Hey John!
LilacSat-2 is really unique... there are multiple telemetry formats on a couple of different frequencies & then there's an FM voice transponder with yet another telemetry stream sub-audio.
If you scroll down to the "LilacSat-2" section on this page:
https://github.com/daniestevez/gr-satellites
... there is a great technical explanation. The most thorough decoders are available in the GNU-Radio platform at the link above and the original software from the project team is at:
https://github.com/bg2bhc/gr-lilacsat
However, if you prefer Windows, the "HS" (high-speed) version of the UZ7HO sound modem software includes a demodulator for the 4800 baud stream. A .KSS file from that type of demod can be provided to the appropriate decoder at the following page and you can turn it into human-readable "real" telemetry:
http://www.dk3wn.info/p/?page_id=29535
Finally, be sure to try the 144.350 FM voice uplink (no CTCSS) from time to time (downlink 437.200)... it's been active several evenings recently and I've only caught a couple of people on. Understandable, of course, since it's not been operational all the time. But when the transponder is active, the range is good and the noise bursts on the downlink disappear when someone transmits on the uplink.
I hope that little overview plus the technical detail on Dani's github repository prove helpful to you.
-Scott, K4KDR
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On Thu, Nov 1, 2018 at 10:50 PM [email protected] [email protected] wrote:
This evening at 0000 utc I listened and taped the beacon as the satellite passed my qth and it wasn't loud but very audible. So my question is... What software will interpret it and is it available to amsat members. Also, I use My Sats app on my phone and the up links and down links seem to confuse me and I would like to work it if possible. Is it FM? And are there two sets of frequencies. Thanks for any information.
JohnN7AME