highaltitude.log.20130417

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[02:09] <Wolfy-K4GHL> Hey yall... saw this on QRZ.COM ... PhoneSat Launch planned on April 17, 2013
[02:09] <Wolfy-K4GHL> Engineers and interns at NASA's Ames Research Center, Moffett Field, California, are awaiting launch of Phonesat on a Antares rocket April 17, 2013. This small cubesat is one built under Ames Research Center's Small Spacecraft Technology Program.
[02:09] <Wolfy-K4GHL> Phonesat will transmit its health status on amateur radio frequency 437.425 MHz using packet (AX.25). Amateur radio operators have the great opportunity to contribute to the project by submitting them to Phonesat's packets page at http://www.phonesat.org/packets.php.
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[02:11] <Darkside> thats just like basically every other cubesat ever
[02:11] <Darkside> most use a 70cm downlink
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[05:59] <eroomde> morn
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[06:54] <arko> http://i.imgur.com/ob4KMn1.png
[06:54] <arko> woot
[06:55] <arko> now to make some holes for string
[06:55] <arko> and ground radials
[06:57] <number10> thats nice arko
[06:57] <arko> gonna try to make it better
[06:57] <eroomde> a wee tracker?
[06:57] <arko> i always throw away designs and do it again :P
[06:57] <arko> eroomde: yeah
[06:57] <eroomde> nice
[06:57] <arko> going all euro and trying 50g
[06:58] <number10> nice to see the processor mounted parallel to the board edge
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[07:00] <UpuWork> euroArko :)
[07:00] <eroomde> indeed
[07:01] <UpuWork> which antenna is that ?
[07:01] <eroomde> i'm doing a stick-of-gum thing too :)
[07:01] <eroomde> not finished at all yet though
[07:01] <eroomde> sec will screenshot
[07:01] <UpuWork> looks like the pads for the active one?
[07:01] <arko> UpuWork, SARANTEL-SL1204
[07:01] <arko> yeah
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[07:01] <arko> i need to look this up
[07:01] <UpuWork> wheres yer inductor and resistor ? :)
[07:01] <eroomde> http://i.imgur.com/y5OhHB6.png
[07:01] <arko> yeah
[07:02] <arko> i saw the LNA
[07:02] Nick change: MichaelC|Sleep -> MichaelC
[07:02] <UpuWork> I have a circuit diagram its not complex
[07:02] <UpuWork> I'll dig it out in a bit
[07:02] <arko> sweet
[07:02] <UpuWork> nice eroomde your boards are always so neat
[07:02] <eroomde> it's the v2 gps front end which will spit the digitised I and Q over USB
[07:02] <arko> i thought the design was interesting
[07:03] <eroomde> i've only added all the peripheral bits to the usb chip atm
[07:03] <arko> wasn't sure about that, thanks for that catch
[07:03] <UpuWork> oh HX1
[07:03] <UpuWork> nice
[07:03] <UpuWork> pico HX1 board :)
[07:03] <UpuWork> I aprrove
[07:03] <UpuWork> I approve too
[07:04] <arko> http://i.imgur.com/xPOiXyt.png
[07:04] <arko> found that
[07:04] <eroomde> UpuWork: it's 4 layers. Every time I do a 4 layer board i do a little dance over how much nicer it is to route
[07:04] <arko> not sure how to implement that saw filter
[07:04] <arko> or what part to use really
[07:04] <eroomde> it's so so delicious to be able to route all the signals properly from an emi pov, and just drop vias down from decoupling caps to the power pins
[07:04] <UpuWork> well its probably just a module but its not necessary
[07:04] <UpuWork> hang on digging out a schematic
[07:05] <arko> oh cool, whenever you got time
[07:05] <UpuWork> you use Eagle ?
[07:05] <arko> yep
[07:06] <arko> i prefer Altium, but some of these libraries already exist
[07:06] <arko> for eagle
[07:06] <eroomde> arko: any old L1 freq saw should do.
[07:06] <eroomde> you can get gucci ones with built-in LNA+Saw
[07:07] <eroomde> 07:01 < UpuWork> wheres yer inductor and resistor ? :)
[07:07] <eroomde> which resistor?
[07:08] <UpuWork> the active antenna needs an inductor (33µH) and a 10R resistor
[07:08] <eroomde> ah i'm looking at arko's diagram
[07:08] <eroomde> hence confusled
[07:08] <eroomde> apols
[07:08] <UpuWork> no probs#
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[07:16] <arko> http://i.imgur.com/NsmrDuJ.png
[07:16] <arko> there we go
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[07:21] <eroomde> don't you need a cap in the
[07:21] <eroomde> no
[07:21] <eroomde> because there's one built into the max 6
[07:21] <eroomde> and thus i answer my own q
[07:21] Nick change: UpuWork- -> UpuWork
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[07:22] <Darkside> arko: why are you bothering to run the board at 5v?
[07:22] <Darkside> also don't use a resonator, they suck
[07:23] <UpuWork> oh yeah use a crystal
[07:23] <arko> hmm
[07:24] <arko> thats a good point
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[07:24] <arko> what about the HX1?
[07:24] <eroomde> also gander the current consumption
[07:24] <arko> eroomde hah
[07:24] <Darkside> arko: oh
[07:24] <Darkside> HX1..
[07:24] <eroomde> the tcxo i wanted to use for a low power design was 6ma!
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[07:24] <Darkside> ok you have a few options for powering the board if you need a 5v rail
[07:25] <eroomde> vs uA for a canned xtal
[07:25] <Darkside> on my micronuts, the avr runs at 3.3v, and i have a separate regulator for the HX1
[07:25] <Darkside> other option is run the whole thing off 2xAA, and boost up to both 3.3v and 5v
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[07:26] <arko> Darkside.. yeah....
[07:27] <arko> or contract someone to build a 5v battery
[07:27] <arko> :P
[07:27] <arko> jk
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[07:30] <costyn> good morning
[07:30] <arko> morning!
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[07:30] <x-f> morning
[07:31] <arko> damn it
[07:31] <arko> Darkside
[07:31] <costyn> stupid ipv6 ... somehow ipv6 irc.freenode.net isn't reachable from my host
[07:31] <arko> you're totally right
[07:31] <arko> this is a bad approach
[07:31] <arko> i should just boost the HX1
[07:32] <arko> going 3v3 should actually save me quiet some power
[07:32] <UpuWork> *cough* 1.8v
[07:32] <UpuWork> if you're going Euro :)
[07:36] <x-f> UpuWork, nice write up for AVA's flight
[07:36] <UpuWork> thanks x-f
[07:36] <x-f> i didn't expect that the cause for radio failure was polystyrene
[07:36] <UpuWork> yeah didn't expect that
[07:36] <costyn> x-f: was that in the writeup?
[07:36] Action: costyn missed that
[07:36] <UpuWork> I added it
[07:36] <UpuWork> late last night
[07:36] <costyn> ah
[07:37] <costyn> reading now...
[07:37] <UpuWork> https://www.dropbox.com/s/9h3ky5j3tawpiij/IMAG0267.jpg
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[07:37] <UpuWork> thx to Radim
[07:38] <Darkside> hold on, what failed?
[07:38] <arko> ohh
[07:38] <arko> 1.8v
[07:39] <chrisstubbs> whoot found a forecast that says its a NE drift for saturday
[07:39] <chrisstubbs> good enough for me
[07:39] <UpuWork> I put two layers of foam between the two boards Darkside
[07:39] <UpuWork> closed cell it seems
[07:39] <arko> i wonder if a boost is sensitive to temp
[07:39] <UpuWork> and its expanded and push the two boards apart
[07:39] <costyn> haha omg
[07:39] <Darkside> oh wow
[07:40] <eroomde> wow!
[07:40] <eroomde> that's a wonderful failure mode
[07:40] <UpuWork> yeah :)
[07:40] <griffonbot> @smacdonaldIH: congratulations to winners at last night's #ukhas in London. Pics from night to ease sore heads to follow shortly...! http://t.co/JVf2J9tbzD [http://twitter.com/smacdonaldIH/status/324427079422713856]
[07:40] <Darkside> http://auxilla.bandcamp.com/ music whilei work
[07:40] <eroomde> a proper old sea-dog hab tle
[07:40] <eroomde> tale*
[07:40] <Darkside> erm
[07:40] <Darkside> wat
[07:40] <Darkside> haha
[07:40] <UpuWork> ello what did I miss ? :)
[07:40] <Darkside> UK housing awards
[07:40] <fsphil> lol
[07:40] <UpuWork> haha
[07:40] <costyn> haha
[07:41] <fsphil> crap, the secret conference is out
[07:41] <fsphil> they know!
[07:42] <arko> ah crap
[07:43] <arko> i need to get home and sleep before it's too late
[07:43] <arko> got carried away with this pico
[07:43] <fsphil> easily done
[07:43] <costyn> UpuWork: can't believe how cool those Slovak guys are. trudging through the deep snow up a fairly steep hill to find AVA
[07:44] <arko> good night folks
[07:44] <UpuWork> night arko
[07:44] <fsphil> nite!
[07:45] <costyn> arko: cya
[07:45] <fsphil> If anyone lands on a mountain here I'd recover it (he says knowing there are only small mountains here)
[07:46] <griffonbot> @DerwentLiving: RT @smacdonaldIH: congratulations to winners at last night's #ukhas in London. Pics from night to ease sore heads to follow shortly...! ... [http://twitter.com/DerwentLiving/status/324428755105886208]
[07:47] <costyn> fsphil: :)
[07:47] <fsphil> I imagine you'd make a similar offer costyn :)
[07:47] <costyn> indeed
[07:48] <costyn> but I'm sure those guys had fun that day
[07:48] <fsphil> yes
[07:48] <costyn> cool that they had the time for it
[07:48] <fsphil> and heck if I had some mates who liked climbing mountains I'd probably be doing it myself
[07:48] <costyn> yup
[07:48] <UpuWork> it looked ace would have loved to climb up there myself
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[07:49] <number10> come over and climb some small mountings in the lakes fsphil - its fun
[07:49] <number10> mountains
[07:50] <fsphil> yea, it's not even that far from here
[07:52] <costyn> when I was in Scotland I had a good time climbing the hills there
[07:52] <griffonbot> @mickfuters: RT @smacdonaldIH: congratulations to winners at last night's #ukhas in London. Pics from night to ease sore heads to follow shortly...! ... [http://twitter.com/mickfuters/status/324430096624664578]
[07:52] <costyn> STFU already
[07:52] <costyn> that link doesn't even work for me
[07:53] <costyn> oh wait I have to remove the trailing ]
[07:55] <griffonbot> @CIHPresident: RT @smacdonaldIH: congratulations to winners at last night's #ukhas in London. Pics from night to ease sore heads to follow shortly...! ... [http://twitter.com/CIHPresident/status/324430811833171968]
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[08:14] <Tichi|School> hi
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[08:18] <Tichi|School> i wasreading a bit in the wiki, and what i was wondering about ---->the NTX2 transmitters alsways called FM-Transmitters, so why do I have to use the SSB mode on the reciever?
[08:19] <nosebleedkt> fsphil, I need RS8 encoder for the transmitter too ? right?
[08:19] <zyp> Tichi|School, because the SSB mode just lets you grab a bit of spectrum, and then you do the FM decoding in software
[08:20] <Tichi|School> ah ok, so i guess with an FM-only reciever i am lost, right?
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[08:21] <craag> Tichi|School: Unfortunately so.
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[08:23] <Tichi|School> hm, ok, so ill just start fiddling arround with morse, using a crystal oscilator on 27.0MHz :>
[08:23] <gonzo_> with the availability of cheal tv/dab usb dongles, you cam make a reasonably powerful receive system quite cheaply these days
[08:23] <gonzo_> cheap
[08:24] <Tichi|School> omfg im so dumb -.-#
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[08:24] <Tichi|School> i totally forgot that i have an funcube dongle just liyng arround
[08:24] <Tichi|School> \0/
[08:24] <craag> lol
[08:24] <costyn> haha
[08:24] <craag> That would do nicely!
