highaltitude.log.20160326

[00:04] <fsphil> it does
[00:05] <fsphil> you could get an ssdv packet down to 218 bytes by removing the bits you don't need for ax.25
[00:05] <fsphil> and in a way that could be reversed for uploading to the server
[00:06] <DL7AD__> https://drive.google.com/file/d/0BwzVllHCGu5FSDEzSXFMcnRpQlE/view?usp=sharing
[00:08] <Lunar_Lander> good night!
[00:08] <fsphil> nice. but you keep putting your gps antenna near the main tx :p
[00:08] <fsphil> nite LL
[00:08] <DL7AD__> gn Lunar_Lander
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[00:11] <DL7AD__> btw i have to point out, we are running ChibiOS on the STM32 of our tracker :)
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[00:34] <DL7AD__> fsphil: the tracker has 29.8g
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[06:32] <SpacenearUS> New vehicle on the map: 03jo70uw_chase - 12http://tracker.habhub.org/#!qm=All&q=jo70uw_chase
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[06:45] <DL7AD__> good morning
[06:47] <DL7AD__> the weather is good enough for launch today. we will launch in ~30min
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[06:49] <x-f> nice, good luck with the launch!
[06:49] <x-f> good morning
[06:49] <Jerry> good morning
[06:51] <DL7AD__> x-f: thanks
[06:51] <DL7AD__> morning Jerry
[06:53] PE2BZ (53809120@gateway/web/freenode/ip.83.128.145.32) joined #highaltitude.
[06:53] <Jerry> Hi Good morning, I am located ease of limoges in France hoping to hear Frinus
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[06:55] <PE2BZ> !flights
[06:55] <SpacenearUS> 03PE2BZ: Current flights: 03hkSOL3 10(8460), 03FRINUS 10(0466), 03Pecan SSDV Tracker 10(e3a9)
[06:55] <PE2BZ> !payload frinus
[06:55] <SpacenearUS> 03PE2BZ: Payload 03FRINUS 10(0466) 03$$FRINUS - 03Primary - 03434.5 MHz USB 03RTTY 50/350Hz ASCII-8 none 2
[06:57] <PE2BZ> Jerry , if Prinus is going to burst altitude (30 km or up) it's almost impossible not to receive it. I receive HAB's about 400 km away when they reach 10 km.
[07:00] <Jerry> OK, great. For some reason I rarely hear them down hear. I can hear the F5ZBM JT65B beacon on 144.405 some of the time so i know the set up is wprking
[07:01] <Jerry> apologies for spelling, its too early !
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[07:38] <DL7AD> launched
[07:38] <DL7AD> http://aprs.fi/#!call=a%2FDL7AD-12&timerange=3600&tail=3600
[07:38] <DL7AD> RTTY 145.3MHz USB
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[07:44] <ntx2> Hello
[07:44] <ntx2> I am testing my FRINUS launch...I have my dl-fldigi online
[07:44] <ntx2> but I do not see the payload on the map
[07:45] <jcoxon> DL7AD hooray
[07:46] <ntx2> what am I doing wrong?
[07:46] KT5TK (~thomas@p5B37BFC9.dip0.t-ipconnect.de) joined #highaltitude.
[07:46] <jcoxon> ntx2, have you organised a payload document?
[07:46] <ntx2> yes, got it approved also
[07:47] <ntx2> 8b62fd0de429bee195c6c731f46a0466
[07:47] <ntx2> is the payload id
[07:47] <ntx2> #habhub
[07:47] <jcoxon> have you clicked dl-fldigi to be online?
[07:47] <jcoxon> and then selected it in the drop down?
[07:47] <ntx2> yes
[07:49] <jcoxon> hmm something doesn't match up between the packet and the doc
[07:49] <jcoxon> if you look here
[07:49] <jcoxon> http://habitat.habhub.org/logtail/
[07:49] <jcoxon> you'll want to pause it (link in the header)
[07:51] <jcoxon> could it be that it thinks there isn't a gps lock?
[07:51] <SpacenearUS> New position from 03FRINUS after 032 days silence - 12http://tracker.habhub.org/#!qm=All&q=FRINUS
[07:52] <jcoxon> there we go
[07:53] <jcoxon> DL7AD i'm enjoying the ssdv from your pico
[07:53] <DL7AD> jcoxon: thanks :) we do too here
[07:53] <jcoxon> do you have a webpage for the payload?
[07:53] <DL7AD> its everything so perfect right now
[07:54] <DL7AD> jcoxon: thomas will write a blogpost later
[07:54] <DL7AD> http://kt5tk.wordpress.com/
[07:55] <jcoxon> how much does it weigh?
[07:56] <jcoxon> oh <6g
[07:56] <jcoxon> how many balloons?
[07:56] <SpeedEvil> I find it ridiculous that you can get quadcopters in under 8 grams.
[07:57] <DL7AD> jcoxon: 3 balloons stacked with tape
[07:57] <DL7AD> the payload has a weight of 30g
[07:57] <DL7AD> 3 qualatex balloons
[07:57] <DL7AD> free lift 8.5g
[07:58] <jcoxon> DL7AD, we need to get you some of the UBSEDS balloons
[07:58] <jcoxon> then you could just use 1 balloon,
[07:59] <jcoxon> DL7AD, its a really smart payload - good luck!
[07:59] <DL7AD> jcoxon: yes but we do ssdv on a floater :P
[07:59] <DL7AD> https://drive.google.com/folderview?id=0BwzVllHCGu5FUFMxSm9KR3ZIdUU&usp=sharing
[08:00] <jcoxon> DL7AD, oh i know - its very cool
[08:00] <DL7AD> we almost worked half a year on that tracker :P
[08:01] <jcoxon> hehe
[08:01] <DL7AD> we use a STM32F4 BGA version with 200pins
[08:01] <jcoxon> something a bit strange on the ssdv pic
[08:01] <jcoxon> i think its looping
[08:01] <ntx2> Thank you
[08:01] <ntx2> it was not plotting since there was no GPS lock
[08:01] <DL7AD> jcoxon: yeah i see that
[08:01] <ntx2> a question
[08:01] <jcoxon> 200 pins - eek
[08:01] <ntx2> how to get the live prediction for the balloon on the habhub map?
[08:02] <jcoxon> ntx2, it just happens when it flys, nothing that needs to be turned on
[08:02] <jcoxon> it needs to collect data first from the beginning of the flight
[08:03] <ntx2> ok...thanks
[08:03] <jcoxon> up till then its best to use the proper predictor
[08:04] <jcoxon> DL7AD, did you see that we did some range testing with ukhasnet and managed 18.75km on the ground
[08:04] <jcoxon> with 2 way comms
[08:04] <ntx2> so when it detects the change in altitude..it starts the prediction
[08:04] <ntx2> ?
[08:04] <DL7AD> jcoxon: wow :) thats cool
[08:04] <DL7AD> jcoxon: do you still use the RFM modules?
[08:04] <jcoxon> i do, other people have got it working on other chips
[08:06] <DL7AD> :)
[08:06] <jcoxon> http://jamescoxon.net/?p=143
[08:06] <DL7AD> its not looping the image again :)
[08:06] <jcoxon> how long does a pic take?
[08:08] <SpacenearUS> New vehicle on the map: 03DL7AD-12 - 12http://tracker.habhub.org/#!qm=All&q=DL7AD-12
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[08:09] <DL7AD> jcoxon: yesterday it took 45min for 50pics
[08:10] <DL7AD> but unfortunatey i see now i have a bug in the code.... somehow
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[08:10] <DL7AD> in the UKHAS telemetry transmissions
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[08:10] <jcoxon> slow pics are better then no pics
[08:10] <DL7AD> ehm 45min for 50 packets
[08:11] <jcoxon> maybe we should call it sssdv
[08:11] <DL7AD> the SSDV(RTTY) and SSDV(APRS) are running synchronous
[08:11] <jcoxon> slow slow scan digital video
[08:11] <DL7AD> so both data streams can be combined
[08:11] <jcoxon> okay
[08:11] <KT5TK> We're sending each packet twice. once ssdv and once aprs
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[08:12] <jcoxon> so to ssdv website they are the same just a different rx
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[08:12] <KT5TK> right
[08:12] Action: jcoxon can see him watching this all day despite all the chores he has to do...
[08:14] <DL7AD> jcoxon: we have a special script running on a server which sends the arps(SSDV) data to habhub
[08:14] <jcoxon> nice
[08:14] <DL7AD> its simply SSDV base64 encoded surrounded by APRS
[08:14] <jcoxon> eek, the APRS network won't like you for that
[08:14] <jcoxon> :-)
[08:15] <DL7AD> sure
[08:15] <jcoxon> but its not like its all the time
[08:15] <jcoxon> and whats the point of having a network if you don't use it
[08:15] <KT5TK> No APRS path at all
[08:15] <jcoxon> ooo a road
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[08:15] <jcoxon> it'll be awesome when it gets a bit remoter
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[08:17] <tweetBot> @jamescoxon: the grail of pico ballooning - long duration with ssdv launched from Germany (https://t.co/6lasfHaQTK, https://t.co/D5eNohClpU) #ukhas
[08:17] <SpacenearUS> New vehicle on the map: 03SP9UOB-rs41 - 12http://tracker.habhub.org/#!qm=All&q=SP9UOB-rs41
[08:17] <DL7AD> jcoxon: maybe we will see the chinese wall :D
[08:17] <jcoxon> pictures at night?
[08:18] <KT5TK> No, switching ssdv off at night (when solar is 0V) to save power.
[08:18] <jcoxon> cool
[08:18] <DL7AD> no belov solar=1V
[08:18] <jcoxon> makes sense
[08:19] <DL7AD> or if baterry is below 3.7v
[08:19] <DL7AD> but it will send the whole picture until its end completely
[08:20] <SM0ULC-Reb> morning!
[08:20] <jcoxon> okay
[08:20] <jcoxon> morning SM0ULC-Reb
[08:20] <DL7AD> SM0ULC-Reb: morning
[08:20] <DL7AD> so the transmission ends in the evening when solar drops below 1V. and in the morning its waiting for the baterry (3.7v)
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[08:23] <DL7AD> jcoxon: next image :P
[08:23] <jcoxon> nearly there
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[08:24] <DL7AD> jcoxon: 89 packets is a lot. i never had that many
[08:24] <DL7AD> ehm 86
[08:25] <jcoxon> obviously a very complicated image
[08:25] <jcoxon> didn't compress well
[08:25] <SpacenearUS> New position from 03hkLo1 after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=hkLo1
[08:26] <jcoxon> are you guys tracking with rtty as well?
[08:27] <KT5TK> yes
[08:27] <DL7AD> but the packet has an error
[08:28] <DL7AD> so its not recognized by habhub
[08:29] <jcoxon> can we hot fix it?
[08:29] <jcoxon> if we ping fsphil
[08:29] <DL7AD> it has a - after the decimal
[08:29] <DL7AD> never had that
[08:30] <jcoxon> the habhub guys could fix it server side
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[08:32] <jcoxon> looks like its nicely above the clouds now
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[08:33] <DL7AD> jcoxon: yep
[08:34] <SpacenearUS> New vehicle on the map: 03Frinus_chase - 12http://tracker.habhub.org/#!qm=All&q=Frinus_chase
[08:34] <fsphil> one sec, just waking brain up
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[08:34] <fsphil> DL7AD: do you know what the error is?
