:19] <fsphil-laptop> it also prefers trees on mountaintops, surrounded by boggy fields
[16:20] <Laurenceb> or girls
[16:20] <Laurenceb> thatd be really scary
[16:21] <Laurenceb> for some on irc...
[16:22] <Morseman> Don't forget the tennis court option as well...
[16:22] <Randomskk> golf course...
[16:22] <Jim3> will post to the list when it's done. thanks for the graphs, point taken about natural hazards. got to go.
[16:22] <Morseman> CUL Jim3
[16:23] <fsphil-laptop> wonder who'll be the first to land in a football field during a televised match
[16:23] <Morseman> For me it would have to be a Cricket ground during a test match...
[16:23] <kokey> Laurenceb: haha
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[16:24] <kokey> I think if it lands near 10 downing street, that will be game over for everyone
[16:24] <Morseman> Just so I could hear what Aggers and Boycott would make of it ;-)
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[16:24] <Morseman> A helicopter nearly managed that yesterday by sound of it (end of world, not landing on No. 10)
[16:25] <cuddykid> guess this will be good for the tracking - http://www.maplin.co.uk/miniscan-mobile-antenna-29616
[16:25] <Randomskk> kokey: last time something bad like that happened the person who ended up investigating was like "this HAB thing looks cool, tell me more"
[16:25] <Randomskk> could get the PM into it ;)
[16:25] <Laurenceb> Randomskk: O_o
[16:25] <Laurenceb> how bad
[16:26] <Randomskk> 'near miss' rather than 'incident' level
[16:26] <Laurenceb> are you allowed to say what with?
[16:26] <Randomskk> not sure
[16:26] <Laurenceb> eek
[16:26] <Randomskk> the RAF, at any rate :P
[16:26] <daveake> cuddykid Yes that'll be fine
[16:26] <Laurenceb> hmm
[16:26] <cuddykid> daveake: brill, I'll grab one tomorrow
[16:27] <Laurenceb> i guess landing predictor more carefully then
[16:27] <cuddykid> last time it was a nightmare tracking in the car
[16:27] <fsphil-laptop> little mag mount like that does wonders
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[16:27] <cuddykid> car seemed to create some sort of signal grey zone :P
[16:27] <Laurenceb> interference?
[16:27] <fsphil-laptop> there used to be a cheaper one on maplin
[16:27] <cuddykid> not sure, when I stuck it right by the windscreen it got better
[16:28] <Laurenceb> oh
[16:28] <Laurenceb> lots of glasses have RF blocking films
[16:28] <fsphil-laptop> cuddykid, http://cpc.farnell.com/jsp/displayProduct.jsp?sku=IT44456
[16:29] <cuddykid> fsphil-laptop: ahh, that's annoying as I need it for Monday!
[16:29] <cuddykid> left it too late :P
[16:29] <Randomskk> hav eyou ?
[16:29] <fsphil-laptop> ah, no chance with that one then
[16:29] <Randomskk> oh yea, CPC
[16:29] <cuddykid> I'll stick it on the invoice anyway
[16:29] <Randomskk> farnell would make it for monday no problem
[16:29] <Randomskk> cpc are a day or two slower
[16:29] <cuddykid> Randomskk: for under £4 delivery?
[16:30] <fsphil-laptop> they can be quick, but it's not reliable. there are times it's next day, and other times takes a week
[16:30] <cuddykid> I'll just grab it from maplin - easier that way
[16:30] <daveake> Yeah, once CPC surprised me ... ordered at a weekend and it arrived Mondau
[16:30] <daveake> y
[16:30] Action: fsphil-laptop checks his raspberry pi order... *sigh*
[16:30] <daveake> lol
[16:31] <Randomskk> farnell tend to be both quick and reliable I've found
[16:31] <Randomskk> and free delivery
[16:31] <Randomskk> onecall is a bit annoying because some stuff is CPC and other stuff is farnell
[16:31] <fsphil-laptop> cpc's "free delivery" doesn't include the "handling charge" :)
[16:31] <Randomskk> so always ends up in two orders, cpc lagging farnell
[16:31] <Randomskk> fsphil-laptop: it does with onecall :P
[16:31] <fsphil-laptop> I prefer farnell if I'm ordering lots of stuff
[16:31] Action: Randomskk <3s his onecall account
[16:36] <kokey> Randomskk is an anagram of Dark Monks
[16:36] <Randomskk> cool
[16:36] <Randomskk> wow. sweet.
