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[00:30] <griffonbot> Received email: david balfour "Re: [UKHAS] Polystyrene foam thickness survey."
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[02:32] <eroomde> anyone about?
[02:32] <jarod> sure
[02:33] <eroomde> yo
[02:33] <eroomde> much new?
[02:34] <jarod> on? :P
[02:34] <eroomde> topical things
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[02:35] <jarod> not really, hoping to get home made lna this week, 20-30db gain on rtlsdr :)
[02:36] <eroomde> nice
[02:36] <eroomde> what freq?
[02:36] <jarod> first 0-2000
[02:37] <eroomde> salot
[02:49] <SpeedEvil> snow...
[02:49] <jarod> 1621 khz stream :D
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[03:38] Nick change: heathkid|2 -> heathkid
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[03:53] eroomde (~ed@kraken.habhub.org) got netsplit.
[04:04] eroomde (~ed@kraken.habhub.org) got lost in the net-split.
[04:06] <arko> yo eroomde
[04:06] <arko> how's it in the bay area?
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[04:15] <nigelvh> arko, it appears a netsplit disconnected eroomde
[04:15] <arko> he is forever lost at sea
[04:15] <nigelvh> What a sad state of affairs.
[04:17] <nigelvh> How are things for YOU down there?
[04:18] <arko> im good, just had some innout
[04:18] <arko> working on a lab report for school
[04:18] <arko> then gonna play video games for the first time in years
[04:19] <arko> Kerbal Space Program is so much fun
[04:19] <arko> you build rockets and all that fun stuff
[04:19] <arko> it's actually difficult
[04:19] <nigelvh> I tried it a while ago, but it was still REALLY beta and sorta barely worked.
[04:20] <arko> yeah
[04:20] <arko> it has it's ups and downs
[04:20] <arko> but it's very much improved
[04:20] <arko> ah it looks like there is an eroomde_ in the room though
[04:21] <arko> it could be bizzaro eroomde
[04:21] <nigelvh> Evil twin eroomde
[04:21] <arko> :O
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[04:23] <arko> im listening to the music of your people nigelvh
[04:23] <arko> nirvana
[04:23] <arko> some of that good 90's seattle music
[04:26] <nigelvh> I actually tend to listen to Country as I'm not orginally from Seattle, but I appreciate the sentiment.
[04:27] <arko> :P
[04:30] <arko> joking aside, how you doing up there?
[04:32] <nigelvh> Doing pretty well. A number of the hams up here are playing with Mesh Networking, so I'm playing with that this evening. Interesting stuff.
[04:32] <eroomde_> arko: no doug
[04:33] <arko> no doug?
[04:33] <eroomde_> has to fly to the uk at the weekend for the week
[04:33] <arko> noO!!
[04:33] <arko> lame
[04:34] <arko> nigelvh: xbee? sdr?
[04:34] <nigelvh> Wifi
[04:34] <arko> eroomde_: wanted to meet him more formally
[04:34] <nigelvh> They're modding WRT54G routers
[04:35] <arko> dang it
[04:35] <arko> sorry i keep dropping out for some reason
[04:35] <arko> irc is funky tonight huh
[04:36] <nigelvh> Seems to work alright for me.
[04:36] <arko> nigelvh: ddwrt?
[04:36] <nigelvh> They're using openwrt, but same idea
[04:36] <arko> ah
[04:36] <arko> cool
[04:36] <arko> fun stuff
[04:36] <arko> eroomde_: any idea when you get here monday?
[04:37] <nigelvh> The goal is to cover the seattle area in the mesh network
[04:37] <arko> :)
[04:37] <arko> dont like this internet? make your own internet!
[04:37] <arko> i dig it
[04:38] <nigelvh> Mostly more like "If disaster happens, internet breaks, we have alternate digital communications"
[04:38] <arko> heh
[04:38] <arko> sup irc as a proof of concept
[04:39] <nigelvh> That's something I plan on
[04:39] <nigelvh> also the Asterisk VoIP system is something I'll work on too.
[04:40] <eroomde_> arko: not yet
[04:40] <eroomde_> depends on mojave
[04:40] <arko> dang it dropped again
[04:41] <arko> wonder whats going on
[04:41] <arko> eroomde_: cool, just trying to plan our when to leave work and bar stuff
[04:41] <eroomde_> waiting on hearing back from masten
[04:41] <eroomde_> but i would guess we'd be arriving sort of mid afternoon
[04:42] Nick change: eroomde_ -> eroomde
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[04:43] <arko_> hah!
[04:43] <arko> arko_ is me
[04:43] <nigelvh> No way
[04:43] <arko_> decided to use this since my bouncer keeps dropping
[04:43] <arko_> :P
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[04:44] <eroomde> have a convo with yourself
[04:44] <eroomde> meta for posterity
[04:44] <arko_> arko: sup bra
[04:44] Nick change: nigelvh -> totally_arko
[04:44] <totally_arko> nm bra
[04:44] <arko> Hello arko_, very nice to talk to you
[04:44] <arko_> three of me!
[04:44] <arko_> how cool am i now!?
[04:44] <arko> i totally believe it
[04:45] <arko> hey remember that time we did that thing?
[04:45] <totally_arko> 1/n cools
[04:45] <arko_> of course
[04:45] <arko_> that was awesome
[04:45] <arko> word
[04:45] <totally_arko> Except for the stuff at the place
[04:45] <arko_> oh we dont talk about that
[04:45] <arko> oh right of course
[04:45] <arko_> it's cool, just dont let it happen again
[04:45] <totally_arko> Still can't believe we did that... Not a cool move
[04:45] <arko> np
[04:46] <arko> yeah that was a bad idea
[04:46] <arko_> at least we got that copper tubing and that zebra back
[04:46] <arko> oh yeah, thank heavens
[04:46] <totally_arko> Only to be arrested for riding the zebra through town later.
[04:46] <arko_> wouldn't have done it any other way
[04:47] <arko> wise words
[04:47] <eroomde> i shall typeset that up in latex
[04:47] <eroomde> and frame it
[04:47] Nick change: totally_arko -> nigelvh
[04:48] <arko_> hang it next to your "home sweet home" frame
[04:48] <nigelvh> Good plan. Learn from arko's mistakes
[04:48] <arko_> haha
[04:48] <arko_> eroomde: cool, i get off around around 5:30 or so, i'll pick my gf then you and we can hit the "pub"
[04:49] <arko> hey i haven't died yet
[04:49] <arko_> shut up arko
[04:49] <arko_> the grown ups are talking
[04:49] <nigelvh> Shut up the both of you. Do I need to pull this internet over?!
[04:50] <arko_> hmm
[04:50] <arko_> interesting
[04:50] <arko_> i didnt get the "<nigelvh> [20:49:53] Shut up the both of you. Do I need to pull this internet over?!" in this box
[04:51] <nigelvh> That sounds like your problem.
[04:51] <arko_> yeah
[04:51] <arko_> meh
[04:51] <nigelvh> Perhaps you shouldn't break your internet.
[04:52] <arko_> i really shouldnt
[04:52] <arko_> i should get back to my lab
[04:52] <arko_> eroomde: shoot me details, we can figure out what to do, you tell me what you want to do, I'll drive
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[04:53] <arko> ahh
[04:53] <arko> found a cat6 cable
[04:54] <arko> perhaps it's my wifi since my bouncer isn't the one actually dropping
[04:54] <nigelvh> Wifi tends to be less than enterprise grade.
[04:55] <arko_> hmm
[04:55] <arko_> still happening
[04:55] <arko_> must be the bouncer
[04:55] <arko_> i didnt think it would be the internet here
[04:55] <arko_> it's business internet
[04:55] <arko_> and a Ruckus wifi router
[04:55] <arko_> which is fairly enterprise grade :P
[04:56] <nigelvh> Doesn't matter, it's wireless.
[04:56] <arko_> yeah
[04:56] <arko_> not shiny cat6
[04:56] <nigelvh> It's not a replacement for a cable
[04:56] <arko_> right
[04:56] <nigelvh> As for your irc, that's another issue.
[04:56] <arko_> i really should be doing my lab anyway
[04:57] Action: arko_ puts his head down and continues his lab
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[05:19] <arko> quitter
[05:24] <arko> eroomde: played Kerbal Space Program?
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[05:35] <eroomde> arko: no
[05:35] <eroomde> you're not the first to ask either...
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[05:38] <Darkside> lol
[05:38] <Darkside> i've had a lot of people tell me to play that
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[05:41] <arko> i have too
[05:41] <arko> and yesterday i decided to play it
[05:41] <arko> it's actually cool
[05:42] <arko> you dont just build stuff and it works, you have to plan it out and such
[05:42] <arko> anyway
[05:42] <arko> it's the first video game i've played in forever
[05:43] <arko> eroomde: any interesting things in the bay area?
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[05:47] <eroomde> arko: lots!
[05:48] <arko> :)
[05:49] <arko> visit the bridge yet?
[05:49] <eroomde> mostly relating to food and people
[05:49] <eroomde> i was gonna walk it tomorrow
[05:49] <arko> nice
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[05:49] <eroomde> and visit alcatraz
[05:49] <arko> hah!
[05:49] <eroomde> a north of the city day
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[05:51] <arko> downtown SF is nice
[05:51] <arko> people are nice usually
[05:51] <arko> nicer than most of the people you would meet in Oakland :P
[05:51] <eroomde> yes, i have experienced oakland a couple of times
[05:51] <eroomde> v different place...
[05:51] <arko> haha
[05:51] <arko> yeah...
[05:51] <eroomde> there is a lot of crazy in sf though
[05:52] <arko> yep
[05:52] <eroomde> crackheads screaming at lamposts and so on
[05:52] <arko> homeless are very mean too
[05:52] <arko> oh man thats normal
[05:52] <arko> welcome!
