highaltitude.log.20160823

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[00:06] <amell> adamgreig: how come you're not in Scotland yet? I heard things were running behind a bit?
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[04:41] <SpacenearUS> New position from 03UBSEDS18 after 0312 hours silence - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS18
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[05:33] <Vaizki> go go UBSEDS18
[05:35] <Vaizki> !whereis UBSEDS18
[05:35] <SpacenearUS> 03Vaizki: 03UBSEDS18 was over 0351.6589,38.7247 at 0313140 meters about 0332 minutes ago
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[05:38] <SpacenearUS> New position from 03KF5KMP-6 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=KF5KMP-6
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[08:00] <fsphil> http://hackaday.com/2016/08/22/hackaday-prize-entry-a-cpu-for-balloons/
[08:00] <fsphil> is that a daveake ssdv pic at the top?
[08:02] <daveake> Don't think so
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[08:03] <fsphil> don't recognise the landscape, but the fuzzy jpeg looks a bit ssdv-ish. could be a frame grab from a video though
[08:06] <AndyEsser> "If you ever want to find your payload, youll also need an amateur radio license."
[08:06] <AndyEsser> *sigh*
[08:06] <fsphil> wait till you get to the good grammer bit
[08:07] <AndyEsser> "who are wont to criticize design "
[08:09] <fsphil> I sense a phone's autocorrect
[08:09] <AndyEsser> I sense a muppet
[08:15] <AndyEsser> https://nasa.github.io/openmct/
[08:15] <AndyEsser> this looks interesting
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[08:25] <SpacenearUS> New vehicle on the map: 03LORA1 - 12https://tracker.habhub.org/#!qm=All&q=LORA1
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[08:40] <SpacenearUS> New vehicle on the map: 03NOTAFLIGHT - 12https://tracker.habhub.org/#!qm=All&q=NOTAFLIGHT
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[09:38] <UA1ASB> Timestamp Call MHz SNR Drift Grid Pwr Reporter RGrid km az 2016-08-23 09:02 KK6RAT 14.097117 -5 0 NQ21 501 UA1ASB KP51ba 2596 272 2016-08-23 08:44 KK6RAT 14.097118 -6 -1 NQ21 501 UA1ASB KP51ba 2596 272 2016-08-23 08:34 KK6RAT 14.097119 -6 1 NQ21 501 UA1ASB KP51ba 2596 272 2016-08-23 07:58 KK6RAT 14.097117 -8 0 NQ21 501 UA1ASB KP51ba 2596 272
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[09:44] <UA1ASB> KF5KMP-6 #wspr beacon 14o97 kHz Grid Loc > NQ12 > NQ11 > NQ21
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[09:57] <jakeio> Is it OK to secure the Pi Zero down with some insulation tape directly over the board?
[09:59] <michal_f_off> i did this wit pi A
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[11:02] <SpacenearUS> New position from 03IV3SRD-11 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[11:44] <SpacenearUS> New vehicle on the map: 03RPF-C2 - 12https://tracker.habhub.org/#!qm=All&q=RPF-C2
[11:45] <SpacenearUS> New vehicle on the map: 03RPF-C1 - 12https://tracker.habhub.org/#!qm=All&q=RPF-C1
[11:47] <SpacenearUS> New vehicle on the map: 03BARC - 12https://tracker.habhub.org/#!qm=All&q=BARC
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[13:14] <SpacenearUS> New vehicle on the map: 03DIXON - 12https://tracker.habhub.org/#!qm=All&q=DIXON
[13:18] <pb0ahx> !flights
[13:18] <SpacenearUS> 03pb0ahx: Current flights: 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
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[13:46] <jonsowman> seriously hackaday
[13:46] <jonsowman> how many times have they reported on hab now
[13:47] <AndyEsser> red aurora alert for Lancaster today
[13:47] <AndyEsser> FYI
[13:48] <fsphil> that's quite geographically specific
[13:48] <AndyEsser> I think it's more it's Lancaster Uni that provide it ;)
[13:48] <AndyEsser> so suspect they only care about themselves ;)
[13:48] <fsphil> clear skies here tonight. might head out to a dark site
[13:49] <AndyEsser> Yea, same
[14:05] <SpacenearUS> New position from 03M0SBU-12 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=M0SBU-12
[14:06] <gonzo__> much too far south for me, and bad light pollution
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[14:31] <Geoff-G8DHE-Lap> Aurora alert cancelled! Spurious reading within the network!!