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[08:35] <DL7AD> fsphil: it has a decimal in after the decimal
[08:35] <DL7AD> something like 52.-3426
[08:35] <DL7AD> you can verify it by aprs
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[08:38] <fsphil> is it being uploaded? can't see it in logtail
[08:39] <DL7AD> fsphil: i dont know
[08:39] <DL7AD> i can send you a file with some samples
[08:40] <fsphil> are you receiving it now?
[08:41] <fsphil> ah there is one now
[08:41] <fsphil> both lat and lng
[08:41] <DL7AD> yep
[08:41] <fsphil> how'd you manage that? :)
[08:41] <jcoxon> DL7AD, KT5TK - now need to play the game of trying to find the exact map overlay to match the image
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[08:43] <pb0ahx> !flights
[08:43] <SpacenearUS> 03pb0ahx: Current flights: 03hkSOL3 10(8460), 03FRINUS 10(0466), 03Pecan SSDV Tracker 10(e3a9)
[08:43] <pb0ahx> !dial 0466
[08:43] <SpacenearUS> 03pb0ahx: Latest dials for 03FRINUS 10(0466): none
[08:44] <fsphil> your ssdv over aprs is working very well
[08:45] <DL7AD> fsphil: yes. i'm suprised
[08:45] <KT5TK> Send a couple of those ssdv floaters and create your own Google maps
[08:46] <DL7AD> fsphil: but not all of the packets have been received
[08:47] <jcoxon> the clouds look as if they have been painted
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[08:49] <DL7AD> i have to point out, we use a operating system on the tracker
[08:49] <DL7AD> ChibiOS
[08:49] <DL7AD> https://github.com/DL7AD/pecan-stm32f429
[08:49] <DL7AD> i wrote some documentation
[08:50] <fsphil> the built-in scaling on that camera is a bit poor, I don't think it's doing any low pass filtering
[08:50] <fsphil> one of the reasons the image is so big too, lots of high frequency content
[08:51] <DL7AD> we stop the transmission as we take the pic
[08:51] <DL7AD> but the analog VCC of the camera is connected to the switching regulator
[08:51] <DL7AD> we changed it to an LDO on the next revision
[08:52] <DL7AD> and i hope we can use the OV2640 on the next flight
[08:52] <DL7AD> and i hope fsphil and i can work out a more sophisticated protocol next time
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[08:56] <jcoxon> next pic!
[08:57] <DL7AD> fsphil jcoxon: i made an error on this design. i connected the oscillator to OSC32_IN instead of OSC_IN of the STM32. so im forced to use the internal STM32 clock
[08:57] <DL7AD> but it moves in frequency around 5% at -20C
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[08:58] <DL7AD> so i adjust the PLLN by the timepulse of the GPS
[08:58] <DL7AD> and that value is transmitted in the APRS packet as comment
[08:59] <DL7AD> PLLN 360 is nominal but it is increased due to the low temperature as the oscillator drops in frequency
[08:59] <DL7AD> its currently at 367
[08:59] <DL7AD> and that has been the reason why we had to move the launch last time.
[09:00] <DL7AD> because we couldnt decode the tracker anymore at-20C
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[09:03] <jcoxon> eek a glitch in the picture
[09:03] <jcoxon> looks like another loop
[09:04] <fsphil> it's not a jpeg glitch
[09:05] <fsphil> it's not an exact repeat either. that's weird
[09:05] <fsphil> looks like it went to the next frame
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[09:14] <KT5TK> https://kt5tk.wordpress.com/2016/03/26/first-ssdv-floater/
[09:14] <fsphil> *pico :)
[09:14] <KT5TK> Possibly the loop is because of a buffer overflow
[09:15] <fsphil> actually, might be the first ssdv pico
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[09:16] <KT5TK> Not much ram in the STM32F429. Pictures are more detailed than we tested.
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[09:21] <jcoxon> nearly onto the next pic
[09:21] <Agena_Blafsen> Hey all, This is team Agena :)
[09:21] <jcoxon> hi Agena_Blafsen
[09:22] <Agena_Blafsen> We will be launching our Agena HAB balloon from south-Holland in about 30 minutes.
[09:23] <jcoxon> Agena_Blafsen, will it be on habhub?
[09:23] <PE2BZ> Agena_Blafsen good to hear. All is ready for receive over here :-)
[09:26] <Agena_Blafsen> Yup will be on Habhub.
[09:26] <Agena_Blafsen> We:l start inflating now :)
[09:26] <fsphil> good luck!
[09:26] <fsphil> all busy today. you can tell the weather is improving :)
[09:26] <jcoxon> fsphil, not if i look outside...
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[09:33] <PE2BZ> GM Frits. Agena inflating has started...
[09:34] <PE2G> GM, Ben. Tnx for the info.
[09:34] <PE2BZ> Agena_Blafsen Agena2 is not (yet) in the fldigi flight list. Will it appear or should I set manually ?
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[09:35] <DL7AD> fsphil: ping
[09:36] Halfdead (~Halfdead@71-84-11-44.dhcp.trlk.ca.charter.com) joined #highaltitude.
[09:36] <pb0ahx> PE2BZ, goeden morgen je hebt het weer mee gelukkig suc6 er mee ik ga je volgen
[09:37] <PE2G> PE2BZ: There are 2 AGENA2s in Browse All -> All payloads
[09:39] <PE2BZ> pb0ahx Goedemorgen Herman. Agena2 is not my payload. I just informed PE2G that inflating has started, because the Agena crew posted it on IRC before PE2G was online.
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[09:40] <pb0ahx> PE2BZ, ok tnx
[09:42] <jcoxon> interesting pics coming from DL7AD
[09:42] <PE2BZ> PE2G tnx Frits. Learned something new today.
[09:42] <PE2G> One of the AGENA2s in the all payloads list has 'auto mode switch'. I don know if that'll work.
[09:43] Jerry (5faa14ae@gateway/web/freenode/ip.95.170.20.174) left irc: Ping timeout: 250 seconds
[09:43] <PE2G> I think I'll run two instances of dl-fldigi initially
[09:45] <PE2BZ> PE2G me too, one with the SDR with Logper and one with the Icom with V-2000 colineair
[09:45] <Agena_Blafsen> Agena should appear on Habhub any minute now
[09:46] <SpacenearUS> New position from 03AGENA2 after 032 days silence - 12http://tracker.habhub.org/#!qm=All&q=AGENA2
[09:46] <PE2BZ> But first have to buy some easter eggs... That´s the only thing I forgot when shopping.
[09:46] <DL7AD> fsphil Upu : our script gets HTTP error 400 sometimes
[09:46] <DL7AD> from the SSDV server
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[09:52] <fsphil> is your process re-trying?
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[09:55] <fsphil> DL7AD: can you post the full error
[09:56] <KT5TK> --- new packet ---
[09:56] <KT5TK> DL7AD-12>APECAN,DB0SBB*,WIDE,qAR,DB0ERZ:{{IVWYCpfH5BwAGFA8AFAAkn0rQt7Ixq7SfexkA9jQ7bsTfbc/FVSygls5PIPUVZFibqIFAu4HpnrTooWljddoDEZyD1qbT4ZoJN0jMQTyCc0zF33CztpYnAYkD0rorVgAATVWIK75z17VZZdi8HB9aTfcEtbk0r7QzdQO
[09:56] <KT5TK> Custom ssdv packet found:
[09:56] <KT5TK> Path: DL7AD-12>APECAN,DB0SBB*,WIDE,qAR,DB0ERZ:
[09:56] <KT5TK> Payload: VWYCpfH5BwAGFA8AFAAkn0rQt7Ixq7SfexkA9jQ7bsTfbc/FVSygls5PIPUVZFibqIFAu4HpnrTooWljddoDEZyD1qbT4ZoJN0jMQTyCc0zF33CztpYnAYkD0rorVgAATVWIK75z17VZZdi8HB9aTfcEtbk0r7QzdQO (Base91 encrypted)
[09:56] <KT5TK> 55,66,02,A5,F1,F9,07,00,06,14,0F,00,14,00,24,9F,4A,D0,B7,B2,31,AB,B4,9F,7B,19,00,F6,34,3B,6E,C4,DF,6D,CF,C5,55,2C,A0,96,CE,4F,20,F5,15,64,58,9B,A8,81,40,BB,81,E9,9E,B4,E8,A1,69,63,75,DA,03,11,9C,83,D6,A6,D3,E1,9A,09,37,48,CC,41,3C,82,73,4C,C5,DF,70,B3,B6,96,27,01,89,03,D2,BA,2B,56,00,00,4D,55,88,2B,BE,73,D7,B5,59,65,D8,BC,1C,1F,5A,4D,F7,04,B5,B9,34,AF,B4,33,75,03,
[09:56] <KT5TK> receiver_callsign = APRS/DB0ERZ
[09:56] <KT5TK> server_base_url = http://ssdv.habhub.org/api/v0/packets
[09:56] <KT5TK> RFC3339_timestamp = 2016-03-26T09:52:27Z
[09:56] <KT5TK> post_data = {
[09:56] <KT5TK> "type": "packet",
[09:56] <KT5TK> "packet": "VWYCpfH5BwAGFA8AFAAkn0rQt7Ixq7SfexkA9jQ7bsTfbc/FVSygls5PIPUVZFibqIFAu4HpnrTooWljddoDEZyD1qbT4ZoJN0jMQTyCc0zF33CztpYnAYkD0rorVgAATVWIK75z17VZZdi8HB9aTfcEtbk0r7QzdQO",
[09:56] <Agena_Blafsen> Agena liftof
[09:58] <jcoxon> eek
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[09:59] <fsphil> it's all gone a bit weird
[10:00] <fsphil> temperature effect?
[10:00] <DL7AD> fsphil: no we get the error on the perl script on the server
[10:01] devtt (59f23db7@gateway/web/freenode/ip.89.242.61.183) joined #highaltitude.
[10:01] <fsphil> 400 is "bad request", server isn't happy about something you are sending
[10:01] <fsphil> i'm not sure what
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[10:02] <fsphil> it's not getting as far as my scripts
[10:03] G3WDI (6d96fb7e@gateway/web/freenode/ip.109.150.251.126) joined #highaltitude.
[10:04] <DL7AD> fsphil: thomas will write you an email with the full error code
[10:05] DutchMillbt (5380fbdd@gateway/web/freenode/ip.83.128.251.221) joined #highaltitude.
[10:06] Jerry (5faa14ae@gateway/web/freenode/ip.95.170.20.174) joined #highaltitude.
[10:06] <Jerry> !Flights
[10:06] <Jerry> ! Flights
[10:09] <PE2G> I have some weak intermittent traces on 434.315
[10:09] <fsphil> DL7AD: did you see my message in #habhub?
[10:10] Zokol (~Zokol@91.121.73.69) got netsplit.
[10:10] <DL7AD> fsphil: no
[10:10] <KT5TK> fsphil the script is here if you want to check: http://pastebin.com/tcag3hXq
[10:14] <pb0ahx> !flights
[10:14] <SpacenearUS> 03pb0ahx: Current flights: 03hkSOL3 10(8460), 03FRINUS 10(0466), 03Pecan SSDV Tracker 10(e3a9)
[10:14] <pb0ahx> no flight doc of AGENA2 ??