[05:52] <arko> :P
[05:52] <eroomde> not in the uk!
[05:52] <eroomde> i was walking around chinatown today
[05:53] <eroomde> found some little municipal sqaure of maybe 400 chinamen, all in huddles of 5/6/7 playing cards
[05:53] <eroomde> wad the only white person there
[05:53] <eroomde> for the first time here though, got the feeling i wasn't very welcome to mill around there
[05:54] <eroomde> but chinatown generally is fun, in a chaotic sort of way
[05:54] <arko> hahahaha
[05:54] <eroomde> put a couple of pics up, though have quite a lot to sort through properly at some point
[05:54] <eroomde> http://www.flickr.com/photos/eroomde/
[05:54] <arko> just dont get stabbed buddy
[05:55] <Darkside> hmm
[05:55] <arko> wow very nice
[05:55] <Darkside> any easy way to do something like a timer interrupt in python?
[05:55] <arko> settimer() ?
[05:56] <Darkside> hrm
[05:56] <arko> http://docs.python.org/2/library/signal.html
[05:56] <Darkside> i want to call a function at regular intervals
[05:56] <Darkside> like, every second
[05:57] <Darkside> in my case, i want to poll fldigi for a signal quality value
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[06:03] <Darkside> fldigis xmlrpc interface is really cool
[06:03] <Darkside> i can completely control it via it
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[06:25] <arko> ping
[06:26] <Darkside> ACK
[06:26] <nigelvh> NACK
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[06:59] <Maxell> SYN
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[07:10] <costyn> FIN
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[07:16] <Maxell> I would tell some UDP jokes too but I never know if anyone gets them.
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[07:30] <arko> http://www.youtube.com/watch?v=zHmsRz3epeg
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[08:00] <X-Scale> http://www.theregister.co.uk/2013/02/04/hello_kitty_flight/
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[08:05] <Maxell> "12:49 < fsphil> http://www.theregister.co.uk/2013/02/04/hello_kitty_flight/"
[08:05] <Maxell> yesterday ;)
[08:06] <Maxell> It's epic, so I approve this repost
[08:10] <X-Scale> heh...thanks
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[09:37] <Darkside> cool
[09:37] <Darkside> i have dynamic plotting working
[09:38] <Darkside> using pylab
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[10:02] <Cadair> Darkside, python pylab?
[10:02] Action: Cadair *shudders* pylab namespace is evil. :p
[10:03] Action: Cadair is sorry for getting all opinionated.
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[10:05] <Darkside> hehe
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[10:07] <Cadair> What you doing with it?
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[10:12] <Darkside> Cadair: plotting signal quality information from fldigi
[10:12] <Darkside> in an extremely hackish way
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[10:19] <Cadair> Can I have a looksy at the codes?
[10:19] <Cadair> What is the output in?
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[10:20] <Cadair> ^What format is the output in?
[10:21] <Darkside> hold on
[10:21] <Darkside> https://github.com/darksidelemm/hf-channel-tools/blob/master/fldigi_quality_plot.py
[10:22] <Darkside> note: that script will peg your cpu
[10:22] <Darkside> as it just graphs as fast as it can
[10:23] <Darkside> so if you load up fldigi and get it demodulating something, that code will show th signal quality in a scrolling plot
[10:23] <Cadair> eek.
[10:23] <Darkside> what i need to do next is work out a way to make it collect data at a regular rate
[10:24] <Darkside> i guess it should really be a separate thread or something
[10:24] <Darkside> but it was a quick hack to see some data over time
[10:28] <Cadair> I can't actually test this as I dont have fldigi
[10:29] <Cadair> https://github.com/Cadair/hf-channel-tools/blob/master/fldigi_quality_plot.py
[10:29] <Darkside> k
[10:29] <Darkside> will tst
[10:30] <Darkside> yeah, that oesnt update
[10:30] <Darkside> doesn't
[10:30] <Cadair> I removed the whole axis redraw so it should be faster. hmmm
[10:31] <Cadair> hang on
[10:32] <Cadair> Your text editor appears to be putting in a tab for indent instead of 4 spaces
[10:32] <Darkside> um
[10:32] <Darkside> yes
[10:32] <Cadair> this just confused me lol
[10:32] <Darkside> whoops
[10:33] <Darkside> convert it to spaces
[10:33] <Darkside> now to figure out what the hell my editor is doing
[10:34] <Cadair> Do you get a figure at all when you run this?!
[10:35] <Darkside> yeah
[10:35] <Cadair> i don't!!
[10:36] <fsphil> interesting, I prefer a tab to spaces
[10:36] <zyp> tabs vs spaces is one of those holy wars
[10:36] <Cadair> PEP8 says spaces.... all hail PEP 8 :S
[10:36] <fsphil> lol
[10:36] <Darkside> http://i.imgur.com/8b21VcO.png
[10:37] <Cadair> I get a static plot if I take out the while loop
[10:37] <Cadair> I have an idea
[10:37] <Cadair> wait for it...
[10:37] <Darkside> start up fldigi?
[10:37] <Darkside> and let it plot zeroes?
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[10:38] <Cadair> What size array is current_quality normally?
[10:38] <zyp> Cadair, but PEP 8 is the style guide for the code in the python standard library, not something you have to follow for your own projects
[10:38] <Darkside> Cadair: current_quality is an integer
[10:39] <Darkside> you could test it bu just making current_quality increment on each while loop
[10:39] <Darkside> that way you don't need fldigi
[10:40] <Darkside> what i haven't tested is how long the xmlrpc call takes to execute
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[10:47] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Polystyrene foam thickness survey."
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[10:50] <Darkside> Cadair: if you get it working faster, submit a pull request :-)
[10:50] <Darkside> it'll be my first
[10:50] <Darkside> i'm very very new to git
[10:50] <Cadair> BOOM!
[10:51] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[10:52] <Darkside> boom?
[10:52] <Cadair> https://github.com/Cadair/hf-channel-tools/blob/master/fldigi_quality_plot.py
[10:52] <Cadair> Using the new matplotlib animation toolkit
[10:53] <Darkside> ooh
[10:53] <Cadair> It will sample the data at whatever rate you set interval=200 to, (in ms)
[10:53] <Darkside> awwwww man
[10:54] <Darkside> AWESOME
[10:54] <Darkside> :-)
[10:54] <Darkside> just be aware that i did fix the axes for a reason
[10:54] <Cadair> I spend a lot of my time using python.
[10:55] <Cadair> Oh yeah, I set it like that because I was using random numbers between 0 and 1000
[10:55] <Cadair> as my data
[10:55] <Cadair> you can just fix it, if you are going to fix them. move it outside the function
[10:55] <Cadair> so do it at the begging
[10:57] <Darkside> k
[10:57] <Cadair> well that was a fun was to burn 40 mins!!
[10:57] <Darkside> :D
[10:57] <Darkside> thanks :D
[10:57] <Cadair> np
[10:57] <Cadair> i have a weakness for python coding problems...
[10:58] <Cadair> zyp, That is true. But i like all my code to be the same. Makes it easier to read.
[10:59] <Cadair> Darkside, What is this for anyway?
[11:00] <Darkside> testing some hf channel simulation software
[11:00] <fsphil> one of the people I work with uses random indentation, if any at all
[11:00] <fsphil> it's horrible
[11:00] <Cadair> fsphil, Punishable by death imo :p
[11:00] <Darkside> i want to look at the SNR over time
[11:00] <Darkside> and the quality output is effectively a filtered and normalised SNR value
[11:00] <Cadair> Fair enough.
[11:01] <Darkside> i wanted this so i could get an idea of whats going on
[11:01] <Cadair> Radio is something I know little about.
[11:01] <Cadair> The animation toolkit is pretty good
[11:01] <Darkside> i'll dump the recorded data to a file too, so i can do plots over time
[11:01] <Darkside> yeah, it looks good
[11:01] <Darkside> i'll be using it in the future
[11:01] <Darkside> the simulator is quite a bit of fun actually
[11:01] <Darkside> i've been writing it for my PhD
[11:01] <Darkside> all in matlab and simulink tho >_>
[11:02] <Cadair> If you ever want to do really fancy things, like update on a new data ping, you can subclass Animation and add a new event_source
[11:02] <Darkside> my next step is to run some data modems through it, so i'm starting to write stuff to automate fldigi
[11:02] <Darkside> the same automation will be useful for some experiments i'm getting set up too - propagation monitoring
[11:03] <Cadair> cool.
[11:03] <Cadair> I was looking a SDR eariler, with a DVB tuner. Think it would be fun to code my own SDR in python... :p
[11:03] <Darkside> go look up quisk
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[11:05] <Cadair> XD
[11:06] <Cadair> whaaaaat do you mean it is 32bit only
[11:07] <Cadair> is this on GH?
[11:07] <Darkside> dont think so
[11:08] <Cadair> :(
[11:08] <Darkside> its a bit shit anyway
[11:08] <Cadair> the world should be on GH lol
[11:08] <Darkside> but yeah, you could do stuff with gnuradio
[11:08] <Cadair> looks like it could be a good starting point
[11:08] <Darkside> mm
[11:08] <Cadair> I quite like the challenge of SDR. In python it would be a fun optimisation problem
[11:08] <Darkside> well, to talk to the RTLSDR stuff you'll need to use gnuradio
[11:09] <Cadair> Is there any specific RTL2832U dongle that is good to get do you know?
