highaltitude.log.20140401

[00:00] <K5KXF> ahh indeed thank you
[00:03] <aadamson> anyone here tonight (early morning), that might know... if I just want to get an nmea fix from a new ublox max7, can I just listen at 9600 baud until it gets a lock? Or do I need to do anything else?
[00:05] <jdoePT> it should be just wait, it may take up to 12 minutes to lock (but normaly much less) under clear sky
[00:07] <K5KXF> first time start up could take much longer
[00:07] <adamgreig> also if you don't tell it to go into airborne mode then it won't keep that lock above some altitude
[00:07] <aadamson> yeah it's brand new and I'm still debugging the board, so I'll look at that in a bit
[00:07] <aadamson> yeah knew that part adamgreig - thanks
[00:10] <K5KXF> yeah waiting for the first lock not knowing if the board works can be fustrating
[00:11] <K5KXF> doing it outside is best of course
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[00:14] <jdoePT> K5KXF what do you use for tracking?
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[00:16] <K5KXF> I'm in the US and I use a 5 watt BigRedBee tracker because they sponsor us
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[00:16] <K5KXF> I've used Arget Data Systems as well
[00:17] <K5KXF> But these are far to big heavy and wronk for UK floater I'm planning
[00:19] <K5KXF> Right now I'm working as of today with DL7AD on a floater tracker
[00:20] <jdoePT> i'm building a small tracker using aprs
[00:21] <K5KXF> have some info on it?
[00:21] <jdoePT> have you found a pressure sensor able to measure deep down to zero ?
[00:21] <jdoePT> no saturation?
[00:22] <K5KXF> yeah I can find it for you
[00:23] <K5KXF> MEAS MS5011
[00:24] <K5KXF> tested to just over 100k
[00:24] <K5KXF> so far
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[00:25] <K5KXF> not sure it's the right voltage for your design
[00:25] <K5KXF> you doing UK APRS or US?
[00:29] <jdoePT> APRS in Portugal
[00:29] <jdoePT> 144.800
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[00:37] <K5KXF> You flying it Fraiday?
[00:38] <K5KXF> Friday lol
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[00:52] <jdoePT> yes
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[01:13] <aadamson> wooo hooo, we have a fix, took about 2 mins :)
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[01:52] <Mack> Hello
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[05:50] <x-f> heh, nice, SP3OSJ/23 has regained its previous altitude!
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[06:02] <jcoxon> wow go SP3OSJ
[06:03] <Reb-SM3ULC> WTF?
[06:03] <jcoxon> its still flying!
[06:04] <Reb-SM3ULC> wow
[06:04] <Reb-SM3ULC> these balloons seem two be very stubborn
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[06:27] <amell> impressive sp3osj has gone and floated again.
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[06:56] <cm13g09> live predict seems to say China
[06:56] <cm13g09> assuming it gets that far!
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[07:09] <fsphil> looks like a bird roosted on it for the night
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[07:36] <Laurenceb> http://www.theregister.co.uk/2014/04/01/bt_tower_to_be_replaced_by_3d_printed_bt_tower/
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[07:37] <LeoBodnar> good evening
[07:37] <UpuWork> afternoon
[07:41] <daveake> morning
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[07:48] <LeoBodnar> daveake: fool me once, shame on you, fool me twice... ehhh
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[07:55] <gonzo__> any avdance on morning?? Hopw about 'really must get to bed and stop tatting with this code' ?
[07:57] <cm13g09> Laurenceb: brilliant :)
[07:57] <cm13g09> Anyone seen Google's?
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[09:42] <Laurenceb__> need more receivers
[09:42] <Laurenceb__> LeoBodnar: you seem to have some competition :P
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[09:45] <Laurenceb__> 72hours flight time
[09:46] <BalYOLO> Looking to launch around 11.30
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[09:58] <gonzo__> BalYOLO, what's the nimonal freq for this flight?
[09:58] <gonzo__> nominal
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[10:18] <tjanos_hg5apz> good afternoon
[10:18] <tjanos_hg5apz> Here is the visibility profile of the SP3OSJ balloon, based on heywhatsthat calculator. Budyonnovsk, 200m, to the Kaspian See, the balloon is on 6000 m. The distance is more than 300 km.
[10:18] <tjanos_hg5apz> Hope, the link is working: http://www.heywhatsthat.com/bin/profile-0904.cgi?src=profiler-0904&curvature=1&axes=1&los=1&metric=1&freq=430&refraction=&exaggeration=2&pt0=44.746733,44.165039,ff0000,200&pt1=44.590467,48.427734,,6000
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[10:30] <BalYOLO> BalYOLO up in the air
[10:30] <daveake> balyolo up now
[10:33] <mfa298> doesn't look like a lot of data coming in
[10:35] <mfa298> I knew I should have left the radio psu on this morning before I left...
[10:36] <fsphil> better ascent rate this time
[10:38] <mfa298> and the telemetry looks to be working. just not many receivers
[10:38] <daveake> what freq is this at?
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[10:40] <mfa298> somewhere between 433.9 and 434.7 I'd guess (or wherever the ism band limits are)
[10:40] <daveake> damn I've been looking in the wrong place :/
[10:40] <daveake> BalYOLO What frequency please?
[10:40] <mfa298> nothing obvious on the mailing list
[10:41] <BalYOLO> 434.5 daveake
[10:41] <daveake> Yeah I checked there first
[10:41] <daveake> ta
[10:41] <daveake> Just a carrier here
[10:41] Action: daveake switches off his own tracker
[10:41] <daveake> ok I see it
[10:42] <fsphil> hah
[10:42] <daveake> autoconfig is wrong, again
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[10:43] <daveake> shift is about 573, not 500
[10:44] <daveake> woohoo a green
[10:45] <daveake> Need to get a decent aerial setup here
[10:45] <fsphil> any rules on antennas?
[10:45] <daveake> nope
[10:45] <daveake> however overhead power lines
[10:46] <eroomde> bottom of the garden?
[10:46] <daveake> that's where the lines are
[10:46] <fsphil> got a chimney?
[10:46] <eroomde> scam mast?
[10:46] <daveake> No chimney just a flue thing for the woodburner
[10:46] <daveake> scam it will be
[10:46] <daveake> I can put it up to the side of the house
[10:47] <daveake> next to where the shac^h^h^h^h man-shed is going
[10:47] <daveake> *near* the side of the house not "to"
[10:47] <UpuWork> oh look at that daveake
[10:47] <UpuWork> the man from Ardupilot responds
[10:47] <daveake> ooer
[10:47] <daveake> just a mo
[10:48] <UpuWork> haha yeah that answers it
[10:48] <UpuWork> their atmospheric models don't work above 20km
[10:48] <daveake> hah what I said then :)
[10:48] <fsphil> oops
[10:48] <UpuWork> brb taco time
[10:48] <daveake> lol
[10:49] <UpuWork> after lunch
[10:49] <daveake> after siesta
[10:49] <fsphil> how dare you let facts get in the way of 2000 people
[10:50] <eroomde> what is the latest on maxigate?
