[amsat-bb] Re: ARISSat-1 transponder question
Vu Trong Thu
thuvt at fpt.edu.vn
Sun Jan 1 00:17:32 PST 2012
Thank you for your response. As far as I know to use the transponder I have
to use LSB for 70cm uplink and USB for 2m downlink? However I can only set
the TS-2000's main transceiver to LSB or USB while its sub-receiver only
supports AM and FM. Power is not an issue for me and I have Az/El controlled
Has anybody here worked the transponder with a TS-2000?
From: zdap42 at gmail.com [mailto:zdap42 at gmail.com] On Behalf Of David Palmer
Sent: Sunday, January 01, 2012 1:06 PM
To: Vu Trong Thu
Cc: amsat-bb at amsat.org
Subject: Re: [amsat-bb] ARISSat-1 transponder question
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
> Thu XV9AA
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