[08:24] <costyn> indeed
[08:25] <gonzo_> they are so small, it's easy to do
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[08:26] <gonzo_> if it's a mk1 FCD I'd recomend adding a preamp/filter
[08:26] <gonzo_> see the ukhas supplies site
[08:26] <Tichi|School> i just didnt used it because the only semi strong signal here is the local APRS digi which has nearly absolute no traffic
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[08:26] <craag> Yeah, as gonzo says, look for the 'HABamp', it has a filter in it for 434MHz and a poerful preamp.
[08:27] <craag> *powerful
[08:27] <Tichi|School> ok, il take a look :)
[08:27] <costyn> Tichi|School: http://ava.upuaut.net/store/index.php?route=product/product&path=71_63&product_id=73
[08:27] <costyn> that's the HABamp
[08:29] <Tichi|School> ok:)
[08:30] <Tichi|School> with such a nice weather it would be a nice comeback training to hunt some satelites ^^
[08:30] <costyn> Tichi|School: or high altitude balloons, which is what we're all about :)
[08:31] <griffonbot> @CIHhousing: Congratulations to all the winners at last night's #UKHAs - all the details here http://t.co/L5QnL8NCT2 [http://twitter.com/CIHhousing/status/324439854840688640]
[08:33] <griffonbot> @MorganColeLLP: RT @CIHhousing: Congratulations to all the winners at last night's #UKHAs - all the details here http://t.co/L5QnL8NCT2 [http://twitter.com/MorganColeLLP/status/324440358790500352]
[08:35] <Tichi|School> costyn: i mean that in the kind that il'd better get back into the stuff with satellites to be prepared when your ballons come drive by my location ^^
[08:35] <griffonbot> @AndrewLycett: #UKHAs retrofit energy efficienc [http://twitter.com/AndrewLycett/status/324441076574351360]
[08:36] <costyn> Tichi|School: ah yea :) do you have a good antenna?
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[08:39] <Tichi|School> costyn: actually just a 2m/70cm wire with magnet on my car. but ill build one dedicated for "70cm band" and "pointing it in the sky xD
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[08:41] <mfa298> 2m/70cm magmount is good enough for HABs (at least when it's in a good location - stuck on top of the car), you might need something a bit more for satelittes or if you want it mounted on the house.
[08:44] <Tichi|School> what would be the eficiency of a simple 1/2 Dipole in vertical polarization?
[08:48] <mfa298> I've used a dipole made for 2m out of DIY store components and tracked down to the horizon.
[08:49] <nosebleedkt> query fsphil
[08:49] <fsphil> fsphil is a hooman
[08:49] <nosebleedkt> lol
[08:50] <mfa298> Tichi|School: this is what I've used from home for tracking https://www.dropbox.com/s/ijcx5khbifcfofb/2013-04-06%2014.19.09.jpg and as long as there aren't obstructions in the way it's worked very well.
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[10:28] <Habjoe> Hi, is there anyone around able to approve my flight doc for Saturday 20th April. AURA 11:15am (BST), launch announcement already sent to email group. etc
[10:30] <fsphil> Habjoe: best to ask in #habhub
[10:30] <Habjoe> yes... thanks was just thinking that...!
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[10:54] <cuddykid> predictions improving into next week
[10:54] <cuddykid> at long last :)
[10:55] <HixWork> So I need a VMWare player to test some PLM software at work. I've accidentally gone and made myself a xubuntu machine at work that I can do what i want on ;p
[10:55] <fsphil> hate it when that happens
[10:56] <HixWork> such an error on my part, dunno how i did that
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[11:01] <HixWork> what is the linux equivalent of notepad++
[11:01] <HixWork> is it emacs
[11:02] <mfa298> i think you'll find most people will tell you it's never emacs
[11:02] <mfa298> surely the correct answer is vim (or if you want a gui there's gvim)
[11:03] <fsphil> gedit might be similar to notepad++
[11:03] <HixWork> thats the one
[11:03] <HixWork> code highlighting was wehat i was after, gedit does that iirc
[11:03] <fsphil> it does
[11:04] <fsphil> vim will too
[11:04] <mfa298> vim/gvim will as well and useful things like syntax folding
[11:04] <mfa298> (gedit might do syntax folding as well - I've never used it to find out)
[11:06] <HixWork> hmm yeah syntax folding is useful, I'll look and see if gedit has that. If not, vim on the menu
[11:06] <eroomde> ooo ooo vim
[11:06] <eroomde> woo fanboi noises
[11:06] <zyp> you can't compare notepad++ to vim
[11:06] <eroomde> HixWork: i have read the scrollback
[11:06] <eroomde> it is NOT emacs
[11:06] <HixWork> heh
[11:06] <eroomde> the answer to any question is never emacs
[11:06] <eroomde> unless the question is 'which text editor is not as good as vim'
[11:06] <fsphil> "What editor should I not use?"
[11:07] <Darkside> haha
[11:07] <HixWork> Notepad.exe
[11:07] <mfa298> the answer is only ever "emacs" when the question is "what shouldn't I use"
[11:07] <eroomde> in which case the answer is the set of all text editors which aren't vim
[11:07] <eroomde> which include emacs
[11:07] <fsphil> "I've a work collegue who I don't like, which editor should I suggest to them?"
[11:07] <mfa298> damn beaten to it :(
[11:07] <HixWork> I've only used Vi and gedit in nix environment
[11:08] <eroomde> use vim
[11:08] <eroomde> be happy
[11:08] <HixWork> vi is short for vile
[11:08] <mfa298> most of the time vi is just a link to vim
[11:09] <HixWork> eroomde, you may have missed this part "So I need a VMWare player to test some PLM software at work. I've accidentally gone and made myself a xubuntu machine at work that I can do what i want on ;p" oops
[11:09] <eroomde> i saw it
[11:09] <mfa298> or sometimes it's vim in a compatibility mode for the people with long hair and pipes
[11:09] <HixWork> heh
[11:09] <eroomde> quite right
[11:09] <fsphil> or no hair and pipes
[11:10] <eroomde> http://static.flickr.com/87/240803829_9212773615_o.png
[11:10] <HixWork> what is it about editors that fires up such passion in people?
[11:10] <HixWork> almost as much passion asn space-art ;p
[11:11] <mfa298> vim vs emacs is one of those age old religious wars. a bit like PC vs Mac can be on some forums
[11:11] <fsphil> just use hexedit and get over it
[11:11] <HixWork> Personally I like Notepad++ on windows, it's very nice to use and has some great functionality
[11:12] <eroomde> NO
[11:12] <eroomde> vim
[11:12] <fsphil> I'm using gvim on windows
[11:12] <mfa298> I've never used it, if I need a decent text editor on windows I grab gvim
[11:13] <gonzo_> edlin ?
[11:13] <mfa298> I've also found gvim on windows can be a useful way of learning some of the funky features of vim.
[11:14] <mfa298> extra +1 for vim is having vimdiff - I'm not sure how I ever managed before I found that!
[11:15] <HixWork> the comparison tools is great for working out where I borked my code
[11:15] <HixWork> *are after tools
[11:15] <HixWork> or *tool
[11:15] <HixWork> eugh, I'm catching Essex
[11:16] <fsphil> is that contagious?
[11:18] <HixWork> i bloody hope not
[11:18] <HixWork> "We was......" makes me wretch everytime i hear it
[11:22] <HixWork> *retch
[11:23] <HixWork> sudo apr-get install vim
[11:24] <HixWork> ok eroomde :)
[11:24] <HixWork> *apt
[11:33] <Brace> if you want a gui diff tool, meld is good
[11:33] <Brace> and if you're on ubuntu server these days, they give you vim-tiny by default
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[11:34] <Brace> so if it's acting odd, make sure you get the full version
[11:39] <eroomde> yes meld is good i must say
[11:39] <mfa298> I might have to look at meld, although vimdiff fills my current needs.
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[11:43] <HixWork> does vim only work in terminal?
[11:44] <mfa298> there's a graphical version called gvim (at least on windows)
[11:44] <Brace> HixWork: gvim
[11:44] <HixWork> oops, missed the g bit out :)
[11:44] <HixWork> ta
[11:44] <Brace> if you install gvim, it pulls in 'normal' vim as well
[11:45] <mfa298> on fedora there's a package called vim-x11 which is probably the gvim variant, I'm not sure what ubuntu options do
[11:45] <eroomde> vim-gtk
[11:45] <HixWork> gvim has no installation candidate
[11:45] <eroomde> ^
[11:46] <HixWork> yup just seem cheers
[11:46] <HixWork> *seen
[11:47] <HixWork> one annoying thing is the vmplayer screen is a fixed size, options to control size are greyed out
[11:47] <HixWork> ahhh vim-gtk much nicer
[11:50] <Laurenceb> trolling
[11:50] <Laurenceb> steffanx
[11:50] <Laurenceb> y u no stop trolling
[11:56] <HixWork> ahh set display in xubuntu and auto resize, nice
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[12:39] <willdude123> Afternoon guys.
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[12:44] <eroomde> hi WillDuckworth
[12:44] <eroomde> missed
[12:44] <Wolfy-K4GHL> hey eroomde how you today
[12:45] <WillDuckworth> hey - i'm back
[12:45] <fsphil> howdy wills
[12:45] <WillDuckworth> hiya - how's tricks?
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[12:47] <Willdude123> People think I'm hacking when I have a black screen with white text open.
[12:47] <Willdude123> :(
[12:47] <fsphil> stuck at work, usual :)
[12:47] <Willdude123> Lol.
[12:47] <Wolfy-K4GHL> yall seen http://www.phonesat.org/index.php where they are launching 3 cellphone sats today?
[12:48] <Wolfy-K4GHL> PhoneSat satellites are emitting packets over the amateur radio band at 437.425 MHz. All three satellites transmit using AFSK (1200 bps) modulation, AX.25 packet coding and have vertical linear polarization.
[12:48] <WillDuckworth> is this on the Antares?
[12:48] <Willdude123> So I've set shellinabox to a white backgeround.
[12:48] <fsphil> never understood the attraction of launching phones on satellites
[12:48] <Wolfy-K4GHL> Yes WillDuckworth
[12:48] <Willdude123> *backgroung
[12:48] <Willdude123> *background
[12:48] <daveake> nor me
[12:49] <lz1dev> fsphil: they are more powerful than dedicated electronics
[12:49] <lz1dev> you dont mess around with emebedded development, but with high level languages like java
[12:49] <Wolfy-K4GHL> looks to be interesting anyway...
[12:50] <Wolfy-K4GHL> launch supposed to be in just over 8 hours
[12:50] <lz1dev> are they testing something, or going into orbit ?
[12:50] <Willdude123> Wow.
[12:50] <Wolfy-K4GHL> project to use off the shelf equipment for space stuff.. $3500 or less each sat
[12:50] <Willdude123> There a livestream of the launcH?
[12:51] <Wolfy-K4GHL> havent seen that yet but there is an orbit tracker on that site.. showing ISS right now
[12:51] <Wolfy-K4GHL> and a place to free register and upload telemetry data from anyone
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[12:51] <domlin> hi guys
[12:51] <fsphil> they need dl-fldigi :)
[12:52] <Wolfy-K4GHL> hey domlin
[12:52] <Wolfy-K4GHL> hehehe
[12:52] <domlin> just had a brainwave, gonna buy habhug.org and just take pictures of me hugging payloads/balloons
[12:52] <eroomde> Wolfy-K4GHL: i'm well
[12:52] <eroomde> doing some pcb design
[12:53] <Wolfy-K4GHL> sounds like a lot of fun... not :)
[12:53] <eroomde> my friend has a sat on the antares
[12:53] <Wolfy-K4GHL> really? cool
[12:53] <eroomde> i think he said he thought it was going to be inserted into an ocean-synchronous orbit
[12:53] <fsphil> wonder how long before a raspberry pi is launched
[12:54] <Brace> as a satellite?
