highaltitude.log.20160214

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[08:04] <SpacenearUS> New vehicle on the map: 03PYSY - 12http://tracker.habhub.org/#!qm=All&q=PYSY
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[09:50] <tweetBot> @TerryHomewld: building yagi for 868Mhz Lora receiver #UKHAS
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[10:29] <pb0ahx> !flights
[10:29] <SpacenearUS> 03pb0ahx: Current flights: 03UON1 10(3cc3), 03UON1b 10(1be6)
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[11:40] <SpacenearUS> New vehicle on the map: 03SP6NVB-11 - 12http://tracker.habhub.org/#!qm=All&q=SP6NVB-11
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[12:08] <SpacenearUS> New vehicle on the map: 03SP6NVB-12 - 12http://tracker.habhub.org/#!qm=All&q=SP6NVB-12
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[12:10] <Lunar_Lander> hello
[12:10] <DL1SGP> hello Lunar_Lander
[12:11] <Ben-AstroSoc> o/
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[12:22] <Lunar_Lander> how's life?
[12:22] <DL1SGP> quite ok, and with you?
[12:23] <Lunar_Lander> same here
[12:23] <Lunar_Lander> flight movie rendering
[12:25] <DL1SGP> heh
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[12:28] <Ben-AstroSoc> nice
[12:28] <Ben-AstroSoc> just spent an hour trying to fill in a form for hmrc because it kept crashing my computer
[12:29] <Lunar_Lander> :(
[12:30] <Ben-AstroSoc> they insist you download adobe reader becuase it's some interactive form crap
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[12:32] <Vaizki> hmrc?
[12:32] <Vaizki> Her majesty's radio club? :)
[12:32] <Ben-AstroSoc> revenue and customs
[12:33] <Vaizki> ah. well that's just crap to require pdf forms
[12:33] <Ben-AstroSoc> the idea being i actually wanna get paid when i start my new job later in the year
[12:33] <Vaizki> you're so needy
[12:33] <Ben-AstroSoc> :^)
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[12:33] <Ben-AstroSoc> finally have everything scanning in and i didn't put my mouse through my monitor
[12:33] <Ben-AstroSoc> nailed it
[12:34] <fsphil> computers, making live easier since ... er,.. soon
[12:34] <Vaizki> https://narf-archive.com/pix/4ef2e8e521ae48c6208de43a2a1b2933b4f4b5c2.jpeg
[12:34] <fsphil> life*
[12:34] <Vaizki> this guy also nailed it
[12:34] <Ben-AstroSoc> i need to spend a weekend fixing my computer i think
[12:35] <Ben-AstroSoc> havent done a clean install for 2 years and its slooooow
[12:35] <fsphil> windows?
[12:35] <Ben-AstroSoc> yeah
[12:35] <fsphil> I never understood how that happens
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[12:35] <Ben-AstroSoc> i dropped £750 on it so it's supposed to run like lightning
[12:35] <Ben-AstroSoc> lolnope
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[12:36] <Ben-AstroSoc> actually have an SSD for it but i haven't got round to installing it yet
[12:36] <Ben-AstroSoc> probably should
[12:36] <Vaizki> Samsung SSD with old firmware? :)
[12:37] <Ben-AstroSoc> it's only got an hdd atm
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[12:37] <Ben-AstroSoc> i picked up a sandisk one for cheap duriing black friday and still haven't opened the box >_>
[12:40] <Vaizki> V300?
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[12:40] <Vaizki> Oh sorry those are Kingston
[12:42] <SpacenearUS> New vehicle on the map: 03SP6NVB-12 - 12http://tracker.habhub.org/#!qm=All&q=SP6NVB-12
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[13:07] <SpacenearUS> New vehicle on the map: 03KD2IIC - 12http://tracker.habhub.org/#!qm=All&q=KD2IIC
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[13:57] <SpacenearUS> New vehicle on the map: 03LORA1 - 12http://tracker.habhub.org/#!qm=All&q=LORA1
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[13:59] <AlvaroPelon> Hello, does anyone know how to upload APRS packets to APRS-IS without an igate, for example with a web.
[14:02] <Geoff-G8DHE_> You could use APRSDroid ?
