[amsat-bb] Re: ARISSat-1 transponder question

David Palmer KB5WIA kb5wia at amsat.org
Sat Dec 31 22:43:42 PST 2011

Hi Thu,

Happy New Year to you as well!

I don't have a TS-2000 myself, but that rig should be fully capable of
working the ARISSat-1 transponder, many hams use the rig for AO-07 and
VO-52 which work essentially the same way as ARISSat.

The challenges (above copying the downlinks as you're doing now) are
that you'll need to have the uplink (70cm) antenna working, as well as
have the computer control of doppler for up/down on your rig.  SatPC32
works well for this.  Also, signals through the transponder are very
weak, so you'll need to have some gain in the antennas and/or power on
the uplink.

On a related note, I had a nice (short!) QSO with N6EV tonight through
the transponder -- 01/01/2012 0124z.  It's super-exciting to hear
another station coming through the passband!!!  ARISSat-1 may not have
much time left, but it's still working great.

73 and Happy New Year all,


On Sun, Jan 1, 2012 at 4:43 AM, Vu Trong Thu <thuvt at fpt.edu.vn> wrote:
> Happy New Year!
> This morning I kicked off the new year with 2 passes of ARISSat-1, copied
> both CW beacon, BPSK telemetry and FM voice/SSTV simultaneously on Kenwood
> TS-2000. I would also like to try the transponder but don't know if my
> transceiver allow it? This TS-2000 has all modes on its main transceiver but
> its sub receiver only supports AM or FM. Could anybody help?
> Thanks,
> Thu XV9AA
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