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[10:17] <PE2G> pb0ahx: I had some traces on 434.315, but disappeared a while ago
[10:17] <pb0ahx> here also on 315 some sound but going up and down
[10:20] <PE2G> Yep, it's still there, but no RTTY
[10:20] <pb0ahx> also some very low sound on 324.5
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[10:23] <PE2G> 324.5 looks a bit like RTTY sometimes, but unreadable
[10:26] <jcoxon> hkLo1 seems to be doing well
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[10:36] <PE2G> Agena_Blafsen: Any idea what went wrong?
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[10:52] ntx2 (500c2a0d@gateway/web/freenode/ip.80.12.42.13) joined #highaltitude.
[10:53] <ntx2> Hey - the FRINUS chase team here
[10:53] <ntx2> I do not see live forecast on habhub...
[10:53] <ntx2> any idea why?
[10:54] <jcoxon> i can see a live forcast
[10:54] <ntx2> where do you see it?
[10:54] <jcoxon> no data for 6minutes though
[10:56] <jcoxon> are you still uploading data/
[10:56] <jcoxon> ?
[10:56] <ntx2> I am doing it for the first time
[10:56] <ntx2> so I am still trying to adjust gqrx
[10:56] <ntx2> I can hear the signal faintly
[10:57] <jcoxon> okay so key is to get more data as the live prediction isn't accurate yet (it thinks Russia is the landing site)
[10:58] <ntx2> I see
[10:59] <Jerry> is Frinus on 434.500
[10:59] <ntx2> no one else is listening?
[10:59] <ntx2> FRINUS is 434.388
[10:59] <Jerry> ok
[10:59] <SpacenearUS> New vehicle on the map: 03PYSY - 12http://tracker.habhub.org/#!qm=All&q=PYSY
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[11:05] <jcoxon> ntx2, if you need more listeners then might be worth emailing hte mailing list and saying that its launched and you need more people to listen
[11:06] <PE2BZ> !payload frinus
[11:06] <SpacenearUS> 03PE2BZ: Payload 03FRINUS 10(0466) 03$$FRINUS - 03Primary - 03434.5 MHz USB 03RTTY 50/350Hz ASCII-8 none 2
[11:06] <pb0ahx> AGENA2 is not flying anymore ??
[11:06] <PE2BZ> !dial frinus
[11:06] <SpacenearUS> 03PE2BZ: Latest dials for 03FRINUS 10(0466): none
[11:06] <PE2BZ> pb0ahx I hear completely nothing, Herman !
[11:07] <pb0ahx> no here also nothing hearing
[11:07] ntx2 (500c2a0d@gateway/web/freenode/ip.80.12.42.13) left irc: Ping timeout: 250 seconds
[11:08] <PE2G> pb0ahx: Agena balloon and crew have mysteriously disappeared ;)
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[11:09] <pb0ahx> goost
[11:09] <PE2BZ> They are hiding Easter Eggs ?
[11:09] ntx2 (500c27f1@gateway/web/freenode/ip.80.12.39.241) joined #highaltitude.
[11:09] <PE2BZ> ntx2 do you have any idea what height FRINIUS is now ?
[11:11] <pb0ahx> PE2BZ, lot of wind here also by u ??
[11:12] <PE2BZ> pb0ahx the childrens bicycles where laying on the floor. The oldest one told me they needed their sleep...
[11:13] <ntx2> last I heard
[11:13] <pb0ahx> hahahahaha
[11:13] <ntx2> it was at 1.5 km
[11:13] <PE2BZ> pb0ahx and he´s only 14 years old :-)
[11:13] <pb0ahx> nice
[11:13] <PE2BZ> ntx2 and you are close to the launching place ?
[11:14] <PE2BZ> I have my SDR setup at 27 m ASL and receive totally nothing around 434.388 at this moment.
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[11:14] <ntx2> I am getting something (I think) at 434.387390
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[11:14] <ntx2> I am not near the landing place yet
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[11:15] <ntx2> PE2BZ - are you near France?
[11:15] <ntx2> sorry...I am driving to the burst location
[11:15] <ntx2> I am not near the launch place anymore
[11:16] <PE2BZ> ntx2 No, near the Hague in the Netherlands. My RX range is about 300 km with hab´s at 9 km height and 600+ km at 27 km height.
[11:17] <ntx2> so you might receive the signal if our balloon reaches 9 km?
[11:17] <PE2BZ> ntx2 take care.. don´t IRC and drive at the same time...
[11:17] <SpacenearUS> New position from 03Legionowo after 0310 hours silence - 12http://tracker.habhub.org/#!qm=All&q=Legionowo
[11:17] <ntx2> I am the passenger :)
[11:17] <ntx2> or navigator
[11:18] <PE2BZ> ntx2 that´s good news ! If the balloon reaches 9 km I would shurely receive it. I have started the recorder for the rande 434.000 - 436.000 for 4 hours. If it appears on a different frequency I´ll let you know.
[11:19] <PE2BZ> ntx2 rande is supposed to be range ;-(
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[11:22] <ntx2> I can hear the signal
[11:22] <ntx2> but not decoding packets
[11:22] <ntx2> is there any setting that I can enable to ensure that decoding happens
[11:23] <fsphil> if only it where that simple
[11:23] <fsphil> where you not decoding before you launched?
[11:23] <ntx2> I was decoding before launch
[11:23] <ntx2> after also
[11:23] <ntx2> now the signal is very very faint
[11:23] <fsphil> that was my next question
[11:23] <Jerry> can you give us the dial frequency?
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[11:23] <fsphil> can you take us a screenshot?
[11:23] <ntx2> 434.387390
[11:24] <fsphil> just to make sure there isn't something silly stopping it working
[11:24] <PE2BZ> ntx2 few questions: what RX ? RTL-Dongle ? Did you set PPM of the RX to be sure about the RX frequency ?
[11:24] <fsphil> it does sound like you might have a bad antenna, or faulty connection. especially if everyone else is also having trouble seeing the signal
[11:25] <SpacenearUS> New position from 03SP6NVB-11 after 0311 hours silence - 12http://tracker.habhub.org/#!qm=All&q=SP6NVB-11
[11:25] <ntx2> I am using a 70 cm antenna connected to a HABAMP
[11:25] <ntx2> I can see parts of the pacckets
[11:25] <ntx2> I can see parts of the signal I mean
[11:26] <PE2BZ> ntx2 fsphil means the TX antenna from your payload. If no one else receives it perhaps there is no good connection between TX and the TX antenna.
[11:27] <fsphil> I did this once too. your description of it fading after lauch sounds familiar :/
[11:27] <fsphil> launch*
[11:28] <ntx2> I am getting the signal since I can hear it and can see parts of my call sign like FRI-- etc
[11:28] <fsphil> are your two lines in fldigi matching with the payload signal lines?
[11:28] <ntx2> sending the screenshots
[11:29] <ntx2> got this part just now
[11:29] <ntx2> $fRINUS,273,112914,47.970018,-f-V--99--w7z-W-----0f,2--8r,--Y3013
[11:29] <ntx2> so it is at 11 km
[11:29] <PE2BZ> ntx2 can you confirm my question about how shure you are that your reception frequency is actually the transmitter frequency ? If your RX is offset from the frequency we never gonna find the signal.
[11:30] <PE2BZ> ntx2 112914 would be the UTC time I guess >
[11:31] <ntx2> I think so too
[11:31] <PE2BZ> 273 means frame 273. One frame each ... second , that way you can calculate the flight duration, multiplied by the upgoing speed could give you a prediction of the hight
[11:31] <ntx2> the frequency is at the TX frequency
[11:34] <PE2BZ> is it one frame eacht minute >
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[11:51] <G8FJG> about 5mins ago saw a carrier on 434.500 and 2 rtty sigs one 434,498 the other 434,502 couldnt decode v weak ..on now
[11:51] <ntx2> figured out that I did not put the GPS in flight mode
[11:51] <ntx2> so we are getting no GPS lock
[11:51] <ntx2> I was able to get a good signal just now
[11:51] <G8FJG> now gone
[11:53] <pb0ahx> on 434.388 is nill here
[11:53] <G8FJG> back now
[11:53] <ntx2> its 434.387390
[11:53] <ntx2> stupidity on my part
[11:54] <ntx2> to not put gps in flight mode
[11:55] <G8FJG> off
[11:57] <G8FJG> got to go for 20mins but think your actual freq is 434.502
[11:57] <ntx2> mine?
[11:57] <ntx2> but I am decoding packets at 434.387390
[11:59] <ntx2> so will the GPS data like lat/long and altitude be accurate when the GPS is above the cocom limit and not in flight mode?
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[12:02] <ntx2> hey fab4space
[12:07] <ntx2> does anyone know how the GPS behaves when it is not in flight mode and above the cocom limit?
[12:08] <DL7AD> ntx2: the ublox modules?
[12:09] <ntx2> yes
[12:09] <pb0ahx> PE2BZ, u have hearing someting from AGENA2 team ??
[12:09] <DL7AD> ntx2: when i'm remembering correctly. the last postion.
[12:09] <DL7AD> ntx2: i have a gps sim at home
[12:10] <PE2BZ> pb0ahx completely nothing.
[12:10] <ntx2> ok
[12:10] <ntx2> I am wondering when the payload will start sending correct coordinates
[12:10] <DL7AD> ntx2: and it continoues transmission as it falls below the specific alt
[12:10] <ntx2> I am hoping that it will automatically get a gps lock when it comes below the height limit
[12:11] <DL7AD> well it transmits all the time
[12:11] <DL7AD> its just like gps loss messages
[12:11] <ntx2> even the altitude will be wrong when it is over the limit
[12:12] <ntx2> ?
[12:13] <daveake> I think it will just send the last lat/long/alt until it falls below 12km on the way down
[12:13] <ntx2> the limit is 18 km, right?
[12:13] <daveake> which gps?
[12:14] <ntx2> ublox 7Q
[12:14] <daveake> #12km for default mode
[12:14] <ntx2> ok
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[12:28] <SpacenearUS> New vehicle on the map: 03SP6VWX-rs41 - 12http://tracker.habhub.org/#!qm=All&q=SP6VWX-rs41
[12:29] <G8FJG> ntx2 is it transmitting now
[12:30] <PE2G> G8FJG: what shift do you have?
[12:31] <G8FJG> 350
[12:31] <PE2G> tnx
[12:31] <G8FJG> what ever I see has stopped
[12:32] <PE2G> Then I'm looking at something else...
[12:32] <pb0ahx> PE2G, wat qrg::
[12:32] <PE2G> .502
[12:33] <ntx2> i still see it
[12:33] <G8FJG> its only a few db over noise here, right in the 434.500 qrm
[12:34] <ntx2> I am getting my signals at 434.387390
[12:34] <ntx2> $$FRINU-<49;,123FV-V-f-6---------X--L--%-_-----$$FRIN-F&6FFv-V-fv66F-f--&6&V&---~-----------------s----Hp-Y5-a*-- -p--=--h67334-)66030n-$:LAC
[12:35] <ntx2> that is what I got
[12:35] <PE2G> ntx2: Is it continuous RTTY?
[12:35] <ntx2> partial decode
[12:35] <ntx2> yes
[12:35] <PE2G> Ok
[12:36] <ntx2> there is a delay of about a second
[12:36] <pb0ahx> PE2G, qtf ??
[12:37] <PE2G> My antenna is pointing to 215 deg
[12:38] <pb0ahx> ok tnx
[12:38] <SpacenearUS> New vehicle on the map: 03YO8SDE-11 - 12http://tracker.habhub.org/#!qm=All&q=YO8SDE-11
[12:40] <ntx2> PE2G: do you see my payload at all?