[14:03] <Geoff-G8DHE_> But not muchne! use on a HAB as you would need to use a cell pho
[14:03] <Geoff-G8DHE_> phone *
[14:04] <AlvaroPelon> Im using a arduino, this arduino sends APRS over a VHF(144.800mhz) radio signal
[14:05] <Geoff-G8DHE_> For that you will need an amateur licence.
[14:05] <AlvaroPelon> But I don´t know how to upload this packet generated by the arduino to APRS-IS
[14:05] <AlvaroPelon> Yes, I have it
[14:08] <Geoff-G8DHE_> Well then use the APRS-IS API http://aprs.fi/page/api
[14:09] <fsphil> an igate is exactly what you need
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[15:12] <SpacenearUS> New vehicle on the map: 03KD5GOM-11 - 12http://tracker.habhub.org/#!qm=All&q=KD5GOM-11
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[16:04] <AndyEsser> which FTDI do people recommend?
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[16:16] <Lunar_Lander> ft232r is what they use all the time I think
[16:20] <chris_99> hmm, they're rather expensive, you can get an MCU with USB for the price of them
[16:21] <namor> dear all. we finally plan to start our solar balloon (HKLO1) from the southern switzerland tomorrow arround 12:00 (11:00 UCT). as tracker.habhub.org was still working last week, we hope it will also tomorrow. is there something more we need to do? the lora-tracker is on 434.454 MHz. the predicted floating hight will be 18'000 m. we will lose contact with our ground station pretty soon and will depend on our gateway in our car.
[16:22] <mattbrejza> namor: create a flight doc: http://habitat.habhub.org/genpayload/
[16:22] <namor> if anybody has a lora-gateway we would highly appreciate if you tune in to 34.454 MHz ;o)
[16:23] <mattbrejza> im sure people will if it heads our way
[16:23] <namor> 434.454 MHz, sorry.
[16:24] <namor> we will upload a new genpayload!
[16:24] <AndyEsser> Lunar_Lander: cheers
[16:26] <namor> the do id is: Doc ID:81a712e030789658945be10aff7e88e7
[16:27] <Lunar_Lander> you're welcome
[16:27] <mattbrejza> post it in #habhub so someone can apprive it
[16:27] <namor> thanks. and sorry...
[16:27] <mfa298> that looks like a payload doc that's never recieved valid telemetry
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[16:28] <mattbrejza> did you create a new payload doc rather than a new flight doc?
[16:28] <AndyEsser> chris_99: I'm quite happy with my MCU choice atm - will be moving to a 'better' on for mk2
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[16:28] <namor> yes. sorry. too confused about the difference.
[16:30] <mfa298> the payload doc descibes the telemetry format from a particular payload, so if you already had one that got you on the map that should be fine
[16:30] <chris_99> AndyEsser, gotcha, just seems weird they're so expensive. i'm trying to design a pcb with STM32F302VCT6TR at the mo, which is £2.76 with usb full-speed
[16:31] <mfa298> the flight document locks a particular version of a payload doc in for a flight, and also specifies date and time for the flight, this in turn means you can easily export the data at a later stage
[16:31] <mfa298> payload docs don't need approval, but flight docs do.
[16:32] <fsphil> someone's gotta pay the guy breaking their drivers
[16:32] <mfa298> when you put a payload/flightdoc id into the #habhub channel the bot will do some tests and display some information such as
[16:32] <mfa298> 16:27 < SpacenearUS> Payload config hkLo1 (88e7)
[16:32] <mfa298> 16:27 < SpacenearUS> Callsign(s): hkLo1
[16:32] <mfa298> 16:27 < SpacenearUS> Transmission #0: Lora 434.465 - 434.465 MHz USB RTTY 50/350Hz ASCII-8 none 2
[16:32] <mfa298> 16:27 < SpacenearUS> Last parsed: never
[16:35] <namor> strange. if you go to tracker.habhub.org and search for hkLo in all, there is a lot of successful parsings. i will switch on the tracker and gateway.
[16:36] <namor> there is a new genpayload: 81a712e030789658945be10aff82caf4
[16:38] <mfa298> that looks like a flightdoc, although only one of the four listed payloads has parsed recently
[16:39] <mfa298> best to stick the flightdoc id's into #habhub yourself, then you can see the results
[16:40] <namor> ok. thank you. how can i find out which payload was successfully parsed?
