highaltitude.log.20150202

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[00:05] <SpacenearUS> New position from 03PI_SKY_LORA after 037 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PI_SKY_LORA
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[00:12] <craag> cool
[00:15] <SpacenearUS> New position from 03PI_SKY_PLUS after 039 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PI_SKY_PLUS
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[00:17] <Vaizki> maybe I'll see one more pass from ISS if they're still transmitting...
[00:21] <Amorgos> Just come across this group/discipline/hobby... Never knew it existed. Absolutely amazing!
[00:28] <craag> :)
[00:33] <Vaizki> it's a trap
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[03:09] <SpacenearUS> New vehicle on the map: 03ATSAT-2 - 12http://tracker.habhub.org/#!qm=All&q=ATSAT-2
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[03:43] <Ian_> Honey trap Vaizki. Hopefully Amorgos will be back tomorrow to start his HAB education poring over the Wikis
[03:43] <Ian_> Gnite
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[06:04] <SpacenearUS> New position from 03K6RPT-12 after 0316 hours silence - 12http://tracker.habhub.org/#!qm=All&q=K6RPT-12
[06:16] <x-f_> morning
[06:18] <x-f_> what's up with AF5LI-11? DL7AD launched a pico? is it APRS-only? wo ist die information?!1
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[06:55] <x-f_> just secret things
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[07:13] <Vaizki> it's all hush hush
[07:18] <SA6BSS-Mike> looking at telemetry its a pecan pico or his own pican femto
[07:18] <SA6BSS-Mike> *pecan femto
[07:20] <x-f_> it will be in my range in a few hours
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[07:27] <x-f_> everybody calm down, i've sent an email to Sven
[07:28] <Vaizki> just as I was getting worked up
[07:31] <x-f_> it's early Monday, you'll get your chance
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[07:33] <DL7AD> morning
[07:33] <x-f_> speaking of the devil..
[07:33] <x-f_> good morning, DL7AD
[07:34] <DL7AD> x-f: APRS only
[07:34] <x-f_> aww
[07:34] <DL7AD> its one ofthomas trackers (KT5TK)
[07:37] <Vaizki> I might just catch it later but probably not
[07:37] <Vaizki> not that it matters, someone else will :)
[07:42] <DL7AD> x-f_: pecan-pico, aprs only, primary battery AA (unfortunately we didnt have a really fresh one), weight: 20g
[07:42] <DL7AD> x-f_: 10mW power
[07:43] <x-f_> thanks, i'm not set up for APRS, but i wish bon voyage to it anyway :)
[07:46] <Vaizki> I'm not set up for anything but isn't APRS easy to catch?
[07:46] <Vaizki> if you have the antenna of course
[07:48] <pc1pcl> Vaizki: shoould be easy enough to catch, yes. migth need to do a little configuration on the decoder if you haven't set anything up in advance.
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[07:49] <pc1pcl> 'dire wolf' http://home.comcast.net/~wb2osz/site/?/page/Download/
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[07:52] <x-f_> i'm not at home, have only 70cm antenna and there's a 70cm HABamp/filter, so the signal is not gonna get through anyway..
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[08:03] Nick change: Trieste_ -> Trieste
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[08:32] Nick change: day- -> day
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[08:49] <Vaizki> how much help has the habamp lna+filter been?
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[09:00] <Vaizki> hmm my APRS reception is working..
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[09:01] <Vaizki> fm OG2K-8 to APMI04-0 via WIDE2-2 UI PID=F0
[09:01] <Vaizki> @020900z6017.94N/02451.21EvWX3in1Mini U=13.6V GPS-FIXED
[09:01] <Vaizki> MyFirstAPRS(tm)
[09:03] <pc1pcl> Congratulations ;)
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[09:17] <Vaizki> I feel like those guys in Independence Day trying to make the alien fighter ship fly
[09:18] <Vaizki> especially when it comes to the Airspy RF gain settings
[09:18] <fsphil> alien computers are all Mac compatible
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[09:19] <Vaizki> well I have come to the conclusion that (unfortunately) the HAM stuff is for a large part not mac friendly
[09:19] <Darkside> Vaizki: oh you got an airspy?
[09:19] <Darkside> nice
[09:20] <Vaizki> yea but on a mac I have to use Gqrx which seems flaky as hell
[09:20] <Vaizki> like if I change the freq +1kHz and then back -1kHz, my noise floor can jump up or down by 15-20dB
[09:20] <Vaizki> just by visiting another frequency
[09:22] <Vaizki> also it doesn't seem to support 2M sample rates from the airspy.. so when I'm running 10MHz wide FFT and 10MSps.. my imac is getting pretty hot :)
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[09:24] <Vaizki> so for these reasons I probably need to build a windows pc..
[09:25] <fsphil> ... like a Pi
[09:25] <Vaizki> a) more cpu b) sdr# and truckload of other nice software
[09:25] <Vaizki> a Pi?
[09:25] <fsphil> (MS have Win10 running on a Pi)
[09:25] <Vaizki> well ok let's say 3.2GHz quad core haswell i5 pc :)
[09:25] <Vaizki> that should do it..
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[09:34] <LunarWork> hello
[09:35] <HF_ATL> hello all
[09:35] <fsphil> morning
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[09:45] <pc1pcl> Vaizki: For some reason SDR and to a degree rigcontrol etc. just seems better developed on windows. Using debian myself and although it is functional, running into some of the same issues ou mention for Mac..
