[amsat-bb] FoxTelem changed?

[Mark L. Hammond]

Hi Mark,

Glad you're collecting frames!  I haven't really seen a drop lately-at
least I haven't noticed.   There is variability, usually due to changes in
times of the pass (e.g., is the transmitter even on at very odd hours in
the night?), and sometimes they can share a footprint, so you typically get
frames from one but not the other.  So frames can vary.

I have from time to time seen that a restart of Foxtelem is necessary;  I
don't do it daily, but close...not sure if the decoder just needs a restart
from time to time, or what.  It's pretty stable and consistent, for sure.
I just do it more often than necessary so I can keep a watch on daily frame
rates (basically resetting the counter...)

You can watch what others are getting framewise here (thanks to spiffy
coding by Chris AC2CZ!)    A bit of clicking and you get an idea of
daily/weekly/monthly frames captured.

http://www.amsat.org/tlm/leaderboard.php?id=0&db=FOXDB

Hope it clears up for you.  Not sure this was any help, but I tried ;)

73,

Mark L. Hammond [N8MH]
AMSAT Director and Command Station

On Thu, Jun 11, 2020 at 1:27 PM Mark Johns, K0JM via AMSAT-BB <
amsat-bb at amsat.org> wrote:

> For weeks I have been successfully capturing 30-60 telemetry frames per
> pass on AO-91 and AO-92 with FoxTelem v.1.08z5.
>
> But suddenly, over the past week or two, I'm lucky to capture 10-20 frames
> in a pass -- sometimes as few as 1 or 2 frames for a 25 degree elevation
> pass! The eye just doesn't seem to want to lock up, even when the downlink
> signal is very strong.
>
> Nothing has changed in my station. Is something different with the DUV
> signals of the satellites, or with the program, or some screwy Windows
> update, or something else that I'm missing? Anyone else seeing the same?
> --
> Mark D. Johns, KØJM
> AMSAT Ambassador & News Service Editor
> Brooklyn Park, MN USA   EN35hd
> -----------------------------------------------
> "Heaven goes by favor; if it went by merit,
>    you would stay out and your dog would go in."
>     ---Mark Twain
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