highaltitude.log.20190115

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[00:49] <armin> lol
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[02:20] <k6sts> help
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[07:34] <hc> hi
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[09:30] <vaizki> Darkside / Viproz_: having a float value between 0 and 1 or a confidence factor would allow some protocols like UKHAS rtty with checksum to find the most likely flipped bits and recover from some bit errors...
[09:37] <Darkside> vaizki: orrrrrr you could use a FEC that actually benefits from it properly, like we're already doing with the 'horus binary' mode
[09:37] <Darkside> where we are using a golay code
[09:37] <Darkside> or with wenet, where we are using a LDPC code
[09:37] <Darkside> time to move away from straight RTTY and onto something that has real FEC
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[09:41] <Darkside> i may eventually use a small LDPC code for the low-rate packet stuff, but i'm not 100% sure its going to give much increase in performance, need to look at the BER vs Eb/N0 curves
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[09:42] <Darkside> LDPC codes only really get good in the thousands of bits range, not the small 256/512 bit packets i'm using
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[09:46] <vaizki> Darkside, sure... just thinking of how existing applications could also benefit
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[10:08] <Darkside> vaizki: they could benefit with a nice snippet of code which does the appropriate FEC...
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[12:09] <Heppie_2E0VTO> I now have my RPi LoRa tracker set up with both 433 and 868 modules. I would like to test that everything is working as it should. I have some spare LoRa modules but i am having trouble finding a good resource on setting up an arduino and LoRa module to submit some dummy data and what format to use. Can anyone point me in the right direction?
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[13:02] <SpacenearUS> New vehicle on the map: 03HB9HFJ-11 - 12https://tracker.habhub.org/#!qm=All&q=HB9HFJ-11
[13:04] <dbrooke> Heppie_2E0VTO: I've not used it but ... https://github.com/daveake/FlexTrack
[13:14] <daveake> I've used it; it's ace :p
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[13:39] <dbrooke> good to hear 8-)
[13:43] <Viproz> vaizki, soft bits would also be good for M10s where you always have 10 or 01, you can then compare the two values to decide if it's one or the other, that's what I currently do for M10s but with a FM decoding in between
[14:03] <SpacenearUS> New position from 03BSS18 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=BSS18
[15:21] <Heppie_2E0VTO> Thanks dbrooke and daveake, I will try altering that code just to send some dummy data.
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[22:45] <Viproz> Darkside, ping ?
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[00:00] --- Wed Jan 16 2019