Re: [amsat-bb] re: AO-7 gone again? (mode B authorized)

["Andrew Glasbrenner" <glasbrenner@xxxxxxxxxxxxxx>]

>
> The July/August issue of the AMSAT Journal (page 25) is reporting that US
> Amateurs are authorized to USA AO-7 Mode B (432MHz uplink 2m downlink).

I don't understand why the Amsat bulletins continue to not include
information on Mode B, especially considering the recently discovered
exemption.

Drew, KO4MA

Quote from ANS bulletin of 10/19/2002

AMSAT OSCAR 7 AO-7
Uplink:         145.850 to 145.950 MHz CW/SSB
Downlink:       29.400 to 29.500 MHz CW/SSB
Beacon:         29.502 MHz, 145.975 MHz
Launched: November 15, 1974 by a Delta 2310 from Vandenberg Air Force Base,
Lompoc, California. Status: Semi-operational in sunlight.

After being declared dead 21 years ago in mid 1981 due to battery failure,
AO-7 has miraculously sprung back to life and was first detected by
Pat Gowen, G3IOR on June 21, 2002 at 1728 UTC. Jan King, W3GEY reports
AO-7 is almost certainly running only off the solar panels. It is very
likely to be on only when in the sun and off in eclipse. Therefore,
AO-7 will reset each orbit and may not turn on each time. It is in
Mode A when the 29.502 MHz beacon is detected.

On July 11, 2002 AO-7 was successfully commanded for the first time since
it was declared dead 21 years ago. Commands were sent and accepted to
change the CW beacon code speed.

Command investigation continues. So far, 11 different commands have been
accepted by AO-7.


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