[12:54] <Wolfy-K4GHL> I believe I saw where it was going to be launched from Virginia.. though may be wrong.. if it is then it shouldnt be too hard to track for me
[12:54] <fsphil> Brace: yea
[12:54] <HixWork> are your blolod sugar levels ok domlin ;p
[12:54] <Brace> dunno, but it'd be cool
[12:54] <HixWork> or blood
[12:54] <Wolfy-K4GHL> yeah that would be cool wouldnt it? build a space sat for less than $100 US ... or close to it.. really shake the folks up at NASA
[12:55] <HixWork> looks like i laughed in the middle of blood there
[12:55] <eroomde> i suspect nasa wouldn;t notice or care much
[12:55] <fsphil> nasa wouldn't touch cheap stuff
[12:55] <domlin> haha they are probably high HixWork :p
[12:55] <HixWork> weren't NASA pissed off at some HABers images?
[12:55] <eroomde> in theory they are doing research sats which will never be that cheap
[12:55] <eroomde> HixWork: no
[12:55] <eroomde> never
[12:55] <fsphil> haha, rob
[12:56] <UpuWork> no it was news paper bullshit
[12:56] <UpuWork> apparently
[12:56] <eroomde> there might have been some slighly enthusiastic talking to the press by people suggesting otherwise
[12:56] <fsphil> a media fabracation
[12:56] <domlin> possibility of double launch this weekend for me and chrisstubbs :D
[12:56] <domlin> we're thinking of doing a livestream too
[12:56] <fsphil> those are always fun
[12:56] <UpuWork> You can use the UKHAS Stream speak to me this evening
[12:57] <domlin> will it work from a mobile phone or a laptop?
[12:57] <Wolfy-K4GHL> on Saturday or Sunday Domlin?
[12:57] <UpuWork> Laptop with a camera
[12:57] <UpuWork> and Adobe FMLE
[12:57] <domlin> ah nice :)
[12:57] <UpuWork> http://www.adobe.com/uk/products/flash-media-encoder.html
[12:57] <UpuWork> its really simple to set up
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[12:58] <domlin> and Wolfy-K4GHL: one on saturday, possibly a pico floater on sunday, but on a different freq to stratodean
[12:58] <S_Mark> domlin, thanks :p
[12:59] <HixWork> we got a launchathon again?
[12:59] <S_Mark> we had a super serious practice launch last night
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[12:59] <S_Mark> http://www.stratodean.co.uk/2013/04/launch-practice.html
[13:00] <UpuWork> those trees look scary Mark
[13:00] <domlin> haha i haven't really been involved in any of the planning yet, all down to chrisstubbs so if anything goes wrong you know where to send the hate mail
[13:00] <chrisstubbs> S_Mark: evry entertaining video btw
[13:00] <S_Mark> Yeah will be in the middle, of the field, should be ok
[13:00] <Wolfy-K4GHL> Cool! Sunday we have our foxhunt around 1630Z
[13:01] <Willdude123> Looking forward to debugging my morse code code.
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[13:01] <Willdude123> Figuring how to iterate.
[13:01] <Wolfy-K4GHL> You guys are a great resource for learning... :) The one they launched here last weekend in Indiana apparently had a weak spot in the balloon and it didnt go as planned...
[13:02] <chrisstubbs> Thanks Upu :) will be dependant on 3G at launch site
[13:02] <Wolfy-K4GHL> when the balloon burst it took out the transmitters among other things
[13:02] <fsphil> ooch
[13:02] <fsphil> loose wire?
[13:02] <mfa298> Willdude123: if you're feeling brave, once you think your code is working well, post a link to it here and I'm sure people will suggest various ways you could improve it.
[13:03] <S_Mark> chrisstubbs, haha cheers. Live stream sounds good! We'll watch you for tips :p
[13:05] <Wolfy-K4GHL> Sorry to disappoint some, but it is a challenge to do this. My mind was other places, all information needed was in the post at the top. The balloon launch about 35 to 40 minutes late due to typical assembly delays. There was a balloon defect that was detected far to late during the fill. It had a definite thin area on one upper side of the balloon. It went up at about 1000 fpm until it
[13:05] <Wolfy-K4GHL> reached the mid 60k's. The PBC(post burst chaos) snapped the HF antenna and the transmission went to almost nothing. The APRS unit must have had a battery pop loose or was in a bad position. Luckily there was a voice beacon on the payload and we were able to somewhat track it. One ham was able to stay close to it using the prediction landing zone and the voice beacon. Once it hit the
[13:05] <Wolfy-K4GHL> trees it must have knocked whatever was wrong with the APRS back into place. That same ham had a mobile I-gate and relayed that last position. It was in a pine tree farm which made it hard for the tree climber to get up since they were fairly young trees. We got everything back except 1 science experiment that just disappeared with no sign.
[13:05] <Wolfy-K4GHL> Looking at the pics after the fact, the balloon was really bad off, but there was nothing we could do. We were to far into the fill to switch balloons and have enough helium. Overall not a bad flight, but not as high as we wanted.
[13:05] <Willdude123> mfa298: Can't do it now.
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[13:05] <Wolfy-K4GHL> The photo gallery is at http://otmstitans.com/Page/12382
[13:05] <eroomde> is that you saying that or someone else Wolfy-K4GHL ?
[13:06] <Wolfy-K4GHL> copy/paste from the launch director
[13:06] <mfa298> Willdude123: get it working first, that way you understand what it's doing. Getting other people to look after you've done it is an extra learning step as a way of finding what ways you could improve it.
[13:07] <mfa298> Willdude123: it's up to you whether you want other people to comment, but it can be a useful way of learning more stuff.
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[13:14] <domlin> anyone know where you can hire a car in the UK if you're under 21?
[13:15] <SpeedEvil> eBay.
[13:15] <SpeedEvil> :-)
[13:16] <kokey> hmmm, some places do for an extra fee
[13:16] <kokey> can't remember who tho
[13:17] <S_Mark> you checked your local independant hire garage? a few round our way do
[13:17] <S_Mark> and minibuses
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[13:19] <domlin> hmm I haven't as of yet, not a bad idea
[13:19] <fsphil> chase bus
[13:19] <Wolfy-K4GHL> what like in the movie Twister ? ROFL
[13:19] <domlin> I would borrow one of my parents cars but they're a bit overpowered for me getting insured on them haha
[13:20] <SpeedEvil> you can get one day insurance
[13:21] <mfa298> the other option to try is find someone locally with a car that wants a fun day out.
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[13:21] <S_Mark> mfa298, good idea
[13:22] <S_Mark> dont your parents wanna go?
[13:22] <HixWork> If it wasn't for you launching at 09:00 I'd probably help out, though my car is no use whatsoever
[13:22] <craag> Launching from essex aren't you?
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[13:25] <HixWork> craag Bicknacre, Chelmsford
[13:27] <craag> HixWork: Yeah, too far away for me.
[13:28] <HixWork> where are you based craag?
[13:29] <gonzo_> hertz have a surcharge for drivers below 25, not sure what the min age is
[13:29] <craag> Soton.
[13:29] <HixWork> hmm, yeah, bit of a trek
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[13:30] <craag> Wouldn't be much of a help really, my car is a little underpowered for carrying hab gear.
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[13:33] <gonzo_> or get to the nearest rail station and see if someone can give you a lift?
[13:35] <craag> gonzo_: domlin was looking for a car to hire/borrow for his launch this weekend.
[13:35] <gonzo_> sorry, didn't read that far back
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[13:37] <cuddykid> http://pic.twitter.com/lBVqS5PLMZ :) weighs in at 460g (nothing inside) - will have a camera boom above, so I reckon the overall weight is going to be between 1.5 and 2kg - time to get a bigger chute
[13:39] <HixWork> domlin / chrisstubbs if you have trouble, I could haul my arse out of bed early and act as driver
[13:39] <S_Mark> experiments sound a good way to get revenue, you had a good take up?
[13:39] <eroomde> arko: vivado (xilinx fpga tools new fancy name) is actually pleasingly painless on ubuntu
[13:39] <domlin> HixWork, gonzo_: thank you very much! but chrisstubbs is driving for the launch/chase, i was actually looking to rent a car for a friends birthday up in manchester haha.
[13:40] <eroomde> which iw pleasing
[13:40] <eroomde> and painless
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[13:40] <craag> oh my bad
[13:40] <Laurenceb> http://www.iter.org/album/construction/tkmfoundations
[13:40] <costyn> HixWork: but isn't your car that mad Clio?
[13:40] <cuddykid> S_Mark: not as good as I was expecting - turned out quite hard to keep chasing the schools up - they require a long lead time too. Hopefully if this one gets a bit of exposure the 2nd might have a better take up
[13:41] <domlin> hertz minimum age is 23 :(
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[13:42] <S_Mark> cuddykid, yeah schools do like things to fit in with their lesson plans. yeah maybe the second one will have more take up
[13:43] <HixWork> Though it'd have to be a rental as I have 2 seats and outrageous petrol consumption
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[13:43] <S_Mark> maybe try clubs instead of schools
[13:44] <cuddykid> S_Mark: this is open to absolutely anyone, but the hard bit is getting the message out
[13:44] <cuddykid> I've had a quite a lot of interest and "we would love to be part" - then they never get around to actually creating anything!
[13:45] <S_Mark> cuddykid, yeah same as always!
[13:45] <costyn> cuddykid: yup, story of my life. :)
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[13:46] <cuddykid> just want to get this one underway asap now and see how it goes
[13:46] <cuddykid> probably won't occur until june though due to exams
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[14:03] <domlin> well, the megabus can get me to manchester and back again for £14. thats fine :p
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[14:15] <Laurenceb> domlin: remember to take your elights
[14:16] <domlin> Laurenceb: haha, i've only ever megabussed once and everyone was very drunk.
[14:17] <Laurenceb> http://www.bbc.co.uk/news/uk-england-stoke-staffordshire-18728303
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[14:18] <domlin> hahahah brilliant!
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[14:25] <HixWork> I'm installing Windows 8 on the VM now, just to see how evil it really is
[14:27] <daveake> Walk away from the keyboard now
[14:27] <HixWork> It's a VM so the evil cannot escape
[14:27] <daveake> burn it after
[14:27] <daveake> just to be sure
[14:27] <HixWork> Just want to see how awful it is
[14:27] <domlin> HixWork: I like win8 :)
[14:27] <x-f> what has been seen, cannot be unseen
[14:27] Action: domlin awaits death threats
[14:28] <lz1dev> HixWork> It's a VM so the evil cannot escape
[14:28] <lz1dev> that the opening line of every apocalypse movie
[14:29] <HixWork> It can't be as bad as granny porn
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[14:30] <HixWork> someone krept up and killed domlin then?