[09:47] <Vaizki> yea you'd think linux would be pretty well supported but no..
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[09:48] <pc1pcl> I think on windows there is just a bit more focus, not so many choices, and users willing to make the equipment match the available programs..
[09:48] <Vaizki> right, always the issue with linux is because anyone can contribute so everyone patches what they use to support what they have
[09:49] <Vaizki> so you end up with a lot of variety but less focus
[09:49] <pc1pcl> On linux/mac the idea is probably that the program should adapt to the gear, but yeah you end up with 30 different forks that all only work 90% okay..
[09:49] <edmoore> sometimes that works but less so at fringes
[09:49] <Vaizki> don't get me wrong, I love linux but not on the desktop so much
[09:50] <Vaizki> so my normal setup is mac for desktop and linux servers / embedded
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[10:08] <db_g6gzh> Vaizki: according to the author of gqrx you can do 2.5 Msps with airspy but it's not (yet) in the preset list so you have to type in 2500000
[10:08] <Vaizki> hmm I tried that
[10:09] <Vaizki> but it stop processing now and then also so I need to kill it and restart
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[10:14] <db_g6gzh> oh, OK, just thought I'd mention it in case you hadn't realised you could override the presets
[10:17] <pc1pcl> might also depend on the version/build of gqrx.
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[10:19] <db_g6gzh> he made the comment in November
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[10:37] <Laurenceb> lolz
[10:37] <Laurenceb> http://dev.windows.com/en-us/featured/raspberrypi2support
[10:46] <DL7AD> rofl.... i would never install windows
[10:47] <SA6BSS-Mike> Vaizki: if you want to track some sats , here is a good page http://www.n2yo.com/?s=39444
[10:48] <SA6BSS-Mike> Laurenceb: hehe, it is kind of cool thou
[10:49] <SA6BSS-Mike> but now I have to google raspi 2.
[10:49] <SA6BSS-Mike> http://www.extremetech.com/computing/186263-raspberry-pi-2-targeted-for-2017-current-model-gets-upgrade
[10:51] <fsphil> that's an old story
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[10:51] <fsphil> the Pi 2 was released today
[10:52] <amell> I just came here to say that :)
[10:52] <amell> wondered re your reactions
[10:52] <SA6BSS-Mike> heh, see that now
[10:53] <amell> Apparently Windows 10 is coming to RPi 2. Im not sure thats a good thing&
[10:53] <amell> http://www.raspberrypi.org/raspberry-pi-2-on-sale/
[10:54] <amell> I think this fixes my Octoprint woes.
[10:54] <fsphil> with it's huge list of ARM-compatible software
[10:54] <edmoore> maybe i should change the topic to 'yes, there is a new pi out, please talk about ballooning though'
[10:55] <amell> or the applications of Rpi 2 to ballooning&
[10:55] <edmoore> oh pray tell!
[10:55] <edmoore> i can't possibly imagine what amazing things the pi, as a generic single board computer, can specifically offer to ballooning
[10:56] <edmoore> my mind is prepared to be blown
[10:56] <edmoore> fire when ready
[10:56] <edmoore> (but infact yes, of course you can talk about that, and it doesn't matter what i think)
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[10:57] <fsphil> I'm not holding out much hope that it would be better at RX'ing than the current model
[10:57] <fsphil> dl-fldigi will certainly run better but that USB bus is likely still a huge weakness
[10:59] <fsphil> still easier just to use a laptop basically
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[10:59] <amell> It appears to have the B+ USB stuff.
[11:00] <fsphil> yea
[11:00] <amell> also enables windows 10 habbing&
[11:00] <fsphil> don't go there :)
[11:03] <fsphil> should be great for non-hab stuff though
[11:07] <mightymik> I *just* bought a B+ last month : /
[11:07] <fsphil> always the way
[11:08] <amell> planned obselence.
[11:08] <fsphil> don't worry, there'll probably be a 2GB model out next week
[11:08] <mightymik> IF it runs win 10 then will it run SDR# ? if so ...
[11:09] <amell> if someone compiles sdr# for win 10 arm
[11:09] <mfa298_> interesting re the Pi-2, I'm sure back in the summer they were saying there wern't any plans for a new version for a couple of years.
[11:09] <amell> apparently we need to stay related to HAB. edmoore sez.
[11:10] <mightymik> GQRX might work as well in linux
[11:10] <fsphil> SDR# is .net bytecode isn't it?
[11:10] <fsphil> should just work (it won't)
[11:10] <edmoore> [10:56] <edmoore> (but infact yes, of course you can talk about that, and it doesn't matter what i think)
[11:10] <edmoore> amell ^
[11:10] <edmoore> pays to read
[11:10] <amell> Oh, i thought you were just being sarcastic.
[11:11] <edmoore> i am *never* sarcastic
[11:13] <amell> http://www.theregister.co.uk/2015/02/02/raspberry_pi_model_2/?mt=1422848856625
[11:13] <amell> apparently we can expect a global geekgasm
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[11:14] <fsphil> a great disturbance in the force
[11:14] <daveake> "geekgasm" ... has to be lester
[11:15] <daveake> Ah, now I know why Liz@rpi asked me for contact at the register
[11:16] <amell> yes, apparently the Pi 2 is to be used for LOHAN autopilot....
[11:16] <amell> so finally we reach the HAB connection :)
[11:17] <edmoore> that's numberwang
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[11:29] <Reb-SM0ULC> amell: well....... not gigabit... still same usb-headache...
