highaltitude.log.20111120

[00:02] <jcoxon> i might have rigged teh ISS into spacenear.us
[00:03] <Randomskk> oh my goodness yes
[00:03] <Randomskk> altitude is 0 though
[00:03] <jcoxon> hehe
[00:04] <fsphil-laptop> that can't be good :)
[00:04] <jcoxon> i've written a script to rip aprs data and dump it onto the map
[00:04] <jcoxon> thought for a test of something moving
[00:04] <jcoxon> i'd try ISS
[00:04] <fsphil-laptop> ideal target :)
[00:05] <Randomskk> it's so fast :P
[00:05] <jcoxon> it might well be wrong
[00:10] <jcoxon> hehe iv'e turned it off
[00:10] <jcoxon> the code is dirty as
[00:10] <jcoxon> but it'll work
[00:12] <jcoxon> night all
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[00:15] <Dan-K2VOL> jcoxon woot!
[00:16] <Dan-K2VOL> thank you!
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[00:51] <Lunar_Lander> hi juxta
[00:52] <juxta> hi Lunar_Lander
[00:53] <Lunar_Lander> I just found a good example of "space well used"
[00:53] <Lunar_Lander> https://upload.wikimedia.org/wikipedia/commons/4/40/Cocos_%28Keeling%29_Islands_Airport_-_RWY33.jpg
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[01:09] <Dan-K2VOL> anyone awake?
[01:13] <Lunar_Lander> yes
[01:14] <fsphil> ish
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[01:29] <Lunar_Lander> good night
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[02:10] <natrium42> yo
[02:10] <natrium42> yev
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[02:48] <aetaric> what is up balloon people!?
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[03:17] <natrium42> nothing!
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[04:05] <Dan-K2VOL> going to have a launch tomorrow morning
[04:06] <aetaric> yes we are
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[05:54] <vk5gr> ping juxta
[06:06] <Darkside> vk5gr: how did the footage go?
[06:06] <Darkside> vk5gr: also: http://i.imgur.com/5aU7Z.jpg
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[06:14] <ninja_> How do you use the predictor?
[06:14] <Dan-K2VOL> where are you
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[06:14] <Darkside> lol
[06:14] <Darkside> too late
[06:14] <Dan-K2VOL> just as well
[06:15] <Dan-K2VOL> busy here gettin ready for launch tomorrow
[06:15] <Darkside> heh
[06:15] <Dan-K2VOL> 1600 UTC
[06:24] <vk5gr> darkside - just finished the 90sec version - about to upload it for Terry and Toby to get a look at and ok it for dist
[06:25] <Darkside> ok
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[06:30] <Darkside> vk5gr: the addition of a SWR meter to my 'shack' has shown some interesting things
[06:31] <Darkside> for example, my 2/70 antenna has a SWR of 4:1
[06:32] <vk5gr> well that that VSWR - you are transmitting into an open circuit or a short circuit I think. time to check some feedlines and connectors methinks
[06:32] <Darkside> nah
[06:32] <Darkside> theres a sheet of alfoil 20cm from the antenna
[06:32] <Darkside> and lots of other metal
[06:32] <Darkside> bring on the antenna on the roof i say...
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[06:45] <vk5gr> at 4:1 - you have something major wrong with the antenna or feedline. Proximity wont do that to an antenna - not at 20cm anyway.
[06:48] <Darkside> hmm
[06:48] <Darkside> ok
[06:52] <Darkside> vk5gr: what about a distinct lask of ground plane
[06:52] <vk5gr> depends on the antenna - things like that diamond should be ground independant
[06:52] <Darkside> lack*
[06:52] <Darkside> this isnt ground independent :P
[06:52] <Darkside> so i think this may be my problem
[06:52] <vk5gr> you talking your new big stick
[06:52] <Darkside> its the big black one i had on the car last launch
[06:52] <Darkside> nah
[06:53] <vk5gr> (and saw the picture - you sure your not over compensating for soenthing? :-)
[06:53] <Darkside> hahaha
[06:53] <Darkside> i'm over compensating for my lack of a decent 2/70 antenna
[06:53] <vk5gr> could be that the antenna has internal damage
[06:54] <Darkside> maybe
[06:54] <Darkside> wil have to check the other antenna i have later
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[07:31] <vk5gr> ping juxta_
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[07:33] <Darkside> looks like its just his net connection dying for a sec
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[07:48] <Darkside> vk5gr: its definitely positioning
[07:48] <Darkside> for the antenna i mean
[07:48] <vk5gr> fair enough
[07:48] <vk5gr> bit surprised that it knocked it around that much
[07:48] <Darkside> hmm
[07:48] <Darkside> actually
[07:48] <Darkside> maybe not
[07:49] <Darkside> oh well
[07:49] <Darkside> i really need to get this antenna up
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[09:39] <Upu> morning
[09:40] <Upu> hey gonzo__
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[09:40] <Upu> just reading your article on frars.org.uk
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[10:33] <nosebleedKT> good morning all
[10:33] <nosebleedKT> i have a strange question!