[11:11] <Darkside> well, Upu sells them :P
[11:11] <Darkside> i dunno what range they do though
[11:11] <UpuWork> http://ava.upuaut.net/store/index.php?route=product/product&path=71_63&product_id=70
[11:11] <UpuWork> 50Mhz to 1.8Ghz I think
[11:12] <Darkside> i'm sure the FC0013's don't go that high
[11:12] <UpuWork> we had this discussion before they do
[11:12] <UpuWork> Tuner 50MHz to 1700MHz
[11:12] <UpuWork> ok not quite 1.8
[11:12] <Darkside> hmm ok
[11:12] <UpuWork> FC0012 is 1Ghz
[11:12] <Darkside> ahh
[11:13] <UpuWork> R820T is 24-1850
[11:14] <Cadair> 24MHZ?!
[11:14] <Cadair> I need to get me one of these
[11:14] <Darkside> heh
[11:14] <Darkside> they go down quite a way, thts for sure
[11:14] <Cadair> I could do my radio meteor detection project all in software :)
[11:15] <UpuWork> http://www.kickstarter.com/projects/1085541682/bladerf-usb-30-software-defined-radio
[11:15] <Cadair> I like software, I know about it :p
[11:15] <UpuWork> with a down convertor
[11:15] <UpuWork> any SDR can go that down with a down convertor
[11:16] <Cadair> I guess a down converter is something that up-shifts the frequency detected into the receiver?
[11:17] <UpuWork> something like that yeah
[11:18] <Cadair> It makes me sad that kickstarter is $400 to actually get one.
[11:18] <Cadair> but it looks very cool
[11:18] <UpuWork> for what it is its very cheap
[11:18] <Cadair> yes
[11:18] <UpuWork> what are you trying to recieve
[11:18] <UpuWork> ?
[11:19] <Cadair> both a potential future HAB and meteor forward scatter
[11:19] <UpuWork> what frequency is meteor scatter on ?
[11:19] <Cadair> erm I think I was planning on using 50MHz
[11:19] <UpuWork> http://www.funcubedongle.com/?page_id=1073
[11:19] <UpuWork> FUNcube Dongle Pro+
[11:19] <UpuWork> The receiver range is now 150kHz to 240MHz and 420MHz to 1.9GHz.
[11:20] <Cadair> the Ham fixed station thingys (man it is a long time since I have looked into this)
[11:20] <Darkside> only has 192khz receive bandwidthbandwidth
[11:20] <Darkside> but has way better filtering than any RTLSDR
[11:20] <UpuWork> "only"
[11:20] <Darkside> and has much better dynamic range
[11:20] <Darkside> 24-bit ADCs yo
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[11:22] <Cadair> Yeah, I think (at least initally) I will stick to a really really cheap RTLSDR lol
[11:22] <Darkside> it's a good entry point
[11:22] <Cadair> yeah because I am effing broke lol
[11:22] <Darkside> same here
[11:23] <Cadair> SO this: http://ava.upuaut.net/store/index.php?route=product/product&product_id=73
[11:23] <Cadair> is good for HAB monitoring with a RTLSDR?
[11:24] <UpuWork> it works
[11:24] <Darkside> yes
[11:24] <Darkside> it does
[11:24] <Darkside> Cadair: I am VK5QI >_>
[11:24] <UpuWork> though one of Darkside's HABAmps helps
[11:24] <UpuWork> as always depends on your antenna and locations as well
[11:25] <Cadair> Darkside, nice!
[11:26] <Cadair> Is it good enough to be the main receiver?
[11:26] <Cadair> Bearing in mind we have no cash...
[11:26] <Darkside> yeah
[11:26] <Darkside> it uses more CPU though
[11:26] <Darkside> lots more processing
[11:26] <Cadair> Yeah but at receiver we will not be short on some CPU. I will bring my friends whole desktop PC if needed lol
[11:27] <Cadair> I am sure I can run 200W off my car :p
[11:28] <Cadair> Is a standard TV antenna good enough?!
[11:28] <Darkside> no
[11:28] <Cadair> ah damn it
[11:28] <Cadair> but they are so cheap :p
[11:29] <Darkside> for use in the car, make a 1/4 wave monopole magbase
[11:29] <Darkside> you shoul dbe able to get cheap little 70cm magbases on ebay
[11:30] <Cadair> You got a link on how to make one of those by chance?!
[11:30] <Darkside> well
[11:30] <Darkside> not a magbase
[11:30] <Cadair> yeah, I mean the antenna :)
[11:30] <Darkside> its a 1/4 wavelength of wire >_>
[11:30] <Cadair> >.<
[11:30] <Darkside> 16.2cm long
[11:30] <Darkside> or thereabouts
[11:31] <Cadair> cant find a mag mount
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[11:32] <Cadair> What freq is it? 435MHz?
[11:32] <Babs> Nice calculation sheet diagram here for antenna length here http://www.w7tck.org/_misc/so-239_ant.html
[11:33] <Darkside> it's going to be 0.235 times the wavelength
[11:33] <Darkside> so not exactly 1/4 wavelength, but close
[11:33] <Darkside> the small difference takes into account the antenna not being infinitely thin
[11:33] <Cadair> Darkside, did you mean something like this? (well the mount part) http://www.ebay.co.uk/itm/VHF-UHF-Taxi-Radio-PMR-Mag-Mount-Antenna-4m-Cable-BNC-138-470Mhz-High-Band-/221179462133?pt=UK_Mobile_Phones_Communication_Radio_Antennas&hash=item337f52c1f5
[11:34] <Darkside> yes
[11:34] <Darkside> you could get that and cut it down
[11:34] <Darkside> maplins sell those
[11:34] <Cadair> yeah
[11:34] <Darkside> in fact, thats exactly what i did when i was in the UK
[11:34] <Darkside> i just went to maplins, got one of those, and cut the whip down
[11:34] <Cadair> Is that going to be good enough?! Seems a bit mad that that will work XD
[11:35] <Darkside> it'll work fine if you're chasing the balloon
[11:36] <Darkside> you may have troubles when you're directly underneath, as the nulls of both transmit and receive antenna radiation patterns will match
[11:36] <Cadair> What's the best kind of antenna rig for a base station?
[11:36] <Darkside> giving less signal
[11:36] <Darkside> depends
[11:36] <Darkside> when its up high, a 1/4 wave would probably work
[11:36] <Darkside> when its at a lowe elevation, you might need a yagi
[11:37] Action: Cadair thinks ..Now based on alt and GPS position, could I make a yagi auto track...
[11:37] <Darkside> yep
[11:38] <Darkside> this has been done
[11:38] <Cadair> I am sure it has
[11:38] <Cadair> use signal strength as a fine tune...
[11:38] <Darkside> i wouldn't bother
[11:38] <Cadair> Now I need a yagi as well
[11:39] <Cadair> But one thing at a time, we need to order the sensors and play with the raspberry pi first.
[11:39] <Darkside> wait
[11:39] <Darkside> rpi >_>
[11:39] <Darkside> you're going to fly a rpi?
[11:39] <Darkside> noooo
[11:39] <Cadair> why?
[11:39] <Darkside> just because daveake did it doesn't mean it's a good idea
[11:40] <Cadair> it's a fantastic idea :p
[11:40] <Darkside> complexity, high power requirements, and not being able to do real-time modulation
[11:40] <Darkside> use an arduino
[11:40] <Darkside> srsly
[11:40] <Cadair> bah
[11:40] <Darkside> srsly
[11:40] <Cadair> I wanted to use my old phone
[11:40] <Darkside> gsm/3g is also bad
[11:41] <Cadair> not for Tx but for sensors
[11:41] <Darkside> the rpi really isn't well suited as a tracker
[11:41] <Darkside> the only way you can get well-timed data out for modulation is to use the UART, which only gos down to 300 baud
[11:41] <Darkside> and with 10mW TX power that isn't always reliably
[11:41] <Darkside> we recommend 50 baud
[11:42] <Darkside> and you can't bitbang that with good enough reliability from within linux
[11:42] <Cadair> but it is well suited to being a cpu for sensors andwebcams
[11:42] <Darkside> yes, it is fine to look at webcams
[11:42] <Darkside> depending on the sensors you can do it on the avr just fine
[11:42] <Darkside> but is it not good as a primary tracker
[11:43] <Darkside> everyone here uses some kind of microcontroller
[11:43] <Darkside> and for good reason
[11:43] <Cadair> could use a gertboard
[11:43] <Cadair> think that has a arduino on it
[11:44] <Cadair> ok so we should think of something better to to the TX
[11:44] <Darkside> yes.
[11:44] <Darkside> use an arduino
[11:44] <Darkside> srsly
[11:44] <Darkside> or something arduino-like
[11:44] <Darkside> how were you planning on attaching the gps?
[11:45] <Cadair> http://www.adafruit.com/products/746
[11:45] <Cadair> and a breadboard or sthg, we haven't got that far
[11:45] <Darkside> i think that gps is ok up to 27km
[11:45] <Darkside> dunno about higher than that
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[11:45] <Darkside> anyway
[11:45] <Cadair> yeah
[11:46] <Cadair> only one way to find out
[11:46] <Cadair> :p
[11:46] <Darkside> well
[11:46] <Darkside> you could just use the ones that we know work
[11:46] <Cadair> isn't 27k around the ceiling anyway?
[11:46] <Darkside> http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=52
[11:46] <Darkside> hell no
[11:46] <Darkside> the current HAB record is 44.3km
[11:46] <Darkside> my personal best is 40.5km
[11:47] <Cadair> What are the main things that determine the height?
[11:47] <Darkside> balloon size and how much gas is in it
[11:47] <jonsowman> day of the week
[11:47] <Darkside> and payload weight
[11:47] <jonsowman> 'r' in the month
[11:47] <Darkside> and what coloured socks you put on in the morning
[11:47] <jonsowman> oh yes
[11:47] <Darkside> blood sacrifice
[11:47] <Darkside> cthulu worship
[11:47] <Darkside> etc
[11:48] <jonsowman> I should be at 50km by now if that's the case
[11:48] <Cadair> Darkside, that module will work with a rpi right?!