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[14:31] <mfa298> once you get used to the weirdness in the metro interface win8 isn't any worse than win7
[14:31] <craag> Nah, that's win8 taking over his browser
[14:31] <craag> He wasn't using MS-irc
[14:31] <HixWork> I'm also interested to see just how patronising the control panel might be after win7's attempt to deal with IT at retard level
[14:32] <mfa298> win8 hasn't upset me enough yet to make me go and grab the win7 dvd to put on instead, although at least I'm on a laptop with multitouch track pad, I can imagine it getting more annoying with a mouse
[14:34] <HixWork> Office 2010 - there's another example of how to just clutter up an exisiting menu system and make it take up 200% of the space it needs
[14:34] <mfa298> HixWork: I think the control panel is about the same as W7, Starts off in the simplified mode but you can easily change it to list everything (I think it's been like that since XP)
[14:34] <HixWork> *300%
[14:35] <mfa298> In office there's a button to make it hide the ribbon so it it's only visible when you click on one of the headings
[14:35] <mfa298> one thing I do like in W8 is that you can right click where the start menu would be and there are links to Control panel, Command prompt, command prompt (admin) and other useful control pannel things
[14:38] <fsphil> the same stuff you used to get when you left clicked then?
[14:39] <mfa298> more like the stuff you got when you left clicked on start and then right clicked on computer. Or left clicked on start and then went into control panel
[14:41] <mfa298> if you left click in the bottom left corner you go into the metro interface which I just treat as a glorified full screen start menu. (The stuff I use regularly is on the dektop or pinned to the task bar)
[14:41] <fsphil> you can't left click on it, it seems to be some hover the mouse over a particular pixel thing
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[14:43] <mfa298> it's move the mouse right into the corner and you get a preview of the start screen but I've had to click to get into it.
[14:44] <mfa298> but then I can go for days without needing to use it
[14:46] <HixWork> it's a bit annoying to be honest, I'm sure you can kill a lot of the fluffy crap tho. I won't be rushing to use it, figured might as well play with it on a VM just to see, sure I'm going to have to sort someones laptop out that they bought from PC World with it on
[14:46] <HixWork> at some point in the not too distant
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[14:47] <mfa298> I've just got a new laptop and as Win8 Pro cost the same as Win7 Pro (which is what I'd have normally gone for) and the win8 Pro includes downgrade rights that seemed the sensible option.
[14:48] <mfa298> I even turned on Hyper-V for a bit but that's gone back off having see how far behind everything else it is.
[14:49] <HixWork> fair nuff
[14:50] <mattbrejza> task manager is much better too
[14:51] <cuddykid> ping daveake
[14:51] <daveake> pung
[14:51] <cuddykid> pm :)
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[14:57] <DrLuke> I scream, you scream, we all scream for ice cream
[14:57] <DrLuke> except for all the brits in here
[14:57] <DrLuke> :)
[14:58] <SpeedEvil> I just had some
[14:58] <eroomde> it's sunny here atm
[14:58] <eroomde> although very windy
[14:58] <SpeedEvil> rainy here
[14:58] <eroomde> yeah but you're in scotland
[14:58] <eroomde> that's how it works
[14:58] <SpeedEvil> cheap tesco ice cream
[14:59] <eroomde> deep-fried
[14:59] <SpeedEvil> on top of a hand full of frozen blackcurrants, microwaved to boil and go nice and sticky
[14:59] <SpeedEvil> then put the ice cream on top
[14:59] <SpeedEvil> deliciously sour and warm
[15:01] <eroomde> like ear wax
[15:01] <HixWork> DrLuke, what is it with Germany and Ice Cream? Everytime I've been there and the weather starts to warm up it seems as though everyone reverts to a pre-disposed Ice Cream setting :)
[15:01] <SpeedEvil> more vitamin C
[15:01] <HixWork> ear wax is massively underrated ;p
[15:01] <DrLuke> HixWork: it's like hipsters
[15:01] <fsphil> I quite like ice cream all year round
[15:02] <DrLuke> everybody in germany likes ice when it's warm because that's what you eat in italy
[15:02] <DrLuke> and who wouldn't like to feel as if they were in italy?
[15:02] <DrLuke> answer: not germans
[15:02] <HixWork> heh
[15:03] <SpeedEvil> sleep with underage prostitutes, and get reelected. what's not to like.
[15:03] <DrLuke> yep
[15:03] <fsphil> twice
[15:03] <SpeedEvil> his career is quite ridiculous
[15:03] <SpeedEvil> and that's career in the sense of barely controlled random course at high speed.
[15:04] <Babs> and he's a billionaire
[15:04] <Babs> Perhaps he's looking like us like we're the ridiculous ones
[15:05] <Babs> "at" not "like"
[15:06] <Babs> thats the first "like" and not the second "like"
[15:06] <eroomde> i'm not sure. that implated hairline...
[15:06] <Babs> Perhaps you're right eroomde, it's all swings and roundabouts. However, the Queen waved at me from her car today so nothing can assault my good mood.
[15:07] <fsphil> a Queen or the Queen?
[15:07] <eroomde> what did you do to deserve that?
[15:07] <HixWork> I was quite surprised when I went for an Interview at Ferarri last year. They sat me in a room for 8 hours working on the most f-ed up CAD model they could find. Not once did anyone ask me if if I would like even a glass of water, nevermind lunch
[15:07] <eroomde> was she on the way to the funeral?
[15:08] <Babs> Definitely *the* Queen. Prince Edward was nowhere near her so I couldn't have got the two confused.
[15:08] <eroomde> ho.
[15:08] <fsphil> guess you have to change your nick to SirBabs now
[15:08] <HixWork> I was expecting a nice lunch, especially as they knew I had flown over that morning purely to see them.
[15:08] <Babs> eroomde - I was standing outside Pret a Manger drinking a DC. Her car has awesome blue underlighting in the style of a blinged up teenage Vauxhall nova.
[15:09] <eroomde> a DC?
[15:09] <fsphil> those are UV lights, sterilising the ground
[15:09] <SpeedEvil> Babs: that's required, and is camoflague, for when it flies overhead
[15:10] <Babs> The cortege went past my office (everyone was queued up on the other side of St Pauls, and it went the other way). Me and a solitary colleague saw Her Maj. I even glimpsed the body.
[15:10] <Babs> eroomde - Diet Coke.
[15:10] <HixWork> Elle McPhersonn was there?
[15:10] <Babs> fsphil - I would if I knew how to change my nick....
[15:10] <fsphil> type /rise SirBabs
[15:10] <HixWork> "/nick" new
[15:10] <fsphil> (not really, /nick bla)
[15:11] <HixWork> BaronBabs
[15:11] <Babs> SerfBabs
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[15:12] <eroomde> Babs of babbington
[15:12] <eroomde> i think that place exists somewhere around here
[15:12] <eroomde> there's definitely a SHabbington
[15:12] <Babs> I have no signal here (100m from St Pauls - thanks Vodafone) otherwise I would post a photo of our no numberplated monarch.
[15:12] <SpeedEvil> http://b3ta.com/challenge/thatcherrip/
[15:13] <SpeedEvil> strangely, there seem to be few images in celebration of her life
[15:13] <Babs> Babington exists. I'm getting married there in July.
[15:13] <daveake> hah nice
[15:13] <eroomde> my friend's office is next to St Paul's. It's a brrom cupboard but they have the roof deck as part of their rent. I want to take serious advantage this summer
[15:14] <SpeedEvil> get a nice tan?
[15:14] <Babs> daveake: Sadly no one in my family appears to have done the sensible thing and claimed ownership back in 1600 and something.
[15:15] <Babs> eroomde - drop me a line when you are up. We can do reverse HABs onto the public below from the terrace. The French schoolkids that descend like a swarm of ants around the place in the summer love that kind of thing.
[15:15] <eroomde> i bet they do
[15:15] <fsphil> reverse HABs? fill it with heaver than air gas?
[15:15] <eroomde> yes
[15:15] <eroomde> for example lead
[15:15] <x-f> water?
[15:15] <fsphil> water
[15:16] <Babs> Heavy water.
[15:16] <SpeedEvil> vapourised lead
[15:16] <HixWork> Uranium
[15:16] <mattbrejza> does it burst on the ground and ascend back to the roof line on a parachute?
[15:16] <fsphil> groundnear.us
[15:16] <x-f> it's a floater - launch and forget
[15:16] <daveake> Do you need a MATON?
[15:17] <fsphil> nope, can't figure that one out
[15:17] <Babs> mattbrejzaq - like a yo-yo
[15:17] <daveake> from the AAC
[15:18] <fsphil> gotcha
[15:18] Action: fsphil catches up
[15:18] <daveake> from Divad relliM
[15:18] <daveake> :)
[15:18] <fsphil> sounds welsh
[15:19] <HixWork> not as welsh as Rellim Divad
[15:20] <Babs> At least my first go at an antenna would be pointing the right way up (Thanks Upu for pointing out my mistake....)
[15:20] Action: mfa298 waits for ekaevad to fly an eip
[15:20] <eroomde> oh i thought that was deliberate
[15:20] <eroomde> your upside down antenna with the 45-degree radials facing down
[15:20] <Babs> There were a bunch of people at the ISS looking forward to picking up a signal from BABS-HAB
[15:20] <eroomde> i couldn;t work out why you'd want to do that but didn't say anything
[15:21] <Babs> I did it deliberately to see whether anyone was awake on here
[15:21] <eroomde> assumed there was a clever reason
[15:22] <Babs> That's the thing. To the layman, it just looked as if I didn't have a clue what I was doing...
[15:22] <fsphil> stealth radio -- it cunningly doesn't transmit anything that can be tracked
[15:22] <eroomde> my friend next to me is good at linear alebra but hasn't really done any statistics. watching him try and figure out kalman filters is like watching someone try and break down a brick wall by repeatedly headbutting it
[15:23] <fsphil> that's me doing most maths
[15:23] <fsphil> explains the migranes
[15:23] <eroomde> shear force of will
[15:23] <Babs> My friend next to me really hasn't a clue about anything. He thought Tupac Shakur was a jewish holiday.
[15:23] <daveake> shear force of phil
[15:24] <fsphil> that's more powerful than will
[15:24] <fsphil> I don't have any friends next to me. Just people I tolerate
[15:25] <eroomde> Babs: that's amazing
[15:26] <eroomde> fsphil: i now have iain
[15:26] <eroomde> who was my generation of CUSF
[15:26] <eroomde> and now my work colleague
[15:26] <Babs> To be fair, I stole the joke.
[15:26] <eroomde> since last week
[15:26] <eroomde> which is pleasing
[15:26] <fsphil> eroomde: that would be great
[15:26] <eroomde> Babs: yes i suspected so :)
[15:26] <fsphil> CUSF goes pro
[15:27] <Babs> Finally got signal - here she is, http://tinypic.com/view.php?pic=fn6x4h&s=6
[15:29] <eroomde> CUSF is pro yep!
[15:29] <eroomde> half the original team are now here
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[15:47] <Willdude123> Good Afternoon guys.
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[16:05] <Willdude123> Is it possible to iterate through characters of strings in an array on arduino?
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[16:06] <daveake> "characters *of* strings"?
[16:07] <daveake> You mean "in"? Yes.
[16:07] <eroomde> i need a bash guru
[16:07] <eroomde> i want to list any symlinks in the current directory and its subdirectories that leave the current directory tree
[16:08] <eroomde> i.e. anything that could be dangerous if i do rm -rf
[16:08] <Willdude123> daveake: Yes, I do.
[16:08] <eroomde> i don't care about symlinks from one subdirectry to another
[16:08] <mfa298> a string is just an array of characters, the clue is in how the string is defined (assuming arduino does the same as normal C. e.g. char string[100];
[16:09] <mfa298> I think you can get find to list all symlinks
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[16:09] <Willdude123> So could you have array[4][3]?
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[16:10] <Willdude123> Would that work?
[16:10] <mfa298> "find . -type l -ls" will list all symlinks from the current dir
[16:11] <eroomde> yes that's easy
[16:11] <mfa298> then some suitable grep should pick up anything that goes outside the current tree (or just check by eye if there aren't many)
[16:11] <eroomde> in my case
[16:11] <eroomde> ls -lR | grep ^l
[16:11] <eroomde> i guess i can grep too for anything that also has ..
