[amsat-bb] Re: ARISSat-1 Demodulation

Mark L. Hammond marklhammond at gmail.com
Thu Feb 10 05:42:10 PST 2011

Hello Angel,

On Thu, Feb 10, 2011 at 7:18 AM,  <santanaamt at aol.com> wrote:
> Hello to the group:
> Have been reading about the satellite and BPSK 1000,but then have a little doubt on two subjects:
> 1- The BPSK 1000 part, can be decoded on FM, SSB or a combination of both?

SSB, and most users will find that USB makes sense with Doppler
shift...it is downlink only, telemetry and experimental data.

> 2- In the same line, if one TX to it on U/V, what is the mode to use? 70cmUSB/2mLSB, 70cmLSB/2mUSB and/or 70SSB/2mFM?

70cm LSB uplink, 2M USB downlink---only in the frequency range of the
transponder portion of the satellite, when it's active.

The FM part of the satellite is downlink only, carrying voice
telemetry and other messages of good will.


Mark N8MH

> Thanks in advance.
> Angel - WP3GW
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Mark L. Hammond [N8MH]

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