[14:31] <fsphil> awww
[14:32] <Geoff-G8DHE-Lap> http://wp.lancs.ac.uk/aurorawatchuk/2016/08/23/red-alert-cancelled/
[14:32] <Geoff-G8DHE-Lap> Some one walked past with a magnet in their pocket ;-)
[14:33] <AndyEsser> aww
[14:41] <M0RJX> daveake, well i've been over thinking this and found bugs in two fifo c implementations 20 + hours so far
[14:42] <M0RJX> now I discover c pipes and they are thread safe just testing now and hopefully we will be there
[14:44] <SpacenearUS> New position from 03UBSEDS18 after 037 hours silence - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS18
[14:44] <fsphil> M0RJX: the ssdv code has been updated, the bulk packet upload should be much faster now
[14:44] <M0RJX> fsphil, cool
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[14:45] <fsphil> needs testing if you or daveake get a chance
[14:46] <M0RJX> now to get this bloody pipe working I can't tell you how much time I have spent debuging olf fifo c implementations and making them thread safe
[14:47] <M0RJX> fsphil, within the next 2 hours !!!!
[14:50] <daveake> https://youtu.be/E06cNv55jTs?t=44s
[14:50] <AndyEsser> <3 Stingray
[14:51] <fsphil> "stingray ... stingray ... sting-ray"
[14:51] <fsphil> good lyrics
[14:52] <AndyEsser> :)
[14:52] <AndyEsser> simpler times
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[16:11] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12https://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
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[16:19] <M0RJX> Yes the lora-gateway takes a step closer to working :-)
[16:22] <craag> M0RJX: What modifications are you doing to the gateway?
[16:22] <M0RJX> well so it works, without loosing packets
[16:23] <M0RJX> I've implemented a fifo queue to send the data to the threads
[16:23] <craag> I had a fork with an upload thread and circular buffer between that and the radio rx
[16:24] <craag> but ended up far too behind dave's master
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[16:24] <craag> was for running the pi in the car, on 3g, which I never ended up doing
[16:27] <daveake> yah Rob's work will be useful for that
[16:27] <daveake> yeah ^
[16:27] <daveake> (not trying to sound like a yuppie)
[16:27] <M0RJX> lol
[16:28] <daveake> I've got a bunch of minor changes to make once Rob's work is done
[16:28] <M0RJX> dave just tested with 3437 telemetry packets
[16:28] <M0RJX> Not lost one :-)
[16:28] <daveake> this is good :)
[16:28] <M0RJX> now for the ssdv packets
[16:28] <M0RJX> this is at 100 / second
[16:29] <daveake> yeah those are more important. Missing position packets doesn't make a lot of difference so long as the last one goes in :)
[16:29] <craag> is it a static buffer M0RJX ?
[16:29] <daveake> also the rate tends to be one every few seconds not 1-2 per second
[16:29] <craag> or does it grow?
[16:29] <M0RJX> after 20 hours of debugging and hard work I discovered the c pipe command
[16:29] <daveake> which reminds me, next 868 lora flight I'll switch the speed "to the max"
[16:30] <M0RJX> which does what it says on the can :-)
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[16:30] <AndyEsser> apparently the Aurora alert was triggered by a lawnmower
[16:30] <M0RJX> and it's tread safe
[16:30] <M0RJX> thread
[16:30] Action: daveake treads on gateway
[16:30] <daveake> crack
[16:30] <M0RJX> basically open a pipe and write to it
[16:30] <craag> oh interesting - not used those before
[16:30] <M0RJX> the thread reads from it :-)
[16:31] <M0RJX> Job done :-)
[16:31] <M0RJX> No only took me a week to find the right solution :L-)
[16:31] <daveake> AndyEsser: They should implement a filter to turf those out
[16:31] <AndyEsser> *facepalm*
[16:32] <daveake> Look, I've been bashing my head against a x-platform issue all day today and most of yesterday; I need a break
[16:32] <M0RJX> this little snipit basically sums it all up nicely
[16:32] <M0RJX> https://linuxprograms.wordpress.com/category/pipes/
[16:33] <craag> 65535 file descriptors capacity
[16:33] <craag> not bad
[16:34] <craag> thanks, may end up swapping out a few of my linux platform circular buffers for this :)
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[16:38] <M0RJX> craag, its actually very easy just never heard of it before
[16:38] <M0RJX> saves all those linked list issues
[16:38] <craag> yep just had a play (me neither) :D
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[16:52] <AndyEsser> using pipes for IPC?