[10:50] <eroomde> mexigate*
[10:52] <UpuWork> the Ardupilot they use defaults to using the barometric pressure sensor for altitude
[10:52] <UpuWork> not GPS
[10:52] <UpuWork> and the model for atmosphere in the code is basic and is only accurate for low altitudes
[10:52] <UpuWork> i.e < 2km
[10:53] <UpuWork> thats from the Ardupilot dev
[10:54] <eroomde> so the mexicans have confirmed it was baro pressure?
[10:54] <eroomde> or do they just not know, they used arduipilot used by PROFESSIONAL
[10:54] <UpuWork> no they haven't
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[10:54] <UpuWork> 2000 people Ed
[10:55] <eroomde> that many people can't be wrong
[10:55] <eroomde> just look at Jonestown
[10:55] <UpuWork> indeed
[10:56] <Laurenceb__> this is very weird
[10:56] <UpuWork> individually people are dumb. In groups people are dumber
[10:56] <Laurenceb__> i have an problem with fat32 timestamps on linux
[10:56] <Laurenceb__> they are set to UTC all the time
[10:56] <Laurenceb__> then corrected by nautilus, so it looks fine
[10:56] <Laurenceb__> but when i share with windows its off by an hour
[10:57] <Laurenceb__> mdir shows the issue
[10:57] <Laurenceb__> TIME TXT 30 2014-04-01 10:52 time.txt
[10:57] <Laurenceb__> something i just saved
[10:57] <eroomde> timezones are a hard problem in programming
[10:57] <eroomde> i'd much rather everything was just UTC
[10:57] <eroomde> the end
[10:57] <eroomde> or maybe Julian date
[10:57] <fsphil> I don't think fat32 stores timezone at all?
[10:58] <Laurenceb__> it doesnt
[10:58] <Laurenceb__> its supposed to be "local time"
[10:58] <Laurenceb__> i fixed this last summer....
[10:58] <fsphil> does that include DST?
[10:58] <Laurenceb__> i forgot how
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[11:00] <mfa298> sounds like a good lesson for having some sort of documentation (e.g. engineers notebook or proper systems documentation)
[11:01] <eroomde> does it?
[11:02] <Laurenceb__> actually i fixed it last year and the fix no longer works
[11:02] <Laurenceb__> wtf
[11:02] <Laurenceb__> hmm maybe hack the timestamps manually
[11:02] <mfa298> spending hours solving the same problem twice sounds like wasted time. even a few notes as to how it was fixed or the link to a webpage with a working fix would save that effort the 2nd time around.
[11:03] <Laurenceb__> only the fix i made first time around is now broken
[11:04] <Laurenceb__> and its important as its used for synchronising stuff :S
[11:04] <Laurenceb__> http://ubuntuforums.org/showthread.php?t=1234471
[11:04] <Laurenceb__> Changing to "UTC=no" in /etc/default/rcS corrected the issue.
[11:04] <Laurenceb__> that worked for me same time last year...
[11:05] <mfa298> you'll probably need a reboot after changing that file (hopefully I'm pointing out the obvious)
[11:07] <Laurenceb__> seems thats not the problem :-/
[11:07] <Laurenceb__> ill have to write a script to automatically hack the timestamps
[11:09] <daveake> BalYOLO How long is the cord from balloon to payload? Signal is waving around like mad here
[11:09] <fsphil> how close to 434.500 is it?
[11:10] <BalYOLO> Around 3m..
[11:10] <daveake> too short
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[11:10] <daveake> fsphil about 3k over but not sure my FCD+ calibration is good
[11:10] <daveake> ok signal a lot stronger now
[11:11] <daveake> probably cleared the hill or neighbour's roofline
[11:12] <gonzo__> I had to wind the filder widths out to cope with the FMing
[11:12] <daveake> I would have but the signal was too weak, with gaps
[11:12] <fsphil> 530hz shift?
[11:12] <fsphil> 540 even
[11:12] <daveake> yeah shift is dropping
[11:12] <fsphil> yea got it
[11:13] <daveake> you're doing well then
[11:13] <fsphil> definitly 7n2?
[11:13] <daveake> below your horizon according to the map
[11:13] <daveake> That's what I have
[11:13] <fsphil> not decoding yet but it's clear on the waterfall
[11:13] <daveake> turn your payload off? :p
[11:13] <fsphil> hah
[11:13] <fsphil> already thought of that
[11:14] <daveake> I had my Pi board on with NTX2 enabled but no tracker running
[11:14] <fsphil> I left the pava board on the programmer, so easy to reflash with without the code to power on the radio
[11:14] <daveake> Well this one isn't going to float
[11:14] <daveake> wavy again
[11:15] <fsphil> yes quite drifty
[11:15] <BalYOLO> daveake what is the reason for the very long cords? Will it reduce swinging?
[11:15] <fsphil> getting partial strings
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[11:15] <daveake> Increases the period and reduces the angle
[11:15] <daveake> so less fading
[11:16] <fsphil> reduces the risk of the payload bouncing up and impacting the balloon too
[11:16] <daveake> also when the balloon or chute gets stufck at the top of a tree, the payload may still be reachable
[11:16] <BalYOLO> ah ok, cheers
[11:16] <fsphil> I always use at least 10m of cord
[11:16] <daveake> smoother video too
[11:17] <daveake> Yes I use 5m (upper) and 10m (lower) though some reverse those
[11:17] <fsphil> weak and wobbly again
[11:17] <daveake> yup
[11:18] <fsphil> is it making that turn on the map?
[11:18] <fsphil> I can't have the map opened atm
[11:18] <daveake> just completed the turn I think
[11:19] <daveake> btw I bought "Backcountry Navigator Pro" for my Android phone and tablet. A few £ and uses free OS mapping (optionally) stored locally
[11:19] <daveake> Works very nicely
[11:20] <gonzo__> frequency seems quite stable now, bit of fm'ing, but niot the usual slow drift
[11:20] <gonzo__> a new ntx2 with tcxo?