[11:31] <Reb-SM0ULC> the odroid-c1 still far ahead for the same price..
[11:41] <SA6BSS-Mike> yep, its 1,5 qud vs pi 900Mhz qud
[11:41] <SA6BSS-Mike> *quad
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[12:25] <Ian_> The prospect of a self contained SDR of reasonable performance for the ground sector strikes me as a good idea. Gateways on UKHASnet and SDR for the HAB mobile/ground sector strike me as INTERESTING
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[12:33] <fsphil> ukhasnet has dedicated hardware receivers
[12:33] <mattbrejza> even a picaxe could manage it
[12:34] <SpacenearUS> New position from 03PI_SKY_LORA after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PI_SKY_LORA
[12:36] <SpacenearUS> New position from 03PI_SKY_PLUS after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PI_SKY_PLUS
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[12:39] <fsphil> picaxe ssdv. wonder if that's even possible
[12:39] <fsphil> actually no I don't
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[12:40] <mattbrejza> id rather do ssdv with logic gates than a picaxe
[12:40] <mattbrejza> and by logic gates what i actually mean is cpld
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[12:49] <fsphil> that would be a good project
[12:51] <Laurenceb> http://oldwww.nvg.ntnu.no/sinclair/audio/gallery/x10_unboxed.jpg
[12:52] <amell> nice. I bet all the caps have dried seeing as thats mid-60s
[12:53] <amell> the caps have dried in my BBC B. I need to replace them all
[12:53] <amell> the first clue i had was all the white smoke pouring out of it...
[12:58] <amell> http://oldwww.nvg.ntnu.no/sinclair/audio/gallery/x-10_ad.jpg
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[13:26] <amell> this looks nice. is there anything better? http://store.hackaday.com/collections/products-tools/products/usb-tester-2-0
[13:26] <Vaizki> so this ukhasnet.. looks like aprs but runs on 868 ISM.. is that "settled" or still very much under work?
[13:28] <Vaizki> amell, depends on what you want to do
[13:28] <Vaizki> if you want to just see the current consumption, that's expensive
[13:28] <amell> log power consumption
[13:28] <Vaizki> if you want to record it over a long time.. well I think it's still a bit expensive but not hugely so
[13:29] <amell> trying to find out resolution and range
[13:29] <Vaizki> I have a multimeter with logging and a DSO so not sure I'd need one
[13:29] <Vaizki> if that was half the price without a display, it would sell really well
[13:30] <storm_work> INA219 is a nice IC for power logging, also available on breakout-boards
[13:32] <Vaizki> amell, try to check if that also logs peaks and dips within the logging periods or just averages out...
[13:36] <amell> yeah. ta
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[14:03] <edmoore> decent sqlite gui editor/browser tool for osx, anyone?
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[14:06] <josep> Dear all. I am Josep from Barcelona. I am trying to decode a payload using a Funcube Pro+ but I am having trouble configuring dl-fldigi. Anyone can help me?
[14:07] <josep> #highaltitude Dear all. I am Josep from Barcelona. I am trying to decode a payload using a Funcube Pro+ but I am having trouble configuring dl-fldigi. Anyone can help me?
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[14:11] <SA6BSS-Mike> josep: http://www.qsl.net/sa6bss/
[14:11] <SA6BSS-Mike> http://ukhas.org.uk/guides:tracking_guide:spanish
[14:11] <SA6BSS-Mike> dont mid the first link, secomnd one should get you going
[14:13] <Vaizki> and try the --hab option when starting it.. changes the GUI :)
[14:17] <SA6BSS-Mike> god point, you get 2 icons, use the one "hab mode"
[14:20] <josep> Thank you. I have made a progress with what you said to me but all data is printing on screen as rubbish
[14:24] <josep> I cannot see the incoming telemetry properly
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[14:27] <Vaizki> does it look like RTTY in the waterfall?
[14:27] <lz1dev> !track k6rpt-11
[14:27] <SpacenearUS> 03lz1dev: Here you go - 12http://tracker.habhub.org/#!qm=All&q=k6rpt-11
[14:28] <lz1dev> derp
[14:28] <lz1dev> !track k6rpt-12
[14:28] <SpacenearUS> 03lz1dev: Here you go - 12http://tracker.habhub.org/#!qm=All&q=k6rpt-12
[14:28] <lz1dev> already half way across the world
[14:29] <x-f_> josep, try the Rv button on bottom right, also a screenprint of your dl-fldigi would be good
[14:31] <x-f_> is it EDUPIC you're hunting?
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[14:33] <Laurenceb> http://pastie.org/9880629 meanwhile on irc
[14:37] <Vaizki> looks like AF5LI-11 is going to real close to me.. yeay.. it will be the first balloon I can actually track :)
[14:40] <Vaizki> although if I can hear the APRS then the digipeaters and igate will upload it so don't think there's a need for me to figure out how to send that to habitat
[14:41] <Vaizki> as I'm not a HAM I can't really operate an igate
[14:42] <josep> http://i58.tinypic.com/2mhcwn4.png SDR image
[14:42] <josep> http://i58.tinypic.com/jjv7lv.png dl-fldigi screen print
[14:42] <josep> the RV button makes no difference
[14:43] <Vaizki> hmm the dl-fldigi doesn't look right
[14:43] <Vaizki> you need to have virtual audio cable or voicemeeter to pipe audio from sdr# to dl-fldigi
[14:45] <Vaizki> dl-fldigi waterfall should look like: http://ukhas.org.uk/_media/guides:waterfall.jpg
[14:46] <Vaizki> another example: http://ukhas.org.uk/_media/guides:dlfldigi4.jpeg
[14:46] <josep> I have already installed the driver. I am having problems piping the audio to dl-fldigi then.
