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

John Champa k8ocl at hotmail.com
Sat Oct 7 16:04:58 PDT 2006


"Interesting..."!  You are so modest, sir.  This could change Amateur Radio 
Eagle will be a communications resources like none other in the history of 
the service.

John Champa - K8OCL & AAR5AH/T (MARS)
AMSAT Life Member 1069

>From: "Alan P. Biddle" <APBIDDLE at mailaps.org>
>Reply-To: APBIDDLE at mailaps.org
>To: <amsat-bb at amsat.org>
>Subject: [amsat-bb] Re: check out the amsat web site.
>Date: Sat, 7 Oct 2006 22:04:37 -0000
>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 
>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 
>downlink using a single 60cm dish. The satellite antennas will be
>electrically steered to reduce spin modulation and allow use over 75% of 
>     * 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 
>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.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

More information about the AMSAT-BB mailing list