[16:40] <mfa298> typing '/j #habhub' into the chat line should open a new tab up for the habhub channel
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[16:51] <AndyEsser> chris_99: I'm planning on moving to something like an STM32 for the Mk3
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[16:52] <chris_99> AndyEsser, cool, i've only used the stm32 dev boards before, this is my first time playing with them on a pcb which should be entertaining heh. I bought a j-link clone a while ago to play programming arm chips, so i'll have to see how well that goes
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[16:58] <nick_> chris_99: I think you can use the USB boot loader on most of the STM32s
[16:58] <chris_99> nick_, but wouldn't i need to program that intially though via swd/jtag?
[16:59] <chris_99> or do they come with a bootloader already on?
[16:59] <fsphil> built-in
[17:00] <chris_99> ooh interesting, i'll definitely look into that, cheers
[17:00] <fsphil> http://www.st.com/web/en/resource/technical/document/application_note/CD00264342.pdf
[17:04] <chris_99> thanks
[17:20] <AndyEsser> need to think about best way for programming my AVR's on my boards
[17:21] <AndyEsser> was thinking just a simple 6-way ISP connector, but might go JTAG
[17:24] <AndyEsser> But then JTAG is probably overkill for a tracker that will be end-of-lifed pretty quickly and have limited functionality
[17:24] <AndyEsser> so going with what I know (ISP) might be easier
[17:27] <SpacenearUS> New position from 03hkLo1 after 038 days silence - 12http://tracker.habhub.org/#!qm=All&q=hkLo1
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[17:31] <Laurenceb_> printf debugging gets annoying very quickly
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[17:43] Nick change: xfce -> Guest75360
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[17:53] <Vaizki> I have jartza's press-on ISP cable now so might as well use that for programmin... and then I'll lose it and can't program ;)
[17:54] <fsphil> woo, usart wired up the correct way first time
[17:55] <Vaizki> whoa.. that's like a 10% probability
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[17:56] <Vaizki> just like plugging in a USB cable the right way
[17:58] <fsphil> even einstein couldn't explain it
[17:58] <daveake> chance of getting it right by thinking about it < chance of getting it right randomly < 50%
[17:59] <fsphil> I shall celebrate with pizza
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[18:00] <Vaizki> fsphil: I bet you'll get 2 pieces of salami on your slice, you're on a roll
[18:00] <Vaizki> no bun intended
[18:01] <Vaizki> ok so that was just bad, sorry..
[18:01] <Ben-AstroSoc> you guys are doing my bread in
[18:01] <Miek> Vaizki: this kneads to stop
[18:01] <daveake> This thread is pasta sell-by date
[18:03] <Vaizki> I'm a PITA for sure
[18:03] <fsphil> d'oh
[18:04] <Vaizki> d'oh? is that a klingon sarnie?
[18:05] <fsphil> Who'noS
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[18:39] <SpacenearUS> New vehicle on the map: 03KE0GIQ-11 - 12http://tracker.habhub.org/#!qm=All&q=KE0GIQ-11
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[18:45] <SpacenearUS> New position from 03KF7RCV-11 after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=KF7RCV-11
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[18:47] <amell> eroomde: cold shower? :)
[18:47] Action: SpeedEvil imagines a cod shower.
[18:48] <mfa298> is that what global warming gives you instead of it raining cats and dogs ?
[18:49] <Laurenceb_> this looks nice http://uk.rs-online.com/web/p/radio-frequency-development-kits/8750930/
[18:51] <mattbrejza> hopefully theyll have a longer life than the stm32w thing
[18:52] <Laurenceb_> heh
[18:52] <Laurenceb_> unfortunately max range is only ~30km, but useful for non balloon stuff
[18:53] <Laurenceb_> useful as a bluetooth replacement
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[18:55] <mattbrejza> thats still 100x better than the stated ntx2 range
[18:55] <mattbrejza> is it just a narrowband fsk thing?
[18:56] <mattbrejza> with built in ARQ nd stuff like that?