[11:20] <fsphil> shift has dropped to 420hz
[11:20] <fsphil> er, 520
[11:20] Action: fsphil fails at typing
[11:20] <daveake> * fsphil goes to number school
[11:21] <SpeedEvil> https://www.youtube.com/watch?v=qjOZtWZ56lc
[11:21] <fsphil> I came 0st in my class
[11:21] <fsphil> yay first green
[11:21] <gonzo__> that's no good. It doesn;t count
[11:21] Action: cm13g09 lols at Freenode April 1st Joke
[11:22] <gonzo__> so you're number's up?
[11:22] <BalYOLO> Altitude bets?
[11:22] <fsphil> is it a mexican tracker?
[11:22] <daveake> lol
[11:22] <fsphil> how many people are watching?
[11:22] <daveake> thousands
[11:23] <daveake> and are you an NSA collaborator? :)
[11:23] <gonzo__> the joke os on freenode, it was after noon
[11:23] <gonzo__> is
[11:23] <fsphil> daveake: they said that?
[11:24] <daveake> NASA
[11:24] <fsphil> ah, phew
[11:24] <daveake> :)
[11:24] <daveake> But that's just a cover :)
[11:24] <fsphil> thought my secret was out there for as second
[11:24] <daveake> oops
[11:24] <fsphil> -s
[11:24] <fsphil> -whole line
[11:24] <daveake> -career
[11:25] <fsphil> hey what could go possibly go wrong. worked for RSA
[11:26] <daveake> burst
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[11:27] <Student> Does anyone have xp with including this http://en.pudn.com/downloads173/sourcecode/embed/detail803404_en.html
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[11:39] <fsphil> ah so it has
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[11:40] <fsphil> I only got a single line. weird
[11:42] <craag> Looks like it's spinning right now
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[11:43] <craag> 28dB s/n but fast deep fades at about 0.8hz
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[11:45] <Laurenceb__> http://www.theregister.co.uk/2014/04/01/nsa_plans_range_of_free_cloud_services_data_analytics/
[11:45] <Laurenceb__> lolz
[11:45] <tjanos_hg5apz> On this modell we can see the vertical (y) axis extended/larged in 10 times. This is the SP3OSJ fligh over the Kaspian see. If the balloon lost its altitude, it will go down bellow the horizont from view of RV6FW http://www.heywhatsthat.com/bin/profile-0904.cgi?src=profiler-0904&curvature=1&axes=1&los=1&metric=1&freq=430&refraction=&exaggeration=10&pt0=44.746733,44.165039,ff0000,200&pt1=44.590467,48.427734,,6000 The ques
[11:48] <daveake> That's landing a tad fast
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[11:56] <junderwood> Last partial
[11:56] <junderwood> $$$$$BALYOLO,434,11:51:26,51.989184,-0.494301,401,,0,08*Ba
[11:56] <gonzo__> I spire 11kv lines
[11:56] <gonzo__> spie
[11:56] <Laurenceb__> http://hackaday.com/2014/04/01/e-waste-quadcopter-lifts-your-spirits-while-keeping-costs-down/#more-118623
[11:56] <Laurenceb__> april fools
[11:57] <gonzo__> spy even
[11:57] <mfa298> looks like some nice open fields and a railway line with trees for it to be attracted to.
[11:58] <daveake> Trains to London delayed - wrong kind of HAB on the line
[11:58] <gonzo__> BalYOLO, any plans to chase/recover this?
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[12:18] <fsphil> 22.2km doesn't seem very high, was it a small balloon?
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[12:29] <mfa298> last time they flew it was something like a 600g balloon with a >1kg payload
[12:32] <fsphil> ah that would make sense
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[12:35] <amell> is someone recovering balyolo?
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[12:38] <mfa298> they were, but as it's now on the ground (or in a tree/ on a train) its range will be limited.
[12:39] <mfa298> I assume it's being chased so they might be receiving it locally - but I'm not sure they uploaded any data themselves (lack of mobile internet maybe)
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[13:13] <fsphil> they should be pretty close to recovering this by now
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[13:23] <mfa298> would be nice if the chase car had 3g so uploaded telem data and its own position (assuming it has been chased)
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[13:28] <mfa298> maybe habitat/snus should have require credits to use for a flight. with credits either costing lots of money or gained by being involved on irc
[13:29] <adamgreig> you think so?
[13:30] <mfa298> not a totally serious suggestion but it would be nice for people using the system to be involved as well (as most people already are)
[13:31] <adamgreig> probably restricting usage to people already involved is not the best way to encourage people to become involved
[13:31] <adamgreig> I think it tends to work the other way
[13:35] <mfa298> the counter argunment is that there appears to be a high correlation between payloads that fail in very obvious ways and teams that only (sometimes) appear on irc when they're launching.
[13:35] <SpeedEvil> Lurk for 52 weeks first.
[13:36] <mfa298> although that's probably also a high correlation with university project teams as well (as opposed to university societies)
[13:36] <adamgreig> yes, I think there is a third correlating factor here which is actually doing the causation
[13:37] <adamgreig> there are plenty of launches that fail in obvious ways despite people appearing on here
[13:37] <adamgreig> and plenty of launches that do not fail despite people not appearing on here
[13:37] <adamgreig> I think observations are biased by most launches not being someone's first
[13:37] <adamgreig> we see a lot of launches, most by experienced people
[13:38] <adamgreig> most first-launches are a) bad b) by people who are (almost by definition) not regulars here
[13:38] <adamgreig> probably other things too!
[13:38] <adamgreig> not sure what the best move is though
[13:41] <mfa298> I'm not sure there is a simple way of changing it.
[13:42] <adamgreig> probably not the most useful thing to worry about either
[13:42] <adamgreig> if some university project teams screw up because they didn't do their research or their testing, then, well
[13:42] <adamgreig> that's on them
[13:42] <adamgreig> if they ask for help there is plenty being given
[13:42] <eroomde> also some people just know what they're doing, from a design pov
[13:42] <eroomde> and some people seem to not
[13:42] <mfa298> there's probably lots of things that can be done but they could be lots of effort (e.g. regular comments about it being hard to find stuff on the wiki)
[13:42] <eroomde> design and operations*
[13:57] <g0pai_ian> I knew/know nothing and arrived here after a HAB project was identified as being a good idea by a member of a group. To date most of the group seem to fall into the category of noisy/interfering spectators. Those that search will find. Those that don't will forever remain ignorant and are unlikely to arrive here from their own endeavours.
[13:57] <eroomde> basically true of life
[14:00] <BalYOLO> Payload recovered, thanks for tracking guys
[14:00] <eroomde> pics?
[14:00] <BalYOLO> just going through stuff now
[14:00] <eroomde> cool
[14:00] <eroomde> all happy?