[12:40] <daveake> ntx2 does the start of the sentence $$FRINU.. usually get through, and is the rest usually garbled?
[12:41] <ntx2> yes
[12:41] <ntx2> not usually
[12:41] <ntx2> just now
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[12:41] <daveake> Then I suggest that your tracker's baud rate is slightly wrong
[12:41] <ntx2> I got 2 good packets about 30 min ago
[12:42] <ntx2> how to fix it?
[12:43] <PE2G> ntx2: I can't find any traces around .388, but I've had RTTY-like traces on .502 . No decodes
[12:43] <daveake> you can't
[12:43] <fsphil> make some audio recordings before it lands. it might help you find it later
[12:43] <daveake> yes
[12:47] <G8FJG> cant see any sigs now but they were on 434.500cw and 2 rtty sigs one 434,498 the other 434,502 couldnt decode
[12:47] <PE2BZ> ntx2 Can you tune to a confirmed frequency on your RX to make shure for the other listeners that you are indeed spot on frequency with your RX? It´s strange that only you receive the signal...
[12:49] <ntx2> I am giving you the frequency shown on gqrx
[12:49] <PE2BZ> is it gqrx with rtl dongle ?
[12:51] <PE2G> PE2BZ: Could you take a look at 434.371 pls?
[12:51] <ntx2> http://imgur.com/ROsuvM6
[12:52] <ntx2> it is gqrx with rtl through a filter
[12:52] <fsphil> yeah, that's seriously weak
[12:52] <ntx2> habamp filter
[12:52] <fsphil> can you try without the filter
[12:52] <fsphil> to see if it makes any difference
[12:52] <PE2BZ> ntx2 did you set the ppm correction for the rtl to be spot on frequency ?
[12:52] <ntx2> What happens if I remove the filter?
[12:52] <fsphil> you don't get filtering :)
[12:53] <ntx2> PE2BZ - I did not get that
[12:53] <fsphil> connect the antenna straight to the receiver
[12:53] <PE2BZ> pe2g I have a solid carrier on that frequency
[12:53] <fsphil> just to rule out a problem with that
[12:53] <fsphil> how are you powering the filter?
[12:54] <ntx2> 5V from SDR USB
[12:54] <fsphil> should be fine, but worth testing
[12:54] <fsphil> I suspect you have a fault on the payload
[12:56] <ntx2> what kind of fault?
[12:56] <PE2BZ> ntx2 : I am still unshure why you would receive your signal at 434.388 when it´s set at 434.500 MHz. I assume that your RTL has an offset in PPM, which is common but could be 100 kHz, so if you did not set your PPM then the frequency in GQRX is not ¨certainly right¨ I would like you to tune the reveicer to a known frequency (432 MHz Beacon in CW ? ) in the range of your habamp. That way you can see if you are on frequency.
[12:57] <ntx2> I did not set the TX at 434.5
[12:57] <ntx2> I had set it to 434.38
[12:57] <daveake> re habamp some have a switch for bias-t or external power ... if that's wrong then it won't work
[12:57] <fsphil> ^ this is why you should test without
[12:58] <fsphil> but given nobody else can hear the payload, it's unlikely to be that
[12:58] <fsphil> your antenna on the payload is either faulty or disconnected
[12:58] <PE2BZ> ntx2 the payload info gives 434.500 so that was my assumption for the TX frequency.
[12:58] <daveake> and re "what kind of fault", probably the same one that happened a couple of days ago when you had issues after you connected your aerial
[12:58] <PE2BZ> ntx2 is the habamp with 433 filter, and not 403 MHz filter ?
[13:00] <ntx2> habamp is 434 MHz
[13:05] <ntx2> i also lost signal
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[13:08] <ntx2> actually I resoldered the ntx2 connections and it was all fine
[13:08] <ntx2> but this am at the time of the launch, the payload hit our house on its way up
[13:09] <ntx2> but the tx was fine even after
[13:09] <G8FJG> I too lost what ever ..trying different baud rate... no decode..http://i.imgur.com/d48OHFW.png
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[13:12] <G8FJG> afk
[13:14] <F5MVO> hello, somebody have info from Frinus launch ?
[13:16] <PE2BZ> F5MVO FRINUS should be in air / on air. 434.380 MHz but till now only the recovery team has had reception. They lost reception also at this moment. Do you receive anything near that frequency ?
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[13:18] <F5MVO> Hello Pe2bz, nothing heard on this qrg.
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[13:19] <PE2BZ> thanks F5MVO . There seems to be a problem with the GPS setting so positions are assumed wrong until it returns below 12 km, if you receive it.
[13:20] <ntx2> are you talking about my payload?
[13:20] <ntx2> sorry I was disconnected from IRC now
[13:20] <PE2BZ> F5MVO and the Dutch AGENA2 also disappeared short after launch, at about 1400 m
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[13:21] <PE2BZ> ntx2 indeed, I explained to F5MVO about FRINIUS and what was written here about it.
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[13:21] <ntx2> Thanks
[13:21] <PE2BZ> And F5MVO also has no reception at your frequency
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[13:22] <ntx2> oh ok
[13:22] <ntx2> I am also getting nothing
[13:22] <PE2BZ> Could you estimate a hight at this moment ?
[13:23] <ntx2> Max height was 35 km, it is supposed to land in 45 mins
[13:23] <ntx2> it might be at max height now?
[13:23] <PE2BZ> Even on the vertical Logper direction south no signal at all. Sorry
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[13:25] <ntx2> just goes to show space travel is hard
[13:26] <F5MVO> 434.500 or 434.380 for Frinus ?
[13:26] <PE2BZ> 434.388
[13:27] <ntx2> roaming around near the predicted landing area
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[13:29] <SpacenearUS> New vehicle on the map: 03ria-20a_chase - 12http://tracker.habhub.org/#!qm=All&q=ria-20a_chase
[13:30] <PE2BZ> ntx2 good luck !! afk for some time now.
[13:31] <ntx2> thanks
[13:31] <ntx2> afk = ?
[13:32] <G8FJG> away from keyboard
[13:32] <ntx2> thanks
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[14:08] <pb0ahx> !flights
[14:08] <SpacenearUS> 03pb0ahx: Current flights: 03hkSOL3 10(8460), 03FRINUS 10(0466), 03Pecan SSDV Tracker 10(e3a9)
[14:08] <fsphil> image 19 duplicated. interesting
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[14:10] <Geoff-G8DHE-lapt> triplicated !
[14:10] <jcoxon> oooo a non-cloudy image coming up
[14:10] <fsphil> should project these images onto a map
[14:11] <jcoxon> still getting the weird repeat of the first line
[14:11] <fsphil> yeah. I don't think it's repeating, I think it does a bit, stops, then picks up at the next frame
[14:12] <fsphil> it's like it's losing sync
[14:13] <jcoxon> i see
[14:16] <SM0ULC-Reb> any coords saved in the pic-data?
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[14:17] <fsphil> nope, but you could get close by comparing the timestamp with the position data
[14:17] <jcoxon> just need to see a landmark
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[14:19] <KT5TK> In a few hours we'll be crossing the Alps.
[14:20] <fsphil> sunset should be interesting
[14:20] <fsphil> if it keeps running long enough
[14:20] <KT5TK> I suggested to Sven already that we should encode the balloon position in the JPEG metadata
[14:21] <fsphil> ssdv ignores that
[14:21] <DL7AD1> good afternoon.
[14:21] <jcoxon> going to straight over munich
[14:21] <KT5TK> Well, maybe it should include that
[14:21] <DL7AD1> fsphil: also metadata in the JPEG?
[14:22] <fsphil> yeah, ssdv just transfers the image data only
[14:23] <DL7AD1> :(
[14:23] Nick change: DL7AD1 -> DL7AD
[14:25] <DL7AD> btw the camera does a footprint of 10x10km roughly
[14:26] <fsphil> 31m/pixel
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[14:33] <DL7AD> fsphil: guess what we will see on the next image :D
[14:34] <fsphil> more cloud? :)
[14:34] <DL7AD> nope
[14:34] <DL7AD> have a look on the map :P
[14:34] <fsphil> hopefully not an aircraft then :)
[14:35] <DL7AD> fsphil: at this location they are all on the ground
[14:36] <fsphil> the is probably the best use of aprs ever
[14:37] <fsphil> oh dups again
[14:37] <Ian_> What reason for the central lightening of each picture?
[14:38] <DL7AD> Ian_: i dont understand that
[14:38] <Ian_> The central portion of most of the pictures looks lighter. Almost like a security camera with IR illumination
[14:39] <Geoff-G8DHE-lapt> Colour abberation thru a horrible lens possibly ?
[14:39] <fsphil> vignetting
[14:39] <fsphil> (had to google the spelling)
[14:39] <DL7AD> the lens was accidently soldered.
[14:39] <Geoff-G8DHE-lapt> seems to be colour based as well
[14:39] <DL7AD> but i dont think thats the reason
[14:39] <Geoff-G8DHE-lapt> sodered lens ?
[14:39] <fsphil> oh hey, the airport
[14:39] <Ian_> OK - I could spell it but have to recheck the meaning. Optical soldering, another first . . . :)
[14:39] <DL7AD> the be honest, no idea
[14:39] <DL7AD> fsphil: no
[14:40] <Geoff-G8DHE-lapt> f you did get solder on the lens then it will be a damaged coating
[14:40] <Ian_> Vignetting fits the bill admirably.
[14:41] <Geoff-G8DHE-lapt> its not simple vigentting its has the colr factor as well
[14:41] <Ian_> The same reason that I often look over my glasses when reading, the drop in light isn't much but perceptible
[14:41] <Geoff-G8DHE-lapt> colour
[14:42] <fsphil> these camera (ov9655) have quite poor white balance, always seems to produce an image with a bit too much green
[14:43] <fsphil> nice, I can identify parts of this latest image from google maps
[14:44] <Geoff-G8DHE-lapt> but a simple colour balance problem is across the picture this seems to be associated with the abberation
[14:44] <fsphil> north is to the right of the image
[14:45] <fsphil> you can see the river too
[14:51] <DL7AD> thats a great picture
[14:52] <fsphil> ok found a bug causing the duplicate images. fixed now
[14:54] <Geoff-G8DHE-lapt> http://360.g8dhe.net/HAB_Flights/2016_Flights/DL7AD_20160326/
[14:54] <DL7AD> fsphil: does it have to do something with our tracker wich causes the error?
[14:55] <DL7AD> thanks Geoff-G8DHE
[14:55] <DL7AD> i'm quiet exited :D
[14:56] <fsphil> no, my fault. there is a lot to prevent two packets being processed at the same time, but it had a bug where that was being ignored
[14:56] <fsphil> lot/lock
[14:56] <fsphil> only affected the new api
[14:56] <fsphil> you're the first to use it on an actual flight :)
[14:59] <KT5TK> Certainly not the last ...