[16:52] <M0RJX> ipc?
[16:52] <AndyEsser> inter process communication
[16:52] <M0RJX> Yep
[16:52] <M0RJX> is that bad?
[16:52] <AndyEsser> it's the preferred way(TM) in linux
[16:53] <AndyEsser> almost the same as using a network socket, but without the network socket overhead
[16:53] <M0RJX> ahh better than the shite I've been trying to do with linked lists and mutexes
[16:53] <AndyEsser> if you do netstat -l
[16:53] <AndyEsser> you'll see a bunch of open pipes
[16:56] <M0RJX> yeah ther is only one In and out as I'm using a 2 thread model
[16:56] <M0RJX> Producer and consumer
[17:01] <cm13g09> mfa298: ping
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[17:17] <M0RJX> Oh yes I'm loving this
[17:17] <M0RJX> Rhight 1 hour and the ssdv stuff will be done
[17:18] <PE2BZ> M0RJX Good job ! Deserves a cold drink :-)
[17:19] <M0RJX> Cheers
[17:19] Action: M0RJX takes a large gulp!
[17:20] Action: PE2BZ adds a ¨give a free drink¨ button to the habhub homepage ....
[17:23] <AndyEsser> should start a Habhub Points thing with one the bots
[17:23] <AndyEsser> and give points to people who help track, recover, help noobies etc
[17:23] <AndyEsser> and then at the conference you can cash in the points for beer :)
[17:24] Action: PE2BZ rewards AndyEsser with a Good Point point
[17:24] <fsphil> +1 point for awarding points
[17:25] <PE2BZ> +1 for making a bot who serves the beer
[17:25] <fsphil> they had one of those at emf :)
[17:25] <PE2BZ> female bot I assume ?
[17:27] <fsphil> well, cocktail mixer not beer
[17:28] <fsphil> https://www.youtube.com/watch?v=4iX5UWLZQF8
[17:31] <PE2BZ> Great !
[17:31] <udat> in absence of a payload think I'm going to have to figure out how to do some lora tx to test
[17:32] <PE2BZ> udat you are not in NL close to me ?
[17:32] <udat> afraig not, GI land
[17:32] <udat> afraid
[17:32] Action: PE2BZ did not pay attention at school and has no clue if GI land is Great Ireland or something
[17:33] <udat> silly i didn't order extra modules when got the other ones
[17:33] <udat> northern ireland, some would say it's great :)
[17:33] <fsphil> suspect you're too far to pick up anything from me
[17:33] <udat> yeah, in a hold in the ground under scrabo hill/craigantlet hills here
[17:34] <udat> s/hold/hole/ can't type tonight
[17:35] <PE2BZ> I have 100 mW with 9 dBd gain on 432.625 on air. It made it over 440 km distance. But between me and Northern Ireland is a much greater distance...
[17:36] <fsphil> not impossible. just very unlikely
[17:37] <udat> have a x-quad beamed at gb3uhf jt65, rarely get a decode though
[17:41] <udat> will get another pair to let me have a play
[17:41] Nick change: lz1dev_ -> lz1dev
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[19:12] <M0RJX> ping fsphil, daveake
[19:12] <daveake> pong
[19:12] <M0RJX> :-)
[19:13] <M0RJX> Right I'm ready to demostrate a test upload
[19:13] <daveake> Seriously, the farmland round here is very smelly atm
[19:13] <M0RJX> then I will take out the test data and you can try some real stuff
[19:13] <M0RJX> http://ext.hgf.com/ssdv/
[19:14] <M0RJX> if you go to this link you should see a picture there. Note all packets delivered
[19:14] <daveake> OK I'll need to sort out a tracker as my usual test one is at RPi for them to fix a camera bug
[19:14] <daveake> cool
[19:14] <M0RJX> Oooh check you out
[19:14] <M0RJX> What kind of bug have you found?
[19:14] <M0RJX> Spider ?
[19:15] <M0RJX> Right are you on the link?
[19:15] <daveake> There's an i2c issue in the camera driver
[19:15] <M0RJX> ooh and you found it
[19:15] <daveake> End result is s/w thinks the camera is in a different mode to what the camera thinks
[19:15] <M0RJX> nice did you use a logic anayzer
[19:15] <daveake> So you get corrupted jpegs
[19:16] <daveake> Nah just enabled debug output
[19:16] <M0RJX> Cool
[19:16] <M0RJX> Ok you ready
[19:16] <daveake> No I need to go add a camera to a tracker and then configure it
[19:16] <M0RJX> and I'll fire an image up
[19:17] <M0RJX> No you just need to click on the link above
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[19:17] <M0RJX> and i'll post an image
[19:17] <M0RJX> hey jcoxon
[19:18] <M0RJX> daveake, ?