[14:01] <BalYOLO> Yep, all good - may go for bigger balloon next time
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[14:02] <eroomde> yeah, pretty low burst again
[14:02] <eroomde> i'd just grab a bunch of 1600g ones
[14:03] <eroomde> everything looks much better once you get above 30km
[14:03] <eroomde> assuming there's an element of marketing to this endevour
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[15:01] <student> Hi is there someone here who could answer a really dumb q : i'm using a pic18f4520 pickit 3 c18 and i get a syntax error on char buffer[50];
[15:01] <eroomde> what is the line above?
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[15:01] <student> Delay100TCYx(255); already tried commenting them out
[15:02] <eroomde> and more specifically, have you definitely put a semicolon at the end of the line above?
[15:02] <eroomde> oh
[15:02] <eroomde> hmm
[15:02] <eroomde> can you copy/paste the whole chunk of code?
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[15:02] <student> uhm ye i'll pastebin the function
[15:02] <Miek> and the error?
[15:02] <eroomde> and the error yes
[15:03] <eroomde> it could be that you're not declaring at the start of the block
[15:03] <eroomde> some c compilers don't like that
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[15:03] <eroomde> and i think the ansi C standard doesn't like that
[15:03] <student> http://pastebin.com/kyYbq6EC
[15:03] <eroomde> but the gnu extensions are quite happy with it
[15:03] <eroomde> but PICs being non-gnu, the compiler might complain
[15:04] Nick change: daveake1 -> daveake
[15:04] <student> C:\Users\Dries\MPLABXProjects\HAB_v1.X\Main.c:40:Error: syntax error thats the error
[15:05] <eroomde> can you move the char buffer[50] line to the top of that function and try again?
[15:05] <student> Oke i'll try
[15:05] <student> Uhm ok that seems to fix it, weird that he doesn't want to compile that when it's not on top
[15:06] <cm13g09> student: no.... not weird at all
[15:06] <eroomde> oh maybe it's not wierd
[15:06] <eroomde> it's part of the C89 standard
[15:06] <cm13g09> exaclty eroomde
[15:06] <eroomde> it's just gnu tools (like gcc, if you've used that) are happy to comply
[15:06] <student> Ye have used gcc
[15:07] <eroomde> there you go
[15:07] <student> Oke thanks good to know that
[15:07] <eroomde> standards noncompliance can make fairies die
[15:07] <adamgreig> you can probably have your pic compiler use C99
[15:07] <adamgreig> which does permit variable declaration not at the top of functions
[15:07] <adamgreig> but if I were you I'd keep it there at the top
[15:08] <student> Ye i'll just remember it for now
[15:08] <eroomde> it's kinder to other humans who might work on the code, usually
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[15:09] <eroomde> although i have no objection at all to things c99 permits like declaring a variable inside a for loop
[15:09] <fsphil> a few exceptions being a temporary variable for a for() loop
[15:09] <fsphil> one being*
[15:09] <eroomde> so for example, in your c18 thing, this will probably fail: for(int i = 0; i < 10; i++)
[15:09] <fsphil> that's the one
[15:09] <eroomde> but c99 allows it, and i think that's quite nice
[15:09] <adamgreig> how does that get scoped though?
[15:10] <adamgreig> can you access i after the loop?
[15:10] <eroomde> you'd have to declare int i = 0 at the top
[15:10] <adamgreig> well no
[15:10] <adamgreig> int i; at the top
[15:10] <fsphil> i is only valid inside the { }
[15:10] <adamgreig> for(i=0; i<10; i++)
[15:10] <eroomde> oh sure
[15:10] <eroomde> yes
[15:10] <fsphil> if it's declared in the for() bit
[15:10] <eroomde> i just habitually give my c variables a default value when i declare them
[15:11] <student> Ye i'm used to for(int i = 0; i < 10; i++) but i also learned that i had to declare them above
[15:11] <eroomde> so basically it's all down to c standards
[15:11] <eroomde> c89 vs c99
[15:11] <adamgreig> gcc doesn't allow for(int i=0..) by default does it?
[15:11] <adamgreig> have to be doing -std=c99
[15:11] <fsphil> not by default no
[15:12] <eroomde> hrm, don't recall now you mention it. i'm sure i declare it inline and don't remember giving it tat flag
[15:12] <adamgreig> test.c:2:5: error: for loop initial declarations are only allowed in C99 mode
[15:12] <adamgreig> etc
[15:14] <eroomde> student: are you working on a student project?
[15:15] <student> Uhm yes i'm working on my project
[15:15] <eroomde> awesome
[15:15] <eroomde> university?
[15:16] <student> Bachelor test , college
[15:17] <eroomde> nice
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[15:17] <student> Ye it's fun but it's pretty low lvl that i have to work not really used to it anymore
[15:17] <eroomde> lots of people here who started this as students
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[15:20] <eroomde> what stage is your payload at?
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[15:23] <student> I got all the hardware together now writing the software
[15:23] <student> But my cpu changed last minute from a avr to a pic
[15:24] <fsphil> what reason?
[15:24] <LeoBodnar> it's a win
[15:25] <eroomde> :)
[15:25] <sp2ipt_> yeah right - last minute changes at the end are great :P
[15:25] Nick change: sp2ipt_ -> sp2ipt
[15:25] <eroomde> so long as it's not picaxe
[15:25] <student> reason i think school promoter doesn"t want us to use a avr tbh but they say the avr is not obtainable
[15:25] <fsphil> that's... odd
[15:25] <Laurenceb__> only use of picaxe is rs232 db9 to stereo jack connectors
[15:26] <eroomde> what is a school promoter
[15:26] <LeoBodnar> are you LL?
[15:26] <eroomde> why do they have design input?
[15:26] <eroomde> in what universie are AVRs not a $2 chip for next-day delivery from digikey?
[15:26] <student> Thats why i wonder aswell
[15:26] <eroomde> kill him
[15:26] <eroomde> but PICs are fine anyhoo
[15:26] <student> But ye the school promoter is kinda like the "boss" of your company
[15:27] <fsphil> I don't let my boss decide what tools I use :)
[15:28] <eroomde> so is he a team leader for this project?
[15:28] <eroomde> (i'm just curious)
[15:28] <student> Sort of yes :) but he's abscent alot
[15:29] <eroomde> a trainee boss
[15:29] <eroomde> oh well
[15:29] <eroomde> what are you using for telemetry?