[14:46] <SA6BSS-Mike> yeah, you must get the audio from your speaker into the mic input of your comp, physicly or by viritual audiocable
[14:47] <SA6BSS-Mike> laptop or desctop?
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[14:47] <HF_ATL> in win7 you can use stereo mix to route the speaker out to mic or line in
[14:47] <Vaizki> but your sdr# pic looks downright great, very strong signal?
[14:47] <Vaizki> is the transmitter in the same room? :)
[14:47] <HF_ATL> no cable needed
[14:48] <db_g6gzh> does the red T/R imply that dl-fldigi is in transmit mode ?
[14:49] <Vaizki> HF_ATL, I guess that would work as a hack but then you will also get system beeps and your spotify in the input?
[14:50] <Vaizki> in otherwords, every sound your computer makes would be mixed into the fldigi input?
[14:50] <HF_ATL> you can simply route the out to in but you can specify which device/card and port to be routed
[14:50] <josep> Yes, the transmitter is in the same room. The red T/R is wrongly selected
[14:51] <HF_ATL> if you have two sound cards you dont worry with the beep sound you make
[14:52] <HF_ATL> just try it, let me know if you need the instructions
[14:52] <Vaizki> yea I have a saffire pro 24 dsp sound card which has 16 in / 8 out physical audio but also a mixer inside where I can create mixes virtually
[14:53] <Vaizki> unfortunately half the software for SDR crash if I select it as a sound card
[14:53] <Vaizki> (on a Mac)
[14:53] <HF_ATL> i have a sb audigy and works good with SDR sw
[14:53] <HF_ATL> (win)
[14:56] <Vaizki> I guess it's because the drivers don't allow for volume control from the driver side
[14:57] <Vaizki> it's all in the virtual mixer where it happens at 24bits 192kHz
[14:57] <HF_ATL> yes probably, I never tried on a Mac
[14:57] <Vaizki> but the software don't understand that so they die from divide by zero exceptions etc immediately
[14:58] <Vaizki> but I bought a pc today for this SDR stuff
[14:58] <Vaizki> just ran out of patience with the mac stuff
[14:58] <HF_ATL> keep us updated with your progress Vaizki
[14:59] <Vaizki> which progress?
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[15:12] <josep> understood. Now it seems to be working but the data is not printing well http://es.tinypic.com/view.php?pic=6o0pqa&s=8#.VM-TwUeG_MI
[15:13] <HF_ATL> pc with sdr...
[15:13] <lz1dev> im no expert, but that waterfall doesn't look right
[15:13] <HF_ATL> and the stereo mix test
[15:16] <craag> josep: turn down the volume in sdr#
[15:16] <craag> and tune left a touch, so the peaks are in the middle of the highlighted band
[15:16] <craag> Then the peaks should appear as yellow on a blue background in fldigi
[15:16] <craag> place the two reds bars in the bottom of fldigi over the yellow portions
[15:17] <craag> (The diamond in the bottom right of fldigi tells you the signal level, red is too loud, black is too quiet, green is ok)
[15:19] <craag> Do the above, if it doesn't work then screenshot fldigi again please :)
[15:22] <edmoore> and if that doesn't work try hitting 'Rv' in the bottom-right corner
[15:28] <josep> Amazing help. It is almost working: http://i57.tinypic.com/33w2y6w.png
[15:29] <josep> http://i59.tinypic.com/dztl55.png
[15:29] <edmoore> still need to adjust tuning a bit to get two yellow bars into fldigi
[15:29] <craag> you need to tune sdr# further left
[15:30] <craag> get both peaks into the middle of that whitened band
[15:30] <craag> (in the top half of the screen)
[15:31] <craag> (that whitened band is what is piped into the waterfall in dlfldigi)
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[15:43] <josep> Much better now http://i60.tinypic.com/14xm7nq.png
[15:43] <josep> http://i61.tinypic.com/ajpg9k.png
[15:44] <lz1dev> josep: please use imgur.com for images
[15:44] <josep> ok. sorry
[15:46] <Geoff-G8DHE> So who is going to fly a LoRa ayload over me to test out my LoRA gateway then ?
[15:46] <Laurenceb> does anyone know how the gqrx raw format works?
[15:47] <craag> ayeloads come from oop norf
[15:47] <Geoff-G8DHE> maybe that was a hint ;-)
[15:49] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights/2015_Flights/index.php?ind=1
[15:50] <josep> http://imgur.com/K3h2BtV here is the image with imgur. Still problems with the data
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[15:52] <SA6BSS-Mike> have you set it to 7n2 or what rtty settings are you using
[15:53] <Geoff-G8DHE> doesn't look like a very clean waterfall, could it be oberloading the frontend of the Rx ?