[10:34] <nosebleedKT> Where do the fuses exist in the avr chip?
[10:35] <Darkside> as in, physically?
[10:35] <nosebleedKT> yes
[10:35] <Darkside> no idea
[10:35] <nosebleedKT> in EEPROM for example
[10:35] <Darkside> yeah dunno
[10:35] <nosebleedKT> :(
[10:35] <nosebleedKT> everybody dunnos
[10:36] <Darkside> why does it matter?
[10:36] <Darkside> its a little black thing full of magic
[10:36] <nosebleedKT> :)
[10:36] <Darkside> do not question the magic
[10:36] <nosebleedKT> i want to locate the magic source
[10:41] <fsphil-laptop> you'll need an x-ray machine, or something to melt the plastic :p
[10:41] <Darkside> nitric acid
[10:41] <Darkside> (pleast don't do this)
[10:41] <fsphil-laptop> indeed lol
[10:41] <fsphil-laptop> but even with this, there's no eay
[10:41] <fsphil-laptop> simply w
[10:41] <fsphil-laptop> er
[10:41] <fsphil-laptop> simple way to ID the fuse
[10:42] <Darkside> there was a company that did this
[10:42] <Darkside> they worked out how to reset the fuses
[10:42] <Darkside> but yeah, it involves lots of specialised and extremely expensive equipment
[10:43] <Darkside> http://www.flylogic.net/blog/?p=176
[10:43] <Darkside> thats the blog that i saw it on
[10:43] <nosebleedKT> i know them
[10:43] <nosebleedKT> http://www.degate.org/
[10:44] <fsphil-laptop> be cool to make a homebrew IC :)
[10:44] <nosebleedKT> :PPP
[10:44] <nosebleedKT> reboot from linux
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[10:44] <fsphil-laptop> the next logical step in HAB miniaturisation :)
[10:46] <Darkside> haha
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[11:06] <nosebleedKT> well
[11:06] <nosebleedKT> i have another issue in the flight system
[11:06] <nosebleedKT> when sometimes gps is not locked it give time 2359 or 0000
[11:07] <nosebleedKT> this is destroying the time sequency in my files
[11:07] <nosebleedKT> logfiles
[11:08] <nosebleedKT> so
[11:08] <nosebleedKT> is there any way to set time on the avr as soon as i get the gps lock
[11:08] <nosebleedKT> and then only use that time
[11:10] <nosebleedKT> without adding hardware
[11:10] <fsphil> you'd need to use interrupts
[11:10] <daveake> If it's Arduino there's a millis() function. Otherwise set a timer interrupt
[11:11] <fsphil> oh yea, it has a timer already
[11:11] <nosebleedKT> oh that timer/counter things?
[11:11] <daveake> Yeah Arduino uses one of the timers for millis(). Uses others for PWM. Can't remember which gets used for what
[11:11] <gonzo__> mornin upu, you called?
[11:12] <Upu> hey gonzo__ was just saying saw your article on tracking
[11:12] <Upu> good article
[11:12] <Upu> CUSF didn't do James May launch though
[11:12] <Upu> and you don't need a directional antenna
[11:12] <nosebleedKT> can't I just use millis() ?
[11:12] <Upu> interesting read!
[11:12] <gonzo__> ah, I had a feeling that some members were involded.
[11:12] <nosebleedKT> i dont want to play with lower levels :)
[11:13] <Upu> yeah Rocketboy and rharrison
[11:13] <Upu> and me to a lesser extend
[11:13] <Upu> extent
[11:13] <fsphil> ooh where's the article?
[11:13] <gonzo__> I'll edit and carify
[11:13] <gonzo__> www.frars.org.uk
[11:14] <Upu> if you're editing you might as well change the link to ukhas to ukhas.org.uk
[11:14] <Upu> but yeah you don't need a directional antenna trust me on that one :)
[11:14] <fsphil> ta gonzo__
[11:14] <gonzo__> rgr ta
[11:14] <Upu> http://www.frars.org.uk/cgi-bin/render.pl?pageid=1385
[11:14] <fsphil> yea, all of my tracking for hadie:3 was done with verticals (whip on the car, colinear at home)
[11:15] <Upu> nice to see some enthusiasm for this outside of our community
[11:15] <fsphil> more distant stations used yagis though
[11:15] <Upu> the HAMs at my club are not particularly interested
[11:15] <Upu> right afk a few
[11:15] <gonzo__> did I not mention omni's for short range work?