[16:12] <mfa298> I think i'd probably grep for anything where the target starts with .. or /
[16:12] <Willdude123> Say I have an array of ["foo", "bar"], can I call array[2][1] to get "a"?
[16:13] <mfa298> although if there's only a small amount of symlinks I'd probably just do it by eye
[16:14] <mfa298> on most systems rm -rf should just delete the symlink rather than following them - although I never trust it as I think on one form of unix I lost data when it did follow symlinks (possibly on irix)
[16:14] <mfa298> Willdude123: you can have arrays of arrays like that (although it's worth getting to grips with how a single array works)
[16:15] <mfa298> Willdude123: you might also want to learn about pointers - although that can take a while to get your head around (and I'm not sure if they'll help much with arduino programming)
[16:19] <Willdude123> Okat.
[16:19] <Willdude123> I'm trying to write a morse code LED program.
[16:20] <Willdude123> And I have an array of every letter in morse code.
[16:20] <Willdude123> I just need to parse them and call the dit, dah, letter space and wordspace procedures.
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[16:21] <nosebleedkt> Guys
[16:21] <nosebleedkt> one friend took this balloon
[16:21] <nosebleedkt> for HAB
[16:21] <nosebleedkt> :\
[16:21] <nosebleedkt> http://www.scientificsales.com/8238-Weather-Balloon-350-Grams-Natural-p/8238.htm
[16:21] <nosebleedkt> is it suitable ?
[16:25] <eroomde> nosebleedkt: yes
[16:25] <eroomde> but that's quite a small one
[16:25] <eroomde> so it probably won't be breaking any altitude records
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[16:26] <mfa298> Willdude123: in theory that should work, although I'm not sure how easily you can define a set of arrays like that for strings in C (I've not done much AVR/Arduino programming yet and for console stuff I tend to allocate memory as needed - but that requires an understanding of pointers).
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[16:26] <nosebleedkt> anyone answered? I had D/C
[16:26] <eroomde> 16:25 < eroomde> nosebleedkt: yes
[16:26] <eroomde> 16:25 < eroomde> but that's quite a small one
[16:26] <eroomde> 16:25 < eroomde> so it probably won't be breaking any altitude records
[16:27] <nosebleedkt> eroomde, Hello
[16:27] <mfa298> Willdude123: For what you're doing I'd be tempted to make a large switch statement
[16:27] <nosebleedkt> he does not want to break anything. just have a flight.
[16:27] <eroomde> Hello
[16:27] <eroomde> that'll be fine then
[16:27] <nosebleedkt> is this a kaymont balloon?
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[16:27] <nosebleedkt> I want to help him with CUSF calculator
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[16:28] <mattbrejza> Willdude123: the other way is to have two arrays, one array with the length of each character, and the other one having 011 (meaning .--) for each character
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[16:30] <nosebleedkt> .
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[16:32] <arko> mornin'
[16:32] <eroomde> arko: i downloaded vivado design suite
[16:32] <eroomde> or rather, i downloaded the 'full linux installer' 5GB that i was linked to from the 'download webpack ISE' link on their website
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[16:33] <eroomde> and then spenquite a long tiem trying to figure out why i couldn't get any of the spartan family as an option
[16:33] <eroomde> and thensaw that the webpack was hidden behind a tab on their download page and that i had got the wrong 6GB download
[16:33] <eroomde> i cursed the skies
[16:34] <arko> hahaha
[16:35] <eroomde> this is so annoying
[16:35] <eroomde> but the installation was pretty painless though
[16:35] <arko> http://cdn.memegenerator.net/instances/400x/37073440.jpg
[16:35] <eroomde> not quite so bewildering as i though they might be
[16:35] <arko> has webpack crashed on you yet?
[16:36] <nosebleedkt> .
[16:36] <eroomde> i am downloading it now
[16:36] <eroomde> at 144kb/s
[16:36] <eroomde> which is the net link we have in the middle of this world war 2 airfield
[16:36] <nosebleedkt> eroomde, do you know if those balloons are like kaymont or hwuoee ?
[16:36] <eroomde> no
[16:36] <arko> dear god thats slow
[16:36] <eroomde> i thought they were totex/kaymont
[16:36] <eroomde> but don't remember
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[16:39] <eroomde> 12 hours to download at this rate
[16:39] <eroomde> think i might pause it and do it at home where it'll take 20 minutes
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[16:42] <arko> lol
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[16:43] <Willdude123> Do any other HABers play minecraft?
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[16:45] <mattbrejza> http://imgur.com/a/KK1v1#8tuMa
[16:45] <nosebleedkt> fsphil, if i send you the bytes i received
[16:45] <nosebleedkt> can you depict the image?
[16:45] <nosebleedkt> :D
[16:45] <mfa298> Willdude123: these are a couple of ways I think you could do it (this is just off the top of my head as an example)
[16:45] <mfa298> helps if I add the URL http://pastie.org/private/ypo4cqxnl2habt8x9baq
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[16:46] <Lunar_Lander> hello
[16:46] <mattbrejza> mfa298: the array method uses a reasonable amount of RAM though
[16:46] <mattbrejza> it can be compressed somewhat
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[16:48] <mfa298> mattbrejza: I don't particularly like creating the array like that but I wanted to keep it simple (If I was doing that I'd probably have used malloc)
[16:48] <mattbrejza> i suppose best to start simple
[16:49] <mfa298> my method of choice for this would probably be the large switch statement
[16:49] <mattbrejza> depends if Willdude123 wants to do bit manipulation
[16:49] <mattbrejza> i suppose its a case of progmem vs ram
[16:49] <mattbrejza> switch vs array
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[16:49] <Willdude123> mfa298: Thanks.
[16:49] <mattbrejza> but the array one is gonna be more useful from a learning point of view
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[16:51] <mfa298> I'm now wondering how much more prog mem there would be for the switch statment. They've both got the whole alphabet in progmem, the difference is going to be in how you look it up.
[16:52] <mattbrejza> well the prog mem will have all the jump addreses
[16:52] <mattbrejza> maybe more of an issue for larger cases
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[16:55] <mfa298> the other method that could work is having the alphabet defined in a set of #define statments
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[16:56] <mfa298> although I'm not sure it helps that much
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[17:07] <Lunar_Lander> Upu, tested the Chip antenna GPS today
[17:07] <Lunar_Lander> I got lock within some 40 seconds when sitting outside
[17:07] <Lunar_Lander> I am satisfied
[17:07] <Lunar_Lander> :)
[17:08] <Upu> I shall stamp all further antennas with "Approve by Lunar"
[17:09] <Willdude123> Lol.
[17:09] <Willdude123> Hi Upu.
[17:09] <Upu> evening Will
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[17:11] <Willdude123> I'll be getting my morse code flasher working tonight, and maybe start on my GPS code.
[17:12] <Upu> super
[17:12] <Willdude123> Why are arduino wifi shields so expensive?
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[17:16] <fsphil> why are arduino's so expensive
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[17:17] <Steffanx> You can ask the same about so many other products fsphil
[17:18] <fsphil> Some have an easy answer though. like "Why are Sony products so expensive?"
[17:18] <Steffanx> I was thinking about Apple, but Sony or Lenovo works too
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[17:18] <Steffanx> freeduino seems to be cheaper
[17:19] <fsphil> ks kt f
[17:19] <fsphil> er
[17:19] <fsphil> is it free?
[17:19] <Steffanx> No
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[17:19] <fsphil> false advertising
[17:20] <mattbrejza> tbh http://onecall.farnell.com/atmel/atmega168p-20pu/8-bit-mcu-16k-fla-2-7-5-5v-pdip28/dp/SC09737
[17:21] <fsphil> that, crystal and a few resistors. sorted :)
[17:21] <fsphil> heck you don't really need a crystal either
[17:21] <mattbrejza> resistors? :P
[17:22] <fsphil> ok, not needed
[17:22] <fsphil> maybe a cap on the vcc line
[17:22] <arko> habex2 edited time-lapse http://www.youtube.com/watch?v=SWYrTHp9Er0
[17:23] <fsphil> what does habex stand for?
[17:23] <Lunar_Lander> Upu, xD
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[17:23] <arko> High Altitude Balloon EXperiment
[17:23] <Upu> have a guess ? :)
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[17:23] <eroomde> I guess High Altitude Balloon Experiment
[17:23] <eroomde> do i win something?
[17:23] <arko> very good!
[17:24] <eroomde> a fast internet connection at work would be nice
[17:24] <arko> yes, a piece of toast
[17:24] <fsphil> High And Brilliant Experiment
[17:24] <fsphil> toast, posted through fedex
[17:24] <arko> expect it
[17:24] <fsphil> never to arrive
[17:25] <fsphil> you got some nice shots
[17:25] <arko> :)
[17:25] <arko> i think the inception music helps
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[17:29] <Lunar_Lander> fsphil, you need the 22pF caps on the xtal
[17:29] <fsphil> not always :)
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[17:40] <mark__> Does anyone know of somewhere I can paste a RTTY string and validate the checksum I'm producing, dl-fldigi doesn't seem to like mine :(
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[17:44] <griffonbot> Received email: Ed Moore "Re: [UKHAS] Tools for Prototyping"
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[17:47] <arko> so think im going to have my next hab drop off a rover
[17:49] <arko> next big hab that is
[17:49] <kokey> grep -E '^hab.{1,3}$' /usr/share/dict/words
[17:49] <kokey> doesn't seem to come up with any fun names
[17:49] <daveake> shabby
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[18:10] <griffonbot> Received email: PhilipM "Re: [UKHAS] Tools for Prototyping"
[18:10] <griffonbot> Received email: Henry Hallam "Re: [UKHAS] Tools for Prototyping"
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[18:19] <Willdude123> Given up on the morse code project, considering it's very tedious and slightly pointless.
[18:20] <Willdude123> So how should I start writing my ublox code?
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[18:20] <Upu> start by reading in data from the serial port
[18:20] <Upu> byte by byte
[18:20] <mfa298> Willdude123: I wouldn't say it's pointless, the point is learning more about C and arduino using some fairly simple code.
[18:21] <Upu> and then flagging when you get a comma
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[18:22] <Willdude123> This is fairly simple????!
[18:22] <Willdude123> Okay.
[18:23] <Willdude123> Upu: Does the Ublox need polling or does it spit out sentences anyway?
[18:23] <Upu> by default it spits out sentences
[18:23] <Upu> though you can poll it but I'd just start simple
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[18:30] <nigelvh> Upu, this is probably beyond scope, but do you happen to know if gps modules "based on" the uBlox-6 chipset are likely to respond like a ublox-6 should?
[18:30] <nigelvh> For example, this: https://www.sparkfun.com/products/11571
[18:31] <griffonbot> Received email: Ed Moore "Re: [UKHAS] Tools for Prototyping"
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[18:44] <meatmanek> speaking of GPSes, has anyone used http://www.adafruit.com/products/746
[18:44] <meatmanek> the adafruit "ultimate gps"
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[19:01] <Willdude123> I'm getting gibberish back from my ublox.
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[19:02] <chrisstubbs> http://aprs.gids.nl/nmea/ gibberish?
[19:03] <Willdude123> No.
[19:03] <Willdude123> Things like jiffe98 ¹¾îYYI
[19:03] <chrisstubbs> what baud rate are you using?
[19:03] <Willdude123> And [ ¹¾­)))/
[19:03] <chrisstubbs> should be 9600 by defualt
[19:03] <chrisstubbs> on the ublox that is
[19:03] <Willdude123> Oh okay.
[19:03] <Willdude123> Thought it was 48--
[19:03] <Willdude123> *4800
[19:04] <fsphil> 9600, though I got a couple that ran at 19200 by default
[19:04] <Upu> hye nigelvh
[19:04] <nigelvh> Howdy Upu
[19:04] <Upu> its probably just the ublox positioning chip thats in the MAX6
[19:05] <nigelvh> So it's unlikely to support things like "flight mode"?