[19:18] <jcoxon> hi
[19:18] <daveake> yeah already did that
[19:18] <M0RJX> Ok here come a pic now
[19:18] <daveake> I recognise that inverted office
[19:19] <M0RJX> jcoxon, just testing the lora-gateway after a couple of changes
[19:19] <M0RJX> http://ext.hgf.com/ssdv/
[19:19] <M0RJX> daveake, what do you think?
[19:19] <M0RJX> Quite quick!
[19:20] <daveake> yeah seems quick
[19:20] <daveake> what rate is that ?
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[19:20] <M0RJX> Basically I'm sending 100 packets a second and the ssdv process uloads them as fast as it can
[19:21] <M0RJX> at it's leasure
[19:21] <daveake> right
[19:21] <daveake> 1 packet er upload or several ?
[19:21] <daveake> per
[19:21] <M0RJX> No packet loss at all now
[19:22] <M0RJX> One atm I could just change that code now to grab as many packets as possible
[19:22] <M0RJX> It will make a big difference I think
[19:22] <daveake> Check with fsphil but it should reduce load on the server if you do
[19:22] <daveake> plus less bandwidth
[19:22] <M0RJX> It will hugely reduce the curl time to
[19:22] <daveake> ofc
[19:23] <M0RJX> I think I can hack that in 30 mins
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[19:23] <M0RJX> could you send me 10 pics in bin format as I get through them to quickly for the server to refresh
[19:23] <daveake> My gateway has that code anyway
[19:24] <daveake> sure 1 sec
[19:24] <M0RJX> Yeah I'll steal it back and put it back in :-)
[19:25] <daveake> Well I have 3 useful ssdv files, but you can make as many as you like from jpegs using Phil's ssdv program
[19:26] <daveake> The ssdv versions are temporary files and get deleted once finished with
[19:26] <daveake> ah wait found a load hiding in a backup folder
[19:27] <Laurenceb_> http://www.urbandictionary.com/define.php?term=flyback
[19:27] <Laurenceb_> for anyone who has been on irc
[19:29] <daveake> yh more m M0RJX
[19:33] <M0RJX> yh ?
[19:34] <M0RJX> I'll limit it to 50 packets at a time :-)
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[19:39] <fsphil> yeah the bulk uploader is very fast now. many packets at once won't be much slower than 1 packet.
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[19:45] <M0RJX> fsphil, in 20 mins we will bulk upload at max 50 per upload
[19:46] <M0RJX> it will save curl time here
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[20:16] <SpacenearUS> New vehicle on the map: 03UPULORA1 - 12https://tracker.habhub.org/#!qm=All&q=UPULORA1
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[20:28] <Upu> 16.5km M0RJX
[20:29] <M0RJX> hehe
[20:29] <M0RJX> Cool
[20:29] <M0RJX> Not bad on the gorund
[20:29] <Upu> not at all
[20:31] <M0RJX> in 10 mins I will be resy to test telem upload to habitat
[20:31] <Upu> rgr
[20:45] <fsphil> your back in t'north M0RJX?
[20:46] <daveake> virtually
[20:46] <M0RJX> no just virtually
[20:46] <M0RJX> lol
[20:46] <daveake> More Lanzarote than Nora Batty
[20:46] <M0RJX> back sat @ 1 am
[20:47] <M0RJX> daveake, very nearly there @ 50 packets per upload or the remaining packet :-)
[20:47] <M0RJX> s
[20:47] <fsphil> urg. no fun driving to/from the airport that early in the morn
[20:47] <M0RJX> go a driver to collect us :-) phew
[20:49] <daveake> Driver at the airport ... driver for the conf ...
[20:49] <M0RJX> Its a good life :-)
[20:50] <M0RJX> right this is stupidly quick
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[20:54] <fsphil> http://aurorawatch.lancs.ac.uk/ -- hmm.. hopefully not someone doing some late evening lawn mowing
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[21:15] <michal_f> hi. I have a question on PITS tracker hardware, perhaps daveake or Upu can answer
[21:16] <michal_f> raspi serial pin (8-tx) doesn't look to be connected to NTX2b enable pin
[21:16] <michal_f> at least looking at guthub schematics
[21:16] <michal_f> how can it be reprogrammed to different freq. then ?