[15:00] <fsphil> I need to re-write it soon to handle faster uploads
[15:01] <fsphil> should an ax.25 version of this have it's own payload name in the header
[15:01] <fsphil> or should it just use the ax.25 callsign
[15:01] <KT5TK> I'm pushing for 9k6 APRS :)
[15:02] <DL7AD> fsphil: its own callsign
[15:02] <DL7AD> fsphil: because someone want to use an non amateur radio callsign on 70cm and a real callsign on APRS
[15:03] <DL7AD> but DL7AD-12 and D-9 cant be combined by Habhub
[15:03] <DL7AD> because the api doesnt know, its the same balloon
[15:04] <SpacenearUS> New vehicle on the map: 03KD8CJT-11 - 12http://tracker.habhub.org/#!qm=All&q=KD8CJT-11
[15:05] <fsphil> yay no duplicate images
[15:05] <jcoxon> solar V dropping
[15:06] <SpacenearUS> New vehicle on the map: 03KD8TMY-11 - 12http://tracker.habhub.org/#!qm=All&q=KD8TMY-11
[15:14] <DL7AD> jcoxon: yeah probably it was swinging in the wrong direction at this specific moment
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[15:52] <DL7AD> could someone help out receiving the SSDV by websdr? some of the images gets lost sometimes
[15:53] <DL7AD> there are VHF websdr's available in friedrichshafen, munich and near graz.
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[16:04] <DL7AD> .hysplit DL7AD-12
[16:04] <SpacenearUS> 03DL7AD: HYSPLIT for 03DL7AD-12 - 12http://spacenear.us/tracker/hysplit_cache/160326-10_123531_DL7AD12.gif
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[16:11] <MarkIreland> I've had a Howyee 1000g sitting on a shelf at room temp in its box since the middle of 2014 - what is the shelf life of these balloons?
[16:11] <jcoxon> is it in the dark?
[16:12] <jcoxon> as in a box?
[16:12] <MarkIreland> Yeah in it's cardboard box
[16:12] <MarkIreland> its*
[16:12] <jcoxon> should be grand
[16:12] <MarkIreland> cool
[16:12] <MarkIreland> Thats what I want to hear
[16:12] <jcoxon> you don't happen to have one of the fabled howyee 1600 batch
[16:13] <MarkIreland> No its a 1kg
[16:13] <jcoxon> from 2012/13
[16:14] <fsphil> I wasted a perfectly good one of that batch :/
[16:22] <jcoxon> snow? on image 24
[16:22] <daveake> :(
[16:23] <manterolat> Hey guys, what 70 cm Yagi antenna design do you use? I'm currently making this one: http://www.qsl.net/dk7zb/70cm/4.htm but I'm not sure about impedance / coax cable
[16:24] <fsphil> it does look like snow
[16:24] <fsphil> only ever bought one manterolat. diamond something or other
[16:25] <fsphil> at this rate we might get an image of hkLo1
[16:26] <jcoxon> hkLo1 is higher :-)
[16:26] <manterolat> I'll look into those fsphil. Thanks!
[16:26] <jcoxon> descent?
[16:28] <fsphil> -4.6m/s, eek
[16:29] <jcoxon> no packets for 3mins
[16:29] <MarkIreland> I could look it up but what airport is that on 21?
[16:29] <fsphil> Munchen-Flughafen
[16:29] <jcoxon> munich
[16:29] <fsphil> great image of it, timing was perfect
[16:29] <jcoxon> oooo back up again
[16:30] <DL7AD> and now we get the highest point of germany
[16:31] <MarkIreland> Yeah fantastic
[16:31] <DL7AD> mountain zugspitze
[16:31] <MarkIreland> Nice clear day
[16:31] <DL7AD> yes. in the afternoon
[16:31] <DL7AD> i would appreciate some websdr listeners
[16:32] <DL7AD> to minimize the packet loss
[16:33] <edmoore> alps photos will be awesome
[16:33] <DL7AD> the ssdv transmission will quit soon
[16:33] <edmoore> it's sunny currently
[16:33] <edmoore> there i mean
[16:33] <DL7AD> this or the next image could be the last
[16:34] <edmoore> path rendering v buggy for me recently on the tracker in chrome on osx
[16:34] <edmoore> unsure if anyone else has seen the same thing
[16:35] <edmoore> this is typical - no path and only a segment of horizon circle https://www.dropbox.com/s/3v0e7dctb02ffsn/Screenshot%202016-03-26%2016.34.50.png?dl=0
[16:36] <edmoore> wiggling the map of changing the zoom level sometimes prompts a redraw, sometimes oesn't
[16:36] <MarkIreland> Chrome ok here
[16:36] <MarkIreland> On osx
[16:36] <MarkIreland> latest version?
[16:36] <DL7AD> edmoore: i also have the same effect sometimes
[16:37] <DL7AD> but on my phone
[16:37] <Ian_> DL7AD is the board conformal coated? It's othewise naked?
[16:37] <DL7AD> naked
[16:37] <DL7AD> as i posted it on the pictures
[16:38] <DL7AD> we tested the LiPO already at -40C and it worked
[16:38] <DL7AD> -50 could be difficult
[16:38] <Ian_> Doing well. I see the pictures, marvelous. You and Thomaz having a few beers after sundown!
[16:39] <edmoore> MarkIreland: yep i think, 49.0.2623.87
[16:39] <MarkIreland> 49.0.2623.87
[16:39] <MarkIreland> same
[16:40] <DL7AD> Ian_: we worked ~ half a year on this prototype
[16:40] <MarkIreland> Actually - I'm making it up, I've just had the tracking disapear too edmoore
[16:40] <DL7AD> we decided to order the next revision after the launch
[16:41] <Ian_> Yes, I copied that earlier. It's a first pico float SSDV I understand. Lots of inspiration.
[16:41] <edmoore> and perspiration
[16:41] <Ian_> It's a bit bigger than your showing at UKHAS Conf 2014 :)
[16:45] <jcoxon> Image 24 has turned out great
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[16:50] <Ian_> one for fsphil perhaps. image 23 and 24 show repeated first lines. Also in other images, but less noticeable.
[16:50] <fsphil> suspect camera sync issue
[16:51] <fsphil> temperature effect perhaps
[16:51] <fsphil> not sure
[16:52] <fsphil> you can see in image 22 it's also affect h-sync
[16:52] <Ian_> Again on 25.
[16:54] <Geoff-G8DHE-lapt> The top line is on all images from number 9
[16:55] <fsphil> it seems to read 20 lines, stops, then starts again on the next frame
[16:59] <Ian_> It's not every day that you get inflight diagnostics/diagnosis like these. What is the knee voltage for the SSDV cutoff?
[16:59] <fsphil> maybe not. tested a few and although the brightness changes the orientation never does. it might all be from the same frame
[16:59] <fsphil> memory issue maybe
[17:02] <DL7AD> i sample the image raw into the memory completely in 1/80sec
[17:02] <DL7AD> then i switch off the DMA and DCMI
[17:03] <SM0ULC-Reb> DL7AD: cool with the great pic of the airport
[17:03] <DL7AD> Ian_: sddvSwitchedOn = batteryMV > 3700 && solarMV > 1000
[17:03] <DL7AD> if voltage is below, check again in 1min
[17:04] <DL7AD> but it will finish the image
[17:04] <DL7AD> so it might transmit packets from the last image at night
[17:04] <DL7AD> and in the morning it starts again as the battery voltage gets above 3.7V
[17:05] <Ian_> Thanks for that.
[17:05] <DL7AD> aprs and UKHAS telemetry continues transmission above 3.0V
[17:06] <Copyright> :>
[17:08] <fsphil> ok this is a great image
[17:08] <DL7AD> fsphil: i think that too
[17:09] <DL7AD> i adjust the PLLN tough due to the HSI frequency shift
[17:09] <daveake> Nice timing for that airport one earlier
[17:09] <DL7AD> fsphil: so the SYSCLK stays at 45Mhz while the camera gets 14-16mhz
[17:10] <DL7AD> i think thats the error
[17:10] <DL7AD> daveake: yeah. but that has been great luck
[17:11] <daveake> not planned? :p
[17:12] <DL7AD> daveake: nope
[17:12] <DL7AD> the footprint of the camera is 5x5km roughly
[17:13] <Ian_> Welcome to Italy
[17:13] <DL7AD> but at this speed it took one image every 20...30km
[17:16] <SM0ULC-Reb> DL7AD: for how long do you expect it to be up?
[17:18] <DL7AD> SM0ULC-Reb: on the groud it took 60% of the battery life over 10hours with GPS loss (gps switched on the whole time)
[17:18] <DL7AD> its a 2.07Wh battery
[17:19] <DL7AD> but dont take the power measurements in account. they are false by factor 4...5
[17:19] <DL7AD> to divide the transmitted power (in mW) by 4 and you get roughly the consumed power
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[17:20] <DL7AD> atm its tells 200mW discharge. so its 50mW actually
[17:21] <DL7AD> this will be the last image definitely
[17:21] <SM0ULC-Reb> the solar can't charge the batts?
[17:21] <DL7AD> they can
[17:22] <DL7AD> but the last image for today
[17:22] <SM0ULC-Reb> aah
[17:22] <DL7AD> it switches off SSDV at night
[17:22] <DL7AD> below 1V solar or below 3.7V battery voltage
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[17:23] <mclane_> what kind of camera did you use Sven?
[17:24] <mclane_> I got a weak signal but no decode (no good 2 m antenna available)
[17:24] <DL7AD> its an OV9655
[17:25] <DL7AD> but i want to switch over to the OV2640
[17:25] <SpacenearUS> New vehicle on the map: 03KC3GLG-11 - 12http://tracker.habhub.org/#!qm=All&q=KC3GLG-11
[17:25] <DL7AD> they have the same pinout
[17:27] <Ian_> Not so definitely, apparently .
[17:27] <Ian_> This is the pico that keeps giving!
[17:28] <DL7AD> Ian_: :D
[17:28] <Ian_> I think the voltages came up marginally
[17:29] <DL7AD> Ian_: no wonder.if it swings into the sun direction
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[17:30] <DL7AD> i will take the power consumption into account next time
[17:31] <Ian_> It's a flight that is certainly shaking a lot of branches and yielding lots of answers. Often to questions never asked! It has to be good.
[17:33] <DL7AD> the singal faded out on the websdr
[17:33] <DL7AD> its feed by APRS only atm
[17:33] <mclane_> do you have a schematics? I am interested how you connected the cam to the micro
[17:33] <fsphil> this will be interesting
[17:35] <fsphil> I'm pleased the larger packets are getting through
[17:35] <SM0ULC-Reb> Any recommendations about best email-list about aprs to be on?
[17:35] <Ian_> fsphil you are getting cynical :)
[17:36] <fsphil> blame aprs :)
[17:37] <Ian_> I think that was probably given a bit of a workout today as well. I don't suppose that they look to see how their network performs under pressure on a regular basis
[17:37] <DL7AD> mclane_: hold on
[17:37] <fsphil> it's probably the most interesting data most of these igates have carried
[17:38] <Ian_> The problem being that most of them don't appreciate the content they are carrying.
[17:38] <DL7AD> hardware: https://github.com/DL7AD/pecanpico7 branch 7a (the tracker which we are flying right now), branch master: next revision.
[17:38] <DL7AD> mclane_: software: https://github.com/DL7AD/pecan-stm32f429
[17:38] <mclane_> cool thanks
[17:38] <DL7AD> the software repro has more documentation
[17:39] <mclane_> I have a small tracker in work wich uses uart cam - will still take some time
[17:40] <DL7AD> mclane_: take care. i use a BGA-package microcontroller :P
[17:41] <SpacenearUS> New vehicle on the map: 03hkLoCar_chase - 12http://tracker.habhub.org/#!qm=All&q=hkLoCar_chase
[17:42] <mclane_> just saw that - you need the f4 in order to drive the cam module I suppose?