[19:05] <Upu> no idea but no mention of UBX commands
[19:06] <Upu> only lists NMEA as protocol
[19:06] <nigelvh> Hmm
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[19:09] <Upu> would probably stick with a proper ublox module
[19:09] <nigelvh> Yeah, that's the sense I'm getting. Stupid limits making us hunt down special gps's.
[19:10] <Lunar_Lander> want to hear another electronics test bench fail?
[19:12] <Upu> shoot Lunar_Lander
[19:12] <staylo_> /shoot Lunar_Lander
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[19:12] <Lunar_Lander> I tried the chip antenna with a standalone atmega328p, set up a software serial to read the data on the PC with RealTerm
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[19:12] <Lunar_Lander> problem was, my RS-232 breakout has the labels on the back
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[19:13] <Lunar_Lander> so I decided to "park" the jumper wires to the GPS first in some unused spaces and to measure if I get 3.3V and not 5V
[19:13] <Lunar_Lander> so I plug in the USB and the RX/TX lights light up and it starts to smell bad and suddenly windows says something about USB overvoltage
[19:13] <Lunar_Lander> so
[19:13] <Lunar_Lander> I look at the breadboard
[19:14] <Lunar_Lander> and I put the VCC and GND wires for the GPS into the same line of the breadboard
[19:14] <Willdude123> Is:
[19:14] <Willdude123> $GPGGA,191431.00,5115.37736,N,00110.24410,W,1,05,1.7,326,,68,,*4
[19:14] <craag> So you shorted the USB 5V?
[19:15] <Upu> nice Lunar
[19:15] <Lunar_Lander> no I just shorted the jumpers
[19:15] <Willdude123> Wait.
[19:15] <Upu> thats what you want Willdude123
[19:15] <Lunar_Lander> the GPS was disconnected as I said at the beginning
[19:15] <Willdude123> I'm getting unusual GPGGA sentences.
[19:15] <Willdude123> Like
[19:15] <Willdude123> $GPGGA,191431.00,5115.37736,N,00110.24410,W,1,05,1.7,326,,68,,*4
[19:15] <Willdude123> $GGA,,,3,1,2,514,,,,3.31.22.2*0
[19:15] <Willdude123> It has the $GGA bit on the same line.
[19:15] <Upu> are you using software serial to read the GPS ?
[19:15] <Willdude123> Yeah I know you can figure out where I live.
[19:15] <Willdude123> Yep.
[19:16] <nigelvh> I fried my motherboard once while building a large 12V power supply. I had an aruduino in the power supply to control stuff, and was plugged into it at the time. One of the main transistors shorted to ground and dumped 12V through the USB port and fried my motherboard.
[19:16] <Upu> ok thats probably the issue
[19:16] <Lunar_Lander> nigelvh, ouch
[19:16] <Willdude123> Worked fine previously, should I use hardware serial?
[19:16] <Lunar_Lander> hello S_Mark
[19:16] <Willdude123> Won't I need to get the data to my pc?
[19:16] <Willdude123> Which uses hardware serial.
[19:16] <S_Mark> Lunar_Lander: Hello
[19:16] <Upu> well under your GPS.begin line
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[19:16] <Upu> do this : (small spam)
[19:16] <Upu> GPS.print("$PUBX,41,1,0007,0003,4800,0*13\r\n");
[19:16] <Upu> GPS.begin(4800);
[19:16] <Upu> GPS.flush();
[19:17] <Lunar_Lander> how are you today?
[19:17] <Upu> that switch the GPS to 4800 baud
[19:17] <Upu> switches
[19:17] <S_Mark> Good thank you
[19:18] <S_Mark> We are just sat here discussing payload cord lengths - any input anyone?
[19:18] <Willdude123> Upu: I'll put that in Void.setup?
[19:18] <Upu> balloon <- 10m -> parachute <-20m -> payload
[19:18] <Upu> yes Willdude123
[19:19] <Upu> what sized balloon are you using S_Mark ?
[19:19] <Upu> hang on sorry ignore that
[19:19] <S_Mark> Hey upu, 1000g
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[19:19] <Upu> no that
[19:19] <Upu> is fine
[19:19] <S_Mark> Whats the thinking behind the 10/20?
[19:19] <Upu> http://blog.jgc.org/2011/03/gaga-1-stack.html
[19:20] <Upu> well a 1600g balloon when burst could swing down between the parachute and the payload
[19:20] <Upu> so if its 10 meters / 10 meters you could end up with a payload wrapped in latex
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[19:20] <Willdude123> I'm now getting complete gibberish.
[19:20] <Upu> but if its 10 meters / 20 meters the latex should end up half way
[19:21] <Upu> Willdude123 switch your terminal to 4800 baud
[19:21] <Willdude123> Upu: Done.
[19:21] <Willdude123> http://pastie.org/7634324
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[19:21] Nick change: cuddykid_ -> cuddykid
[19:21] <S_Mark> Yeah we were defo gunna have the parachute to balloon half the other length - but is 20m the optimum length - or could we have any 1:2 ratio?
[19:21] <Upu> the top Serial.being can be 9600 still
[19:22] <Upu> well any 1:2 but bear in mind the balloon if burst could be 5-7 meters long
[19:22] <Willdude123> Still gibberish.
[19:22] <Upu> if you're lucky you'll just end up with the stump at the end
[19:22] <Upu> switch your terminal back to 9600
[19:22] <Upu> oh
[19:23] <Upu> above GPS.Print
[19:23] <Upu> put GPS.begin(9600);
[19:23] <Upu> you're opening the GPS @ 9600, issuing the command to drop to 4800 then reconnecting at 4800
[19:23] <S_Mark> ah - course the 5-7m balloon remnance
[19:23] <Upu> if you're unlucky
[19:24] <Upu> if you have alot of gas in there you should just end up with the neck left as a slighly wiffy trophey
[19:24] <Willdude123> So what do I set my terminal to?
[19:24] <Willdude123> 4800?
[19:24] <Upu> 9600
[19:24] <Willdude123> Oh Okay.
[19:24] <Upu> the terminal (i.e serial is running at 9600)
[19:24] <Upu> however the connection to the GPS is running at 4800
[19:25] <Willdude123> There.
[19:25] <Upu> what you really need is to output the debugging data via software and have the GPS in the hardware serial
[19:25] <Upu> but you'll need an FTDI board for that
[19:26] <Upu> https://www.sparkfun.com/products/9716
[19:27] <Willdude123> Upu: How do I interpret this: $GPGGA,192645.00,5115.38010,N,00110.24373,W,1,06,1.52,122.6,M,46.8,M,,*45
[19:27] <Willdude123> Oh yeah there's a guide.
[19:27] <Upu> ok go one more step
[19:27] <Upu> read the current byte into a variable
[19:27] <Upu> then print the variable
[19:27] <Willdude123> Okay.
[19:27] <Willdude123> Why?
[19:28] <Upu> because once you have the current character in a variable you can start parsing the string into something useful
[19:28] <Upu> i.e if the char is a comma, the next char might be of interest
[19:28] <Willdude123> Ah so if (GPS.available()){ char s=GPS.read(); Serial.write(s);
[19:28] <Upu> yeah I'd declare char above void setup
[19:29] <Upu> get that working
[19:29] <Upu> then if (char = comma) print to serial "got one!"
[19:30] <Upu> once you can detect commas and end of lines (clue look for *) you can then start to disect the string into something useful
[19:30] <griffonbot> @swinders: RT @daveake: Raspberry Pi space jaunt ends in dramatic mountain rescue http://t.co/nAUqqELuKN via @regvulture #Raspberry_Pi #UKHAS [http://twitter.com/swinders/status/324605784971431937]
[19:30] <Willdude123> Okay. AFK bath.
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[19:32] <Lunar_Lander> S_Mark, and how are preperations running?
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[19:32] <S_Mark> Thanks for the info upu
[19:33] <S_Mark> Lunar_Lander: Good thank you, just working out some of the other stuff now
[19:33] Nick change: S_Mark -> S_Cassie
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[19:33] <Upu> jsut have gaffer tape and tie wraps and a pair of cutters to hand when filling
[19:33] <Upu> and the string
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[19:34] <Upu> i'll sort spacenear.us out shortly
[19:34] <S_Cassie> Hi, yeah just doing our cord maths to make sure we'll have enough!
[19:35] <chrisstubbs> Upu could you please set up the live predictions on the tracker for us before the weekend? :)
[19:36] <Upu> of course
[19:36] <S_Cassie> Us too please :)
[19:36] <Upu> S_Cassie don't forget to practice your knots :)
[19:37] <Upu> if you only learn one, learn the Alpine BUtterfly
[19:37] <Upu> http://ukhas.org.uk/guides:knots
[19:37] <Upu> its not hard to do
[19:39] <S_Cassie> Ah brilliant, thanks. I better start practising!
[19:39] <Upu> I tend to do that at one end of the cord
[19:39] <Upu> then just loop the cord back through the loop to aatached it to stuff like the parachute
[19:41] <Upu> that wind got here fsphil
[19:42] <fsphil> there's more on the way too
[19:42] <Upu> antenna is getting a battering
[19:42] <Lunar_Lander> it was good that Richard is a pathfinder
[19:42] <mfa298> you should stop eating those baked beans :p
[19:42] <Lunar_Lander> so he could do all the balloon cord stuff
[19:42] <Lunar_Lander> :)
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[19:52] <S_Cassie> Cheers Upu, just finished my first Alpine Butterfly Loop. First of many I imagine!
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[19:52] <Upu> indeed :)
[19:53] <Lunar_Lander> cool!
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[20:00] <Upu> 434.633 I suspect your SDR isn't entirely on frequency :)
[20:01] <Maxell> Yeah, use a tool like kalibrate-sdr to check whats the PPM offset :)
[20:01] <S_Cassie> OK will have a look
[20:02] <S_Cassie> It's an NTX2 650
[20:03] <Lunar_Lander> S_Cassie, mine is a 075 and it was a common error to have the radio on 650 in the lab and then wondering why there was nothing at all to receive
[20:03] <Lunar_Lander> :)
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[20:05] <S_Cassie> :)
[20:06] <Lunar_Lander> btw did mark read my experience today?
[20:06] <Lunar_Lander> I like wrote it into the chat when he joined
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[20:07] <Lunar_Lander> almost damaged a brand new GPS
[20:08] <S_Cassie> I dont think he saw that Lunar_Lander - what happened?
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[20:08] <Lunar_Lander> well, I had an atmega328P and one of the chip antenna GPS on my breadboard
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[20:08] <Lunar_Lander> the atmega was basically a arduino uno running at 3.3V without the board
[20:09] <Lunar_Lander> and for powering and serial connection to the PC I have a RS-232 breakout, of which the labelling is on the other side
[20:09] <Lunar_Lander> so I disconnected the GPS to check first if I got the 3.3V pin and not the 5V pin
[20:09] <Lunar_Lander> did that and then plugged in the GPS
[20:09] <Lunar_Lander> sorry
[20:09] <Lunar_Lander> the USB
[20:09] <Lunar_Lander> the RX/TX lights lighted up, it started to smell bad and windows said something about an USB overload
[20:10] <Lunar_Lander> so I looked at my circuit
[20:10] <fsphil> after disconnecting it?
[20:10] <Lunar_Lander> the message about the port came up after pulling the cable
[20:10] <Lunar_Lander> what had happened was that I "parked" the GPS power cables in the same breadboard row, shorting them out
[20:12] <fsphil> could've been worse
[20:12] <S_Cassie> Oh dear!
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[20:13] <Lunar_Lander> yea
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[20:15] <S_Cassie> all ok now ?
