highaltitude.log.20210618

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[01:15] <SpacenearUS> New position from 03DL4MDW-12 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=DL4MDW-12
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[01:53] <SpacenearUS> New position from 03W8VPV-1 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W8VPV-1
[02:32] <SpacenearUS> New position from 03K4UAH-6 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K4UAH-6
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[05:36] <SpacenearUS> New position from 03VE3OCL-20 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=VE3OCL-20
[05:36] <SpacenearUS> New position from 03VE3KCL-21 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=VE3KCL-21
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[05:51] <SpacenearUS> New position from 03SP9UOB after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SP9UOB
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[06:55] <SpacenearUS> New position from 03SP9UOB-P40 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SP9UOB-P40
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[07:27] <michaela-lgbt> VK5QI: remember when sondes reported to here >.>
[07:27] <VK5QI> haha
[07:27] <VK5QI> that would be terrible now
[07:28] <VK5QI> channel would be flooded with sondes
[07:28] <michaela-lgbt> yupppp
[07:28] <michaela-lgbt> at least 300 messages a day
[07:30] <SpacenearUS> New vehicle on the map: 03LetFik6 - 12https://tracker.habhub.org/#!qm=All&q=LetFik6
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[07:36] <SpacenearUS> New position from 03KG7KYW-2 after 0320 days silence - 12https://tracker.habhub.org/#!qm=All&q=KG7KYW-2
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[09:43] <Chrischan> DK6OV liest du hier noch mit?
[10:03] DK6OV (~DK6OV@2a02:560:42bf:6f00:e693:453e:fd75:2d0b) joined #highaltitude.
[10:03] <DK6OV> Chrischan: Ja, ja, ich lese fast immer mit.
[10:07] <Chrischan> Sei gegrüßt :) Wollte mal fragen wo du zu der Horus Gui 0.1.17 gefunden hast. Wollte mir die Version mal ansehen, doch ich finde sie nirgens.
[10:14] <DK6OV> Ich uebersetze das selber von https://github.com/projecthorus. Dort findest Du horus-gui und horusdemodlib.
[10:17] <VK5QI> hello
[10:17] <DK6OV> hi
[10:18] <VK5QI> more 4FSK payloads up? :P
[10:18] <VK5QI> im closer to providing some code to use with radiolib so people can genreate 4FSK on other platforms
[10:19] <VK5QI> already done a proof-of-concept with some canned data
[10:20] <DK6OV> projecthorus can be compiled on several platforms, but you are talking von "generating" 4FSK. That's an other thing.
[10:21] <DK6OV> con -> about
[10:21] <VK5QI> eh?
[10:21] <daveake> VK5QI: What do I need to make a 4FSK tracker ?
[10:21] <VK5QI> daveake: well i've used radiolib to handle modulation of chipsets like the SX1278
[10:22] <VK5QI> theres a bit of C library to do the forward error correction, scrambling and stuff
[10:22] <VK5QI> and then some more C to package up the data into the right structure for encoding
[10:22] <daveake> Cool so the micro of my choice + SX1278 + GPS
[10:22] <daveake> AVR beefy enough?
[10:22] <VK5QI> yeah pretty much
[10:22] <VK5QI> totally
[10:22] <daveake> Cooll
[10:22] <VK5QI> the first implementation of this was on an atmega328
[10:22] <daveake> Great
[10:23] <daveake> I tend to use ESP32 thee days as I can buy one with lora and GPS, and they have plenty of memory so I can do landing prediction easily
[10:23] <VK5QI> right
[10:23] <VK5QI> but yeah, it shoudl be possible to do 4FSK on that without issues
[10:23] <daveake> Cool
[10:23] <VK5QI> the only trick is making sure the modulation is done as accurately as possible. i think radiolib does delay-driven modulation which is not ideal
[10:24] <daveake> And any DIO pins needed or all via registers?
[10:24] <VK5QI> but it seems to work
[10:24] <VK5QI> all via registers
[10:24] <daveake> cool
[10:24] <VK5QI> its modulating in the same way we do RTTY
[10:24] <daveake> Right, so just accurate/repeatable timing from an interrupt then
[10:25] <VK5QI> radiolib seems to do an OK job though
[10:25] <daveake> So last 2 questions, where can I find some tracker code and what s/w to decode?
[10:25] <daveake> ok
[10:25] <VK5QI> so at the moment the RS41 is the 'reference platform'. but i plan to write some code which is a bit more clearer
[10:25] <daveake> np I have some
[10:25] <VK5QI> i also have my old arduino codebase which still works
[10:26] <daveake> Which adds one question ... what programmer/adapter do I need for those?