[21:17] <SpacenearUS> New vehicle on the map: 03MIKEL-5 - 12https://tracker.habhub.org/#!qm=All&q=MIKEL-5
[21:24] <Vaizki> michal_f: the v2.4 schematic shows NTX2b enable connected to GPIO17 on the raspi?
[21:25] <Upu> its programmed using "software serial"
[21:26] <Vaizki> oh. ah. I misunderstood the question there.. :)
[21:28] <michal_f> Upu, I'm looking at code now and it looks like it writes to "/dev/ttyAMA0"
[21:28] <michal_f> isn't it serial TX pin on raspi ?
[21:28] <Upu> hang on let me have a look
[21:28] <Upu> been a while
[21:29] <Upu> nope enable is connected to GPIO17
[21:30] <michal_f> as per PDF schematics...
[21:30] <michal_f> and SetNTX2BFrequency() doesn't look like it sends any serial sentence over that pin
[21:31] <Vaizki> yea AMA is the default name for amba driver (ARM) ports
[21:32] <Upu> michal_f: yes it does it makes a software serial connection
[21:32] <Upu> https://github.com/PiInTheSky/pits/blob/master/tracker/tracker.c#L364
[21:32] <Upu> we transmit via hardware UART
[21:32] <daveake> The older PITS boards connect serial Tx on the Pi to the NTX2B enable pin via 2 resistors
[21:32] <Upu> but the frequency is done elsewhere
[21:33] <daveake> The connection between those resistors goes to a GPIO pin which is either high-impedance (to allow programming) or is set as a high output to enable the transmitter
[21:34] <daveake> On the later boards we use a PWM-based software serial instead
[21:34] <daveake> older code for NTX2 newer MTX2
[21:35] <daveake> And in both cases, Pi Tx output goes to the radio data pin via the usual resistor network
[21:35] <michal_f> daveake, do you, by any chance, have drawings of that 2 resistors setup ?
[21:35] <michal_f> i'm trying to recreate the older way with ntx2b
[21:36] <daveake> It'll be in the original schematic which should be in the github repos
[21:36] <michal_f> ok, let me look
[21:36] <daveake> It's just Tx ---> R -------> GPIO -------> Enable
[21:37] <Upu> https://github.com/PiInTheSky/pits-hardware
[21:37] <daveake> could just be the 1 resistor axtually
[21:37] <Upu> try 0.5
[21:39] <michal_f> ok I see it. it's 10k ohms
[21:39] <michal_f> thanks guys. I'll try this in practive now :]
[21:47] <M0RJX> yess I ve done it
[21:47] <M0RJX> Right the lora gate way is bloody awsume now !!!
[21:48] <M0RJX> Can handle 1000 packets a second
[21:48] <SpeedEvil> :)
[21:48] <M0RJX> will upload in a maximum of 50 packet chunks
[21:50] <M0RJX> ping daveake
[21:51] <daveake> pong
[21:51] <M0RJX> dave I have a test version for you :-)
[21:52] <daveake> cool
[21:52] <michal_f> daveake and Upu: thanks again ! soldering that R fixed problems !
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[21:52] <daveake> yeah would help :)
[21:52] <M0RJX> This is pointing to http://ext.hgf.com/ssdv/ fro ssdv images
[21:52] <michal_f> I must admit that looking at schematics with just labels and no explicit connections can be misleading when I have no practice
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[21:53] <daveake> many receivers :)
[21:53] <daveake> yeah I don't like schematics like that
[21:53] <daveake> hard to see what's going on
[21:54] <michal_f> who has so many linux books ? :)
[21:54] <fsphil> M0RJX: you should try it on the live server
[21:54] <fsphil> I'd be interested to see if my changes help
[21:55] <daveake> M0RJX: Did you mean to have 687 uploader IDs ?
[21:56] <M0RJX> opps not really I just wanted to check all the packets were there.
[21:56] <M0RJX> Onsec and I'll pop it back and point it back to habitat
[21:57] <fsphil> QFSDV .. quite fast scan digital video
[21:58] <fsphil> it's definitly not video unless you scroll down the page really quickly
[22:01] <Vaizki> ICBINV - I Can't Believe It's Not Video!