[11:48] <Darkside> Cadair: which one
[11:48] <Cadair> http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=52
[11:48] <Darkside> the problem you're goign to face is the rpi only has one UART
[11:48] <Cadair> what's a UART?
[11:49] <Darkside> hardware serial port
[11:49] <Darkside> i.e. what you have to use to send the data to be transmitted, if you want any kind of accurate timing on it at all
[11:49] <Darkside> so...
[11:49] <Darkside> you have to do hacks to 'share' the single UART
[11:49] <Darkside> or you put the GPS on a usb port
[11:49] <Darkside> which means you have a heap more power draw
[11:49] <Darkside> use. a. microcontroller.
[11:49] <Darkside> srsly.
[11:50] <Darkside> we've been doing this for a loooong time now
[11:51] <jonsowman> agreed
[11:51] <UpuWork> +1 that
[11:51] <Cadair> But i wasts to use rpi
[11:51] <Cadair> for the funz
[11:52] <Darkside> then sure, still fly it
[11:52] <Darkside> have it record webcams and stuffs
[11:52] <UpuWork> would you perform surgery with an axe ?
[11:52] <Cadair> I don't know about the problems with it though
[11:52] <Darkside> but use an avr or something as your primary tracker
[11:52] <UpuWork> sure it will probably work but a scalpel will be better
[11:52] <Cadair> avr?
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[11:52] <UpuWork> if it wasn't for that media tart Akerman none of this..
[11:52] <UpuWork> oh hi Dave
[11:53] <Darkside> Cadair: the chip on an arduino board
[11:53] <Darkside> yeah, bloody dave ackerman
[11:53] <daveake> lol UpuWork
[11:53] <daveake> no C
[11:53] <daveake> bloody ozzies can't sel :p
[11:53] <daveake> spel
[11:53] Action: UpuWork gets popcorn
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[11:54] <UpuWork> ping Babs
[11:54] <UpuWork> got mail will respond this evening
[11:54] <daveake> [11:39] <Darkside> just because daveake did it doesn't mean it's a good idea
[11:54] <daveake> Quite so
[11:54] Action: Cadair gets the impression i just started something
[11:54] <Cadair> daveake, does that make it a bad idea though?
[11:54] <daveake> I have been beckoned to correct the errors of your ways :)
[11:55] <Darkside> hehe
[11:55] <daveake> Well, let's put it this way .... I only fly the Pi in conjunction with a separate, completely independent, reliable tracker
[11:55] <Cadair> make sense
[11:56] <Cadair> tbh, the tracker is the thing we haven't given a lot of thought to yet, we are still in the very early stages of planning this
[11:56] <daveake> TBH All 3 Pi flights, the Pi has worked 100%, if you discount me not tightening up the GPS plug on one of them :p
[11:56] <Darkside> tbh the tracker is the most important part
[11:56] <Cadair> so what did you do
[11:57] <Cadair> Darkside, I get that. But it is not as easy as rigging up some temp/pressure sensors and playing around with some electronics that none of us have any real experience in
[11:57] <daveake> However, if what you want is a simple reliable tracker, then get an Arduino or some other basic micro board. Not one with an operating system. Not one with an SD card. Not one with 10 times the power requirement of a simple tracker. Not one with a non-real-time OS
[11:58] <jonsowman> or any OS
[11:58] <daveake> An Arduino is no more difficult to program than a Pi. And it doesn't need any tricks of port sharing. And lots more people can help you on it.
[11:58] <daveake> Agree jonsowman :)
[11:58] <daveake> +d
[11:58] <Cadair> what can you code arduino in?
[11:58] <daveake> C
[11:58] <Daviey> daveake: Are you kidding?
[11:58] <daveake> The language of winners
[11:58] <Cadair> XD
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[11:59] <daveake> Daviey I doubt it
[11:59] <Cadair> C is not python though
[11:59] <Cadair> :p
[11:59] <jonsowman> undeniable
[11:59] <Daviey> daveake: a full-blown OS is naturally easier to programme than a single-language Ardunio
[11:59] <daveake> Rubbish
[11:59] <UpuWork> not true
[11:59] <UpuWork> go ask project sharp about programming multitasking O/s's
[11:59] <jonsowman> for this application (HABs), that's not true
[12:00] <jonsowman> in general, perhaps it is
[12:00] <UpuWork> that said Dave's is the only payload with a GPU temperature readout
[12:00] <jonsowman> the application specific requirements make using a microcontroller significantly easier than trying to wrestle with an OS in order to coerce it into doing what you want
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[12:00] <Cadair> UpuWork, yeah baby!
[12:00] <daveake> The stuff you need to do in a tracker is almost identical regardless of whether you have an OS underneath, as you talking to serial ports and waggling bits around.
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[12:01] <Daviey> I think my head just exploded. I agree, a tightr environment that uses less power is a better fit for HAB.. But i strongly disgaree it's easier to programme.
[12:02] <daveake> Well, Daviey, I programmed both. I ported my Arduino code to the Pi in 2 hours including soldering up the GPS and radio. Going the other way would have taken the same time.
[12:02] <Cadair> ok,
[12:02] <Daviey> jonsowman: wrestle is a little emotive. Setting IO high or Low is just as flexible in python as it is in Ardunio's custom environment :)
[12:02] <Cadair> so daveake you actually used the pi for tracker tx and it worked?
[12:02] <Cadair> (yes yes i know)
[12:03] <Cadair> but actually it is a bit pants?
[12:03] <daveake> Yes, it worked. I had to cheat because of the non-real-time-ed-ness, but it worked
[12:03] <gonzo__> depends on your aproach. If you are from a PC background, where you want someone else to have done all the deviec interfacing, then an OS feels easier to use. If you are from an embedded background, they you will probably prefer having absolute control and access to the hw. So an OS is just an extra comoplication and more to go wrong
[12:03] <Daviey> daveake: so you agree with me? 2 hours to port, included electronic handling.. is pretty reasonable, surely?
[12:03] <daveake> My point is, going EITHER WAY would be the same
[12:04] <Cadair> what about using a arduino to do tx and the pi to do sensor read etc?
[12:04] <daveake> The bulk of the work is independent of if it's a Pi or Arduino
[12:04] <Daviey> right.. the hard part is developing the algorithm.. Which is pretty portable.
[12:04] <daveake> You can. You can split the load between Pi and Arduino however you like.
[12:05] <Cadair> how do you get them to talk to each other?
[12:05] <Cadair> without encountering the same issues as just using the pi?
[12:05] <daveake> Exactly. Decoding GPS (and there's an Arduino library for that); reading sensors (libraries); building Tx string (peasy), Txing (different on Pi and Arduino)
[12:05] <daveake> i2c would make sense. You can make an Arduino an i2c slavea easily
[12:06] <Cadair> ah cool
[12:06] <daveake> You have to ask though, what the Pi is adding
[12:06] <Cadair> Webcams, MOOOR sensors?
[12:06] <daveake> Those are possible answers yes
[12:07] <Cadair> just the fun of flying a pi
[12:07] <daveake> Well that's why I did my first
[12:07] <Cadair> an I have to agree that it is probably easier for me to program
[12:08] <daveake> Just remember, you want the thing back. Make the tracker as reliable as possible. IMO that means making it independent of whether the Pi is working or not.
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[12:08] <daveake> A lose SD card can stop your tracker dead, for example
[12:08] <daveake> loose even
[12:08] <Cadair> oh loose sd cards
[12:08] <daveake> Descent can be a bit unfriendly
[12:09] <Cadair> yeah we already have that problem
[12:09] <Cadair> could make the arduino track indepentantly of the pi but you are getting less and less use out of the ting
[12:09] <Cadair> could make the arduino track indepentantly of the pi but you are getting less and less use out of the thing
[12:09] <daveake> Matters not. Reliability matters
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[12:10] <Cadair> i mean there is less point to it's existance
[12:10] <daveake> Everything in the payload has to have a reason to be there.
[12:12] <Cadair> yeah, but for fun is probably a valid reason? :p
[12:13] <griffonbot> Received email: chris hillcox "Re: [UKHAS] Polystyrene foam thickness survey."
[12:13] <daveake> My Pi flights I do SSDV ("live"-ish images). That's easier, cheaper and seems to produce better quality images than using an AVR and a serial camera. So that in itself justifies the Pi being there. However, like I said, I won't fly one without having a solid tracker there too. So IMO even if you use a Pi, you should build a separate independent reliable tracker too.
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[12:14] <daveake> Having a tracker that relies on a Pi *and* Arduino to work together just increases complexity and the likelihood it'll all go pear-shaped.
[12:14] <Cadair> so you have the pi and the avr completely separate like tx separately as well?
[12:15] <Cadair> or you make the avr just carry on if the pi falls over?
[12:15] <daveake> I would, and I do.
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[12:15] <daveake> Separate trackers - batteries everything
[12:15] <Cadair> yeah cool
[12:16] <Daviey> BTW, i assume people saw the Pi (A) for £18.88 inc postage ?
[12:17] <daveake> Yeah, got 2 on order
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[12:23] <Cadair> Thanks a lot guys :)
[12:23] <Cadair> I am off to lunch
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[12:41] <griffonbot> @adamcudworth: build 309 submitted to the app store, hopefully the mysterious app store reviewers will allow it through #ukhas [http://twitter.com/adamcudworth/status/298773395963793408]
[12:49] <Randomskk> cuddykid: nice work :D
[12:49] <Randomskk> good luck with approval!
[12:49] <cuddykid> thanks - hopefully they'll allow it through!
[12:49] <fsphil> have you been to the alter of Jobs and prayed lately?