[17:43] <DL7AD> mclane_: yeah at least
[17:43] <fsphil> aprs-only not doing so well
[17:43] <DL7AD> mclane_: but the F7 series are pincompatible
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[17:44] <DL7AD> fsphil: there are some factors which makes decoding worse:
[17:45] <DL7AD> fsphil: we use an inaccurate clock atm (HSI), length of the packets.
[17:45] <DL7AD> fsphil: packet type is not recognized by all igates unfortunetely
[17:45] <DL7AD> xastir drops experimental packets for example
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[17:54] <jcoxon> eeek voltage
[17:58] <DL7AD> :/
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[18:00] <DL7AD> jcoxon: battery impedance 50R
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[18:03] <DL7AD> gone
[18:05] <SpacenearUS> New position from 03KJ4TDM-1 after 037 days silence - 12http://tracker.habhub.org/#!qm=All&q=KJ4TDM-1
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[18:08] <Ian_> -16 earlier -39 now Brrrrr. good night DL7AD-12 see you in the morning.
[18:09] <DL7AD> Ian_: 5:30am!
[18:09] <DL7AD> :D
[18:10] <Ian_> That's way too early for the likes of me . . . clocks go forward from Z to A tonight.
[18:10] <Ian_> British pseudo-summer time :)
[18:11] <DL7AD> isnt the time set back to thursday 18pm?
[18:11] <DL7AD> or firday 18pm? :P
[18:14] <DL7AD> rough position tomorrow morning: http://ready.arl.noaa.gov/hypubout/15259_trj001.gif
[18:14] <Ian_> I missed the joke there Sven - 1am jumps to 2am
[18:14] <DL7AD> Ian_: ah damn.... i was so sure :D
[18:14] <Ian_> Happy Easter and we have just robbed 1 hour from your sleeping.
[18:15] <Ian_> No extra holidays despite your good attempt there.
[18:15] <SpacenearUS> New position from 03N4XWC-1 after 032 days silence - 12http://tracker.habhub.org/#!qm=All&q=N4XWC-1
[18:15] <DL7AD> Ian_: do you have holiday in uk?
[18:16] <DL7AD> we have holiday on friday and monday
[18:16] <Ian_> How long after illumination will it take for DL7AD-12 "#12" to get breakfasted and come up to temp.
[18:16] <DL7AD> Ian_: never tested
[18:16] <Ian_> Yes, Good Friday and Easter Monday, with Easter Sunday in between.
[18:17] <Ian_> Friday and Monday are Bank Holidays. So they get to open on Saturday.
[18:17] <Ian_> Who thought that up. Never work in Retail or Banking they screw with holidays.
[18:18] <DL7AD> unfortunately friday is the only day where i have free anyway :(
[18:19] <Ian_> Well done for today. Have a few well earned beers with Thomasz to celebrate #12's first day.
[18:19] <Ian_> Well, if you must work shifts (medical?)
[18:20] <DL7AD> Ian_: no im a student. (Master)
[18:21] <Ian_> Gotta go for now radio club to visit. I thought that you had graduated last year!
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[18:21] <Ian_> afk for now though. (I read everything)
[18:22] <Ian_> Just looked it up . . . students are entitled to extra beers!
[18:22] <fsphil> ... everything ... *dramatic music*
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[18:28] <SM0ULC-Reb> SSDV over HF would be a cool project :)
[18:28] <jcoxon> hkLo1 has had a good day
[18:28] <jcoxon> nice daytime floating
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[18:49] <jakeio> Hello, I'm a Sixth Form student in Monmouth, UK and I'm getting started on a HAB project. I've done a lot of reading on the UKHAS website, but have one question, how is an antenna connected to a NTX2 transmitter.
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[18:51] <craag> !wiki ntx2
[18:51] <SpacenearUS> 03craag: Wiki page 03ntx2_resistor_calculation - 12http://ukhas.org.uk/ntx2_resistor_calculation
[18:51] <SpacenearUS> 03craag: Wiki page 03linkingarduinotontx2 (guides) - 12http://ukhas.org.uk/guides:linkingarduinotontx2
[18:51] <SpacenearUS> 03craag: Wiki page 03ntx2 (guides:radio_modules) - 12http://ukhas.org.uk/guides:radio_modules:ntx2
[18:52] <craag> !wiki antenna
[18:52] <SpacenearUS> 03craag: Found 035 results for you query - 12http://ukhas.org.uk/start?do=search&id=antenna
[18:52] <craag> jakeio: So basically you want your antenna to connect to the RF OUT pin
[18:53] <F5MVO> Hello,someone have info from Frinus balloon ?
[18:53] <craag> With the antenna constructed something like: https://ukhas.org.uk/guides:payload_antenna
[18:53] <craag> where the inner core of the coax cable connects to RF OUT
[18:53] <craag> and the outer 'shield' to Ground (0V)
[18:54] <jakeio> Yes, I've read that guide, so, there'd be no need for a SMA connector in this case. Purely soldering it on?
[18:54] <craag> How are you planning to build your circuit? On stripboard or PCB?
[18:55] <jakeio> Probably on stripboard.
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[18:55] <craag> Either way it'd be good to have an SMA socket on the board, so you can disconnect the antenna
[18:55] <craag> and connect it securely for flight
[18:57] <jakeio> Ah, OK, well, thanks. That clears that up! I'll certainly be returning here quite a bit in the next few weeks as I get going!
[18:58] <daveake> Do. Also, let us know when your flight is so we can help with tracking.
[18:58] <jakeio> I intend to do so! I've just seen that the Ublox antenna I'm getting and the NTX2B are out of stock on uputronics, if I order now, I assume they'll ship as soon as they're in stock? If not, what is their stock like? Usually full or very intermittent?
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[18:59] <daveake> If I'm available I'll be happy to come down and help with that (I'm just up the road near Ross)
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[19:00] <daveake> Says "in stock" - https://store.uputronics.com/index.php?route=product/product&path=61&product_id=60
[19:01] <jakeio> At checkout I'm getting the "items are not available in this quantity or are out of stock" message.
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[19:02] <jakeio> I shall just order and cross my fingers!
[19:02] <daveake> Upu is usually around and he'll know
[19:03] <Upu> hi
[19:03] <Upu> just checking
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[19:04] <Upu> fixed
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[19:17] <david37864> Good evening
[19:18] <david37864> I'm looking for Upu
[19:19] <edmoore> you have come to the right place
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[19:20] <david37864> :-) I am looking to purchase a Pie in the Sky board but have a few questions
[19:21] <edmoore> upu or daveake should be able to help you
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[19:24] <david37864> Just wondering which Raspi would be the most suitable to pair with Pie in the Sky.
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[19:29] <mfa298> david37864: probably the A+, if it's running from batteries a lower power pi is better (low power in terms of current draw)
[19:29] <daveake> A+ for flight
[19:29] <david37864> What about the Pi Zero?
[19:29] <daveake> For testing, add a USB LAN, or use a B+ or V2 B
[19:29] <daveake> Pi Zero has no camera socket
[19:30] <david37864> Ok good point :-)
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[19:30] <JonnyAlpha> Just starting to research HAB for a flight in June, is this the IRC channel used when launching to request additional tracking?
[19:30] <david37864> I see there is an APRS board available with a Radiometrix module. I have several HX1-144.800 modules so am looking to roll my own board.
[19:31] <david37864> I don't see much on the APRS board besides the pinheader, the TRX module and an antenna connector, right?
[19:31] <edmoore> JonnyAlpha: yes
[19:31] <edmoore> also the mailing list
[19:31] <mfa298> david37864: where are you based, Amateur radio isn't allowed airborne everywhere
[19:31] <jakeio> Upu, the "uBLOX MAX-M8Q SAW/LNA Breakout With Sarantel Antenna" is still showing as not in stock when it's in stock!
[19:31] <david37864> Belgium.
[19:31] <daveake> david37864 Yes that's all it is
[19:32] <david37864> Sounds good. Does the PITS board provide power regulaion for the Raspi?
[19:32] <daveake> It's the s/w side that's a pain
[19:32] <JonnyAlpha> edmoore: Great thanks, where's the mailing list and what's it for, pre warning of upcoming flights?
[19:32] <daveake> yes up to 2.5A iirc
[19:33] <edmoore> JonnyAlpha: mostly yes - there are a large number of amateur radio enthusiasts who enjoy tracking balloons but are not in this irc channel
[19:33] <edmoore> they are however subscribed to the mailing list
[19:34] <edmoore> so that's the place to announce (with a week or so's notice) a flight
[19:34] <edmoore> you'll get a larger pool of listenevers
[19:34] <JonnyAlpha> Edmoore: Sorry - where's the mailing list?
[19:34] <david37864> So to run a PITS trackers, I would need: Raspi A+, PITS board, SD card, 4xAA battery holder, optional HX1 module for APRS with antenna , optional PI camera?
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[19:35] <edmoore> also some technical things are discussed but we try to keep it moderately low-volume so as not to flood the casually-interested amateur radio crowd with microcontroller minutiae
[19:35] <edmoore> JonnyAlpha: see daveake's link 5 or so messages up
[19:35] <edmoore> alternatively ukhas@googlegroups.com
[19:36] <david37864> PITS includes the GPS antenna and a pigtail for making a 70cm antenna?
[19:36] <daveake> david37864 pits kit comes with aa holder
[19:36] <adamgreig> has anyone used icom ci-v remote control to do ptt?
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[19:36] <adamgreig> i can't find any command reference for ptt, but i think it can do it
[19:37] <david37864> daveake What is the shipping cost for PITS to BElgium?
[19:37] <daveake> and yes includes gps antenna and UHF pigtail
[19:37] <edmoore> adamgreig: is the fox board still in an cusf svn archive?
[19:38] <adamgreig> hah as if we kept that old dump around ;)
[19:38] <edmoore> it used ptt to automatically do uplinks to the parachute test vehicle through the ic-7000
[19:38] <adamgreig> did it PTT the ICOM though the acc/data port or did it use the serial control?
[19:38] <JonnyAlpha> Edmoore: Do you mean the Google Group link (is that the mailing list?) also is the Google group best place for Q&A?
[19:38] <adamgreig> (I do still have the svn, don't worry)
[19:38] <edmoore> maaaaybe the former - whichever was the circular 9ish pin din connector
[19:38] <adamgreig> yea that's the acc port
[19:38] <edmoore> 9ish pin
[19:38] <adamgreig> which just has a PTT line
[19:38] <edmoore> this is all v hazy
[19:38] <edmoore> right apols
[19:39] <adamgreig> I probably need to connect to acc anyway as it's the only way to get power out
[19:39] <adamgreig> but would be nice if I could do ptt over the serial link for various dastardly plans
[19:39] <JonnyAlpha> I have been posting on GSBC and Raspberry Pi HAB forum but its not very active, apart from daveake of course :-)
[19:40] <edmoore> gsbc seems an odd place
[19:40] <david37864> daveake What is the shipping cost for PITS to Belgium?
[19:40] <edmoore> CV padding for weirdos looking for jobs with boring aerospace companies
[19:40] <daveake> david37864: Upu deals with h/w and sales
[19:41] <david37864> daveake Ah ok. How fast do these boards ship after order?
[19:42] <daveake> same/next business day usually
[19:42] <daveake> again, that's Upu's store not mine
[19:43] <david37864> daveake Ok thanks for the info. Sounds like this is the right board for me. Will pick up the rest with Upu :-)
[19:43] <david37864> Cheers and good evening!