[16:36] <Randomskk> that's a much better origin story tbh, will go with that from now on
[16:37] Action: Hibby head scratches
[16:37] <Hibby> that's kinda cool.
[16:37] <kokey> Randomskk: yeah especially since Slovakia joined the eurozone
[16:37] <Randomskk> kokey: is it a coincidence that they're also talking about anagrams in #lhs?
[16:38] <kokey> Randomskk: heh, you got me there
[16:38] <Randomskk> :P
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[16:41] <kokey> ok, home time
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[17:11] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] XABEN-24 Launch Announcement Saturday 14/04/2012"
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[17:54] <Lunar_Lander> good evening
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[18:09] <MrCraig> Hi all
[18:09] <Lunar_Lander> hello
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[18:12] <MrCraig> ping jonsowman
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[18:47] <jcoxon> evening all
[18:48] <Lunar_Lander> hello
[18:48] <fsphil-laptop> hullo jcoxon
[18:48] <fsphil-laptop> hab on BBC1 now
[18:48] <Lunar_Lander> cool!
[18:49] <daveake> YEP
[18:49] <OZ1SKY_Brian> tv?
[18:49] <daveake> :)
[18:49] <jcoxon> one show time
[18:49] <fsphil-laptop> OZ1SKY_Brian, yep :)
[18:49] Action: fsphil-laptop gets more steve randall points
[18:49] <daveake> :D
[18:49] <OZ1SKY_Brian> ok ill turn on the tv
[18:51] <daveake> fun launch
[18:51] <jcoxon> haha
[18:51] <jcoxon> dlfldigi
[18:51] <jcoxon> and spacenear.us
[18:51] <OZ1SKY_Brian> anyone we know?`
[18:51] <jcoxon> yeah it steve
[18:51] <jcoxon> rocketboy
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[18:52] <OZ1SKY_Brian> cool
[18:52] <fsphil-laptop> wot a burst video!
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[18:52] <OZ1SKY_Brian> rocketboy driving right?
[18:53] <jcoxon> yeah
[18:53] <fsphil-laptop> powerlines :)
[18:53] <daveake> must do the upwards video soon
[18:53] <OZ1SKY_Brian> is there a bbc1+1?
[18:53] <jdtanner> iplayer?
[18:53] <daveake> whoops :D
[18:53] <jcoxon> pylon magnet
[18:53] <daveake> lol
[18:53] <daveake> I'm recording it too, but yes iplayer
[18:54] <OZ1SKY_Brian> what a stupid question if the power have wiped the cams, we just bloddy seen the video :-)
[18:54] <jcoxon> don't let dan see it
[18:54] <fsphil-laptop> lol
[18:54] <jcoxon> they mentioned space
[18:54] <daveake> "that's as 'in-space' as you're gonna get" <cough> :)
[18:54] <jcoxon> i got my funcube working!
[18:54] <jcoxon> finally
[18:54] <daveake> nice :)
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[18:55] <Upu> what program was HAB on ?
[18:55] <daveake> Fun aren't they?
[18:55] <Upu> just got back
[18:55] <OZ1SKY_Brian> dont see any bbc1 +1 on sat :-(
[18:55] <daveake> BBC1 One Show
[18:55] <Upu> I'll sort it OZ1SKY_Brian
[18:55] <jcoxon> not that i had to install a whole laptop to get it working
[18:55] <fsphil-laptop> I think we all recorded it :)
[18:55] <OZ1SKY_Brian> sort it?