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[22:01] <M0RJX> ok ready
[22:01] <fsphil> unleash the packets
[22:02] <M0RJX> dave you have the latest changes
[22:02] <Vaizki> open the floodgates
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[22:03] <M0RJX> http://ssdv.habhub.org/ about 4 seconds :-)
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[22:03] <Vaizki> boom
[22:03] <Vaizki> 0 missing but the image is missing scanlines?
[22:03] <fsphil> 0+ missing
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[22:04] <fsphil> means it hasn't detected the EOI so it knows some are missing, but not how many
[22:04] <Vaizki> oh. ok.. strange notation?
[22:04] <M0RJX> if anyone else want to have a play https://github.com/rharrison/lora-gateway
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[22:04] <M0RJX> opps I thought I had changed the receivers
[22:06] <daveake> fsphil: That animated gif thing would be worth trying again
[22:06] <fsphil> oh yes
[22:06] <daveake> This time it could finish txing before it lands
[22:06] <fsphil> lol
[22:07] <fsphil> where are the ends of the images going
[22:08] <fsphil> rounded to 50. it's losing the last block. is the gateway sending it M0RJX?
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[22:08] <fsphil> or is it holding on to it until it finds 50 packets?
[22:08] <fsphil> you might need a timeout
[22:09] <fsphil> yep that's it, the previous image is complete now
[22:09] <M0RJX> it basically waits till no packets and sends the block anyway it will only (should) send 50 if it can find 50 in the buffer. any empty buffer will just send what it has
[22:10] <M0RJX> but there seens to be a bug :-)
[22:10] <M0RJX> It's very quick though!
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[22:10] <fsphil> indeed. Darkside: bring it on :)
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[22:11] <daveake> :)
[22:11] <fsphil> daveake: since it's not limited by the decoder in fldigi, might be neat to try something new
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[22:11] <daveake> yup
[22:12] <M0RJX> 4K :-)
[22:12] <fsphil> 4K pixels maybe
[22:12] <SpeedEvil> 4km is a modest goal
[22:12] <fsphil> but something like a 160x120 video stream
[22:12] <M0RJX> fsphil, is in the right track
[22:12] <M0RJX> on
[22:13] <SpeedEvil> 160*120 - that reminds me of a service in 1998...
[22:14] <Laurenceb__> https://www.youtube.com/watch?feature=player_embedded&v=Gki96I75ve0
[22:16] <Laurenceb__> looks like they have a removal rig now
[22:16] <SpeedEvil> neat
[22:22] <M0RJX> fsphil, I'll look into the final packets bug tomorrow
[22:24] <M0RJX> ping fsphil
[22:24] <M0RJX> they seem to have come through now?
[22:30] <fsphil> that last image looks fine
[22:30] <fsphil> the impression I got was that the gateway was hoarding the last packets, until the next image pushed it over the 50 mark
[22:31] <M0RJX> hehe read will block until the pipe is closed or it gets 50 packets
[22:31] <M0RJX> I thought it would retun 0 if there are no bytes
[22:31] <fsphil> right, you'll need some kind of timeout. you might be able to use select() on it
[22:31] <M0RJX> So I need to make the pipe no blocking I think
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[22:32] <M0RJX> I'll look into the select thing
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[22:38] <M0RJX> fsphil, I'll read this tomorrow and hopefully there is a solution there http://linux.die.net/man/7/pipe
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[22:48] <Geoff-G8DHE-Lap> Slight Aurora spotted in Wales tonight despite the "false" alarm at lunch time!
[22:49] <Laurenceb__> over rest of uk?
[22:49] <SpeedEvil> Geoff-G8DHE-Lap: yay
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[22:51] <fsphil> too cloudy here atm
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[22:56] <SpeedEvil> here too
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[23:09] <SpacenearUS> New position from 03IV3SRD-11 after 038 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[23:37] <Laurenceb__> I dunno what to look for
[23:37] <Laurenceb__> clear sky, something weird up there but it could be cloud
[23:38] <SpacenearUS> New position from 03AFB_STN after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=AFB_STN
[23:40] <SpeedEvil> Laurenceb__: your eyes need to be reasonably dark adapted, and clear dark skies.
[23:40] <SpeedEvil> basically a slowly moving 'curtain' of mostly green (though you can't see the colour)
[23:41] <Laurenceb__> ok, not what I was seeing
[23:43] <Laurenceb__> http://www.aurora-service.eu/aurora-forecast/
[23:43] <Laurenceb__> seems too far north
[00:00] --- Wed Aug 24 2016