[19:44] <edmoore> not too expensive afterall
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[19:49] <JonnyAlpha> Just had a look on the Google Group - seems a good place to post, quick short questions on here I guess as well - tks all
[19:50] <edmoore> yep, this is a good place
[19:50] <edmoore> especially for electronics
[19:50] <edmoore> we're big into making your own flight computers
[19:51] <JonnyAlpha> I am planning on using a PITs board for assurance, but for base station I am looking at DVB SDR
[19:51] <JonnyAlpha> With a DIY Collinear Antenna tuned for 434Mhz
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[19:56] <edmoore> you could fly a DIY board too if you fancied A Project
[20:00] <JonnyAlpha> Edmoore: Might be too technical, although I can solder. PITs and Pi is about £140, how much for a DIY board using a UBlox GPS and Radiometrix Radio Tx?
[20:01] <edmoore> less
[20:01] <edmoore> unless you include time of course
[20:01] <edmoore> so nowadays you can get 5x sorta 10x10cm boards made in china for about £10
[20:01] <edmoore> it's amazing really
[20:01] <edmoore> typically you might also put an 8-bit microcontroller on it too to do the inbetweening twixt the gps and radio
[20:02] <edmoore> the advantage of that is that a modern 8bit microcontroller only needs to use about 2mW do such a thing
[20:02] <edmoore> rather than more like 1-2W for a raspberry pi
[20:02] <edmoore> so for example ubseds has just floated around the world with a single AA battery
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[20:02] <edmoore> that's like a week+ of life from one cell
[20:03] <JonnyAlpha> I'd need a step by step (Instructables Guide) prob, daveake has a link to a schematic but at a glance its above my ability?
[20:03] <JonnyAlpha> Although the satisfaction of a DIY rig would be great.
[20:04] <JonnyAlpha> I take it ubseds was not recovered :-) so data via SSDV? Or is it still up there?
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[20:05] <fsphil> no pictures from that one
[20:06] <edmoore> a complete guide to microcontrollers (in the context of a flight computer) from scratch would be a good thing i think
[20:06] <edmoore> not so much spoon-feeding making a flight computer but teaching microcontrollers generally so you can make anything, including a flight computer
[20:07] <JonnyAlpha> So is there a good guide anywhere?
[20:08] <JonnyAlpha> Ref the UBEDS, funny that I was looking at this link the other day, it was there project proposal: http://www.bristol-seds.co.uk/assets/posts/receiver/UBSEDS_HAB_Receiver_Proposal.pdf
[20:08] <edmoore> JonnyAlpha: no
[20:08] <edmoore> it's more 'make microcontroller blink an led.... make microcontroller produce rtty..... make microcontroller talk to gps'
[20:08] <edmoore> it's basically learning
[20:08] <edmoore> rather than a howto
[20:09] <edmoore> there is obviously overlap between those two but currently it's towards one end of the spectrum
[20:09] <edmoore> but equally this irc channel is exactly the place if you want to do that
[20:09] <edmoore> messing with microcontrollers from first pricniples
[20:10] <JonnyAlpha> Ok I have been playing with a LinkITOne that I won and within a few minutes have the GPS up and running view coord via Serial, was thinking of using it as a recovery backup
[20:13] <edmoore> sounds like a good plan - a backup is only a good thing
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[20:23] <JonnyAlpha> For SDR has anyone tried these: http://stores.ebay.co.uk/NooElec/USB-Devices-/_i.html?rt=nc&_fsub=3255595012&_sid=32165772&_trksid=p4634.c0.m14.l1513&_pgn=1
[20:24] <edmoore> the ezcap ones are popular but quite deaf
[20:24] <edmoore> they have low sensitivity and poor filtering, but are still good for the money
[20:24] <edmoore> so they are often used in combination with a filter pre-amp
[20:25] <edmoore> which amplifies the frequencies of ineterest (434mhz) and blocks out everything else
[20:25] <edmoore> look for hab-amp on uputronics
[20:25] <JonnyAlpha> Or these: https://www.cosycave.co.uk/product.php?id_product=346
[20:26] <manterolat> We used a NooElec rtl-sdr for our last launch. With an NTX2 we could receive at 18 km altitude (with yagi antenna)
[20:27] <JonnyAlpha> manterolat: I was hoping for 30Km?
[20:27] <manterolat> Our balloon burst below expected...
[20:27] <JonnyAlpha> The ezcap are out of stock on Amazon: http://www.amazon.co.uk/adapter-RTL2832U-Software-GNURadio-Compatible/dp/B00813EW48
[20:27] <manterolat> But with a proper antenna it should go to 30 km
[20:27] <JonnyAlpha> Ooops :-(
[20:28] <manterolat> Yeah, too much helium
[20:28] <manterolat> Gonna try a LoRa module for this launch (and correct amount of helium :P)
[20:29] <Geoff-G8DHE-lapt> Provided it stays line of sight then the extra distance doesn't actually make that much difference
[20:29] <JonnyAlpha> Could do some Line of Sight (LOS) tests high up on a hill and see how I get on, just don't want to waste money buy crud that won't work hence the advice :-)
[20:30] <edmoore> ezcap+habamp is routinely good for hundreds of km
[20:30] <Geoff-G8DHE-lapt> The Dongles will work fine, its just that they are not the most rugged of devices for portble reception, you have lots of leads etc. to contend with
[20:30] <JonnyAlpha> Sorry that was an unthought through post 30KM is a long way!!
[20:31] <edmoore> not for hab
[20:32] <manterolat> edmoore: would it be possible to use a habamp with a LoRa module?
[20:32] <edmoore> for 434mhz yes
[20:33] <Geoff-G8DHE-lapt> Unless you want to transmit of course ;-)
[20:33] <edmoore> just make sure it's the right freq/bandwidth and you can use it with anything
[20:33] <manterolat> Ah ok
[20:33] <manterolat> Thanks
[20:33] <manterolat> I was about to ask about TX
[20:33] <edmoore> some lora is on 868mhz for which you'd need to have a differently tuned filter (for 868mhz)
[20:33] <edmoore> yeah tx is a different kettle
[20:34] <Geoff-G8DHE-lapt> The pre-amp won;t do much for the Tx signalother than stop it getting to the aerial!
[20:34] <Geoff-G8DHE-lapt> But the LoRa Rx side isn't that bad a spec anyway.
[20:35] <manterolat> Nice
[20:36] <manterolat> Yeah, we have a few of the 70 cm rfm96
[20:36] <JonnyAlpha> Sorry - mixed responses, USB DVB dongles for HAB yes or no?
[20:37] <Geoff-G8DHE-lapt> Yes quite usuable
[20:37] <manterolat> I've used them only once, but they worked pretty well
[20:38] <adamgreig> they suffer from various problems that will make hab tracking harder or less reliable
[20:38] <adamgreig> but are in general usable
[20:38] <JonnyAlpha> Geoff: Thanks, just trying to source some tried and tested ones, I know they are only £10 or so but I'd rather not waste anything.
[20:38] <adamgreig> for not much more money you can buy a preamp for the HAB frequencies that helps a fair bit
[20:39] <adamgreig> https://store.uputronics.com/index.php?route=product/product&path=59&product_id=53 specificaly
[20:39] <adamgreig> cosycave's rtlsdrs are fine and good if you're the one who recently emailed about them
[20:39] <jakeio> Upu - are you around?
[20:39] <Geoff-G8DHE-lapt> To mke them more robust its a good idea to package an Dongle & pre-amp in a metal case to minimise cables etc.
[20:40] <JonnyAlpha> adamgreig: Do the cozycaves need or benefit from a preamp?
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[20:40] <Geoff-G8DHE-lapt> See here http://360.g8dhe.net/hab_flights/HABAMP_and_DONGLE/
[20:40] <JonnyAlpha> Sorry looks like you answered that one! DVB would be for base station, chase car I am trying to loan a scanner.
[20:40] <adamgreig> yes
[20:40] <adamgreig> basically all the dvb dongles (rtlsdr dongles) are the same
[20:41] <Lunar_Lander> hello
[20:41] <edmoore> no
[20:43] <jakeio> Upu: the "uBLOX MAX-M8Q SAW/LNA Breakout With Sarantel Antenna" is still showing as not in stock when it's in stock! Sorry to post again, realised, I'd forgotten the colons!
[20:43] <JonnyAlpha> So any RTLSDR and a preamp?
[20:43] <edmoore> pretty much yes
[20:44] <Geoff-G8DHE-lapt> But think about packaging them together
[20:44] <edmoore> 'any' is a strong word but if you can find any of the ones you see discussed here and on blogs you should be in business
[20:44] <manterolat> If you do get an rtl-sdr, one with an SMA connector could be easier to connect to the habamp
[20:44] <manterolat> You would need an adapter otherwise
[20:44] <JonnyAlpha> Sorry yes, I'll stick to the ones I have linked, so about £10 for the dongle and £35 for the preamp - cool.
[20:45] <Geoff-G8DHE-lapt> Unlikely to find one with SMA to be honest you would need to add that yurself
[20:45] <manterolat> Good idea
[20:46] <edmoore> easy enough if you can wield a soldering iron
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[20:46] <edmoore> note that many of them are static sensitive so use protection
[20:47] <Geoff-G8DHE-lapt> Yes look for ones that say they have a protection diode fitted if possible.
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[20:48] <AdiOltean> Hi
[20:48] <AdiOltean> We have a HAB live right now
[20:48] <AdiOltean> How can we add it to hahub.org?
[20:49] <AdiOltean> Call sign = KG7WFR
[20:49] <Geoff-G8DHE-lapt> Do you mean Habitat or the tracker, if its APRS then it just needs to have the callsignset for import.
[20:50] <JonnyAlpha> The ones from Cozycave and Nooelec have MCX connectors, cozycave do the MMX to SMA adaptors.
[20:50] <AdiOltean> it is APRs enabled
[20:50] <AdiOltean> http://aprs.fi/#!mt=roadmap&z=11&call=a%2FKG7WFR-11&timerange=3600&tail=3600
[20:50] <manterolat> JonnyAlpha: That's similar to my setup. I have an MCX adapter on the rtl-sdr
[20:51] <Geoff-G8DHE-lapt> one of the sysadmins can normally add your callsign for import upu or lz1dev etc.
[20:51] <AdiOltean> thanks!
[20:52] <Geoff-G8DHE-lapt> Commandsa are listed here https://ukhas.org.uk/spacenearus_irc_bot?s[]=irc&s[]=bot
[20:52] <Geoff-G8DHE-lapt> !aprs
[20:52] <SpacenearUS> 03Geoff-G8DHE-lapt: Tracking via APRS: 03AD6AM-11 10(UBSEDS14), 03DK3SB-10, 03DK3SB-8, 03DL3AKB-11, 03DL7AD-11, 03KD5ZPL-11, 03KD9DBI-11, 03KG5KNM-11, 03M0SBU-11 10(UBSEDS14), 03M0UPU-7, 03M0UPU-8, 03M0UPU-9, 03SP3OSJ-12, 03VK3YT-11, 03WB8ELK-6
[20:52] <JonnyAlpha> materolat: what preamp (if any) are you using?
[20:53] <manterolat> Didn't use any for our launch, but the one linked before seems good
[20:53] <Geoff-G8DHE-lapt> !aprs find KG7WFR
[20:53] <SpacenearUS> 03Geoff-G8DHE-lapt: No matches found
[20:53] <AdiOltean> Is there a sysadmin present to add our high altitude balloon to the tracker?