[12:50] <Randomskk> I hear small sacrifices are acceptable. new android phones, copies of windows, etc
[12:50] <daveake> Steve Ballmer's brain
[12:50] <daveake> That's been missing a long while
[12:51] <cuddykid> :)
[12:51] <daveake> Tell 'em the app searches for patent infringements by Samsung.
[12:52] <cuddykid> lol
[13:02] <cuddykid> done a little screencast of the app, uploading now
[13:02] <Randomskk> cool cool
[13:02] <Randomskk> so does your app just go direct to habitat?
[13:05] <cuddykid> yep
[13:05] <cuddykid> just fetches last 50hrs of uploaded telemetry
[13:06] <cuddykid> nothing fancy - can be improved in the future
[13:08] <Randomskk> cool
[13:08] <Randomskk> of all telem or just stuff from a flight or what?
[13:08] <Randomskk> I guess all telem and then you can filter based on whether it was in a flight or not
[13:08] <Randomskk> meh, sensible enough. the other approach would be to get a list of all active flights, display those, and fetch telem per-flight
[13:08] <Randomskk> but your way works too
[13:10] <cuddykid> I just get everything at the moment, then sort into separate paylaods
[13:10] <cuddykid> plan to sort into live/test flights soon
[13:13] <cuddykid> http://youtu.be/97zYeu9LckA
[13:15] <Randomskk> very snazzy
[13:17] <daveake> "Limit speed recording". Ah yeah, we need to discuss royalty payments for that idea ... :p
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[13:17] <cuddykid> haha
[13:19] <costyn> cuddykid: nice ... and yes, speaking of royalty, the 'get directions to payload' functionality
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[13:19] <cuddykid> :)
[13:19] <costyn> so the speed reporting limts it to a particular speed?
[13:19] <costyn> will never show you're going 150km/h on the trackermap?
[13:19] <cuddykid> yeah, doesn't report over 70mph
[13:20] <cuddykid> and then the speed goes red on the iPhone so you now when it's limiting the uploaded speed to ~70mph
[13:20] <Randomskk> hehe
[13:20] <Randomskk> fwiw I have it on reliable intelligence that you'll not get a speed conviction for something like that
[13:20] <Randomskk> not this decade anyway. not without new laws and case law.
[13:20] <Randomskk> not that I'm a lawyer, but
[13:21] <cuddykid> yeah, I would've thought it was highly unlikely
[13:21] <costyn> cuddykid: what does the my location icon look like? i didn't see it on mthe map
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[13:22] <cuddykid> costyn: just the standard apple blue dot (like in maps app)
[13:22] <costyn> ah ok
[13:23] <costyn> heh.. the too fat typo at the end :)
[13:23] <cuddykid> lol, yes, that was bad
[13:26] <Hix> just been thinking has anyone used eith IMU or compass info to control when camera takes pictures for stitch purposes?
[13:26] <Randomskk> don't think so. generally just relying on the payload spinning works fine
[13:29] <fsphil> that's interesting though
[13:29] <fsphil> have it only take pictures at certain angles
[13:29] <Hix> what i was thinking - bearing and elev for a mahoosive pano stitch
[13:29] <fsphil> could make a slideshow out of the pictures
[13:30] <Hix> I'm sure for those that are handy iwth C it would be pretty elementary to code up
[13:30] <fsphil> if you take enough pictures there's normally more than enough points for an automatic stitcher to work
[13:30] <fsphil> something like hugin
[13:31] <Hix> I've been designing a linear slide for timelapse, though linear slide gear is really expensive
[13:32] <Hix> obv not for HAB :)
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[13:33] <costyn> Hix: me too :)
[13:34] <Hix> what a slide?
[13:34] <costyn> stepper motor should be arriving soon
[13:34] <costyn> Hix: yes
[13:34] <costyn> got the slide and sled ready
[13:34] <Hix> Cool - what are you using for the guide? Igus or something else
[13:34] <Hix> openmoco?
[13:34] <Hix> for controller
[13:34] <costyn> i have no idea what those are... I'm going to use a promini with my own code
[13:35] <Hix> oh ok. openmoco is an opensource stepper driver nadn intervalometer
[13:35] <costyn> ah ok
[13:35] <Hix> igus are a hardware co, though expensive
[13:35] <costyn> Hix: ikea :)
[13:35] <Hix> interested in what you're using for hardware
[13:35] <costyn> Hix: http://imgur.com/VYmLW
[13:36] <costyn> Hix: Ikea Besta slide rails
[13:36] <costyn> 20 euro's
[13:36] <Hix> good thining :D
[13:36] <Hix> thining
[13:36] <costyn> :)
[13:36] <Hix> god thinking
[13:36] <costyn> t.y.p.e. s.l.o.w.e.r
[13:37] <costyn> :P
[13:37] Nick change: Hix -> typoking
[13:37] <costyn> using a rack & pinion system. the stepper will be on the sled powering itself along
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[13:37] <typoking> ok i was lookking at 3M 3mm pitch belt drive with pulleyd and tensioned idlers
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[13:39] <typoking> http://i.imgur.com/6RUbNww.png
[13:39] <typoking> costyn - worth a look http://www.openmoco.org/
[13:40] <costyn> typoking: very sexy
[13:40] <costyn> typoking: been looking for stuff like this but it's hard to find if you're not in the industry
[13:40] <typoking> 'kin costly though, it'll probably never see reality
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[13:41] <typoking> I've used an american co called 80/20 though getting it in the UK is a mare. Hence the rethink
[13:41] <typoking> If I only had machining capability I could do some marvellous things
[13:41] <typoking> as it is I don't even own a drill press
[13:42] <costyn> typoking: makes it difficult
[13:42] <costyn> typoking: we have lots nice tools at our hackerspace
[13:42] <costyn> http://www.ikea.com/nl/nl/assembly_instructions/besta-rail-voor-schuifdeuren__AA-205684-5_pub.PDF <-- here's the rails I was talkinga bout
[13:43] <costyn> you can see the ikea partnumbers
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[13:44] <costyn> uploading a pic of the rails & sled now
[13:45] <costyn> typoking: http://imgur.com/hHgReFM
[13:46] <costyn> bit unwieldy but we'll see what works and doesnt work
[13:47] <typoking> pretty neat, that hackerpsace looks quite swish too
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[13:47] <typoking> what length is it? 2m?
[13:47] <costyn> on the arduino I have the stepper control, an 2x8 LCD screen (with backlight) and a rotary encoder with pushbutton to set the stepper speed and shutter bulb time
[13:47] <costyn> typoking: yes, 2m
[13:50] <costyn> typoking: it ws really hard to get the rails aligned so the sled would run smoothly through it at all points. might upgrade this rig with steel brackets between the rails instead of woodddddddddddddd
[13:50] <costyn> oops
[13:52] <typoking> defective D key then :)
[13:52] <typoking> just found htis - gonna look into it
[13:52] <typoking> http://wiki.london.hackspace.org.uk/view/London_Hackspace
[13:52] <typoking> oh cool - I've just been asked to go back to my old contract for another 3 months /me gets out of jail free
[13:53] Nick change: typoking -> Hix
[13:55] <Hix> hey costyn - http://wiki.london.hackspace.org.uk/view/OHM_2013 did you know about that?
[13:56] <costyn> Hix: yea, some guys at my space are part of the organization
[13:56] <costyn> Hix: should be fun
[13:57] <costyn> (although I'm personally not going)
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[16:11] <arko> So sleepy
[16:12] <arko> Every hackerspacenis different
[16:12] <arko> The hard part is finding a fitting one nearby
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[16:18] <Hibby> i've noticed you tend to see the same kinds people at each one, though...
[16:19] <Hibby> that one guy that's too OCD and catalogues everything with RFID & QR codes...
[16:19] <Hibby> that guy that's incompetent but likes to argue about things he knows nothing about...
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[16:23] <arko> Yeah
[16:23] <arko> Some of them are geared or setup differemtly
[16:24] <arko> Some are Maker, some are hacker, some are geared for mechanical stuff others are electronics
[16:25] <arko> Some have all these politics on how things should be
[16:25] <arko> Others are like show up do whatever
[16:25] <arko> Our hackerspace in LA is less structured (on purpose) allowing people to work on whatever they want, and much more electronics
[16:26] <arko> Some mechanical
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[16:30] <costyn> our space is about 50/50 makers/software people
[16:30] <costyn> where makers also includes people working on electronics projects
[16:30] <arko> Nice
[16:30] <Hix> just got in touch with that london one, seems very laid back
[16:30] <arko> :)
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[16:31] <SP9UOB_Tom> hi all
[16:31] <Hix> bad language all obver the place on IRC - feels like my kinda place
[16:31] <costyn> hehehe
[16:31] <arko> Hix i have to regulate myself here :)
[16:31] <SP9UOB_Tom> Upu: my order just arrived. 1.8V is online now ;-)
[16:32] <UpuWork> Good to hear thanks SP9UOB_Tom :)
[16:32] <UpuWork> check the power consumption
[16:32] <arko> I never understoodnthe word Maker, isnt that like calling your computer club the Applespace?
[16:32] <Hix> arko ditto :D
[16:32] <arko> Its a corp
[16:32] <arko> Not that corps are bad and all
[16:32] <SP9UOB_Tom> UpuWork: 120 mA @1.5V (no FIX)
[16:32] <arko> But rather why take the name
[16:32] <arko> I dunno
[16:33] <SP9UOB_Tom> Hix: how's my pizza ;-) ?
[16:33] <arko> eroomde: DO NOT VISIT NOISEBRIDGE
[16:33] <Hix> sourcing yeast ;p
[16:33] <arko> stay farrrrrr
[16:33] <arko> Trust me, ill explain later
[16:33] <russss> heh
[16:33] <Hix> is it as bad as Gary Indiana?