[11:15] <Upu> well I got 700km out of my colinear
[11:15] <Upu> not sure if thats "short range" :)
[11:16] <fsphil> lol
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[11:33] <Darkside> man i can't wait until i get my X-520M on teh roof
[11:33] <Darkside> its going to be awesome
[11:35] <daveake> I need to get an aerial higher up ... so far I've just poked a yagi out of the upstairs office window. Problem is some trees in the way when balloons are low on the horizon
[11:36] <number10> thats problem I have here - but trees belong to next dooe nieghbour
[11:36] <fsphil> Even with a yagi I can't receive anything from the upstairs window
[11:38] <fsphil> gonzo__, another small correction. the custom-hab version of fldigi is called dl-fldigi
[11:39] <Darkside> oh dear
[11:39] <Darkside> every club is different, but in the asylum, it's the manager
[11:39] <Darkside> he has a string of homeboys dealing the pukka-E's to the party people in the club - he makes the most coin out of this enterprise
[11:40] <Darkside> his homies will make just a couple of quid on each pukka. his homies are also scoping for other dealers on the block. when the homies have another illegitimate pukka-e dealer in their website, they inform the bouncers.
[11:41] <Darkside> they grip him, nab his stash, then kick him out with a physical warning. gives the pukka-E's to his homies, and they knock out to the kids in the pub
[11:41] <Darkside> what's your name, what've you had? reach for the lasers. safe as fuck
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[11:47] <gonzo__> fsphil, thanks, willdo
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[11:58] <fsphil-laptop> oh yea, spitball today
[11:58] <fsphil-laptop> odd name for a balloon
[12:01] <Jessica_Lily> what time?
[12:01] <fsphil-laptop> 11AM~12PM EST
[12:02] <Jessica_Lily> urr
[12:02] <Jessica_Lily> :P
[12:02] <jcoxon> 1600UTC then
[12:02] <fsphil-laptop> lol
[12:02] <Jessica_Lily> :)
[12:02] <Jessica_Lily> thanks
[12:02] <fsphil-laptop> yea that
[12:02] <jcoxon> will be on spacenear.us
[12:02] <Jessica_Lily> i had just got wolframalpha to tell me that ;P
[12:02] <Jessica_Lily> mann i love wolfram alpha <3
[12:02] <fsphil-laptop> wolfram is great for timezones
[12:03] <Jessica_Lily> wolfram is good for a hole load of stuff
[12:03] <fsphil-laptop> I keep forgetting about it
[12:03] <Jessica_Lily> http://www.wolframalpha.com/input/?i=dimethylmercury <-- look at it for chemical data
[12:04] <Jessica_Lily> http://www.wolframalpha.com/input/?i=100+nearest+stars
[12:04] <Jessica_Lily> how cool is that?
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[12:08] <fsphil> hmm, my desktop monitor is too low
[12:08] <fsphil> either that or I'm getting taller
[12:11] <Jessica_Lily> you missed my awesome wolfram alpha links? D:
[12:11] <fsphil> nah, got them on the laptop :)
[12:12] <Jessica_Lily> :P
[12:12] <Jessica_Lily> they're awesome!
[12:12] <DanielRichman> http://www.wolframalpha.com/input/?i=temperature+in+london+when+stephen+hawking+was+43+years+and+5+months+old
[12:12] <Jessica_Lily> wow
[12:12] <Jessica_Lily> now thats cool
[12:13] <fsphil> it defaults to fahrenheit?
[12:13] <Jessica_Lily> this is brilliant
[12:13] <Jessica_Lily> yeh
[12:13] <Jessica_Lily> it should really default to kelvin
[12:14] <fsphil> indeed
[12:14] <Jessica_Lily> this is bloody amazing
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[12:16] <Jessica_Lily> awhh it can't estimate dates of death
[12:17] <fsphil> triple point of hydrogen is 13.96 K
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[12:17] <fsphil> neat
[12:18] <Jessica_Lily> xD
[12:19] <Jessica_Lily> http://www.wolframalpha.com/input/?i=temperature+in+london+when+brian+cox+was+30 wrong brian cox :(
[12:20] <joph_> Jessica_Lily, nice :D
[12:20] <Jessica_Lily> http://www.wolframalpha.com/input/?i=worlds+most+popular+sername
[12:20] <Jessica_Lily> :P
[12:20] <Jessica_Lily> anyways you folk are making me late ;P speak later maybe xD
[12:21] <fsphil> most popular surname in the US maybe
[12:21] <fsphil> world data not available
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[12:26] <Jessica_Lily> worked for me
[12:26] <daveake> http://www.wolframalpha.com/input/?i=how+many+roads+must+a+man+walk+down+before+you+can+call+him+a+man%3F
[12:26] <fsphil> lol
[12:29] <daveake> http://www.wolframalpha.com/input/?i=What%27s+the+answer+to+life%2C+the+universe+and+everything%3F
[12:29] <daveake> http://www.wolframalpha.com/input/?i=What%27s+the+question+to+life%2C+the+universe+and+everything%3F lmao
[12:29] <fsphil> duh
[12:30] <fsphil> there really is something fundamentally wrong with the universe ;)
[12:31] <daveake> I've always said that :)
[12:32] <fsphil> ah, the observable universe is 93 billion light years
[12:33] <daveake> So it could be a while before our puny rtty signals reach the far corners ...