[18:56] <Laurenceb_> yes
[18:59] <Laurenceb_> ARQ+FEC+AFC+encryption
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[19:11] <Lunar_Lander> two amendments already
[19:11] <Lunar_Lander> should have measured temperature of the light sensor board and maybe used the free ADC channel to measure the 12V batt voltage
[19:12] <mattbrejza> did the radiation sensor stop working then?
[19:12] <mattbrejza> i think that was what the 12V was for?
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[19:12] <Lunar_Lander> yes
[19:12] <Lunar_Lander> above 7 km all readings drop to 0
[19:12] <mattbrejza> then didnt come back to life?
[19:12] <Lunar_Lander> for still unknown reasons
[19:13] <AndyEsser> that just means there's no radiation above 7km, right? :P
[19:13] <Lunar_Lander> back on descent
[19:13] <Lunar_Lander> when it was crossing 3 km on the way back down, it slowly came back
[19:13] <mattbrejza> have you checked the voltage of the battery?
[19:13] <mattbrejza> on the ground
[19:13] <Lunar_Lander> there is a thing, you get 0.4V "in darkness" because the opamps are wired to a 1.2V reference and the output is divided by 3
[19:13] <Lunar_Lander> yes, was 12.6 V
[19:14] <AndyEsser> Lunar_Lander: which flight?
[19:14] <Lunar_Lander> mine
[19:14] <mattbrejza> have you put it in the freezer?
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[19:14] <Lunar_Lander> no
[19:14] <mattbrejza> since batteries reduce their voltage with temperature
[19:14] <Lunar_Lander> that is true
[19:14] <AndyEsser> o derp... sorry, being dense :P
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[19:14] <Lunar_Lander> when the whole system was exposed to LN2, that was the only time we had a 12V batt in the cold
[19:14] <fsphil> is the stm32 virtual com port usable on linux?
[19:15] <mattbrejza> did is still work with LN2?
[19:15] <Lunar_Lander> let me check again
[19:15] <mattbrejza> but if it was insulated it probably only got down to like -10C min
[19:16] <Lunar_Lander> yea
[19:16] <Lunar_Lander> on test it also was 0
[19:16] <Lunar_Lander> it came back to life when the temperature increased above -32°C
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[19:17] <Lunar_Lander> I must admit I trusted the sun heating the pack enough
[19:17] <mattbrejza> well i doubt it got <32C in flight
[19:17] <Lunar_Lander> yeah
[19:17] <Lunar_Lander> or water got in
[19:17] <Lunar_Lander> after all it was a protoboard wrapped in foam and duct tape
[19:18] <mattbrejza> but then when youre warming something up from -100C (orwhatever) then the temperature probably wasnt uniform (so perhaps it was warmer than -32C when it came back to life
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[19:18] <Lunar_Lander> that can well be
[19:18] <Lunar_Lander> the -32 were in the tubes where the sensors sat
[19:19] <Lunar_Lander> and the one tube was aspirating air from the bottom due to the fan
[19:19] <fsphil> oh it works, was appearing as /dev/ttyACM0 not USB0
[19:20] <AndyEsser> good lord... FTDI is a 32-pin package...
[19:20] <AndyEsser> I was expecting like... 8-pin dip
[19:20] <AndyEsser> ha
[19:22] <AndyEsser> and eurgh, requires an external oscillator for 3v3 operation
[19:22] Action: AndyEsser throws a huff
[19:22] <fsphil> I don't expect there are many DIP parts with USB
[19:22] <Lunar_Lander> AndyEsser, well
[19:23] <Lunar_Lander> as I told
[19:23] <mattbrejza> could use the ch340G as used by the http://wtfduino.calumk.com/
[19:23] <Lunar_Lander> I chose a SOIC-28 for my FTDI
[19:23] <Lunar_Lander> didn't look it up before that it is SSOP-28
[19:23] <AndyEsser> yea, saw there was a SSOP-28 package as well
[19:23] <chris_99> fsphil, ive used the pic32 for usb
[19:23] <AndyEsser> but tbh, quite like the QFP packages
[19:23] <fsphil> chris_99: DIP?
[19:23] <chris_99> which has dip versions
[19:23] <chris_99> i used it on a breadboard
[19:23] <fsphil> does DIP have USB?