[15:29] <Laurenceb__> what do you mean sort of
[15:29] <Laurenceb__> if he is absent a lot he is a professional boss
[15:30] <student> Well the rest of the hardware is a rfm22b (not my choice either) ,a ds18b20 and a neo 7 m/n
[15:30] <Laurenceb__> if he is absent at the country club, then even more so
[15:30] <Laurenceb__> http://www.youtube.com/user/skr33d
[15:30] <Laurenceb__> ^wtf
[15:31] <Laurenceb__> someone forgot to matlab/ /dev/dsp
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[15:33] <DL7AD> morning
[15:33] <eroomde> student: when are you hoping to launch?
[15:35] <student> Ye we won't i think, we just gonna make it and done i'm afraid
[15:35] <eroomde> ...
[15:35] <eroomde> launch the damn thing!
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[15:35] <eroomde> just do it as a personal project
[15:35] <eroomde> fly a college mascot
[15:36] <student> Don't think we just can here where i live
[15:36] <eroomde> where's that?
[15:36] <eroomde> east coast?
[15:36] <student> Belgium
[15:36] <eroomde> oh
[15:37] <eroomde> i'm sure there have been some belgian habs
[15:37] <eroomde> hmm maybe not
[15:37] <eroomde> probably dutch
[15:37] <eroomde> belgian habs would presumably require approval from 14 different aviation authorities
[15:37] <eroomde> and 9 mayors
[15:37] <eroomde> in 2 languages
[15:37] <daveake> There was that "rescue by ship that I happened to have hanging around waiting" one ... wasn't that Belgium?
[15:37] <eroomde> i thought that was tim
[15:37] <eroomde> but i don't keep up anymore
[15:38] <daveake> could be I don't recall exactly
[15:38] <student> I would have no clue we already tried to contet the authorities : only in the morning and they don't answer what so ever
[15:38] <eroomde> keep trying
[15:39] <eroomde> people in authorities often require a couple of phone calls for them to realise that you're serious
[15:39] <student> They don't pick up
[15:39] <eroomde> that's a bit rubbish
[15:39] <eroomde> ok, get a ferry/eurostar over to the uk
[15:39] <eroomde> we'll launch it for you
[15:39] <student> Ye we were thinking that
[15:39] <eroomde> you can come and use one of our launch sites
[15:39] <eroomde> we've got loads of trackers
[15:39] <eroomde> we do good bacon sandwiches
[15:40] <daveake> +1
[15:40] <daveake> bring money and chocolate waffles
[15:40] <eroomde> why money?
[15:40] <student> chocolate waffles << chocolate and waffles maybe :D
[15:40] <daveake> ok beer and waffles
[15:40] <eroomde> works for me
[15:41] <student> But need to get this stuff working first and openlog is not rly working with me
[15:41] <eroomde> but seriously, you'd be welcome to come over here
[15:41] Nick change: DL7AD -> DL7AD_AF5LI
[15:41] <eroomde> sure
[15:41] <eroomde> i've never been 100% convinced by sparkfun stuff
[15:41] <eroomde> it's often sort of the bare minimum, and the documentation will be 'here's a forum post with an arduino code snippet!'
[15:42] <student> We first wanted to do it with SPI and a normal sd but we can't seem to get the fsio working
[15:42] <eroomde> fsio?
[15:42] <eroomde> we've certainly done sd-card + spi before with success
[15:43] <eroomde> sd cards can be quirky though
[15:43] <eroomde> you have to listen to what they shout back at you
[15:43] <student> My friend was looking in this http://ww1.microchip.com/downloads/en/AppNotes/01045b.pdf
[15:44] <eroomde> oh i see
[15:44] <eroomde> well
[15:44] <eroomde> you can just use an sd card as plain memory
[15:45] <eroomde> you just give an address to write too
[15:45] <eroomde> rather than worrying about filesystem stuff
[15:45] <eroomde> just like you would use an eeprom chip or whatever
[15:45] <eroomde> that can be much easier than trying to go down the rabbit-hole of filesystems
[15:46] <eroomde> i used to do that, and then read the data off either with the microcontroller through its serial port, or just directly with the dd command in linux
[15:46] <student> Hmm ye i can look into that but i'd like the openlog to work first
[15:46] <eroomde> sure
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[15:47] <eroomde> definitely the nicer solution
[15:47] <daveake> When I tried SD FAT on Arduino, the SD FAT library took up so much memory that I couldn't fit everything in. Gave up and did what eroomde is suggesting.
[15:48] <eroomde> yeah, FAT is aptly named
[15:48] <daveake> :)
[15:48] <eroomde> though a lot smaller if you just want one file
[15:48] <eroomde> i.e. enough to get 'data.txt' in a file browser
[15:49] <student> hmm maybe it might be better than openlog
[15:50] <student> Can't even get this thing into command mode
[15:50] <eroomde> sorry if this is obvious, but you've def got the right serial settings?
[15:53] <student> Uhm i'd think so : RCSTA = 0b10000000; TRISC &= 0b11000000; SPBRG=0x34; TXSTA=0X24; thats what i do
[15:53] <eroomde> i don't speak PIC i'm afriad
[15:53] <eroomde> LeoBodnar: might understand
[15:56] <LeoBodnar> oh dear, is this some sort of high level language?
[15:56] <daveake> haha
[15:57] <daveake> student It's been a while since I did any PIC stuff, but first off you need to look at the clock speed and decide what divider ratio you need for whatever baud rate you want
[15:59] <adamgreig> maybe you should use PICAXE ;)
[16:00] <adamgreig> SEROUT 1, N9600, (data)
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[16:04] <LeoBodnar> PICAXE is ace!
[16:04] <LeoBodnar> it's like arduino without hype
[16:05] <adamgreig> I cut my microcontroller teeth on picaxe
[16:05] <adamgreig> but I think it was the two arduinos that really made anything work
[16:05] <adamgreig> I'm reluctant to join the anti-arduino and anti-rpi and so forth brigade for similar reasons
[16:05] <adamgreig> can definitely trace my getting into embedded anything to two arduinos for christmas many years ago
[16:06] <adamgreig> maaaybe to picaxe but realistically that was not anything like as good an experience
[16:06] <adamgreig> PICAXE is great for a useful set of tasks
[16:06] <adamgreig> but it's really awful at a much bigger set of tasks
[16:07] <mattbrejza> its software serial is much better than the arduino at least :P
[16:08] <adamgreig> :P
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[16:15] Nick change: MichaelC3 -> MichaelC
[16:16] <student> daveake i should be running at 8mhz and these setting would mean a 9600 baud rate
[16:17] <daveake> Try sending soemthing out of the port and capture on a 'scope or logic analyser so you can check the timing
[16:17] <daveake> 90% of "no comms" errors are baud rate, and the other 90% are rx/tx being swapped
[16:18] <student> I already set it on a scope but i'll redo it now so i can the timing
[16:19] <daveake> On some PICs there's a clock multiplier so cpu speed <> crystal speed. Also on some you can map the uart(s) to different pins. No idea if these are possible on yours.