[12:34] <fsphil> er... http://www.wolframalpha.com/input/?i=Why+does+nobody+love+me%3F
[12:34] <fsphil> daveake, but when they do Upu's record is so beaten :)
[12:35] <daveake> lol
[12:37] <fsphil> can't seem to ask it how long it takes light to travel a certain distance
[12:37] <fsphil> it keeps telling me the time
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[12:40] <Darkside> http://k0lee.com/duplexer.htm
[12:40] <Darkside> ohh helll yesss
[12:40] <Darkside> fsphil: you should look at that
[12:40] <Darkside> fixed value component duplexer
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[12:44] <fsphil> that would work backwards right? two radios to one antenna
[12:44] <Darkside> yeah
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[12:56] <Laurenceb_> can someone help me with makefiles?
[12:56] <Laurenceb_> i want to add size to all
[12:56] <Laurenceb_> .PHONY: all
[12:56] <Laurenceb_> all: $(MAIN_BIN)
[12:56] <Laurenceb_> @size
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[12:57] <Laurenceb_> but thats abviously wrong, how do i do it?
[13:11] <DanielRichman> what do you mean by 'add size'? You want it to print the size of $(MAIN_BIN) after building it?
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[13:14] <DanielRichman> if so then maybe @size $(MAIN_BIN)? or add 'size' to the $(MAIN_BIN) rule, and use @size $@
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[15:12] <SpeedEvil> Does anyone happen to know of a source of forecast - or real weatehr - archives for the UK for last year?
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[15:17] <NigelMoby> if u find 1 let me know speedy
[15:22] <MoALTz> xcweather.co.uk ?
[15:22] <MoALTz> oh oops
[15:22] <MoALTz> disregard
[15:32] <SpeedEvil> Are the gribs or whatever archived?
[15:33] <NigelMoby> hmm should be, Jus not sure where...
[15:34] <NigelMoby> met office archive is useless
[15:35] <SpeedEvil> yeah
[15:35] <SpeedEvil> I think they want you to buy stuff.
[15:37] <NigelMoby> Yup :(
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[15:37] <fsphil> typical
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[15:39] <russss> the government were having a consultation about making data free, but it's closed now.
[15:39] <russss> http://ernestmarples.com/
[15:41] <SpeedEvil> Well - the OS stuff got out.
[15:41] <russss> yep
[15:42] <fsphil> not all of it
[15:42] <SpeedEvil> I know.
[15:42] <fsphil> isn't the postcode database still closed?
[15:42] <SpeedEvil> Some of the more interesting stuff - not really.
[15:42] <SpeedEvil> That wasn't OS.
[15:42] <fsphil> ah
[15:42] <russss> the finer-grained postcode data is closed
[15:43] <russss> but this is free: http://www.ordnancesurvey.co.uk/oswebsite/products/code-point-open/index.html
[15:44] <russss> as someone who has paid for it in the past - for some reason the OS's postcode data is better than the Post Office's
[15:45] <NigelMoby> that's a bit....odd
[15:45] <fsphil> from the description it only seems to cover GB .. still better than nothing though
[15:46] <fsphil> how do you download it?
[15:46] <SpeedEvil> The OS only does the UK
[15:47] <SpeedEvil> IIRC ireland is seperate - both halves.
[15:47] <fsphil> GB ... NI has it's own OS which is still all commercial
[15:47] <fsphil> which is stupid but there you go
[15:47] <russss> CodePoint covers NI, CodePoint Open doesn't
[15:47] <russss> weird
[15:47] <russss> fsphil: you have to "order" it here: https://www.ordnancesurvey.co.uk/opendatadownload/products.html
[15:48] <fsphil> weirdly ROI doesn't have a postcode system
[15:48] <fsphil> aaah thanks russss
[15:49] <fsphil> is OS a private company? should they even be charging for their stuff at all?
[15:51] <russss> they are a private company which is wholly owned by the government
[15:51] <russss> http://en.wikipedia.org/wiki/Trading_fund
[15:52] <fsphil> odd system
[15:54] <SpeedEvil> Especially when it's arguable that it costs the government as much to purchase the data products from the OS.