[18:55] <Upu> yes sort it :)
[18:55] <OZ1SKY_Brian> ah
[18:55] <daveake> lol
[18:55] <Upu> when someone uploads it
[18:55] <Upu> then I'll sort it
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[18:55] <Upu> right then
[18:56] <OZ1SKY_Brian> got itv 4 5 etc +1, but no bbc i gess
[18:56] <fsphil-laptop> bah, forgot my receiver encrypts hd recordings
[18:56] <Upu> I'll sort it fsphil :)
[18:56] <Upu> looks like a fun day tomorrow
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[18:56] <daveake> I'll be meeting a TV star :p
[18:57] <Upu> Veteran TV Star
[18:57] <Upu> and I don't just mean he's old
[18:57] <daveake> I'll tell :p
[18:57] Action: Upu points at RocketBoy :)
[18:57] <RocketBoy> OZ1SKY_Brian: yeah I was driving
[18:57] <OZ1SKY_Brian> upu will you up it to tube?
[18:57] <Upu> no
[18:57] <danielsaul> Just had my brother telling me that now the one show has done it, there's no point apex doing it anymore haha
[18:57] <Upu> I'll pop it where I put the James May one
[18:57] <OZ1SKY_Brian> RocketBoy nice one, but i missed most of it
[18:57] <Upu> have you seen that ?
[18:58] <OZ1SKY_Brian> Upu i dont think so?
[18:58] <Lunar_Lander> XD
[18:58] <Upu> Link in PM
[18:58] <RocketBoy> OZ1SKY_Brian: sorry - should have publicised it more
[18:59] <Lunar_Lander> Upu, do you mean the show that fsphil just mentioned?
[18:59] <RocketBoy> I'm sure it will be up on youtube soon
[18:59] <Upu> thats the one RocketBoy and Rob Harrison did and I assisted on
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[18:59] <Lunar_Lander> ah
[19:00] <RocketBoy> Seemed to come out OK
[19:00] <Upu> The One Show "Will be uploaded as a week long pack at the weekend"
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[19:01] <Upu> ping jcoxon - can I clear the tracker down ?
[19:01] <jcoxon> sure
[19:02] <Upu> ta
[19:02] <daveake> Aww my chase car trace will go :p
[19:02] <daveake> Yes please do :)
[19:03] <jcoxon> fsphil, so once i've got my sdr working
[19:03] <jcoxon> how do i feed it into a decoder like fldigi?
[19:03] <fsphil-laptop> on my system I setup dl-fldigi to record from the pcs audio output
[19:03] <jcoxon> so loop it back
[19:03] <fsphil-laptop> yep
[19:03] <daveake> I use Virtual Audio Cable on mine
[19:04] <daveake> But a real cable is cheaper
[19:05] <jcoxon> hmmm
[19:05] <jcoxon> i've got enough parts now to rebuild picoatlas
[19:05] <jcoxon> (thanks Upu)
[19:05] <Upu> no problems :)
[19:05] <Lunar_Lander> Portal 2 forever!
[19:05] <Lunar_Lander> xD
[19:06] <jcoxon> i'm tempted to launch again this weekend
[19:06] <MrCraig> I'm told the one show just aired a hab flight, that someone from here?
[19:06] Action: Upu points at RocketBoy
[19:06] <MrCraig> aah :)
[19:06] <MrCraig> is the show bbc? available on iplayer shortly?
[19:06] Action: RocketBoy owns up
[19:07] <RocketBoy> yeah
[19:07] <jcoxon> it'll be on iplayer very soon
[19:07] <MrCraig> lol RocketBoy, you seem to enjoy working with the beeb
[19:07] <MrCraig> were you in on the one James May did also?
[19:07] <RocketBoy> yeah - that one was good fun
[19:07] <RocketBoy> yeah
[19:07] <MrCraig> lol I bet. I recognised some faces in the background on cam.
[19:07] <RocketBoy> and rjharrision and upu
[19:08] <MrCraig> yeah, iirc you and upu were one team and rjh the other?