[15:53] <Geoff-G8DHE> *overloading
[15:54] <pc1pcl> !flights
[15:54] <SpacenearUS> 03pc1pcl: Current flights: 03EDUPIC12 10(abc8), 03PS-33 434.650 OLIVIA 8/250 Enable RSID 10(c560), 03B-64 434.500 Contestia 64/1000 10(3afe)
[15:54] <pc1pcl> !payload EDUPIC12
[15:54] <SpacenearUS> 03pc1pcl: Can't find a flight doc matching your query
[15:55] <Geoff-G8DHE> You Rv selected this reverses the spectrum click the botton on the bottom line
[15:56] <craag> Yep receiver is overloaded I reckon
[15:56] <craag> If there is an antenna on the receiver, remove it.
[15:56] <pc1pcl> what is the rtty speed supposed to be ? 300, 100 ,50 ?
[15:56] <craag> Also move to payload away a few meters (eg. to another room) if you can.
[15:57] <Geoff-G8DHE> Perhaps first click the Rv button in dl-fldigi, then reduce the signal stremgth
[15:57] <Geoff-G8DHE> Ah you also have I&Q swapped in SDR#
[15:58] <Geoff-G8DHE> So you have two reversals of the spectrum they should cancel out unless the FCD requires it ?
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[16:11] Action: Geoff-G8DHE looks for 3-way splitter to connect LoRa to aerial with DOngle & Airspy
[16:14] Action: Geoff-G8DHE LoRa hangs off the co-linear instead
[16:16] <craag> LoRa should be up at the SUWS WebSDR this weekend.
[16:16] <craag> On the same antenna as everything else I think.
[16:16] <Geoff-G8DHE> But will we hear any LoRa is the question!!
[16:16] <craag> I have a payload on the bench ;)
[16:17] <Geoff-G8DHE> I need another LoRa to talk to mine
[16:17] <Geoff-G8DHE> Thinks I will be in Keyhaven on Friday/Saturday ...
[16:17] <craag> https://twitter.com/thecraag/status/562021583020367872
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[16:18] <craag> still need to pay my up.u tax
[16:18] <Geoff-G8DHE> He got me to buy an RPi last week .... now they come out with an upgrade today!
[16:19] <daveake> Geoff-G8DHE I have a couple of mini circuits splitters
[16:19] <daveake> very low loss
[16:19] <daveake> Quite cheap on ebay at the time
[16:19] <pc1pcl> Geoff-G8DHE: something like this might work, http://www.pasternack.com/12-way-50-ohm-power-dividers-category.aspx
[16:20] <Geoff-G8DHE> No its OK, I won't have the dongle in place much longer just wanted to compare against the Airspy
[16:21] <Geoff-G8DHE> Quite handy to have one however!
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[16:23] <josep> Here are the settings I am using: http://imgur.com/nYSyXoh
[16:23] <pc1pcl> I've got a two way coax switch I use; but I guess I'm spoiled by 'cheap stuff from china'; prices of these things seem too high for what they really do. Then agian , too much hassle to make one yourself.
[16:23] <josep> I also moved to another room and I have deattached the antenna. The result: http://imgur.com/TiukPMw
[16:24] <Geoff-G8DHE> Are that looks better
[16:24] <Geoff-G8DHE> What speed are you sending the RTTY at ?
[16:25] <Geoff-G8DHE> Normally you can see the transitions from one freq to the other
[16:25] <daveake> looks like 300 to me
[16:25] <Geoff-G8DHE> at50baud
[16:26] <Geoff-G8DHE> yes could be 300 as its set to 300 as well ;-)
[16:26] <daveake> Looks like a PITS board actually :)
[16:26] <pc1pcl> of course maybe the receiving side is perfectly fine but the transmitter is putting out nonsense. Did I miss details on the transmitter?
[16:26] <Geoff-G8DHE> What does it look like on the SDR# now ?
[16:27] <daveake> If it is pits it's 8 N 2
[16:27] <josep> Yes. It is a PITS
[16:27] Action: daveake puts away xtal ball
[16:28] <pc1pcl> fldigi seems set to 300,8n2, 910 Hz shift, and 300 wide filters, so that should work then..
[16:28] <daveake> OK make sure you've got dl-fldigi set to 8 data bits, no parity, 2 stop bits
[16:28] <daveake> Do you have a Pi camera connected ?
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[16:29] <josep> The Pi camera is disconnected. I am only sending telemetry
[16:30] <daveake> OK right-click in the text area in dl-fldigi and choose the clear option
[16:30] <daveake> then if it's still listing garbage, click the Rv button
[16:30] <josep> 8n2 correct
[16:31] <Geoff-G8DHE> I&Q were swapped in SDR# in the last image
[16:32] <daveake> Well there's nothing else to change so it should work
[16:32] <pc1pcl> any fancy filtering being done in SDR# that might be 'optimizing' the digital signal?
[16:35] <josep> sdr with no swapping: http://imgur.com/w3nTVWj
[16:36] <josep> last fldigi captured screen: http://imgur.com/FsQJQFQ
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[16:39] <pc1pcl> there's a 'filter audio' option ticket in SDR#, what does that do?
[16:40] <pc1pcl> if it's trying to filter out pops etc. it will probably do more harm than good.
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[17:02] <daveake> volume looks a bit low but otherwise I see nothing wrong
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[17:28] <Vaizki> so what are the red, green and blue in the hysplit display? alternate paths based on altitude changes?