[15:55] <russss> yeah, the government is one of the OS's biggest customers :/
[15:55] <SpeedEvil> Even neglecting the cost to buisness from not having free maps.
[15:57] <russss> there was a study done in 2007 which concluded that in almost all cases, there was a net benefit to society to making the data available on a "marginal cost" basis (which is basically free in the case of digital delivery)
[15:57] <russss> http://www.bis.gov.uk/files/file45136.pdf
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[15:57] <TimZaman> hello
[15:57] <russss> but they don't seem to have listened to that.
[15:57] <NigelMoby> hey Tim
[16:01] <TimZaman> Randomskk_: thanks for setting the tracker!!!
[16:02] <TimZaman> this seems like a bug in the landing predictor? http://habhub.org/predict/#!/uuid=6d9325a8792c1479e58555787ed92770d9bb0c35
[16:03] <TimZaman> very straight line there
[16:04] <fsphil> strong winds below that altitude?
[16:05] <fsphil> predictions for here on the 25th seem the same
[16:05] <fsphil> only windier :) http://habhub.org/predict/#!/uuid=581d048bc30a9dfe1199cea734353b989a6c2662
[16:07] <fsphil> SpeedEvil, nearly ;) http://habhub.org/predict/#!/uuid=1e9088a22b2d676117f222d15e164962d70c3fad
[16:07] <SpeedEvil> fsphil: :)
[16:08] <fsphil> that was predicted for yorkshire yesterday
[16:08] <fsphil> was hoping it would stay in that area
[16:10] <TimZaman> fsphil that's pretty nice right that last prediction
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[16:10] <TimZaman> fsphil have you ever considered moving from northern ireland?
[16:10] <TimZaman> ;)
[16:11] <NigelMoby> lol
[16:11] <TimZaman> seems like an A+ solution to your HAB landingzone problem
[16:11] <fsphil> TimZaman, frequently lol
[16:12] <TimZaman> i'm planning on including a plexiglass top on my payload. anyone here who thinks that's a bad idea
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[16:14] <fsphil> should be fine, though I'd round the edges so there's no sharp corners
[16:14] <fsphil> it might fog up a bit too, if you're thinking of imaging trough it
[16:15] <TimZaman> no not at all
[16:15] <TimZaman> well okay a bit
[16:15] <fsphil> lol
[16:15] <TimZaman> ill poke some breathing holes
[16:15] <fsphil> that might work
[16:15] <TimZaman> i want to film from outside the box to inside the box
[16:15] <TimZaman> so i want to look into the top
[16:15] <fsphil> or some of those silica gel packs to absorb the moisture
[16:15] <TimZaman> yeah i have plenty
[16:15] <TimZaman> used those last time, they made an aweful mess since they all blew
[16:15] <fsphil> ooh- didn't think they do that
[16:17] <TimZaman> can someone see if they can include my GPS-String metadata?
[16:17] <TimZaman> sats & temp & batmv?
[16:19] <fsphil> best if you use the payload document designer thingy
[16:19] <TimZaman> i did
[16:19] <TimZaman> Random already set it for me
[16:20] <fsphil> should be enough - have you been uploading data?
[16:20] <TimZaman> as can be seen here http://spacenear.us/tracker/?filter=PD4TA
[16:20] <TimZaman> yeah
[16:20] <TimZaman> $$PD4TA,87,16:14:17,52.0102,+4.3605,63,0,25,3892*1B05
[16:21] <TimZaman> i submitted this (...) ,{"name":"SATS","sensor":"base.ascii_int"},{"name":"TEMP","sensor":"base.ascii_int"},{"name":"BATMV","sensor":"base.ascii_int"}] (...)
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[16:23] <fsphil> it's not parsing it
[16:23] <fsphil> oh wait it is
[16:24] <fsphil> it's probably not displaying because it needs a specific field name
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[16:26] <TimZaman> doesnt it have that
[16:27] <TimZaman> SPITBall is launching now? whats that?
[16:27] <fsphil> whitestar's test of their big balloon
[16:28] <fsphil> http://wiki.whitestarballoon.com/doku.php?id=launches:spitball:1
[16:29] <TimZaman> ah delayed.