[19:08] <MrCraig> Can I sign a contract with you for what to do with my ashes when I pass away? <grin>
[19:08] <Upu> for the right price :)
[19:09] <Upu> I think data is correct on Spacenear.us
[19:09] <jcoxon> ping navrac
[19:09] <RocketBoy> the one show was the one i launched form Worcestershire in feb
[19:10] <MrCraig> well I hope I get a licence holder discount :-P
[19:10] <MrCraig> sweet, I'll go take a looksee in a mo
[19:10] <Upu> wonder if its worth putting a little notice on there saying it doesn't work correctly in IE
[19:10] <MrCraig> oh, while I remember - are you stocked on balloons at the mo? 0.8 to 1kg ish
[19:11] <RocketBoy> XABEN-21
[19:11] <Upu> ok, payload selection is XABEN ?
[19:11] <RocketBoy> yep - the 1600 are the only ones (other than totex) that are not on sale
[19:13] <MrCraig> cool thanks - I *may* be ordering shortly. A year between flights is crazy but sadly life sometimes gets in the way - if I'm to do another this year it'll have to happen soon before I leave the country, so I'm thinking I might refly the same buggy payload (it made it back afterall)
[19:14] Action: jcoxon is resisting launching another pico flight
[19:14] <Upu> right now ?
[19:14] <Upu> do it :)
[19:14] <RocketBoy> give in to it\
[19:15] <jcoxon> hmmmm
[19:16] <jcoxon> it so could be done
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[19:16] <jcoxon> would travel south
[19:16] <daveake> It'll give us all something to do :)
[19:17] <jcoxon> well i'd need to finish building it
[19:17] <jcoxon> and i doubt launching a foil at night is a good idea
[19:17] <Upu> does that need scientifically proving ?
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[19:18] <daveake> i think it does
[19:18] <Upu> p.s 107 on a Friday night :)
[19:20] <jcoxon> i think its too risky
[19:20] <jcoxon> high risk of failed launch
[19:20] <jcoxon> who knows where it'll go
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[19:22] <Upu> KF4ZTi keeps popping on spacenear.us
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[19:28] <jcoxon> back
[19:29] <nigelvh> front
[19:29] <daveake> side
[19:30] <nigelvh> obverse
[19:31] <MrCraig> Euclidean 4-space hyperside
[19:32] <nigelvh> 42 (in any coordinate system you can come up with)
[19:33] <MrCraig> 42! ok I fold.
[19:36] <RocketBoy> daveake: just dropped an email to you
[19:37] <daveake> Ta. Not landed yet tho
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[19:43] <cuddykid> anyone found the iplayer recording of tonights one show? 13th seems to be no where to be found!
[19:43] <Upu> iplayer tends to be delayed
[19:43] <cuddykid> silly thing
[19:44] <Upu> I'll get it shortly
[19:44] <fsphil-laptop> seems nobody has cracked the human encryption yet
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[20:13] <RocketBoy> my brain feels encrypted sometimes
[20:14] <Lunar_Lander> oh
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[20:18] <MrCraig> bbl
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[20:20] <daveake> RocketBoy not received that email yet
[20:25] <number10> are yo in london Upu ?
[20:25] <number10> u
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[20:36] <RocketBoy> daveake: strange - pm
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[20:50] <Upu> hey number10 no why ?
[20:51] <jdtanner> Hi all&hope you are all ok? We are still on the look out for a receiver if anyone is thinking of selling one :)
[20:51] <Upu> evening jdtanner
[20:51] <jdtanner> Hi Upu&you ok?
[20:51] <Upu> very well thx
[20:52] <Upu> your channel is #peaksky ?