[17:31] <Geoff-G8DHE> yes
[17:32] <lz1dev> http://ready.arl.noaa.gov/hypub-bin/trajtype.pl
[17:32] <lz1dev> trajectory ensemble
[17:32] <edmoore> news-team assemble
[17:35] <Vaizki> thx
[17:36] <Vaizki> AF5LI-11 hysplit is like a kraken ;)
[17:36] <lz1dev> !hysplit af5li-11
[17:36] <SpacenearUS> 03lz1dev: HYSPLIT for 03AF5LI-11 - 12http://spacenear.us/tracker/hysplit_cache/150202-16_129909_AF5LI11.gif
[17:37] <lz1dev> looks like a jellyfish
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[17:42] <Vaizki> I was just looking at it on the habhub tracker...
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[17:58] Nick change: mfa298_ -> mfa298
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[18:45] <SpacenearUS> New vehicle on the map: 03MM2test_chase - 12http://tracker.habhub.org/#!qm=All&q=MM2test_chase
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[19:00] <SpacenearUS> New vehicle on the map: 03DIPERK1 - 12http://tracker.habhub.org/#!qm=All&q=DIPERK1
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[19:02] <Lunar_Lander> evening
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[20:31] <infaddict> Hey guys. Anybody used CHDK on Canon's for taking regular pix (e.g. every 30 secs)? Is it a built in feature or have to write a script?
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[20:37] Nick change: fred_ -> Guest27324
[20:38] <daveake> Some, maybe all, CHDK distros include a simple intervalometer script
[20:39] <daveake> Otherwise it's trivial to write one
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[20:40] <Guest27324> Sometimes the stock one needs tweeking depending on the camera, but they work well, used them meny times
[20:42] <Guest27324> I have an odd question, has anyone ever scattered ashes from a balloon in the UK ?
[20:42] <adamgreig> it's been done at least a few times
[20:42] <adamgreig> think steve did a couple. probably others
[20:43] <SpacenearUS> New vehicle on the map: 03PYSY - 12http://tracker.habhub.org/#!qm=All&q=PYSY
[20:43] <adamgreig> in theory you probably need special permission from the caa for that as the normal waiver does not cover dropping things
[20:43] <Guest27324> Ah good news, I will explain a little more, yes read about the dropping exception
[20:43] <infaddict> thx daveake and Guest, didn't know they were called intervalometers
[20:44] <daveake> Yeah Steve did the budgie/cat one for telly
[20:44] <daveake> and a human one
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[20:45] <daveake> He said to me "never again" :/
[20:45] <adamgreig> hah
[20:45] <Guest27324> Myself and a friend have often talked about getting involved and attempting a high altitude balloon, he is a photographer and keen astronomer, I like electronics and astronomy
[20:45] <Guest27324> Recently his twin passed and I was asked the question
[20:46] <Guest27324> I read about the budgie, James May was it ?
[20:47] <daveake> yup
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[20:48] <infaddict> i thought the law classified something with remote control or moving parts as different to a balloon?
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[20:48] <Guest27324> Ok, well I know it's possible if nothing else, I think it's a tall order for two rank amateurs
[20:48] <daveake> Moving parts? No. And this one had the ashes in the neck
[20:49] <daveake> Remote control is fine too
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[20:49] <daveake> What you don't want is it classed as a UAV
[20:49] <infaddict> ah right. i was wondering about a mechanism to release payload if stuck up a tree. but thought such inclusion changed the rules.
[20:49] <Guest27324> Oh that last comment just made things a lot easier, it never dawned on me to put the ashes in the balloon.
[20:49] <infaddict> i.e. remote control from the ground to release a pin or something
[20:50] <daveake> and it's all supposed to come down under a parachute
[20:50] <Guest27324> I was thinking release mech
[20:50] <infaddict> yep balloon or neck would be much easier
[20:50] <daveake> remote release is fine
[20:50] <infaddict> ok thx daveake. too complex for my first ever launch but useful to know
[20:51] <Guest27324> I need to talk to him some more, but provided he doesn't want footage of it the job became a lot more possible.
[20:51] <infaddict> easy to point a cam (or 2nd cam) up to balloon
[20:52] <daveake> It is
[20:52] <daveake> Sometimes you get a nice burst e.g. http://www.daveakerman.com/wp-content/uploads/2014/05/Burst-1.jpg
[20:53] <infaddict> was that a timed still that was just perfect? or from a vid?
[20:53] <infaddict> nice shot!
[20:53] <daveake> video
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[20:53] <infaddict> yer i'm trying to figure out if CDHK allows me to mix pics and video from 1 camera or whether i should just get a 2nd cheap canon for video
[20:54] <daveake> 5 frames from round balloon to a cloud of bits
[20:54] <infaddict> e.g. take 1 photo, wait 10 secs, take 10 second video, wait 10 secs, repeat
[20:54] <Guest27324> Yup that has been done, sure I read it on the Sparkfun website
[20:54] <daveake> Some allow that
[20:54] <daveake> I just put in 2 cameras
[20:54] <SpacenearUS> New vehicle on the map: 03PYSYchase - 12http://tracker.habhub.org/#!qm=All&q=PYSYchase
[20:55] <infaddict> 2 cameras would at least balance the payload i suppose
[20:55] <daveake> More weight but less chance of getting nothing
[20:55] <daveake> "I suppose"? I think you're just repeating what I said 2 days ago :p
[20:55] <infaddict> true. is it the norm to use continuous video right from launch or to cdhk it for regular shorter vids?
[20:56] <infaddict> thinking of battery life etc
[20:56] <daveake> I think mostly it's continuous video throughout
[20:58] <infaddict> completely different question. how often do people normally transmit position data from the payload? for example 50 baud is pretty slow and will take some time.