[16:30] <fsphil> yea, was suppose to be yesterday
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[16:35] <fsphil> I think "SATS" should just be "sats"
[16:36] <fsphil> or maybe not
[16:37] <fsphil> I'm guessing now :p
[16:37] <TimZaman> can someone fix that for me? :D
[16:37] <TimZaman> i'd be gratefu
[16:57] <jcoxon> no movement regarding spitball it seems
[17:01] <DanielRichman> use keys sats, temp_int, battery_millivolts
[17:01] <DanielRichman> these are the keys that spacenear.us will recognise
[17:02] <DanielRichman> they're temporary; we'll produce a list of 'good' keys later when we have one, but until then,
[17:04] <DanielRichman> I just fixed the PD4TA doc, TimZaman
[17:08] <TimZaman> DanielRichman: you're my hero
[17:08] <DanielRichman> meh mebe you should test it to check that I've actually done it properly first ;P
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[17:15] <TimZaman> DanielRichman: yeah it works
[17:15] <DanielRichman> TimZaman: excellent
[17:17] <TimZaman> DanielRichman: can you check if "PD4TASSDV" is OK as well? that only has the "SATS" ...
[17:18] <DanielRichman> yeah I changed that to sats already
[17:19] <TimZaman> you're a genius
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[17:20] <TimZaman> DanielRichman: touch, PD4TASSDV seems not to be appearing
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[17:20] <DanielRichman> invalid literal for int() with base 10: '50.5' from UKHAS
[17:21] <TimZaman> oh omg same as last time
[17:21] <TimZaman> im such a dick
[17:21] <TimZaman> can you make a float?
[17:21] <DanielRichman> the altitude? yeah
[17:21] <TimZaman> yeah make a floater
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[17:22] <TimZaman> daniel while you're at it
[17:22] <TimZaman> can you set it to 300baud?
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[17:22] <DanielRichman> just PD4TASSDV?
[17:22] <TimZaman> confirmed
[17:22] <DanielRichman> done
[17:23] <TimZaman> that one's linux based, the "PD4TA"is an arduino
[17:23] <TimZaman> a la jcoxon
[17:23] <TimZaman> with that i mean that i stole half of his code
[17:23] <TimZaman> (atlas)
[17:23] <TimZaman> omg 300 baud is so much better than 600 baud in terms of stability
[17:24] <TimZaman> Top,.
[17:24] <TimZaman> Are there any other launches on thursday or friday?
[17:24] <TimZaman> i like to filter the flights so that i only see PD4TA and PD4TASSDV
[17:25] <TimZaman> christ i'm such a haxor. today i fixed up two payloads and they work in the first trial
[17:26] <jcoxon> TimZaman, no other launches planne
[17:26] <jcoxon> d
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[17:26] <TimZaman> jcoxon: thanks. And thanks for the ublox code. i already had that, but i have used your navmode checking
[17:26] <TimZaman> pretty sweet.
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[17:26] <TimZaman> dont understand though why you put a specific "+" in front of the longitude though
[17:28] <jcoxon> cause we are very close to the meridian
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[17:28] <jcoxon> and you can get unsual padding
[17:30] <TimZaman> roger
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[17:38] <TimZaman> DanielRichman: well everything works lovely
[17:38] <DanielRichman> cool
[17:38] <TimZaman> DanielYep.
[17:38] <TimZaman> thanks.
[17:39] <TimZaman> on 434650 i am hearing a very slight 434075 interfearence
[17:39] <TimZaman> -a
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[17:44] <TimZaman> dinner
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[18:12] <fsphil> bot not displaying tweets?
[18:12] <NigeyS> he's awol
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[18:49] <fsphil-laptop> whitestar is streaming: www.vokle.com/series/19255-balloon-launches
[18:50] <Upu> I see a plane ?
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[18:50] <fsphil-laptop> me too yea
[18:50] <Upu> ok
[18:50] <fsphil-laptop> dunno what that's about
[18:51] <fsphil-laptop> oh that's the telescope!
[18:53] <fsphil-laptop> bit of an echo there
[18:53] <mattltm> oh, nice lag!
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[18:55] <mattltm> Much better
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[18:56] <fsphil-laptop> is it breaking up for you mattltm?
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[18:58] <mattltm> A tiny bit. Not much though
[18:58] <fsphil-laptop> yea better now
[18:58] <fsphil-laptop> think it's my crappy wifi
[18:59] <fsphil-laptop> is that bill and dan now?
[18:59] <NigeyS> ya
[18:59] <jcoxon> okay
[19:00] <jcoxon> i've fixed it now so it all shows on spacenear.us
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[19:05] <mattltm> does whitestar have an irc channel?
[19:06] <jcoxon> not to my knowledge
[19:06] <jcoxon> they'd use here
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[19:12] <fsphil-laptop> aprs over teamspeak?
[19:12] <fsphil-laptop> bad idea :)
[19:14] <nosebleedKT> lol
[19:15] <aetaric> you think?