[10:26] <VK5QI> STLink v2
[10:26] <VK5QI> and some metric pitch jumper leads
[10:26] <daveake> Great, I have one from programming the first ttgo eatch
[10:26] <VK5QI> as for decoding: https://github.com/projecthorus/horusdemodlib/wiki#how-do-i-receive-it
[10:26] <daveake> watch
[10:26] <daveake> cheers I'm done :)
[10:27] DK6OV (~DK6OV@2a02:560:42bf:6f00:e693:453e:fd75:2d0b) left irc: Quit: Leaving
[10:27] <PE2BZ> VK5QI, you noticed 300 baud 4fsk RS41 in Germany yesterday ?
[10:27] <VK5QI> PE2BZ: i thought that was RTTY
[10:27] <VK5QI> or were they doing 4FSK too
[10:28] <VK5QI> daveake: https://github.com/darksidelemm/uAvaNutBinary/blob/master/uAvaNutBinary/uAvaNutBinary.ino
[10:28] <PE2BZ> Both, alternating
[10:28] <daveake> Cheers
[10:28] <VK5QI> interesting. i mean i guess you could run 4FSK at that rate, but you'd need to adjust teh tone spacing
[10:28] <VK5QI> daveake: my horribel delay-driven MFSK modulation code: https://github.com/darksidelemm/uAvaNutBinary/blob/master/uAvaNutBinary/MFSK.ino
[10:28] <daveake> :) ta
[10:28] <VK5QI> pretty sure this was driving the TXD pin on a MTX2
[10:29] <VK5QI> hence all the analog outs
[10:29] <VK5QI> but you could convert that to register rites
[10:29] <VK5QI> writes*
[10:29] <VK5QI> but yeah, main thing with ths 4FSK mode is the current format is very strict. Use it for robust tracking and do your fancy sensor stuff via another method
[10:29] <daveake> Yes I thought I remembered you doing the analog stuff a while back
[10:29] <PE2BZ> https://www.dropbox.com/s/j3ec818o3k1117u/4fsk-300.jpeg?dl=0
[10:30] <VK5QI> i do have a 'v2' format which has a few bytes spare for custom use. but there's this annoying thing called time which i lack to add support for it in the decoder
[10:30] <VK5QI> PE2BZ: that looks broken :/
[10:30] <PE2BZ> So, the signal to the left and right in the image are part of a crane telemetry transmitter.
[10:30] <daveake> time is an illusion
[10:30] <VK5QI> oh
[10:30] <PE2BZ> the signal in the middle is the 4fsk - rtty signal :-)
[10:30] <PE2BZ> I had about 40 decodes
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[10:31] <VK5QI> https://github.com/projecthorus/horusdemodlib/wiki/4-Packet-Format-Details#horus-binary-v2---32-byte-format-fixed-portion
[10:31] <VK5QI> this is what i want to move to
[10:31] <VK5QI> PE2BZ: what callsign were they using for 4FSK?
[10:31] <PE2BZ> Bubble
[10:31] <VK5QI> ohhhhhhhhhhhhhhh
[10:31] <VK5QI> that was them!
[10:31] <VK5QI> hah
[10:32] <VK5QI> yeah i told them last time not to run 4FSK at 300 baud
[10:32] <VK5QI> actually it hink they were running another tracker using the callsign BUBBLE btw
[10:32] <PE2BZ> https://www.dropbox.com/s/ajr7p00w79gutdn/WhatsApp%20Image%202021-06-17%20at%2017.52.31.jpeg?dl=0
[10:32] <VK5QI> because i see telemetry on the tracker which is not from the horus-gui decoder
[10:33] <VK5QI> but yeah, i need to get off my ass and get the v2 mode decoder going, because i'm going to run out of payload IDs
[10:33] <VK5QI> hit 60 today
[10:35] <VK5QI> i should be able to make it decode v1 and v2 simultaneously, just run two decoder simultaneously looking for the different headers
[10:42] <SpacenearUS> New position from 03AURA-3 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=AURA-3
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[11:22] <SpacenearUS> New position from 03DL4MDW-12 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=DL4MDW-12
[11:30] <SpacenearUS> New position from 03N4XWC-1 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[11:33] Nick change: Trieste_ -> Trieste
[11:52] <SpacenearUS> New position from 03SQ6TW-4FSK after 037 days silence - 12https://tracker.habhub.org/#!qm=All&q=SQ6TW-4FSK
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[13:45] <SpacenearUS> New position from 03IDA-4FSK after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=IDA-4FSK
[14:02] <Chrischan> DK6OV, selbst kompilieren war der richtige Hinweis. Danke!
[14:16] <SpacenearUS> New position from 03ICT6 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=ICT6
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[18:54] <SpacenearUS> New position from 03VORTEX1 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=VORTEX1
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[19:37] <SpacenearUS> New position from 03TA1BFD-1 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=TA1BFD-1
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[19:54] <SpacenearUS> New position from 03W8VPV-1 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W8VPV-1
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[23:28] <SpacenearUS> New position from 03K4UAH-6 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K4UAH-6
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[00:00] --- Sat Jun 19 2021