[20:52] <jdtanner> Excellent
[20:52] <jdtanner> Yep&it is up and running
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[21:03] <number10> Upu: 2E0UPU/M is on tracker in london
[21:03] <Upu> hmm
[21:04] <Upu> oh
[21:05] <Upu> that was when I was at a friends in London can't have updated the location on the netbook
[21:05] <Upu> I'll fix that
[21:05] <Upu> anyway dog walk bbs
[21:05] <number10> cu
[21:22] <Upu> back
[21:22] <Upu> yes its the netbook I've never changed the location, I'll fix it
[21:26] <Upu> ping eroomde
[21:27] <Upu> I lost the link to those knots you sent if you could refresh my memory ta
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[21:35] <number10> Upu: this one? http://www.netknots.com/html/figure_eight_knot.html
[21:36] <Upu> thats one of them
[21:37] <Upu> the other one is that loop
[21:37] <griffonbot> Received email: Dave "Re: [UKHAS] XABEN-24 Launch Announcement Saturday 14/04/2012"
[21:38] <jdtanner> there is a simpler way of tying a figure of eight&but it is hard to describe
[21:38] <jdtanner> :)
[21:38] <Upu> there are but eroomde did the knots on Ava / Cloud and they pretty much saved the payloads
[21:39] <Upu> http://www.netknots.com/html/butterfly_knot.html
[21:39] <jdtanner> I've had them save my life whilst climbing&awesome knot :)
[21:44] <Morseman> Butterfly knots are very useful yhings...
[21:44] <Morseman> things - even
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[21:45] <number10> I dont think I saw the loop Upu
[21:45] <jcoxon_> evening
[21:45] <Upu> evening
[21:45] <Morseman> Evening James
[21:45] <Morseman> Queue old joke
[21:46] <Morseman> "Someone chanted evening"
[21:48] <fsphil-laptop> I bet all these launches go up when I'm out for lunch tomorrow :)
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[21:49] <Morseman> We're in Lancashire all day
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[21:56] <fsphil-laptop> there are worse place to be all day :)
[21:58] <Morseman> There wont be any chance to slope off to play radio and Lancaster isn't known to be a good place to listen for stations in Cambridge. HI
[21:59] <fsphil-laptop> well to be fair neither is Cookstown :)
[21:59] <fsphil-laptop> though if it's nice tomorrow I might head up to the beach instead
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[22:00] <daveake> I do fine with Cambs flights from here. But I won't be here :|
[22:00] <Upu> what time are you setting off ?
[22:00] <daveake> Assuming Julie stays behind, 7:30 or so
[22:01] <daveake> If she does come, it'll be 10 minutes after whatever time I tell her is the absolute latest time to leave
[22:01] <Upu> lol
[22:01] <daveake> So I'll tell her 7:20 :D
[22:02] <Upu> well I'll be tracking you have my phone number if you need anything
[22:03] <Upu> though with your car thingy I think your good
[22:03] <Upu> bonus points if you film it coming down
[22:03] <daveake> :D
[22:03] <Upu> jsut wasn't on the video I took
[22:03] <Upu> but you can hear us two giddy as hell
[22:04] <daveake> You were close to filming that last time
[22:04] <daveake> lol
[22:04] <Upu> right afk a little
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[22:10] <Morseman> GN all - good luck with the flights tomorrow
[22:10] <Morseman> May leave the rig on 434.650 in case it picks something up
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[22:47] <Randomskk> Laurenceb: someone's done GPS with those tv tuners now
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[22:47] <Randomskk> http://hackaday.com/2012/04/13/those-usb-tv-tuners-used-for-sdr-can-also-grab-gps-data
[22:48] <daveake> Is there a point to doing that, or is it just because it's there?
[22:49] <Randomskk> in theory you might be able to do really good GPS with it
[22:49] <Randomskk> and it's pretty cheap
[22:50] <daveake> Well GPS receivers are pretty cheap :-), but yes if its a way of getting more out of GPS then I see the point
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[23:27] jibbily (~imhotep@ks3096717.kimsufi.com) got lost in the net-split.
[23:27] danielsaul (~danielsau@99.198.122.28) got lost in the net-split.
[23:27] GeekShadow (~antoine@50.104.75.86.rev.sfr.net) got lost in the net-split.
[23:27] nofreewill (~nofreewil@129.2.129.220) got lost in the net-split.
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[23:32] Nick change: danielsaul_alt -> danielsaul
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[23:49] navrac2 (~navrac@84.92.14.5) left irc: Quit: pub time
[23:55] Nick change: danielsaul_alt -> danielsaul
[00:00] --- Sat Apr 14 2012