[amsat-bb] Unusual HUSKYSAT-1 Beacon Behavior ~ 18:12 UTC

[KI7UNJ Tucker]

Bob,

On the FB they stated

"We're playing with transmit powers today on HuskySat, in ~ 10 min it
should be set back up to full power"

that was little over an hour ago

https://www.facebook.com/UWCubeSat/

On Wed, Feb 19, 2020 at 9:53 AM Bob via AMSAT-BB <amsat-bb at amsat.org> wrote:

> Latest telemetry captures here in FN41 show power output at 16.1 mw, and PA
> Current at 34.5 ma.  Sure hope it has been commanded into a low power state
> (if that is possible).  That -10 dB power drop pretty much puts the signal
> right into the noise floor.  Only copied 3 frames on a 46 degree pass at
> 17:40 UTC.  Two weeks ago it would have been 30+ frames
>
> Not complaining, just observing.
>
> 73, Bob, WB4SON
>
>
>
>
> On Tue, Feb 18, 2020 at 4:54 PM Kevin via AMSAT-BB <amsat-bb at amsat.org>
> wrote:
>
> > Power is back up to 83mw also.
> >
> >
> > On 2/18/2020 11:24, Mark L. Hammond via AMSAT-BB wrote:
> > > HI Bob, sounds like they (UW students) commanded it into SAFE mode.
> > Watch
> > > the telemetry, it'll tell you...TX off, then TX ON to send a few
> frames,
> > > then OFF a couple minutes....repeat.   Sounds like a Fox-family member
> > > indeed!
> > >
> > >
> > > Mark N8MH
> > >
> > > On Tue, Feb 18, 2020 at 1:23 PM Bob via AMSAT-BB <amsat-bb at amsat.org>
> > wrote:
> > >
> > >> Hi,
> > >>
> > >> Oddly enough, the orbit that began around 18:08 UTC (at least for FN41
> > in
> > >> New England) was silent for most of the pass (as in no telemetry).
> > >>
> > >> Around 18:12:40, when the bird was almost at the point of closest
> > approach
> > >> I heard the beacon turn on, send out perhaps a frame or two, then some
> > sync
> > >> tones, then the beacon went away.  I did listen to the inverting
> > repeater
> > >> band to see if I heard anyone using the transponder, and it was quiet.
> > >>
> > >> I am assuming someone is commanding the bird from the ground and doing
> > some
> > >> testing, but it was real odd not to have the beacon on for this pass.
> > What
> > >> frames I've decoded today are already in the data warehouse.
> > >>
> > >> 73, Bob, WB4SON
> > >> _______________________________________________
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> >
> > _______________________________________________
> > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> > to all interested persons worldwide without requiring membership.
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> > expressed
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> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
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*Casey Tucker  KI7UNJ*
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