[16:21] Nick change: DL7AD_AF5LI -> DL7AD
[16:24] <student> daveake i see a transmission and it takes less than 1 ms to send a bit
[16:26] <daveake> should be 1/9600s of course
[16:27] <student> Hmm and i see my data comming trough :/
[16:28] <qbit> well.. replaced teh ICs on my trackuino - but it still transmits on 144.380
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[16:30] <Upu> hmm ? the trackuino TX frequency is set by the HX1
[16:34] <qbit> Upu: yeah
[16:35] <qbit> i ahve 2 hx1's - both are transmitting on 144.380
[16:35] <qbit> no idea why
[16:35] <qbit> emailed radiometrix
[16:35] <Upu> eh ? expecting 144.800 ?
[16:35] <qbit> 144.390
[16:35] <qbit> us frequency
[16:36] <Upu> oh odd
[16:36] <Upu> whats the frequency on the back ?
[16:36] <qbit> back?
[16:36] <Upu> on the crystal
[16:36] <qbit> sticker on them says 144.390
[16:36] <qbit> hm
[16:38] <qbit> 144.39
[16:39] <Upu> odd you'll be able to trim them I suspect
[16:39] <Upu> get them from Lemos ?
[16:39] <qbit> yeah
[16:39] <Upu> sigh :)
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[16:43] <K5KXF> ping fsphil
[16:45] <qbit> Upu: don't like lemos?
[16:45] <Upu> no just don't like dealing with amateurs, they let me ship into the States now
[16:47] <eroomde> Lemos are a kind of connector
[16:47] <eroomde> this is confusing
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[16:47] <qbit> Upu: amateurs as in ham types? or are you saying lemos are amateurs?
[16:47] <Upu> lol
[16:47] <Upu> amatuer hams
[16:48] <Upu> Lemos are professional US distributor
[16:48] <Upu> but if you need any more yell
[16:49] <arko> wait we arent talking about Lemo connectors?
[16:49] <Upu> no... :)
[16:49] <eroomde> apparently not
[16:49] <eroomde> we should though
[16:49] <eroomde> they're jolly good
[16:49] <arko> yeah
[16:49] <arko> quite
[16:50] <eroomde> i used the M series on something
[16:50] <eroomde> those were seriously nice
[16:50] <arko> nice
[16:50] <eroomde> but expensatron
[16:50] <arko> i like the K connectors
[16:50] <eroomde> the K series are better for day-to-day (but still weatherproof)
[16:50] <arko> i wish i could afford them
[16:51] <eroomde> they are about 0.3-0.5* the price from distributor
[16:51] <eroomde> as from farnell
[16:51] <arko> orly?
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[16:51] <eroomde> yes
[16:51] <eroomde> Hub electronics in the UK
[16:51] <arko> so wait, farnell is cheaper?
[16:51] <arko> ohh
[16:51] <arko> ok
[16:52] <arko> isnt farnell a distributor?
[16:52] <eroomde> also get all the amphenol milspec stuff from them, which is my default
[16:52] <arko> 4M looks damn nice btw
[16:52] <eroomde> yep
[16:52] <eroomde> farnell is a distributor i guess but for for more stuff at low qts
[16:52] <eroomde> it's more like digikey
[16:52] <arko> http://www.lemo.com/sites/default/files/m_series_h400.jpg
[16:52] <arko> look at that
[16:52] <arko> man
[16:53] <arko> thats art
[16:53] <arko> ah
[16:53] <arko> so hub electronics is cheaper then
[16:53] <eroomde> yes
[16:53] <eroomde> they are doing the importing
[16:53] Action: arko notes this
[16:53] <eroomde> ad they have a much larger range than farnell
[16:53] <eroomde> they're who stock every conceivable heat-shrink boot and so on for making cables
[16:54] <arko> LEMO®, founded in Switzerland in 1946
[16:54] <arko> of course they are swiss
[16:54] <arko> i should have guessed
[16:54] <eroomde> machined from solid money
[16:54] <arko> haha
[16:54] <arko> lichtenstein has Hilti
[16:54] <arko> best damn tools ever
[16:54] <qbit> Upu: if i need any more transmitters? (soconfused :P)
[16:55] <arko> LEMO CONVERSATION HERE
[16:55] <eroomde> LEEEEEEEEEEEMOOOO
[16:56] <qbit> lol
[16:56] <eroomde> pbswisstools also make probably the best hand tools
[16:56] <eroomde> especially their 1/4 hex inserts
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[16:59] <arko> hmm
[16:59] <arko> never heard of them
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[16:59] <eroomde> expensive
[16:59] <arko> figures, never seen em at home depot
[17:00] <Upu> I sell the HX1 qbit, cheaper than Lemos
[17:00] <Upu> http://www.lemosint.com/
[17:00] <qbit> Upu: nice - are they on the correct frequency? :D
[17:01] <Upu> I do UK, US and Oz ones
[17:01] <qbit> Upu: do you have a site for sales? what is the price for a US?
[17:01] <Upu> $30 I think
[17:01] <Upu> ava.upuaut.net/store
[17:02] <Upu> I think even with postage its cheaper than Lemos , what did they sell for $70 ?
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[17:03] <qbit> nice
[17:03] <qbit> ~50 i think
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[17:06] <qbit> they don't have the -10 anymore
[17:09] <aadamson> so live and learn... when it says vddout, that doesn't mean voltage out, it means voltage in that powers the outputs... go figure... 2 pins missed on a design - blue wires to the rescue :)
[17:09] <qbit> heh
[17:10] <eroomde> that is a particularly stupid name
[17:11] <zyp> not always, sometimes it's the output from an internal regulator that then has to be decoupled and looped back into vddcore
[17:11] <myself> euuuugh.
[17:12] <myself> that's a recipe for frustration if i ever heard one.
[17:12] <zyp> you should always read the pin description for the chip you are using and not make assumptions
[17:12] <zyp> there's lots of gotchas
[17:13] <qbit> still seems really weird to me that i have 2 radios with the same offset issue
[17:14] <zyp> ST tend to do this really annoying thing on their MEMS parts where they name pins as reserved, but then you go read the description and it says shit like «reserved, do not connect», «reserved, connect to ground», «reserved, connect to vdd» or even «reserved, decouple to ground with 2.2uF»
[17:14] <zyp> I think this one chip I used once had all of those
[17:14] <zyp> and they were all just labelled as reserved on the footprint overview
[17:15] <Upu> qbit US one is available in -10
[17:16] <aadamson> yeah I did read the datasheet, all through out it talks about it being the power for the outputs (outside the chip), it's very unclear that it's actually not an output, but an INPUT. The VDD powers the Core, the VDDOout powers the *outputs* of the chip, but it's actually a POWER input.