[16:33] <SP9UOB_Tom> Hix: Kabanos are prepared ;-)
[16:33] <Hix> WIN!
[16:33] <Hix> Kabanos Pizza
[16:34] <SP9UOB_Tom> lol
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[16:34] <UpuWork> get it in power saving and that will drop
[16:34] <Hix> mit wurst
[16:34] <fsphil> I'm hungry now
[16:34] <Hix> i fear the wirst
[16:34] <Hix> wurst
[16:34] <SP9UOB_Tom> hix: http://p.alejka.pl/i2/p_new/56/49/kabanosy-francuskie-360g-sokolow_0_b.jpg
[16:35] <Hibby> arko: I was really impressed with i3 in detroit when I was there with Dan_K2VOL
[16:35] <Hibby> might have been the open bar, though
[16:35] <arko> Nice!
[16:35] <Hix> why does a std word need a Y at the end in polski [or is it polska]
[16:36] <costyn> arko: noisebridge is also a hackerspace?
[16:36] <SP9UOB_Tom> Hix: its plural designator
[16:37] <Hix> ah ok, learning language is good
[16:37] <SP9UOB_Tom> its time to coffe, bbl
[16:37] <Hix> see ya
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[16:39] <fsphil> I never use non-english languages enough to learn it properly. I've forgotten anything I learn within a week :)
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[16:50] <arko> costyn yes
[16:50] <costyn> arko: wots wrong wid it?
[16:50] <arko> Umm
[16:51] <arko> Subscribe to their mailing list
[16:51] <arko> Youll find out
[16:51] <costyn> heh
[16:51] <arko> You know when your friends go "oh dont date that chick shes crazy"
[16:52] <arko> Yeah, its that with hackerspaces
[16:52] <russss> noisebridge has all the drama
[16:53] <russss> they even had a drama lama a few months back. (yes, lama. not llama)
[16:54] <arko> Yep
[16:54] <arko> Russs you been?
[16:54] <russss> yes, everyone was perfectly friendly
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[16:54] <arko> Yeah
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[16:57] <arko> Until the drama
[16:57] <arko> They are also very easy to troll
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[17:00] <Hix> fsphil, I can deal with learning human languages, just not code :/
[17:00] <fsphil> I'm the opposite sadly
[17:01] <arko> Finnish code
[17:01] <arko> Gg
[17:01] <gonzo__> reverse polish?
[17:01] <Hix> :D
[17:02] <Hix> sounds like a position
[17:02] <gonzo__> hehe
[17:02] <Hix> m&s reversy percies still make me LOL in store
[17:03] <Randomskk> i lol'd, then i nom'd
[17:04] <arko> Hix haha
[17:04] <arko> Rpn is the best btw
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[18:19] <chrisstubbs> Does anyone have an houry predictor set up for cambridge?
[18:19] <chrisstubbs> i tried to set another one up alongisde my essex one but it didnt work :(
[18:24] <jonsowman> http://hourly.cusf.co.uk
[18:24] <chrisstubbs> Perfect, thanks :)
[18:24] <jonsowman> let me know if you want the parameters changed
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[18:28] <chrisstubbs> thats close enough thanks
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[18:31] <OZ1SKY_Brian> hi
[18:34] <SP9UOB_Tom> hi Brian
[18:38] <OZ1SKY_Brian> czesc Tom.
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[18:39] <OZ1SKY_Brian> jak sie masz?
[18:40] <arko> arclight: around?
[18:40] <arko> ah crap, wrong channel
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[18:41] <fsphil> we forgive you
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[18:42] <arko> <3
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[19:17] <SP9UOB_Tom> OZ1SKY_Brian: O, piszesz po polsku. Im Fine, thanks :-)
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[19:19] <OZ1SKY_Brian> great :-) i can´t remeber any more polish, been to meny years :-)
[19:20] <arko> Chcialabym napisac polskiego
[19:21] <SP9UOB_Tom> chcialabym - i wisk - but female type
[19:21] <SP9UOB_Tom> chcialbym - i wish - male
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[19:21] <arko> ciekawy
[19:21] <mclane> good evening everybody
[19:22] <arko> evening
[19:22] <chrisstubbs> evening
[19:22] <mclane> may I shortly interrupt your polish lesson ;-) for a short question?
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[19:22] <arko> go!
[19:23] <Lunar_Lander> hello
[19:23] <Lunar_Lander> mclane, will you be at HAM RADIO at Lake Constance in June?
[19:23] <mclane> I am looking for an implementation of the ssdv protocol (encoder / decoder)
[19:23] <lz1dev> https://github.com/fsphil/ssdv
[19:24] <mclane> I have found that - is this the decoder side?
[19:24] <lz1dev> both
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[19:28] <mclane> ok, seems to be non-trivial. Any more detailled description (I have read the wiki article and looking for something more detailled)
[19:28] <mclane> ?
[19:29] <costyn> evening all
[19:29] <mfa298> I think dl-fldigi might have the decode bits in it so you may only need to work on the encode side
[19:30] <mattbrejza> tahts the ATMEGA 644 version i assume too
[19:30] <mclane> Lunar_Lander: no concrete plans
[19:30] <costyn> question about habamp: we should see a difference in signal strength even in a desktop test setup when we apply power and when there's no power right?
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[19:31] <mattbrejza> the habamp needs power
[19:31] <costyn> nothing seems to happen when we gave it 5v
[19:31] <mattbrejza> otherwise its a habatt
[19:31] <SP9UOB_Tom> habatt LOL ;-)
[19:31] <costyn> :)
[19:32] <Lunar_Lander> xD
[19:32] Action: SP9UOB_Tom 's freezer does the job: $$$$$$SP9UOB,114,00:00:00,0,0,0,0,0,0,128,-20*42BB
[19:32] <SP9UOB_Tom> -20 deg C
[19:33] <mattbrejza> when ours was broken it went down to -30
[19:33] <costyn> but we should see some sort of change when applying power?
[19:33] <mattbrejza> well you wont notice much difference between with habamp and without habamp when the signal soruce is right next to you
[19:33] <costyn> say at a point in time + and - were reversed, could this have broken it?
[19:34] <costyn> mattbrejza: ok
[19:34] <mattbrejza> that can have sad results yes
[19:34] <SP9UOB_Tom> could somebody cange the topic to: the habamp needs power otherwise its a habatt
[19:34] <SP9UOB_Tom> ?
[19:34] <SP9UOB_Tom> change ;-)
[19:34] <fsphil> mclane: yea that code is both encoder and decoder
[19:36] <mclane> meanwhile I found your HADIE code, fsphil
[19:36] <mclane> I will try that on an ARM micro next time
[19:36] <Lunar_Lander> fsphil, what was the uC in HADIE?
[19:37] <chrisstubbs> Is the radar reflector a legal requirement on a 300g balloon with approx 350g payload?
[19:38] <fsphil> atmega644p Lunar_Lander
[19:39] <fsphil> mclane: I believe that code uses an early version for the format, I'll check
[19:39] <Lunar_Lander> ah
[19:39] <fsphil> for/of
[19:39] <Lunar_Lander> and you attached that camera module to UART 1 of it?
[19:40] <fsphil> 0 I think Lunar_Lander
[19:40] <Lunar_Lander> ah
[19:40] <mclane> I am working with a lpc1227; this chip has 2 UARTs
[19:40] <Lunar_Lander> why do people succeed in operating camera modules with arduinos?
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[19:41] <mclane> the task is not that computation-intensive
[19:41] <mclane> if you use a camera whith integrated processor
[19:41] <mclane> where you can read the picture data via UART
[19:42] <fsphil> yea, this is much simpler than processing raw images
[19:42] <Lunar_Lander> well
[19:42] <fsphil> mclane: I've pushed an update
[19:42] <mclane> I have a linksprite camera
[19:42] <fsphil> the crc was changed
[19:42] <Lunar_Lander> that LinkSprite thing that I got from sparkfun seems to do that
[19:42] <Lunar_Lander> if you want to have a look https://www.sparkfun.com/products/10061
[19:43] <fsphil> I've tested images from a linksprite, they seem to work but nobody has flown one
[19:43] <mclane> fsphil: thanks; will use that as a reference
[19:43] <Lunar_Lander> kostas flew one
[19:43] <Lunar_Lander> i.e. nosebleed
[19:43] <fsphil> there is also a volatile variable in there mclane, you probably don't need that
[19:43] <fsphil> it was to work around an avr-gcc bug
[19:43] <fsphil> which might even be fixed by now, might not need it myself
[19:44] <Lunar_Lander> mclane, to what uC would you connect the camera?
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[19:45] <mclane> LunarLander: I am working with an NXP lpc1227
[19:45] <mclane> which is ARM cortex m0
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[19:46] <mclane> 128k Flash, 8k RAM, 2 UARTS, SPI, I2C
[19:46] <fsphil> I've not counted how much ram ssdv encoding uses
[19:46] <mclane> and a realdevelopment environment
[19:46] <fsphil> I suspect it's about 2k
[19:46] <mfa298> mclane: it might be worth talking to craag when he's around as I know he started looking at getting ssdv to work on some form of arm cortex
[19:47] <Lunar_Lander> mclane, ah ok
[19:47] <fsphil> someone else used it on arm
[19:47] <fsphil> I can't remember who now
[19:47] <fsphil> (not including raspberry pi in that)
[19:48] <mfa298> fsphil: are you thinking of craag at the weekend ?
[19:48] <mfa298> or has someone else tried as well ?
[19:48] <fsphil> no, this was last year
[19:48] <mclane> some first results here: www.stratosphaere.net
[19:48] <Upu> I might do a Pico
[19:48] <Upu> depends on weather and what else is going on
[19:49] <fsphil> mmm.. project t-shirts
[19:49] <fsphil> love that idea
[19:49] <mclane> idea of my wife
[19:51] <lz1dev> http://www.raspberrypi.org/archives/3224
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[19:51] <lz1dev> hello hello
[19:52] <fsphil> hoping to have my model a tomorrow
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[20:08] <Lunar_Lander> mclane, how much volts do you give into the camera?