[19:23] <AndyEsser> just thought 32-pins (granted a bunch are NC) was excessive
[19:23] <chris_99> yes fsphil
[19:23] <fsphil> oh cool
[19:23] <AndyEsser> also, in reality, not a fan of DIP on PCBs
[19:24] Action: AndyEsser is moaning just for the sake of moaning
[19:24] <fsphil> just have a TX/RX/GND header
[19:24] <Lunar_Lander> FTDI comes in QFP?
[19:24] <fsphil> keep the ftdi external?
[19:24] <Lunar_Lander> they only have QFN
[19:24] <Lunar_Lander> oh ft232bl
[19:24] <AndyEsser> fsphil: nah, want to just have a micro-USB connector that handles everything
[19:24] <fsphil> I admit that would be useful
[19:25] <AndyEsser> Lunar_Lander: sorry - apologies - I meant QFN
[19:25] <Lunar_Lander> yea
[19:25] <Lunar_Lander> but FT232BL comes as LQFP
[19:25] <Lunar_Lander> just saw that
[19:25] <fsphil> but if it's only for development, would make more sense as a separate part
[19:25] <chris_99> fsphil, https://cdn.hackaday.io/images/2452691402071815767.jpg a lovely circuit using a pic32 i made ages ago, with a usb connector on the bottom
[19:25] <Lunar_Lander> http://uk.farnell.com/ftdi/ft232bl-tr/usb-to-uart-smd-lqfp32-232/dp/9519769
[19:25] <AndyEsser> fsphil: not a dev board, this is on-circuit, flight ready USB
[19:28] <AndyEsser> because of my "code once, config many" plans for it, and potentially trying to commercialise it - I just want to be able to plug in a cable that most people would just have lying around and configure it :)
[19:28] <Lunar_Lander> yea :)
[19:29] <AndyEsser> especially since I've yet to get my USB-TTL cable working :)
[19:29] <Lunar_Lander> :)
[19:30] <Lunar_Lander> my FTDI is dead I think
[19:30] <Lunar_Lander> the one that plugs into the pro mega arduino
[19:30] <Lunar_Lander> so it goes, arduino uno, arduino mega, ftdi
[19:30] <Lunar_Lander> wrecked
[19:30] <fsphil> maybe the windows drivers killed it
[19:30] <Lunar_Lander> was only used on linux :)
[19:30] <fsphil> ah
[19:30] <fsphil> wise
[19:31] <Lunar_Lander> but when I try to program, the TX LED flashes once and then it says "timeout"
[19:31] <Lunar_Lander> and ISP still works, so the atmega seems to be OK
[19:31] <fsphil> have you got a scope?
[19:31] <Lunar_Lander> yeah
[19:31] <fsphil> or even just short the tx and rx pins, see if it works as a loopback
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[19:34] <Lunar_Lander> yeah
[19:34] <Lunar_Lander> tbh I hope it still works
[19:34] <Lunar_Lander> will look at it tomorrow
[19:39] <fsphil> the nucleo dev boards header layout seems to have been generated at random
[19:39] <fsphil> most pins for serial or spi seem to be spread out all over the place
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[19:44] <Lunar_Lander> ohhhhh
[19:49] <Vaizki> hmm can any of the common low volume pcb fabs do gold fingers for card edge connectors? anyone seen it mentioned?
[19:49] <Vaizki> like on an ISA card
[19:51] <Miek> i've seen it mentioned a few times in #hackvana
[19:52] <mattbrejza> can you just do a normal board but with enig instead of hasl?
[19:55] <Vaizki> hmmmm I guess... never soldered anything on enig
[19:55] <Vaizki> probably not that different?
[19:59] <fl_0> re
[19:59] <fl_0> o/
[19:59] <Miek> ENIG is soft and thin, so it won't be as durable as electroplated gold for edge connectors
[20:02] <Vaizki> right, hard gold
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[22:34] <Lunar_Lander> an interesting prediction http://predict.habhub.org/#!/uuid=425cb2e6b98f0c9403664535766ef03778f9275e
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[22:51] <Vaizki> would be quite handy
[22:55] <Lunar_Lander> yeah
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[23:21] <Lunar_Lander> good night
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[23:39] <gb73d> gravity waves !
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[00:00] --- Mon Feb 15 2016