[19:18] <nosebleedKT> can someone explain why the voltage from the battery dropped so quickly in my recent test/
[19:18] <nosebleedKT> 23hrs was solid 3.3v
[19:19] <fsphil-laptop> it's the nature of the battery
[19:19] <nosebleedKT> and in a couple of minutes it dropped to 2.3v
[19:19] <fsphil-laptop> check the battery
[19:19] <fsphil-laptop> datasheet
[19:19] <fsphil-laptop> it holds the voltage right until the end
[19:19] <fsphil-laptop> also, how where you measuring the voltage?
[19:20] <nosebleedKT> yes, L91 datasheet show the same graphs as the one i produces with gnuplot
[19:20] <nosebleedKT> voltage suddendly goes down
[19:21] <nosebleedKT> from avr
[19:21] <Laurenceb_> its the battery chemistry
[19:21] <nosebleedKT> it has a thing called bandgap
[19:22] <Laurenceb_> suddenly runs out of reagents
[19:22] <Laurenceb_> i guess you could call it that
[19:22] <Laurenceb_> bandgap usually applies to semiconductors
[19:22] <Laurenceb_> electrode potential is a better term
[19:23] <nosebleedKT> :P
[19:23] <nosebleedKT> you knwo
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[19:30] <nosebleedKT> Laurenceb_ : can you explain me the bandgap thing?
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[19:46] <joph_> hello
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[19:47] Nick change: joph_ -> joph
[19:50] <fsphil> hoya joph
[19:55] <Laurenceb_> no
[19:55] <Laurenceb_> no-one understand bandgap XD
[19:57] <fsphil> looks quite damp on the webcam, but difficult to tell - the quality is not great
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[20:08] <BrainDamage> atoms only allow finite energy states for orbitals, for a given atom, there's usually one orbital where the electrons rest, when you put 2 or more atoms together, their orbitals overlap
[20:08] <BrainDamage> the result in solid matter, is typically 2 "bands", one valence the rest band, and one is the conduction
[20:08] <BrainDamage> separated by a forbidden gap with 0 electron density
[20:09] <BrainDamage> in metals, the 2 bands overlap
[20:09] <BrainDamage> electrons in the conduction band are weakly bonded to their respective atoms, so they are free to move
[20:09] <BrainDamage> that's why metals have high conducibility
[20:10] <BrainDamage> semiconductors have small gap, so due to thermal effects, an electron jumps on the conduction bandwith, then falls down after x time
[20:10] <BrainDamage> so they are moderately conductive
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[20:10] <BrainDamage> dieletrics got large gap, so normally you have no electrons in the condution band
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[20:12] <fsphil> big payload box
[20:12] <jcoxon> ballast
[20:15] <BrainDamage> ( sorry for the OT btw )
[20:16] <fsphil> what happened there?
[20:16] <fsphil> I think I missed something on the webcam
[20:17] <mattltm> Acidental launch?
[20:18] <fsphil> looks like
[20:18] <jcoxon> link
[20:18] <mattltm> http://www.vokle.com/series/19255-balloon-launches
[20:19] <mattltm> They are holding one? One just went up im sure?
[20:19] <mattltm> Now i'm confused!
[20:19] <fsphil> looks like it ran away
[20:19] <fsphil> very windy
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[20:20] <TimZaman> buongiorno
[20:20] <TimZaman> fsphil images incomming
[20:20] <TimZaman> @ 300 baud
[20:20] <fsphil> ooohs
[20:21] <fsphil> loading up fine
[20:21] <TimZaman> :)
[20:21] <TimZaman> slow sheit
[20:21] <fsphil> tis! but that's 300 baud for ya
[20:22] <TimZaman> works like a tit though
[20:22] <TimZaman> lets hope it doesnt friggin stall like last time
[20:22] <TimZaman> lets see what happens if i pull some wires out
[20:24] <TimZaman> how do you turn off the logs in linux
[20:27] <fsphil> good question -- possibly just stop syslogd?
[20:27] <TimZaman> also, is there some processid watchdog or something
[20:27] <TimZaman> if something goes bananas it starts it again
[20:29] <jcoxon> spacenear.us online for tracking
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[20:43] Nick change: Randomskk_ -> Randomskk
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[21:02] <Lunar_Lander> jcoxon: what exactly can we see there?
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[21:05] <fsphil> ooh burst
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[21:09] <nosebleedKT> what bursted?
[21:09] <nosebleedKT> a balloon ? :p
[21:09] <daveake> That's a wild guess if ever I heard one
[21:10] <fsphil> check spacenear.us :)
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[21:21] <jcoxon> slow descent
[21:23] <Lunar_Lander> yeah
[21:23] <Lunar_Lander> what is the configuration btw?
[21:23] <Lunar_Lander> is that the ZP burst test?