[20:53] <JonnyAlpha> materolat: The Cozycave or Nooelec?
[20:54] <AdiOltean> !aprs find KG7WFR
[20:54] <SpacenearUS> 03AdiOltean: No matches found
[20:54] <manterolat> Nooelec, but both should work
[20:54] <AdiOltean> !aprs find KG7WFR-11
[20:54] <SpacenearUS> 03AdiOltean: 03KG7WFR-11 was near 03Adams County, WA, USA 10(47.03983,-118.71017) about 0331 minutes ago - 12http://aprs.fi/KG7WFR-11
[20:54] <manterolat> JonnyAlpha: Our setup- rtl-sdr -> MCX to SMA adapter -> coax cable -> yagi antenna
[20:54] <Geoff-G8DHE-lapt> You could be the requset on #habhub where traffic is less for this reason
[20:55] <Geoff-G8DHE-lapt> If you had used the balloon symbol then it would have been added directly I think.
[20:56] <JonnyAlpha> materolat: Rgr - so coax is OK (is LMR better?) I thought Yaggi's where for direction finding?
[20:56] <AdiOltean> I agree - it was a mistake. too late to fix it now. Can we add it anyway somehow?
[20:57] <lz1dev> .aprs add KG7WFR-11
[20:57] <SpacenearUS> 03lz1dev: Added 03KG7WFR-11 to APRS Importer
[20:57] <lz1dev> your altitude data extention is wrong as well
[20:57] <Geoff-G8DHE-lapt> Yes as soon as one of the admins see the request they will do it. Might be worth joinging #HABHUB as the traffic is a lot less there and the admins can see the request more easily.
[20:57] <Geoff-G8DHE-lapt> Ah one has found it
[20:58] <lz1dev> .confetti
[20:58] <SpacenearUS> 2´*.D¨¯`* 2D*¨¯`* 2
[20:58] <SpacenearUS> 2´ *. Congratulations 2 ¯`*
[20:58] <SpacenearUS> ¨¯`*D2´* 2.D *¨¯`*2
[20:58] <SpacenearUS> New vehicle on the map: 03KG7WFR-11 - 12http://tracker.habhub.org/#!qm=All&q=KG7WFR-11
[20:59] <manterolat> JonnyAlpha: I'd ask some of the more experienced guys here on the coax cable. As for the yagi, it's useful for its high gain (but you do need to point it in the right correction)
[20:59] <manterolat> *direction
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[21:00] <SpacenearUS> New vehicle on the map: 03KG7WFR-11 - 12http://tracker.habhub.org/#!qm=All&q=KG7WFR-11
[21:01] <lz1dev> oh god
[21:01] <Geoff-G8DHE-lapt> LMR cable comes in all sizes I suggest LMR1200 might be overkill for handheld aerials https://mpddigital.us/wp-content/uploads/2014/10/CableSize-1.png
[21:03] <edmoore> LMR for all you coax solutions
[21:03] <edmoore> LMS for all your no-solutions
[21:03] <edmoore> linear algebra jokes mean it's probably time i went and did something else
[21:03] <edmoore> ttfn
[21:03] <Geoff-G8DHE-lapt> :)
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[21:05] <manterolat> What's the difference between rg### cables and the lmr ones?
[21:06] <mfa298> differnt cables will have differnt specs (size, attentuation, cost etc)
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[21:07] <JonnyAlpha> edmoore: LMR it is then, well LMR equivalent (HDF): http://www.solwise.co.uk/wireless-cable-specs.htm
[21:07] <Geoff-G8DHE-lapt> Just different specs. you can use anything that suits and won't have too much of a loss for its length at the frequency needed.
[21:07] <mfa298> some of the designations may be manufacturer specific.
[21:08] <AdiOltean> Thanks, guys!
[21:09] <manterolat> So, for example, I could use an RG174 such as this one? https://www.wilsonamplifiers.com/rg-174-sma-female-sma-male-6ft-cable-951130/
[21:09] <AdiOltean> We are using a dual GPS (Copernicus #1 and Venus #2). Venus #2 has bad data at the moment
[21:09] <manterolat> That's the one I'm currently using
[21:10] <AdiOltean> we'll get back on the road
[21:10] <mfa298> manterolat: it really depends on what you're doing with it. I use RG174 for some short connections, but I wouldn't use it for a longer run (I'd use RG213 or something else for that)
[21:10] <manterolat> Good luck AdiOltean
[21:12] <manterolat> Thanks, mfa298! It's only 6 feet so should be ok
[21:13] <lz1dev> AdiOltean: everything with your aprs format is wrong :(
[21:14] <Upu> jakeio: fixed thanks
[21:15] <Upu> .aprs list
[21:15] <SpacenearUS> 03Upu: Tracking via APRS: 03AD6AM-11 10(UBSEDS14), 03DK3SB-10, 03DK3SB-8, 03DL3AKB-11, 03DL7AD-11, 03KD5ZPL-11, 03KD9DBI-11, 03KG5KNM-11, 03KG7WFR-11, 03M0SBU-11 10(UBSEDS14), 03M0UPU-7, 03M0UPU-8, 03M0UPU-9, 03SP3OSJ-12, 03VK3YT-11, 03WB8ELK-6
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[21:15] <lz1dev> .aprs info KG7WFR-11
[21:15] <SpacenearUS> 03lz1dev: 03KG7WFR-11 is near 03Adams County, WA, USA 10(46.76216,-118.24634) - 12http://aprs.fi/info/KG7WFR-11
[21:15] <SpacenearUS> 03lz1dev: Path: 03KG7WFR-11>WIDE1-1 via 03WIDE2-2*,qAR,KB7DZR-10
[21:15] <SpacenearUS> 03lz1dev: Symbol: 03/> Speed: 0398kmph Course: 03150°
[21:15] <SpacenearUS> 03lz1dev: Comment: 03T#296,001,242,889,000,000,00000000 a=24370
[21:16] <Upu> and yes about now jakeio
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[21:18] <manterolat> That's a fast balloon! 1300 m/s!
[21:18] <daveake> That path will summon the APRS mafia
[21:18] <lz1dev> WIDE10-10
[21:18] <lz1dev> 1 packet to ddos all aprs
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[21:19] <daveake> The ddos happens after, on the internet, with all the complaints
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[21:23] <edmoore> the monty python foot of aprs modes
[21:24] <SpacenearUS> New vehicle on the map: 03ria-20a_chase - 12http://tracker.habhub.org/#!qm=All&q=ria-20a_chase
[21:25] <lz1dev> think my hotfix is working
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[21:43] <lburton> hi folks :) N6UDP chasing KG7WFR-11
[21:44] <lburton> should have helped out with the packet format / doing dual ssid for dual GPS (so as not to jump) before we launched lol
[21:46] <lburton> it'd be nice if it was actually a balloon icon w/correct format but alas
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[21:47] <lburton> almost 37K and still rising
[21:48] <manterolat> What's the predicted burst altitude?
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[21:49] <manterolat> Just burst, I think
[21:49] <lburton> right about now.. and it has decrease a few.. so hopefully just did..
[21:49] <lburton> yeah just did
[21:49] <lburton> :)
[21:49] <daveake> I was going to say "37K is fairly high", but you're using weird units :)
[21:49] <lburton> yep now for a 2 hour drive :)
[21:50] <manterolat> Same here, confused by units :P
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[21:50] <lz1dev> going down it seems
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[21:55] <lburton> 121K feet :) :P
[21:56] <manterolat> Looks like a pretty clear landing area (except for that river)
[21:58] <fsphil> lovely name
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[22:08] <manterolat> Tumalum Creek
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[22:12] <manterolat> lburton: How's the chase going?
[22:12] <lburton> yeah down it goes.. about an hour and 30 out..
[22:12] <lburton> N6UDP should be beaconing our current position
[22:13] <lz1dev> .aprs find N6UDP
[22:13] <SpacenearUS> 03lz1dev: 03N6UDP is near 03Franklin County, WA, USA 10(46.63466,-118.80217) at 03322 meters - 12http://aprs.fi/N6UDP
[22:13] <manterolat> Thanks for the link
[22:14] <manterolat> Is it a problem if it lands in the State Park?
[22:17] <lburton> that actually might be better -- most of them out here are open for hiking (prefferably on trails but they don't care /too/ much esp if you have reason)
[22:18] <manterolat> Nice
[22:19] <manterolat> Good thing there's an aprs station so close to the park :P
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[22:24] <amell> Gah. I hadnt realised the Lora board needed a later Pi.
[22:24] <amell> Seems the pi 2 has a different header
[22:24] <manterolat> They should be compatible
[22:25] <craag> The b+/2/3 have a new header
[22:25] <manterolat> Ah
[22:25] <craag> old a/b won't work
[22:25] <manterolat> Sorry
[22:26] <amell> so i have to buy a new pi :( :(
[22:26] <amell> how annoying
[22:26] <amell> does the 3 work here?
[22:26] <mfa298> Pi3 has built in wifi so makes life easier to connect to the internets
[22:26] <craag> a+/b+/2/3 will all work
[22:27] <amell> is 3 actually known to work/tested?
[22:27] <craag> Yes
[22:28] <craag> and it's not very different anyway
[22:29] <amell> wtf would i buy a pi3 from hong kong? ebay is full of asian chancers
[22:29] <mfa298> rs/cpc ftw buying Pi's
[22:30] <amell> yeah, seen any good cases, ideally with lcd on it?
[22:32] <mfa298> rs seem to have a reasonable case that should also let you put a hat in. Not sure about options for LCD
[22:33] <daveake> Might be fun trying to find a case that will house a Pi, LoRa HAT and LCD/HAT on top
[22:35] <daveake> This is what I did - http://www.daveakerman.com/?p=1905
[22:35] <amell> daveake: looks like a starfleet standard issue medical kit as per mccoy :)
[22:38] <mfa298> this is the case I found at RS. Top is removeable giving access to gpio and other connectors, but still covers most of the rest of the pcb https://uk.rs-online.com/web/p/development-board-enclosures/9084218
[22:40] <amell> 26.75 for pi3 from RS free next day. cant really beat that...
[22:41] <manterolat> lburton: Only ~1 hour left to landing site!
[22:41] <mfa298> they then add VAT onto that, but I think still on the cheaper side
[22:43] <mfa298> if you get a Pi3 you amy want the PSU to go with it, it's a bit more power hungry than the earlier ones (wasn't happy on my 1A PSU)
[22:43] <amell> ok. now looking for a GPS addon to PI3 that will do raw GPS for rtklib
[22:43] <daveake> yeah they can use 800mA or so without wlan, BT, USB
[22:50] <daveake> Dunno what you mean by "raw GPS", but you should be able to use any USB GPS receiver, or Upu's Pi UBlox board.
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[22:54] <amell> daveake: a GPS that does RTK
[22:55] <adamgreig> well like there are ublox modules that do rtk, but they don't work with rtklib
[22:57] <amell> hmm, looks like LEA-4T, 5T 6T do
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[23:19] <SpacenearUS> New position from 03Legionowo after 0311 hours silence - 12http://tracker.habhub.org/#!qm=All&q=Legionowo
[23:25] <SpacenearUS> New position from 03SP6NVB-11 after 0310 hours silence - 12http://tracker.habhub.org/#!qm=All&q=SP6NVB-11
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[00:00] --- Sun Mar 27 2016