[20:08] <Lunar_Lander> *how many
[20:09] <mclane> 3.3V
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[20:09] <fsphil> all the uart cameras seems to be 3.3v only
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[20:10] <Lunar_Lander> well the linksprite normally runs at 5
[20:10] <fsphil> I think only the rs232 version of the 4d systems camera did 5v
[20:10] <Lunar_Lander> but can run at 3.3V with lower baud rate
[20:11] <fsphil> nice
[20:11] <mclane> I tried the default 38400 baud which works ok
[20:11] <fsphil> that makes it easier for some people
[20:11] <Lunar_Lander> OK
[20:11] <fsphil> I actually ran mine at 9600, cause I'm transmitting at 300 baud there's no point rushing :)
[20:11] <Lunar_Lander> do you think my arduino mega which runs all of the balloon already could also run the linksprite?
[20:12] <Lunar_Lander> I got Serial 0 and 3 vacant but I got that it also runs with software serial
[20:12] <fsphil> if you've the space (RAM + flash), a free uart and the time to program it
[20:12] <mclane> yea agree to fsphil
[20:13] <fsphil> one issue I had with the C328-based cameras was they'd sometimes fall asleep between packets
[20:13] <mclane> I run it with a 32 byte buffer to receive image datachunks
[20:14] <Lunar_Lander> would it be compatible to an openlog?
[20:14] <mclane> and write them immediately to an sd card
[20:14] <fsphil> hopefully the linksprite doesn't mind
[20:15] <fsphil> atmega's just don't have the memory to store an entire image
[20:15] Nick change: choppyhorse -> Bulbasaur
[20:15] Nick change: Bulbasaur -> Oddish
[20:15] <Lunar_Lander> yea
[20:15] Nick change: Oddish -> choppyhorse
[20:15] <mclane> my lpc also has only 8k RAM and a 640x480 picture is some 40k
[20:16] <mclane> so I read it piece by piece and write to sd card
[20:16] <Lunar_Lander> currently the arduino runs the GPS and sensors, assembles the string, transmits at 50 bauds and then actuates the openlog on UART2 to save it
[20:16] <fsphil> if the linksprite doesn't mind pausing then it's not an issue
[20:17] <fsphil> if you've four uarts, why are you using software serial Lunar_Lander?
[20:17] <mclane> I did not try that
[20:17] <mclane> (pausing the readout)
[20:17] <Lunar_Lander> yeah I was just thinking
[20:17] <Lunar_Lander> I got a geiger counter as well that can do serial and Pulse
[20:17] <fsphil> I must give it a try
[20:18] <Lunar_Lander> maybe we would use Pulse when we hook it up for flight 2
[20:18] <fsphil> I've got a linksprite somewhere
[20:18] <mclane> furthermore, I am looking to run the whole stuff with a RTOS
[20:19] <mclane> so I can run parallel threads
[20:19] <mattbrejza> interrupts ftw
[20:19] <mclane> 50 baud rtty leaves the cpu in an idle loop most of the time
[20:19] <fsphil> threads are nasty beasties
[20:19] <fsphil> put your rtty in the interrupt
[20:20] <mclane> yes I know
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[20:20] <chrisstubbs> Is the radar reflector a legal requirement on a 300g balloon with approx 350g payload?
[20:21] <mattbrejza> in uk: nope
[20:21] <chrisstubbs> Great, that would put my payload right over the weight limit!
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[20:27] <griffonbot> Received email: Philip Crump "[UKHAS] Re: Pico Launch Announcement: VERTIGO"
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[20:40] <Lunar_Lander> mclane, I once rebuilt the JPEG Trigger of sparkfun but it didn't work
[20:40] <Lunar_Lander> with that I mean
[20:40] <Lunar_Lander> there was a test program creating a 100 line text file on an SD card
[20:40] <Lunar_Lander> that worked well
[20:40] <Lunar_Lander> in connection with the linksprite, it only got 0 byte files
[20:41] <fsphil> did you have the right version? there was one for the c328 cameras
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[20:43] <mclane> what do you mean with "jpeg trigger"?
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[20:45] <chrisstubbs> CAA application sent for every weekend in april, launching at some point from south of chelmsford depending on wind :)
[20:50] <Lunar_Lander> ah well
[20:51] <Lunar_Lander> mclane, there is a device that sparkfun sells which is like an arduino uno with a SD card slot
[20:51] <jonsowman> chrisstubbs: you should totally just come to the cusf site and launch
[20:51] <Lunar_Lander> you power it off a lipoly and attach a Linksprite camer
[20:51] <Lunar_Lander> *camera
[20:51] <Lunar_Lander> and then, if a pin on the board is shorted, a picture is taken and saved on the SD
[20:51] <Lunar_Lander> https://www.sparkfun.com/products/10549
[20:55] <chrisstubbs> jonsowman in the event that the forecast says the balloon will end up in the sea, I will go for a EARS/CUSF launch :)
[20:55] <chrisstubbs> Just a little further away
[20:55] <jonsowman> alrighty
[20:55] <jonsowman> let us knwo
[20:55] <jonsowman> *know
[20:56] <chrisstubbs> what kind of notice would you need?
[20:56] <daveake> The only way is (off the coast of) Essex
[20:56] <jonsowman> assuming we are free, 24 hours
[20:56] <jonsowman> chrisstubbs: ^
[20:56] <chrisstubbs> haha I have had a handful of forecasts landing in kent, which would be perfect!
[20:57] <chrisstubbs> And thanks jonsowman I will keep that in mind :) We wont trouble you for helium equipment or chasing (unless you want to of course!) Just use of the launch site would be much appreciated.
[20:58] <mclane> Lunar_Lander: ah ok. But I preferred to do it myself since I also want to send rthe images to the ground
[20:58] <jonsowman> that's fine
[20:58] <jonsowman> makes our life v easy
[20:58] <mclane> through an extra 868 MHz link
[20:58] <jonsowman> turn up, check you're not doing stupid things whilst drinking a hot cup of coffee
[20:58] <jonsowman> leave
[20:58] <jonsowman> though of course we are happy to help as much or as little as you like
[20:58] <fsphil> you have it easy
[20:59] <jonsowman> fsphil: tell me about it
[20:59] <Lunar_Lander> mclane, yeah, as I said I got the parts, save for the stepup that they have and I copied the circuit
[20:59] <jonsowman> I'm going to miss the permanent NoV next year
[20:59] <jonsowman> it's so conveniennt
[20:59] <jonsowman> sp
[20:59] <Lunar_Lander> and the CPU seems to be able to write to the SD card via the level shifter
[20:59] <Lunar_Lander> but something in controlling the camera seems to be not working
[20:59] <Lunar_Lander> the camera works when I attach it to the PC with a FTDI
[21:00] <fsphil> Lunar_Lander: did you check you have the correct version, and not the trigger for the C328 camera they used to sell
[21:00] <Lunar_Lander> that is the 2.0 version
[21:00] <Lunar_Lander> and the text says it is for the linksprite
[21:01] <Lunar_Lander> the first sentence says
[21:01] <Lunar_Lander> "The JPEG Trigger interfaces with the LinkSprite JPEG Color Camera to simplify picture taking."
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[21:08] <Lunar_Lander> fsphil, the 1.4 retired version is not what I rebuilt
[21:08] <Lunar_Lander> and the camera for that isn't available anymore either
[21:09] <fsphil> nice little camera that was
[21:09] <Lunar_Lander> yea
[21:09] <Lunar_Lander> I mean the JPEG library that sparkfun supplies has a test program
[21:09] <Lunar_Lander> which does nothing more than taking one shot with the linksprite and saving it on the SD
[21:10] <Lunar_Lander> and that doesn't work either
[21:11] <fsphil> double check the wiring
[21:11] <Lunar_Lander> yea
[21:11] <Lunar_Lander> but the process of writing works
[21:12] <Lunar_Lander> but as you say I have to check it again
[21:12] <Lunar_Lander> but along the way I built up an arduino Uno on a protoboard
[21:12] <Lunar_Lander> which is nice too
[21:12] <Lunar_Lander> but people said that I might have placed the 16 MHz xtal a bit too far from the CPU
[21:13] <fsphil> that too
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[21:14] <Lunar_Lander> let me check
[21:14] <Lunar_Lander> I took a photo of the board
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[21:18] <Lunar_Lander> fsphil, http://s.gullipics.com/image/f/9/k/5yvpm2-kk82z0-vt9m/IMG6297.jpeg
[21:19] <nigelvh> I would definitely prefer to see the crystal closer.
[21:19] <Lunar_Lander> ok
[21:19] <Lunar_Lander> could there be a timing issue?
[21:20] <nigelvh> Not to say it WON'T work there, but it's a clock line and with radio stuff around you're asking for potential problems.
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[21:29] <fsphil> wot nigelvh said n' stuff
[21:29] <fsphil> on stripboard I didn't even put on a capacitor, there was enough stray capacitance (sp?) on the tracks
[21:30] <fsphil> though I was running a slower cystal
[21:30] <nigelvh> Did you measure the capacitance? Because often the crystals will run without the capacitors, they're just more stable with them.
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[21:31] <fsphil> this is a good point
[21:31] <fsphil> on breadboard (yea sucky for RF) it didn't work with the capacitors at all
[21:33] <nigelvh> YAY RF!
[21:33] <Lunar_Lander> xD
[21:33] <fsphil> magic
[21:34] <nigelvh> Black Magic
[21:35] <nigelvh> Plus some voodoo
[21:36] <fsphil> the Dark Lord Sauron would be good at radio
[21:37] <nigelvh> Good point.
