[amsat-bb] Re: Sunday US ARISSAT Pass
David Palmer KB5WIA
kb5wia at amsat.org
Mon Oct 24 06:34:48 PDT 2011
On Mon, Oct 24, 2011 at 12:32 PM, Jeff Welsh <jhwelsh at gmail.com> wrote:
> Did anyone notice the apparent reset of ARISSAT yesterday during it's
> mid-afternoon US pass?
> I was in the process of setting up for telemetry reception when the bird
> seemed to drop out completely and come back online about 1-2 minutes later.
> Just curious if it is a schedule rest period for the transmitters.
I noticed the same thing calling CQ on the transponder. ARISSAT has a
low-power mode (also called a low duty cycle mode) where it shuts off
for 2 minutes and then comes on for 40 seconds, then off again. This
might be the cause.
73! Dave KB5WIA
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