XPost: uk.radio.amateur, free.uk.amateur-radio, rec.radio.info

AMSAT-UK

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AO-109 transponder available for use by efficient modes like FT4/CW

Posted: 20 Jul 2021 02:43 PM PDT https://amsat-uk.org/2021/07/20/ao-109-transponder-available-for-use-by-efficient-modes-like-ft4-cw/


AMSAT has announced the transponder on the amateur satellite AO-109
(Fox-1E) is available for use by efficient modes such as FT4 or CW.

A statement on the AMSAT website says:

The AMSAT Engineering and Operations Teams are pleased to announce that
AO-109 (RadFxSat-2/AMSAT Fox-1E) is now open for amateur use. Users are
advised to use efficient modes such as CW or FT4 for making contacts, since issues with the satellite make SSB voice contacts challenging at best.

Please see the May/June 2021 issue (Vol. 44, No. 3) of The AMSAT Journal
for an article by Burns Fisher, WB1FJ, and Mark Hammond, N8MH, detailing
the various attempts to characterize AO-109 and its apparent problems.

On behalf of the Engineering and Operations Teams–

73,

Jerry, N0JY and Drew, KO4MA

AO-109 Frequencies

Inverting Linear Transponder

Uplink 145.860 MHz – 145.890 MHz

Downlink 435.760 MHz – 435.790 MHz

1k2 BPSK Telemetry 435.750 MHz (non-operational)

Source AMSAT https://www.amsat.org/ao-109-radfxsat-2-amsat-fox-1e-open-for-amateur-use/

AMSAT Bulletin Board http://www.amsat.org/mailman/listinfo/amsat-bb

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