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[20:59] <mclane_> depends on what you want to achieve - long lifetime = every few minutes
[21:00] <infaddict> fairly short high altitude flight. 2-3 hours flight + finding time. even at full whack everything, my calcs give me around 30 hours
[21:00] <mclane_> normal 3h up-down flight = continuous transmissions
[21:00] <Guest27324> infaddict your comment about pointing a camera up to the balloon, you mean from the ground, you would need a telescope no ?
[21:00] <infaddict> no i meant from the payload itself
[21:01] <infaddict> see Dave's picture he pasted:http://www.daveakerman.com/wp-content/uploads/2014/05/Burst-1.jpg
[21:01] <Guest27324> thought it odd
[21:01] <infaddict> that was a video from a camera pointed up at the balloon
[21:01] <infaddict> vid started at launch
[21:01] <infaddict> i would like video as well as pics so i am very close to buying a 2nd camera for my payload
[21:02] <infaddict> thx mclane_ - so i need to decide on my main loop whether to continously do everything (radio tx, gps fix, altitude, battery, temperature, write to SD log) or just some
[21:03] <Vaizki> maybe get it for the second launch..? :)
[21:03] <infaddict> ;-)
[21:03] <Vaizki> it's not like you can have only one
[21:03] <mclane_> no; you can run that in parallel
[21:04] <Guest27324> thanks guys, one short talk has provided food for thought, I may be back in touch
[21:04] <Vaizki> wonder what happened to AF5LI-11
[21:05] <Vaizki> there should be APRS igates in Riga
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[21:08] <infaddict> mclane_ i'm new to this, so i thought most processes were single threaded i.e. linear. do you achieve parallel stuff with interupts?
[21:08] <Vaizki> oh but maybe not on 144.800
[21:09] <mclane_> yes - when you transmit at 50 baud, you have 20 ms in between the single bits - that is enough for a lot of things
[21:09] <daveake> Timers are useful for (duh) time-critical actions. e.g. RTTY generation, APRS tone generation
[21:11] <Flerb> Ooh new raspberry p[i
[21:11] <Flerb> *pi
[21:11] <Flerb> with windoze
[21:11] <mclane_> oh no!!
[21:12] <mclane_> let's stick with linux!
[21:12] <Flerb> I must admit when I got my raspberry pi it went something along the lines of
[21:12] <mclane_> ;-))
[21:12] <Flerb> great
[21:12] <craag> but but vb6
[21:12] <Flerb> what do i do with it that my pc can't do.
[21:12] <adamgreig> i cut my programming teeth on vb6
[21:12] <adamgreig> it was my seventh birthday present
[21:12] <Flerb> one guy at my arc couldn't understand why arduinos are used for hab
[21:13] <Flerb> why not use a raspberry pi
[21:13] <mclane_> many people fly a raspi
[21:14] <Flerb> arduinos are probably better when starting out
[21:14] <mclane_> (dave started that some time ago ;-)
[21:14] <infaddict> yep pi in the sky
[21:14] <Flerb> Less to worry about.
[21:14] <Flerb> Didn't he do a tits in the sky thing too with one of the "lad's magazines"
[21:14] <daveake> No pi on that one
[21:15] <daveake> I thought there'd be a lot more other people flying rpi by now
[21:15] <daveake> Obviously people are more sensible than I thought :)
[21:16] <craag> https://plus.google.com/photos/111985625986161608212/albums/5930701264198130753/5930702504540520754?pid=5930702504540520754&oid=111985625986161608212
[21:16] <craag> that one ;)
[21:16] <daveake> looks like it :p
[21:18] Nick change: gonzo___ -> gonzo_
[21:18] <craag> Grabbed myself a copy of lightroom over xmas, should have another go at those photos.
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[22:26] <Flerb> I realised that I probably spent far too much on the saleae logic analyser
[22:27] <Flerb> because there are much much cheaper devices
[22:27] <Flerb> the bus pirate looks pretty cool/
[22:27] <Flerb> i may consider one of those if I ever need one
[22:29] <Vaizki> saleae software rocks
[22:29] <Vaizki> umm so did you buy a saleae or not?
[22:29] <Vaizki> first I thought you did, then that you didn't
[22:29] <Flerb> Vaizki: yes
[22:30] <Flerb> the last bit is regarding the bus pirate
[22:30] <Vaizki> ah ok. well I think you will be very happy with the saleae
[22:30] <Vaizki> even if a bit poorer ;)
[22:30] <Flerb> I've got one
[22:31] <Flerb> I like it
[22:31] <Flerb> It works
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[22:31] <mfa298> 4096 samples at 1MHz (bus pirate in LA mode) doesn't sound like that many
[22:32] <Vaizki> well it's enough to catch a ublox i2c update
[22:32] <mfa298> as long as it triggers on the bit you want or you can hit the right buttons at the right point.
[22:33] <mfa298> I'm very glad I bought my saleae.
[22:33] <Flerb> I wonder what trace size one would need to carry a maximum of 10A 230v
[22:33] <Flerb> its nice - I used it for 1-wire
[22:34] <Flerb> I don't get exactly how the interfacing with the 1 wire temperature sensors work
[22:34] <Flerb> but im not sure i quite need to
[22:34] <mfa298> if you're asking that sort of question about mains powered stuffs it probably means you don't know enough to be doing it safely.