[21:38] <fsphil> this seems very expensive: http://uk.farnell.com/iqd-frequency-products/lf-x331b/crystal-oscillator-1mhz/dp/9712402
[21:39] <arko> wow
[21:39] <arko> must be clean
[21:40] <nigelvh> Oh, it's not THAT expensive. I thought it was going to be like an order or magnitude or more higher.
[21:40] <arko> nah thats not it
[21:40] <arko> i was refering to myself
[21:40] <arko> as note
[21:41] <fsphil> better, http://uk.farnell.com/ael-crystals/o1m000000l002/oscillator-spxo-1mhz-8-pin/dp/1448072
[21:41] <fsphil> 8 pins, sheesh
[21:42] <fsphil> I guess not many people need crystals at this speed
[21:42] <arko> http://uk.farnell.com/fox-electronics/fxo-hc536r-1/osc-3-2x5mm-smd-cer-1-000mhz/dp/1641020RL
[21:42] <arko> go smd
[21:43] <fsphil> indeed, that would suit it fine
[21:44] <nigelvh> Apparently... Digikey only has one 1MHz crystal for $15
[21:44] <fsphil> eek
[21:44] <fsphil> it might be cheaper to get an 8mhz one and divide
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[21:44] <fsphil> I say that like I know how to do it :)
[21:45] <nigelvh> What chip you using?
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[21:46] <fsphil> I'm gonna try making a 6502-based board
[21:46] <nigelvh> Oh, then you're on your own.
[21:46] <nigelvh> What's the max speed of that chip?
[21:47] <nigelvh> Digikey has both 1.8432MHz and 2MHz chips at reasonable cost.
[21:47] <fsphil> I believe it can run up to 8mhz at 3.3v
[21:47] <gonzo__> was there not a microcontroler with 6502 core?
[21:48] <gonzo__> 6809?
[21:48] <fsphil> 6502 is just a processor
[21:48] <gonzo__> yep, remember them well
[21:49] <gonzo__> but there was another chip min the family with some extra peripherals on?
[21:49] <fsphil> they don't have any gpio lines, which is scary. I can just about figure out how to wire up a ROM chip :)
[21:49] <gonzo__> 74138 as an address decode and some D type latches for the i/o
[21:50] <fsphil> it's mostly an educational thing
[21:50] <gonzo__> and a 6522 for the uart
[21:50] <fsphil> and at the end I might have a 6502-based payload
[21:50] <fsphil> ah the VIA chips
[21:51] <gonzo__> yep, I ge a warm feeling of nostalgia as I chuck stuff like that in the bin
[21:51] <fsphil> lol
[21:51] <fsphil> I've yet to reach that stage
[21:51] <gonzo__> just empltying the loft to beef up the insulation. and found my old 8bit micro
[21:51] <gonzo__> an oric Atmos
[21:52] <fsphil> never heard of that one
[21:52] <gonzo__> now need to find an analogue TV to see if it still works
[21:52] <Lunar_Lander> mclane, still there?
[21:52] <gonzo__> the next up from the oric 1
[21:53] <gonzo__> (named after Orac in Blake7)
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[21:53] <fsphil> not watched that either sadly
[21:53] <nigelvh> fsphil, a cheap divider would be a serial in parallel out shift register.
[21:54] <fsphil> how would I interface it to the processor though?
[21:54] <fsphil> it basically does everything though the memory bus
[21:55] <nigelvh> Well, crystal goes on the serial in, and your divided clock signal comes out from one of the parallel pins. You choose which one based on what division you want. As for where it goes into the micro, it should go in exactly where a crystal would go in.
[21:55] <fsphil> aah, for the clock
[21:55] <nigelvh> Yes
[21:56] <fsphil> for some reason I'd jumped ahead to uarts
[21:56] <nigelvh> Simple and cheap divider
[21:57] <Lunar_Lander> mclane, I think you and others asked how my payload computer looks in the payload box
[21:57] <Lunar_Lander> here it is http://s.gullipics.com/image/3/5/v/5yvpm2-kk84rp-ykzu/IMG6563.jpeg
[22:00] <fsphil> snug
[22:00] <fsphil> remember to add support to that gps module
[22:00] <Lunar_Lander> yes
[22:00] <fsphil> also keep wires a good distance from the gps antenna
[22:01] <Lunar_Lander> yea
[22:01] <Lunar_Lander> is the coax for the antenna OK?
[22:01] <fsphil> anything metal. if it's too near it will change the antenna properties
[22:02] <mclane> Lunar_Lander: yes I am back
[22:02] <fsphil> is your antenna horizontal?
[22:02] <Lunar_Lander> yes
[22:02] <fsphil> I'd strongly suggest keeping it vertical
[22:03] <Lunar_Lander> the NTX2 antenna?
[22:03] <fsphil> as that spins you'll keep loosing the signal
[22:03] <fsphil> yea
[22:03] <Lunar_Lander> OK
[22:03] <Lunar_Lander> so like having it run towards the bottom of the box?
[22:03] <fsphil> out the bottom is what most people do
[22:03] <mclane> yes, strongly recommended
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[22:03] <Lunar_Lander> OK
[22:04] <Lunar_Lander> then it will be out of the way with the GPS as well
[22:04] <fsphil> http://www.flickr.com/photos/fsphil/5642986472/
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[22:04] <fsphil> remember you need a ground plane too
[22:04] <chrisstubbs> fsphil how do you make such a tidy job of untangling the coax sheild?
[22:04] <fsphil> you don't appear to have one atm
[22:05] <fsphil> zen level patience :)
[22:05] <fsphil> and a pair of tweesers
[22:05] <chrisstubbs> ah thats what i did wrong, ended up with more copper on the floor than on the antenna
[22:05] <mclane> look here: http://www.stratosphaere.net.com/images/ballon/behaelter1.JPG (upside down)
[22:05] <Lunar_Lander> the ground is the zebra wire
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[22:06] <fsphil> chrisstubbs: I have to admit, in my last flight I cut the radials to about half that length, and soldered on some wire
[22:06] <Lunar_Lander> link doesn't work
[22:06] <chrisstubbs> remove the .com
[22:06] <Lunar_Lander> ok
[22:07] <chrisstubbs> fsphil mine are just soldered straight on, hope it works okay
[22:07] <fsphil> it should be fine
[22:07] <Lunar_Lander> yea
[22:07] <fsphil> I was being overly protective on that flight, as the previous one the antenna failed horribly
[22:07] <fsphil> I think it fell apart
[22:08] <fsphil> so that one had no joins at all
[22:09] <Lunar_Lander> yeah I was told that one wire connected to ground and perpendicular to the TX wire is OK
[22:09] <mclane> Lunar_Lander: try here: http://www.stratosphaere.net/images/ballon/behaelter1.jpg
[22:09] <Lunar_Lander> yeah that worked
[22:09] <fsphil> you need at least two ground radials Lunar_Lander
[22:09] <Lunar_Lander> OK
[22:09] <fsphil> four is better
[22:10] <fsphil> you can just tape the radials to the bottom of the box
[22:10] <Lunar_Lander> OK, in an X shape like that?
[22:10] <Laurenceb_> http://i.imgur.com/VgItZ9O.jpg
[22:13] <Lunar_Lander> XD
[22:13] <mclane> see here: http://www.stratosphaere.net/index.php/de/m-konstruktion/m-behaelter#
[22:13] <Lunar_Lander> I only hope that my colleague Richard did watch out rightly
[22:13] <Lunar_Lander> the styrofoam can tear where the wire pulls at it
[22:14] <Lunar_Lander> he put shrinking tube on the wire where the wire sticks through the foam
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[22:15] <chrisstubbs> Is there a problem terminating coax like this: http://flic.kr/p/dREJhe Not amazing but i didnt know what else to do!
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[22:17] <jonsowman> well it's not optimal but probably fine
[22:17] <jonsowman> what pwoer?
[22:17] <chrisstubbs> 10w max
[22:17] <jonsowman> yeah it'll be OK, the centre conductor is OK?
[22:18] <Darkside> depends on the frequency really
[22:18] <Darkside> SO239s are crap for anything >200Mhz anyway
[22:18] <jonsowman> true
[22:18] <chrisstubbs> yeah thats soldered on perfectly, i just had no idea what you were supposed to do with the outer!
[22:18] <chrisstubbs> poor investment on my side for 430 then! haha
[22:18] <Darkside> BNCs are way better
[22:18] <jonsowman> chrisstubbs: well you want a cable mount connector instead of a penl mount one
[22:18] <jonsowman> *panel
[22:19] <jonsowman> but if you decide to chop it off and do it again, use BNC or SMA
[22:20] <chrisstubbs> cant wait to see what my range is like tracking this saturday launch, im excited
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[22:27] <mclane> gn all
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[22:27] <chrisstubbs> im off too, night
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[22:32] <Lunar_Lander> fsphil, there is a minor problem bte
[22:32] <Lunar_Lander> btw
[22:32] <Lunar_Lander> the coax is soldered to the NTX2
[22:32] <Lunar_Lander> and the board cannot be inserted into the box until the camera is put into it
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[22:35] <Lunar_Lander> fsphil, also here http://s.gullipics.com/image/1/n/g/5yvpm2-kk86ju-t3xi/IMG6565.jpeg
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[22:48] <Laurenceb_> hehe
[22:48] <Laurenceb_> that looks similar to some of my payload
[22:48] <Laurenceb_> s
[22:50] <Lunar_Lander> yea
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[22:54] <mattbrejza> ooh someones flying at cusf on sat?
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[23:02] <Laurenceb_> http://lunduke.com/?page_id=2646
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[00:00] --- Wed Feb 6 2013