[17:17] <aadamson> Funny thing is it talks about how much current it can source too... oh, well, live and learn
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[17:18] <Laurenceb__> aadamson: stm32f4?
[17:18] <aadamson> no, f4's are easy to deal with ...
[17:18] <aadamson> ti cdcel913's
[17:19] <Laurenceb__> ah
[17:19] <qbit> Upu: oh - cool
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[17:21] <aadamson> you know your are in trouble when you have the in unenabled mode, and you have 1.8v on the outputs - ok, about what you'd expect. Then you enable it and the outputs got to .45v... wtf...
[17:21] <aadamson> then you puzzle and figure it out... duh
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[17:31] <Willdude> Check me out http://www.speedtest.net/result/3410855324.png
[17:32] <qbit> ouch
[17:32] <Willdude> qbit, on a SOCKS proxy though
[17:32] <Willdude> My server has really good internet
[17:32] <Willdude> It's just I don't
[17:33] <qbit> ah
[17:33] <Willdude> Using a proxy just to get past the ISP blocks
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[17:34] <Willdude> I used to have a really advanced filtering program that my parents installed. It thought Upu's shop was gambling or something.
[17:34] <Willdude> If it were the hackvana website, it would be forgiveable to mistake it for gambling however
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[18:15] <Lunar_Lander> evening
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[18:25] <fsphil> evening K5KXF
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[18:30] <K5KXF> hey fsphil!
[18:31] <K5KXF> how are you today?
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[18:31] <fsphil> not too bad, how's things over yonder?
[18:32] <K5KXF> not bad some progress with Pi and NBTV
[18:32] <aadamson> sheesh you guys sound like rag chewers on 40mtrs :)
[18:33] <K5KXF> :P
[18:34] <fsphil> how about the price of milk. my back hurts.
[18:34] <fsphil> oh wait, that's 80m
[18:35] <K5KXF> buckaneer for corn
[18:35] <K5KXF> lol
[18:36] <aadamson> and if it were 2mtrs, it would *what did you have for dinner, I'm going to the pub for mine"
[18:37] <fsphil> the ghz band must be good, they're just happy to talk to anyone there
[18:39] <aadamson> yeah - pileup on any frequency abot 1ghz
[18:40] <DL7AD> does anyone know the youtube video with heavy wind at the launch?
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[18:46] <SP9UOB-Tom> evening All
[18:47] <DL7AD> hi tom :) SP9UOB-Tom
[18:47] <SP9UOB-Tom> DL7AD: hi Sven :-)
[18:47] <SP9UOB-Tom> Upu: any news about conference date :) ?
[18:50] <Upu> negative
[18:50] <Upu> will confirm soon
[18:53] <SP9UOB-Tom> Upu: ok, i want to book a flight :-) Earlier = cheaper :-)
[18:53] <Upu> I know I'm balancing dates
[18:54] <SP9UOB-Tom> Upu: sure
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[19:04] <fsphil> hopefully we'll be as lucky with the weather
[19:04] <fsphil> the day after the last one was pretty naff
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[19:42] Action: qbit stabs the hx1
[19:43] <qbit> my next step is to petition the fcc to make 144.380 the aprs frequency in US :D
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[19:45] <kc2pit> Wooooooo. KC2PIT-3 is home again after spending a night in the trees.
[19:45] <fsphil> strange that it should be so far out
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[19:46] <kc2pit> Its last intelligible APRS beacon was received as we drove up about 1300 today. I think we may have gone just a bit overboard on the batteries.
[19:47] <kc2pit> And the RF payload's GPS never got a lock, so we have to place its noise readings by comparing the arduino's uptime and barometer readings to the APRS track. Friggin' math.
[19:47] <fsphil> trees are annoying
[19:48] <eroomde> i'm loosing the ability to work in the evenings
[19:48] <eroomde> should never have bought the tv
[19:48] <kc2pit> But the knockoff gopro (excuse me, GearPro) worked beautifully through the flight. Lake Erie half covered in ice is an amazingly identifiable landmark even through the haze.
[19:49] <fsphil> eroomde: are you actually finding things to watch?
[19:49] <eroomde> no but that's not the point
[19:49] <eroomde> oh! house of cards
[19:49] <fsphil> resist!
[19:50] <fsphil> I need some way to get netflix on a big tv
[19:53] <eroomde> on tv shows, when you put in an offer on the house, you get a reply on the offer straight away
[19:53] <eroomde> real life never seems to work like that
[19:54] <fsphil> in tv land they also don't seem to need to actually pay for the house
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[20:03] <eroomde> laptop hdd fills up
[20:03] <eroomde> huh?
[20:03] <eroomde> wget -r is the culprit
[20:03] <eroomde> i forgot the --no-parent flag
[20:03] <eroomde> so it was basically wget-ing the entire internet
[20:03] <qbit> doh
[20:04] <eroomde> and i have a 100MBit net connection so that can get quite dangerous quite quickly
[20:06] <ulfr> hahaha
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[20:12] <SP9UOB-Tom> eroomde: http://www.speedtest.net/my-result/3411219556 :-)
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[20:23] <enkidu> SP9UOB-Tom: http://www.speedtest.net/result/3411239716.png
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[20:24] <eroomde> adamgreig: you're needed right about now
[20:25] <SP9UOB-Tom> enkidu: i have very slow FLASH plugin - on my desktop PC :-(
[20:26] <enkidu> same here
[20:27] <SP9UOB-Tom> enkidu: anyway i cannot find TASK on speetdest server list
[20:27] <eroomde> found it
[20:28] <eroomde> this is adam's current and my old connection
[20:28] <eroomde> http://www.speedtest.net/result/3024814049.png
[20:28] <enkidu> nice. I have 10G interface and no use of it ;/
[20:28] <enkidu> yet
[20:29] <SP9UOB-Tom> i have 1G but to my home :-) There are no 10G switches which fits into 10 inch rack :-(
[20:29] <eroomde> enkidu: run a colo centre?
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[20:30] <enkidu> : ) I have streaming servers with ethernet edge and infiniband internals
[20:31] <amell> lolz, ordered my 80Mbit fibre internet connection today, saw the BT van put a sticker on the cabinet as i drove by, and 10 mins later it was ordered. Im the first fibrenaut in the village :)
[20:32] <eroomde> which lucky village?