[21:24] <jcoxon> yes
[21:27] <Lunar_Lander> ah
[21:27] <Lunar_Lander> so probably the mass of polyethylene slows it down
[21:27] <Lunar_Lander> the surface area of it
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[21:54] <jcoxon> eeek quite close to an airport
[21:55] <NigeyS> not the best place to be @ 500m altitude
[21:55] <remyzero> ruh roh
[21:56] <remyzero> good morning
[21:56] <NigeyS> hi remyzero
[21:56] <remyzero> :)
[21:58] <Lunar_Lander> hi remyzero
[21:58] <Lunar_Lander> your music is cool
[21:58] <Lunar_Lander> :)
[21:58] <remyzero> heh
[21:58] <remyzero> im from air-stream, a wireless community network in south australia
[21:59] <Lunar_Lander> :)
[21:59] <remyzero> one of the guys from the horus project is coming to speak at our agm this month
[21:59] <Lunar_Lander> jcoxon, NigeyS four rows of trees ahead
[21:59] <Lunar_Lander> cool
[21:59] <remyzero> was looking at the pics of launch 18 last night and saw there was a channel on freenode
[21:59] <Lunar_Lander> yea
[21:59] <Lunar_Lander> and now you are here
[21:59] <Lunar_Lander> :)
[21:59] <remyzero> exactly
[22:00] Action: Upu waves at remyzero
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[22:00] <remyzero> im in a few other channels on this server so i thought i would drop in and say hi
[22:00] <Lunar_Lander> yeah
[22:00] <jcoxon> hey remyzero welcome to #highaltitude
[22:00] <remyzero> thanks
[22:01] <remyzero> so you guys are the ones to blame for all the UFO sightings :P
[22:01] <NigeyS> totally :)
[22:01] <remyzero> lol
[22:01] <Upu> thats daveake
[22:01] <fsphil> lol
[22:01] <fsphil> was about to suggest dave
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[22:02] <Upu> he makes payloads shaped like UFO's
[22:02] <remyzero> ha win
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[22:03] <remyzero> i was trying to find how the payload is protected from impact when the balloon explodes
[22:03] <remyzero> does it have a parachute of some type?
[22:03] <Upu> "parachute"
[22:03] <Lunar_Lander> parachutes
[22:03] <remyzero> or just plummet
[22:03] <Lunar_Lander> yes
[22:03] <Lunar_Lander> no
[22:03] <remyzero> ok
[22:03] <Upu> plummet is bad
[22:03] <Lunar_Lander> btw
[22:03] <Lunar_Lander> remyzero: http://www.youtube.com/watch?v=AwUZq4xqsoo
[22:03] <Upu> there are people on the ground
[22:03] <remyzero> yeah i figured plummet was bad
[22:03] <remyzero> lol
[22:04] <remyzero> yeah thats them
[22:05] <Lunar_Lander> :)
[22:05] <Upu> http://www.youtube.com/watch?v=iftlME7HSRE
[22:05] <mattltm> Lol! They stole it!
[22:06] <remyzero> parachute deploys on burst?
[22:06] <Upu> its predeployed
[22:06] <remyzero> ahah
[22:06] <remyzero> <-- totally new to this concept of highaltitude
[22:07] <remyzero> what does the payload weigh approximately?
[22:07] <staylo> What's the legality of a sycamore seed style descent method? (spinning wing)
[22:08] <Upu> https://picasaweb.google.com/118244444241111963790/201110AvaLaunch#5658662800432893346
[22:08] <Upu> note the parachute halfway up
[22:08] <Upu> as little as possible remyzero
[22:08] <Upu> normal camera flight os 600-1000g
[22:08] <Upu> pico payloads can be very light
[22:08] <Upu> staylo interesting
[22:09] <jcoxon> staylo, the permission states descent by parachute
[22:09] <jcoxon> thats in the UK
[22:09] <Upu> also you have a duty of care to ensure its not spinning death from above
[22:10] <remyzero> 600-1000g doing 200km/h
[22:12] <jcoxon> haha its in the house now
[22:12] <Lunar_Lander> XD
[22:12] <Lunar_Lander> in da house
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[22:13] <Laurenceb_> wow those houses have big gardens
[22:15] <Laurenceb_> the steel mill is pretty cool
[22:22] <Lunar_Lander> yea
[22:22] Nick change: SAIDias -> W0OTM
[22:27] <fsphil> aah, spitball was carrying some gopros
[22:27] <fsphil> looking forward to seeing that!
[22:29] <Upu> did it really top out at 8km ?
[22:29] <fsphil> it seems to have yea
[22:30] <Lunar_Lander> yea
[22:32] <fsphil> yea, aprs.fi peek is 8459m
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[22:38] <fsphil> is it just me or is vokle really choppy?
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[00:00] --- Mon Nov 21 2011