[22:34] <Oddstr13> Flerb: I want a logic pro 16 :P
[22:35] <Vaizki> 10A of 230V? :O
[22:35] <Vaizki> 2.3kW of power?
[22:35] <mfa298> as a not particularly useful answer I suspect the traces for 10A 230V will probably be the same as 10A at 5v.
[22:35] <mattbrejza> correct
[22:36] <mfa298> the important question is how to do it safely. (i.e. suitable gaps and not blow the circuit, yourself or the end user up)
[22:37] <Flerb> Vaizki: it's about what a toaster oven uses.
[22:37] <Flerb> well
[22:37] <mfa298> and probably many other important questions.
[22:37] <Flerb> quite a bit over
[22:37] <Flerb> 1200 - 1700
[22:37] <Vaizki> dude, use a SSR
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[22:38] <mfa298> Flerb: if that 1200-1700 is the power rating of the toaster over learn to apply P=IV
[22:38] <Flerb> So it'll be 7.4 amps
[22:38] <Flerb> ish
[22:39] <Flerb> max
[22:39] <Flerb> http://www.powerswitchtail.com/Pages/PowerSwitchTail240vackit.aspx <--- how could something like this switch 15 amps?
[22:39] <mfa298> however I still point you at my earlier comment.
[22:39] <mfa298> 22:36 < mfa298> the important question is how to do it safely. (i.e. suitable gaps and not blow the circuit, yourself or the end user up)
[22:39] <Flerb> given that googling it it seems that traces have to be huge
[22:39] <Vaizki> http://www.ebay.com/itm/New-Solid-State-Relay-SSR-25-DA-For-Temperature-Controller-24-380VAC-3-32VDC-/111422298850?pt=LH_DefaultDomain_2&hash=item19f1495ae2
[22:40] <Vaizki> just use one of those
[22:40] <Oddstr13> https://www.sparkfun.com/products/13015 something such maybe?
[22:40] <Vaizki> yea if you need 40A :)
[22:40] <mfa298> playing with mains voltage is not something to do unless you *really* know what you're doing, especially if anyone else could come into contact with it.
[22:40] <Oddstr13> I like overkill! :P
[22:40] <Vaizki> well ok that has a nice terminal guard plastic
[22:41] <Vaizki> SSRs are a good way to isolate your project from mains
[22:42] <Vaizki> I've used those cheap fotek ones from ebay quite successfully to drive heater elements for sous vide, fans for bbq smokers etc
[22:42] <Vaizki> mostly in PID control
[22:42] <Oddstr13> myself, I'm going to use the NEXA wireless switches with my Pi, once I figure out the Pi <-> Arduino interface part
[22:42] <Flerb> i guess it may be better to get a cheap chinese reflow oven
[22:42] <Vaizki> pi-arduino interfacing is easy as pi
[22:42] <Vaizki> (har har)
[22:43] <Flerb> Ah
[22:43] <Flerb> One way to do it
[22:43] <Flerb> Would be an IR switch
[22:43] <Flerb> and an IR transmitting
[22:43] <Vaizki> ...
[22:43] <Flerb> *transmitter
[22:44] <Vaizki> or how about luring a mouse to toggle the switch
[22:44] <Flerb> there are IR controlled mains switches
[22:44] <Oddstr13> Vaizki: been looking into the Cosa framework(C++ object oriented arduino core replacement), and the I2C slave there seems a bit unstable :P
[22:44] <Oddstr13> trying to figure it out tho
[22:45] <Oddstr13> anyways, i'ma grab some z's
[22:46] <Vaizki> I'm just browsing through habhub and aprs.fi trying to learn how this stuff works..
[22:47] <Vaizki> checked out AF5LI-11 in aprs and now I know why it's off the map.. http://aprs.fi/telemetry/a/AF5LI-11
[22:47] <Vaizki> must be out of power
[22:47] <Babs> Evening all - from high voltage and current to low voltage and current
[22:47] <Upu> hey Babs
[22:48] <Babs> Hey Upu
[22:48] <Babs> trace widths and clearances, what should i use?
[22:48] <Babs> on Eagle
[22:48] <mattbrejza> 10/10 mil
[22:48] <mattbrejza> 8/8 if needed
[22:48] <Babs> good programme on BBC4 about Aaron Shwartz - off topic but good
[22:48] <Upu> yeah I work in mm
[22:48] <Babs> on now
[22:48] <Upu> but 0.15mm is the smallest
[22:48] <mattbrejza> 24mil if vcc
[22:49] <Babs> 10/10 mil being mm or inch things?
[22:49] <Vaizki> 10 mil = 0.254 mm
[22:49] <mattbrejza> inch things
[22:50] <Babs> so i have used imperial for my solderless breadboard boards
[22:50] <Babs> i guess a simple tracker board can be on metric
[22:50] <Babs> but is there a convention for everyone on here? Upu, are you saying metric?
[22:50] <Upu> I use metric
[22:51] <Babs> Upu Miyagi
[22:51] <Flerb> mils strike me as a wannabe metric system
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[22:52] <Vaizki> well it's called a thou in many places to avoid confusion with millimeters
[22:52] <Vaizki> babs: anyway, each pcb maker will have their own minimum tolerances
[22:53] <Vaizki> but 10/10 or .15mm as stated should be fine with everyone
[22:53] <Vaizki> oops .25mm
[22:58] <Vaizki> I think the only boards I've done were at 20mil...
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[00:00] --- Tue Feb 3 2015