[20:32] <amell> the one next to elsworth :)
[20:32] <g0pai_ian> I certainly hope that the sticker works well !
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[20:33] <g0pai_ian> No, high tac adhesive though!
[20:33] <amell> do we think sp3osj is still flying?
[20:33] <amell> I see it is flying in Borat country now. hopefully.
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[20:34] <jcoxon> amell, to be honest these balloons usually run out of trackers before they come down
[20:34] <jcoxon> so we aren't really sure
[20:34] <jcoxon> i hope so
[20:34] <amell> Someone should send Borat a sdr.
[20:34] <eroomde> amell: cambourne?
[20:35] <eroomde> my geography of there is not great
[20:35] <amell> eroomde: Hilton
[20:36] <eroomde> ah cool
[20:37] <eroomde> so EARS is super easy
[20:37] <amell> I live in fear of rockets landing on my house
[20:37] <SP9UOB-Tom> enkidu: http://www.speedtest.net/my-result/3411263549 after killing some processes :-)
[20:38] <amell> decided against the fluke. overpriced. went with Amprobe AM-530 in the end. only 60 quid. should arrive thurs.
[20:39] <SP9UOB-Tom> load average: 2,66, 1,79, 1,30 ;-)
[20:40] <fsphil> but it won't be yellow!
[20:40] <eroomde> i got my fluke 2nd hand
[20:40] <eroomde> like it a lot
[20:40] <amell> yeah, been watching ebay for 2 weeks now, a second hand 87v went for £95 the other day. crazy.
[20:40] <eroomde> am tempted to make a coin-cell thing that does thermocouple-to-banana conversion
[20:41] <eroomde> to output something where, say, 1mV = 1C
[20:41] <amell> I got a fluke dual thermometer too, 30 quid. bargain.
[20:41] <amell> will balance the central heating to within an inch of its life.
[20:42] <g0pai_ian> Sibot says: that would be 25.4mm
[20:47] <Upu> Did balloololo get recovered ?
[20:48] <daveake> yes
[20:49] <Upu> cool
[20:49] <amell> Does anyone here do tracking using Mac? Have some questions if so.
[20:52] <jcoxon> amell, go for it
[20:53] <Lunar_Lander> was that the lost balloon?
[20:53] <Lunar_Lander> the one that seemed to float but was somewhere in southwest england
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[20:57] <amell> jcoxon: using gqrx and dl-fldigi - having to pipe sound from gqrx through to dl-fldigi with soundflower. Surely theres an easier way?
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[20:58] <jcoxon> nah thats the way i do it
[20:59] <jcoxon> i use LineIn to allow me to listen in as well
[20:59] <amell> the tuner panel on dl-fldigi doesnt work
[20:59] <jcoxon> no
[20:59] <daveake> Lunar_Lander No, second flight, today
[20:59] <jcoxon> well it does if you set it up with a radio
[20:59] <daveake> this one had a good ascent rate and had gps lock
[21:00] <amell> spent 15 mins at a hab launch the other day trying to get soundflower to work properly. blooming nuisance.
[21:00] <Lunar_Lander> ah
[21:00] <Lunar_Lander> that sounds good
[21:00] <daveake> It was definitely an improvement :/
[21:00] <amell> jcoxon: are there any alternatives to gqrx - this is rtl sdr.
[21:01] <jcoxon> amell, gqrx is pretty good , there is also SdrDx
[21:01] <amell> sdrdx works with rtl sticks without setting up network sdr server?
[21:02] <amell> i find network sdr brings too much latency for fine tuning.
[21:05] <mfa298> amell: using soundflower on the mac is equivalent to what most windows people do with sdr radios (sdr software, virtual sound device, dl-fldigi)
[21:05] <amell> ok. just seems very fiddly to me.
[21:06] <amell> gqrx doesnt seem to let me set soundflower as the default output device.
[21:06] <amell> which means i have to do a lot of faffing every time I change usage
[21:07] <mfa298> gqrx isn't something I've played with. With all the issues people seem to have with pulse audio on linux. I've usually gone for the easier version of boot into windows instead.
[21:08] <amell> thats certainly an option, but not very convenient if you want to leave it running all the time.
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[21:24] <sp2ipt> a thing to remember: don't touch an oscilloscope probe to working USB device connected to MS Win. A reboot is needed ;)
[21:24] <sp2ipt> actually to the XO of that device :D
[21:24] <Lunar_Lander> why?
[21:26] <sp2ipt> the device (dvb-t dongle in my case) disappears and does not reappear when reconnected (at least to the same port)
[21:29] <mikestir> It's probably nothing to do with the scope - you just need to reboot windows every 5 minutes anyway
[21:31] <sp2ipt> actually I screwed up the device clocking signal but the need to reboot is... eh.. just windows :)
[21:31] <amell> jcoxon: is this the software you mentioned? http://www.rogueamoeba.com/freebies/
[21:32] <aadamson> LeoBodnar, Upu any idea what the max7c current draw is once acquired at oh say 1.8v?
[21:33] <Upu> it varies
[21:33] <aadamson> datasheet lists everything at 3v3
[21:33] <Upu> in psm ?
[21:33] <Upu> 5-6mA
[21:33] <LeoBodnar> from tiny to massive
[21:33] <amell> to somewhere in between
[21:33] <aadamson> psm?
[21:33] <Upu> power saving mode
[21:33] <aadamson> ah, it probably doesn't come up that way either does it?
[21:34] <aadamson> first turn on, no changes, just nmea output on 1 sec intervals
[21:34] <Upu> no you have to enable cyclic mode
[21:34] <aadamson> acq - datasheets say 21ma, tracking = 16.5, power save 4.5
[21:34] <Upu> yeah something like that
[21:35] <Upu> never measured it directly its always been in something
[21:36] <aadamson> hmm... ok, my current consumption before I start turning thing off on the stm32l1 is looking better and better then... thanks for the input.
[21:37] <aadamson> I'm looking like 30ish mA with all the peripherals turned on and no power saving on on the stm...
[21:37] <aadamson> That's with the radio transmitting *I need to go check that number, but pretty sure that's right*
[21:38] <aadamson> btw, is there a good programming reference for the max7c?
[21:38] <aadamson> and if anyone wants, I've added the PUBX protocol to the latest tinygps++ (my version is running on the STM, but you should be able to move it back to the AVR pretty easy)
[21:39] <aadamson> oh, I think I found the programming reference - https://www.u-blox.com/images/downloads/Product_Docs/u-blox7-V14_ReceiverDescriptionProtocolSpec_Public_%28GPS.G7-SW-12001%29.pdf
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[00:00] --- Wed Apr 2 2014