[amsat-bb] Re: check out the amsat web site.

Scott Townley nx7u at arrl.net
Sat Oct 7 15:59:55 PDT 2006

UV and LS?  I'm down with that.  Planning the new groundstation already...
and S/C could be fun...

At 15:04 2006-10-07, Alan P. Biddle wrote:
>Interesting list of transmitters.
>AMSAT Board of Directors Approves Eagle Communications Payloads
>AMSAT's Board of Directors met on 5 October in San Francisco, CA and
>approved the following Eagle communications payloads:
>     * A SSB/CW (etc.) transponder with uplink on U-band and downlink on
>V-band. System design has a goal that it be usable over 75% of the orbit by
>an AO-13 or AO-40 capable ground station.
>     * A SSB/CW (etc.) transponder with uplink on L-band and downlink on
>S1-band (2.4 Ghz). An AO-13 or AO-40 capable ground station will be able to
>use this payload.
>     * A low rate text message system, like SMS. It will operate on U/V-bands
>and be usable over 75% of the orbit by a small terminal on the ground.
>     * These transponders will be implemented using Software Defined
>Transponders (SDX).
>Eagle will also carry an advanced communications payload (ACP). Using
>advanced signal processing and RF techniques, the ACP will allow:
>     * Voice communications on S2-band (3.4 Ghz) uplink and C-band (5.8 Ghz)
>downlink using a single 60cm dish. The satellite antennas will be
>electrically steered to reduce spin modulation and allow use over 75% of the
>     * An additional, fix-pointed, uplink will be available at L-band. This
>L-band uplink will require a separate uplink antenna at the ground station.
>     * High rate data communications, such as streaming video, using a 2m
>dish on S2/C bands.
>     * AMSAT will develop and make available an affordable ground segment for
>the ACP System.
>Additional information will be posted here in the near future.
>Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
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