[20:15] <Lunar_Lander> yes
[20:15] <Lunar_Lander> I wired it up correctly and then took it outside
[20:15] <Lunar_Lander> got a lock after about 40 seconds
[20:15] <Lunar_Lander> and I was happy
[20:15] <Lunar_Lander> :)
[20:15] <S_Cassie> ag great
[20:15] <S_Cassie> ah
[20:16] <fsphil> shorting the power supply shouldn't harm the gps module, unless you shorted through it
[20:16] <Lunar_Lander> yeah
[20:16] <Lunar_Lander> fsphil, no, I especially disconnected the UART and the power to check for the voltage first
[20:16] <Lunar_Lander> not paying attention while doing that caused that
[20:16] <Lunar_Lander> I almost fried that RS-232 though I think
[20:16] <fsphil> yea I killed the rs232 port in my old laptop
[20:17] <Lunar_Lander> oh
[20:17] <Lunar_Lander> btw this is what I mean https://www.sparkfun.com/products/718
[20:17] <Lunar_Lander> it was the power supply for the board as well as the serial connection
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[20:18] <Lunar_Lander> GPS went to the UART and then I created a software serial to the PC
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[20:26] <Lunar_Lander> yea that was not so good
[20:27] <Lunar_Lander> S_Cassie, I hope your payload didn't suffer such failures :)
[20:28] <jcoxon> evening all
[20:28] <arko> yo
[20:28] <Upu> evening
[20:29] <jonsowman> evening
[20:30] <Lunar_Lander> hello
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[20:30] <mclane> hi
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[20:31] <Lunar_Lander> hi mclane
[20:31] <S_Cassie> Thanks. We managed to snap our GPS last week but hopefully everything will be relatively smooth sailing from now on.
[20:31] <jcoxon> Upu, has ava made it home?
[20:31] <Upu> not yet but on its way it seems :)
[20:31] <Upu> We worked out the HX1 failure
[20:31] <arko> oh?
[20:32] <fsphil> you can't launch it again after this :) gotta keep it as a monument
[20:32] <Upu> closed cell insulating foam had expanded and popped the HX1 board off the bottom board
[20:32] <arko> but if it's launched twice it's worth two times as much HABDollars
[20:32] <jcoxon> Upu, wow
[20:32] <Upu> single board next time
[20:32] <jcoxon> guess thats the end of 2 boards
[20:33] <jcoxon> could that have affected the rfm22b?
[20:33] <Upu> and wouldn't have found that if some super heros hadn't climbed to the top of a hill
[20:33] <Upu> doubt it I thnk that was just being their normal not very good at long duration selves
[20:33] <fsphil> I think the rfm was entirely temperature
[20:33] <Upu> yep
[20:33] <Upu> came back in the morning
[20:34] <Upu> something else was wrong
[20:34] <Upu> as the battery pack was reporting 1.7v when Radim got it
[20:34] <Upu> which means it was about an hour from dying
[20:34] <arko> oh wow
[20:35] <arko> it was 6AA batteries right?
[20:35] <jcoxon> some sort of short?
[20:35] <Upu> 2 in series x 3 in parallel 3.6v
[20:35] <jcoxon> or some device pulling too much
[20:35] <Upu> 3 pairs in series
[20:35] <Upu> yeah
[20:35] <Upu> not sure what
[20:36] <jcoxon> was the count in keeping with the flight?
[20:36] <Upu> yes hadn't reset
[20:36] <fsphil> how difficult would it be to put a current sensor in there? a very small resistor might do
[20:37] <Upu> possibly
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[20:37] <fsphil> you'd loose battery life though
[20:37] <Upu> well not so much of an issue
[20:37] <Upu> in this payload
[20:37] <fsphil> true
[20:38] <Wolfy-K4GHL> T-24 min to ANTARES launch if any yall interested.. http://www.nasa.gov/multimedia/nasatv/index.html
[20:38] <Lunar_Lander> S_Cassie, what did happen to the GPS?
[20:38] <Lunar_Lander> Wolfy-K4GHL, yeah :)
[20:38] <Wolfy-K4GHL> :)
[20:38] <fsphil> T-24 minutes until I walk the dog :)
[20:38] <S_Cassie> Upu kindly repaired it for us a bit quick
[20:39] <Upu> haha same here
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[20:39] <fsphil> I say walk, it's really windy outside so it might be more a let-out-the-back
[20:39] <Upu> I am considering replacing the RFM22B with a LMT2 jcoxon
[20:39] <Upu> its not going to be very foil friendly
[20:40] <jcoxon> nah i think with foils we'll still have to run the risk
[20:40] <fsphil> foils won't get as cold
[20:40] <Lunar_Lander> S_Cassie, yeah Upu has awesome customer support
[20:40] <Wolfy-K4GHL> its all you guys fault... if yall hadnt launched them balloons and someone hadnt put it on QRZ ...etc etc etc :D ROFL
[20:40] <Lunar_Lander> XD
[20:40] <fsphil> Wolfy-K4GHL: we like rockets here too :)
[20:40] <Wolfy-K4GHL> oh gawd
[20:41] <fsphil> they certainly qualify as #highaltitude
[20:41] <Wolfy-K4GHL> now i really will be broke
[20:41] <Wolfy-K4GHL> :D
[20:41] <S_Cassie> I'm off now guys, bye for now!
[20:41] <eroomde> i am a rocket fan Wolfy-K4GHL
[20:41] <fsphil> and there's more than a few regulars who do rockets
[20:41] <fsphil> water rockets are as far as I go :)
[20:41] <Lunar_Lander> :)
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[20:41] <Wolfy-K4GHL> I been a space cadet for decades... 7th grade did a killer report on Apollo 13 ...
[20:42] <Wolfy-K4GHL> and I remember watching Armstrong walk on the moon live :)
[20:42] <Lunar_Lander> cool!
[20:42] <fsphil> nice
[20:42] <Wolfy-K4GHL> one of my earlist memories... was just over 3 years old
[20:42] <Wolfy-K4GHL> oh oh oh they talking about the phone sats on nasa tv
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[20:43] <Wolfy-K4GHL> anything that goes BOOM intriques me
[20:43] <eroomde> i'm a more recent space cadet
[20:43] <eroomde> but keen
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[20:43] <fsphil> controlled boom
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[20:44] <LokisSword> evening :)
[20:44] Action: fsphil waves
[20:44] <Lunar_Lander> awesome those Phone Sats
[20:45] <eroomde> antares in 15 mins right?
[20:45] <Wolfy-K4GHL> afirm
[20:45] <fsphil> anyone got a vlc friendly url for nasa tv?
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[20:46] <Wolfy-K4GHL> hehe whats vlc?
[20:46] <fsphil> media player
[20:46] <Lunar_Lander> yea
[20:46] <Wolfy-K4GHL> html or flash?
[20:46] <eroomde> my friend and former CUSFer henry's sat is on it
[20:46] <eroomde> Dove-1
[20:46] <fsphil> neither, vlc is a program
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[20:47] <Wolfy-K4GHL> you guys REALLY need to contact nasa about putting up one of the Pi boards....
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[20:47] <Wolfy-K4GHL> the antenna on one of the sats is a frickin tape measure
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[20:48] <jcoxon> eroomde, henry hallam?
[20:48] <eroomde> yus
[20:48] <arko> woah
[20:48] <arko> abort
[20:48] <Lunar_Lander> yeah Abort
[20:48] <eroomde> the ta; meausres work well!
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[20:48] <eroomde> classic deployable structures
[20:48] <eroomde> arko: where are you getting this info?
[20:48] <arko> premature umbilical
[20:48] <jcoxon> eroomde, what does Dove-1 work?
[20:49] <eroomde> ?
[20:49] <arko> eroomde: http://www.nasa.gov/multimedia/nasatv/index.html
[20:49] <jcoxon> i mean do
[20:49] <eroomde> tech demo for their company
[20:49] <eroomde> cosmogia
[20:49] <eroomde> i think i'm covered by nda from talking more :)
[20:49] <jcoxon> no ntx2 then?
[20:49] <jcoxon> fair enough
[20:49] <Wolfy-K4GHL> there is a link for ustream and iOS and flash for android... they dont do Quicktime or Win media proprietary formats anymore
[20:49] <fsphil> hah
[20:50] <arko> good riddance to quicktime and win media
[20:50] <LokisSword> darn umbilicals
[20:51] <Wolfy-K4GHL> What would yall say is the cost for the payloads yall launch on the balloons?
[20:51] <eroomde> i think he thought it was going to explode anyway
[20:51] <eroomde> Wolfy-K4GHL: maybe $150 for a custom pcb and all the parts to make a tracker?
[20:52] <eroomde> Canon A560 are about $50 second hand on ebay
[20:53] <jcoxon> it gets cheaper the more you do it...
[20:53] <Wolfy-K4GHL> GRRRR
[20:53] <Wolfy-K4GHL> they aborted the launch
[20:53] <arko> shame
[20:53] <Wolfy-K4GHL> umbilical pulled out too soon... ROFL
[20:54] <Wolfy-K4GHL> is there a feasible way to put 6 cams onboard, as well as say 3 transmitters on diff bands ?
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[20:56] <fsphil> I'd suggest starting small
[20:56] <arko> man what a pain of a prodecure
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[20:57] <Lunar_Lander> arko, remember baumgartner?
[20:57] <arko> bah
[20:57] <Lunar_Lander> he also had 30 steps until jump
[20:57] <Upu> ping Arko
[20:57] <arko> yeah, but that was a joke compared to this
[20:57] <Upu> Europ !
[20:57] <arko> Upu sup
[20:57] <arko> yes!
[20:57] <Upu> when doo ?
[20:57] <fsphil> bumgarden
[20:57] <jonsowman> *bumgardener
[20:58] <arko> Upu: last week of August or first week of September
[20:58] <arko> which works best?
[20:58] <jonsowman> august
[20:58] <jonsowman> ;)
[20:59] <jonsowman> svp
[20:59] <jonsowman> before 4th sept anyway
[20:59] <arko> ahh
[20:59] <arko> school right?
[20:59] <jonsowman> holiday in Croatia
[20:59] <jonsowman> haha
[20:59] <arko> bah!
[20:59] <jonsowman> lol
[20:59] <jonsowman> :D
[20:59] <arko> fair enough
[20:59] <arko> either is fine with me
[20:59] <jonsowman> no I'm kidding, I don't expect you to rearrange on my account
[20:59] <Upu> will come back to you
[21:00] <Upu> ta
[21:00] <jonsowman> i'd like to make it to the conf though
[21:00] <arko> Upu: im going to buy tickets as soon as my passport clears
[21:00] <arko> cool, i'll stand by
[21:00] <arko> check with others, im fairly flexible
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[21:01] <number10> I would like to go conf. last week in aug looks good
[21:02] <jonsowman> last week in aug is good :)
[21:02] <jonsowman> have you been to one yet number10?
[21:02] <number10> not yet
[21:02] <mattbrejza> gonna need more than 50 spots this year
[21:02] <jonsowman> ah you're missing out
[21:02] <jonsowman> the food was good last year
[21:02] <jonsowman> </student>
[21:02] <arko> mmmm fooood
[21:03] <number10> what about the talks jonsowman
[21:04] <DrLuke> #disappointment
[21:04] <jonsowman> oh yes those were good too
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[21:05] <number10> good food, good presentations and a good bunch of people.. something to look forward to
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[21:07] <LokisSword> sorry to stick my nose in but what are we talking about gents?
[21:07] <number10> ukhas conference
[21:07] <Upu> UKHAS Conference
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[21:08] <Upu> http://ukhas.org.uk/general:ukhasconference2012
[21:08] <Upu> We are starting to organise this years
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[21:08] <Upu> all welcome
[21:08] <jonsowman> silly zeusbot
[21:08] <mattbrejza> shotgun a spot :P
[21:08] <LokisSword> ah ha, sounds interesting
[21:09] <Upu> can't promise a badge board this year though sorry !
