[amsat-bb] AO-7 mode change

Paul Stoetzer n8hm at arrl.net
Wed Jun 4 23:18:27 UTC 2014

I find it odd that they did not reply to you in Mode A. Given that the
warnings about excessive power can lead to random mode switching on
AO-7 stretch back 37 years, one can only conclude that they wanted the
satellite to be in Mode A.


Paul, N8HM

On Wed, Jun 4, 2014 at 6:09 PM, Glenn Miller - AA5PK
<aa5pk at suddenlink.net> wrote:
> I was listening to AO-7 in Mode B as it rose at 2153Z.
> At 2158Z, AO-7 suddenly switched from Mode B to Mode A.
> At the time of the switch, there were two stations using excessive power
> (badly FMing) on the bird.  Not sure if that was a coincidence or not.
> Called CQ on Mode A in both CW and SSB with no response.
> 73
> Glenn AA5PK
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