[21:09] <jonsowman> you've got to 1up the badges Upu
[21:09] <Upu> open to suggestions :)
[21:09] <jonsowman> gold brooches?
[21:09] <arko> picohab board!
[21:09] <Upu> http://ukhas.org.uk/_detail/general:img_0970.jpg?id=general%3Aukhasbadgeboard
[21:09] <nigelvh> Free helium!
[21:09] <Upu> pico badge lol
[21:10] <jonsowman> are you going to do a talk arko?
[21:10] <arko> yes
[21:10] <mattbrejza> anything that has enough space to write your name on it isnt really a pico
[21:10] <jonsowman> :D
[21:10] <jonsowman> be quiet mattbrejza
[21:10] <arko> :)
[21:10] <Upu> what Matt said :)
[21:10] <Upu> afk dog walk
[21:11] <jonsowman> let's not have another "mine's smaller than yours" competition
[21:11] <jonsowman> to coin a phrase
[21:11] <mattbrejza> well why would we when ive already won?
[21:11] <jonsowman> we know mattbrejza always wins
[21:11] <jonsowman> his pico is tiny as well
[21:11] <jonsowman> har har
[21:11] <jonsowman> maybe I should go back to work...
[21:12] <arko> Upu wow
[21:12] <arko> damn it, i can't believe i missed last year
[21:12] <arko> %@#%@#^
[21:12] <jonsowman> do you want a badge?
[21:13] <jonsowman> there must be some left over
[21:13] <arko> well yeah why not
[21:13] <arko> im designing one thats practically the same design
[21:13] <arko> except for aprs
[21:13] <jonsowman> http://ukhas.org.uk/general:ukhasbadgeboard
[21:14] <jonsowman> schematic and eagle files on there
[21:14] <jonsowman> if that helps
[21:14] <arko> nice!
[21:14] <arko> did anyone launch their badge?
[21:14] <jonsowman> not sure actualyl
[21:14] <jonsowman> a number of people got them doing things at the conf
[21:14] <jonsowman> james and his little blinking led
[21:15] <arko> nice!
[21:15] <arko> not sure what we are doing for layerone this year
[21:15] <arko> http://www.layerone.org/events/hardware-hacking-village/
[21:15] <arko> badges are usually really fun
[21:16] <arko> each year we hand place parts too
[21:16] <jonsowman> PoV is so cool
[21:16] <fsphil> mine is still hanging up on the end of the shelf
[21:16] <arko> haha
[21:16] <fsphil> maybe I'll finish it for the next conf
[21:16] <arko> man, i might get one of these made just to launch when im there :P
[21:16] <arko> CON-O-GEDDON
[21:16] <fsphil> yea we gotta do a launch this time
[21:16] <arko> :P
[21:16] <arko> seriously!
[21:16] <jonsowman> cusf site is always open
[21:17] <arko> im doing one right after my talk at Layerone this year
[21:17] <arko> in a month
[21:17] <fsphil> talk on sat, launch on sun
[21:17] <arko> woot!
[21:17] <fsphil> make it a floater cause if we have a big group we can't all go chasing :)
[21:17] <arko> true
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[21:17] <arko> plus i will likely be thinking about drinking
[21:18] <fsphil> just thinking?
[21:18] <jonsowman> s/thinking about//
[21:18] <arko> doing
[21:18] <arko> exactly
[21:18] <jonsowman> many good pubs in london
[21:18] <arko> i look forward to them all
[21:21] <eroomde> http://www.hecklerspray.com/wp-content/uploads/2007/08/marilyn-manson.jpg
[21:21] <eroomde> heh
[21:25] <arko> is that him without makeup?
[21:27] <Willdude123> Hi guys.
[21:27] <eroomde> arko: yes
[21:28] <arko> wow
[21:28] <arko> thats crazy, i've never seen this
[21:28] <arko> i use to be afraid of him as a kid, now i kinda like him
[21:28] <arko> seems like a nice guy
[21:28] <Willdude123> Sup eroomde?
[21:30] <Upu> long bath Will
[21:31] <Willdude123> Yep.
[21:31] <Willdude123> I'm sorry but I do have a life. :-)
[21:31] <Upu> hah
[21:31] <Willdude123> No offence intended.
[21:31] <LokisSword> the sample rtty audio on this page http://ukhas.org.uk/guides:tracking_guide - is it rtty50? I'm trying to decode using the "playback" mode in dl-fldigi but getting no luck
[21:32] <Upu> 50 baud probably 8 bit
[21:33] <LokisSword> Ta :) sorted
[21:34] <fsphil> the sweet sound of rtty
[21:34] <arko> haha
[21:35] <arko> it haunts me at night :(
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[21:35] <fsphil> visited by payloads of launches past?
[21:35] <LokisSword> I hope the launches this weekend go ahead, forest of dean one looks like it might be in range for me to try out the new receiver
[21:37] <fsphil> if you have a mostly flat horizon you should hear most uk launches
[21:37] <Willdude123> Whay launches are at the weekend?
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[21:38] <arko> fsphil: debug nightmares
[21:38] <arko> blblblblblblbbblblblllbblblb
[21:38] <LokisSword> fsphil: hmm, with my aerial and the sdr only I couldn't hear a thing!
[21:38] <Upu> yeah a number Willdude123
[21:38] <beye> are there any east coast US groups that are active like ukhas?
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[21:39] <Upu> US groups tend to keep them selves to themselves sort of
[21:39] <Upu> try the GPSL Yahoo mailing list
[21:39] <LokisSword> not sure I'll get around to soldering a diapole together in time, so still stuck with http://www.moonraker.eu/Scanning-Receiving-and-Avionics/Mobile-Scanner-Antennas/SKYSCAN-MOBILE-SCANNER-ANTENNA
[21:39] <Upu> and arhab.org
[21:39] <beye> thanks
[21:40] <Upu> though quite a few hang out here
[21:40] Action: Upu points at arko KF7FER KT5TK etc
[21:41] <arko> beye where you from?
[21:41] <griffonbot> Received email: PhilipM "Re: [UKHAS] Tools for Prototyping"
[21:42] <beye> right now I'm in north carolina
[21:42] <arko> oh cool
[21:42] <arko> im in los angeles
[21:43] <Upu> Bill Brown launches from Arkansas
[21:43] <Upu> and I think Dan Bowen is somewhere closer to East than west
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[21:43] <Upu> I know Arkansas might as well be the UK for the distances :)
[21:43] <Upu> well one state away
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[21:44] <beye> oh I see arhab.org has some nice stuff...
[21:44] <Upu> check out http://ukhas.org.uk as well
[21:45] <beye> so both will potentially list US launches?
[21:45] <Upu> I would say the data on UKHAS is probably more upto date but its all good
[21:45] <Upu> arhab for US launches, sometimes UK launches get on ARHAB too
[21:45] <Upu> we don't always remember to post them there
[21:46] <fsphil> yea there's some overlap
[21:46] <Upu> unless we are going for altitude records :)
[21:46] <beye> got it. thanks
[21:46] <arko> it's a shame no one is out in LA
[21:47] <Willdude123> I meant to type what launches ar at the weekend upu.
[21:48] <Upu> Two on Sat
[21:48] <Upu> one on Sun
[21:48] <Willdude123> Sorry, I have a bery vad virtual kyboard.
[21:48] <fsphil> the 21mhz launch is this weekend I think
[21:48] <Upu> whos is that ?
[21:48] <Willdude123> 21mhz ooh.
[21:48] <fsphil> can't remember now, checking
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[21:50] <fsphil> oh wait it's the end of may
[21:50] <fsphil> SP9UOB_Tom's
[21:52] <fsphil> 1 watt, there's a chance it might be heard in the uk or further
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[22:01] <cuddykid> the pi takes forever to boot up
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[22:02] <fsphil> how long?
[22:02] <fsphil> I don't remember mine being that slow
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[22:07] <griffonbot> Received email: Adam Cudworth "[UKHAS] Launch Permission In US, Canada, Greenland & Norway"
[22:07] <cuddykid> fsphil: takes a good few minutes for ssh server to boot up
[22:09] <fsphil> odd
[22:09] <fsphil> raspbian?
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[22:10] <cuddykid> yep
[22:11] <cuddykid> afk
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[22:26] <griffonbot> Received email: Nigel Vander Houwen "Re: [UKHAS] Launch Permission In US, Canada, Greenland & Norway"
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[22:30] <griffonbot> Received email: Nigel Vander Houwen "Re: [UKHAS] Launch Permission In US, Canada, Greenland & Norway"
[22:30] <Willdude123> Which arduinos are used in hab flights?
[22:30] <Willdude123> There are a lot of dsmall ones.
[22:31] <daveake> Mini Pro 3.3V FTW
[22:32] <Willdude123> What about the nano?
[22:34] <nigelvh> Sure.
[22:34] <mattbrejza> just get the bare AVR IC
[22:34] <nigelvh> Any of them could serve a useful purpose.
[22:35] <daveake> However given previous exchanges with Willdude123 I suspect that his parents have already banned the use of a soldering iron based on the high risk of a house-destroying fire
[22:35] <mattbrejza> wirewarp
[22:35] <mattbrejza> wrap
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[22:35] <daveake> :)
[22:36] <daveake> paranoid and protecive are 2 words that come to mind
[22:36] <Willdude123> daveake: Sarcasm?
[22:36] <daveake> I do that yes
[22:36] <daveake> :)
[22:36] <Willdude123> They'd probably want my granddad to do it with/for me.
[22:36] <mattbrejza> use a magnifing glass on a bright day to solder if youre not allowed an iron
[22:37] <daveake> He may need steady hands
[22:37] <mattbrejza> or over the hob
[22:37] <Willdude123> lol.
[22:37] <mattbrejza> itll make the iron look like a relativly safe alternative
[22:37] <daveake> lol
[22:37] <daveake> I remember not being allowed one when I was 9
[22:37] <Willdude123> daveake: There is slight irony in the fact that he has Parkinson's.
[22:37] <daveake> ah well forget I said that then
[22:38] <Willdude123> lol.
[22:38] <daveake> Perhaps avoid the bare SMD chip option
[22:38] <mfa298> Willdude123: reading a bit of the scrollback you ought to get on the mailing list and/or add the calendar feed to google/outlook then you'll know what launches are happening and have all the details
[22:38] <Willdude123> Okay.
[22:39] <daveake> Anyhoo I like the mini pro 3V3 ... no need for level shifting; weighs bugger-all; nice and small
[22:39] <daveake> well "small" is "enormous" compared to mattbrejza's tracker
[22:40] <mattbrejza> tbh your pico made from a mini was still pretty small
[22:40] <daveake> but compared to the rest of the tracker it's still small
[22:40] <daveake> small enough I feel :)
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[22:41] <daveake> certainly small compared to previous trackers at the time; just usurped somewhat at the conf :)
[22:41] <Willdude123> The mini pro can do 3.3 and 5v, can't it?
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[22:41] <mattbrejza> so now pico is done, need to move onto something else
[22:42] <daveake> The 3V3 one accepts and uses 3V3 logic. The 5V one ... well you do the maths
[22:43] <daveake> Since all the other devices you want to connect to are likely to be 3V3, the choice should be clear
[22:43] <WilldudeTablet> One of them does both I think.
[22:43] <daveake> Don't mix iif you can help it
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[22:45] <fsphil> he mixed
[22:46] <daveake> I told him not to cross the streams
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[23:01] <Wolfy-K4GHL> Hey Willdude123 do I understand from scrolling back that you are prone to starting fires?
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[00:00] --- Thu Apr 18 2013