Re: [amsat-bb] AO-40 Telem. Temps.

[Cliff Buttschardt <cbuttsch@xxxxxxxxxx>]

Thanks all for the reply.  There is a lot of good, practical 
information available from these URL's supplied by WB5PKN:
http://www.amsat-dl.org/p3d/tlmspec.txt
http://ao40.homestead.com

While the temperature question might not have been answered
here, many other questions might be.  Cliff Buttschardt K7RR
"Stacey E. Mills, M.D." wrote:
> 
> At 05:16 PM 2000-12-10 -0800, Clifford Buttschardt wrote:
> >Let me show my lack of knowledge.  I know your very busy Peter but I read
> >88 degrees as the X band transmitter temperature.  Am I reading a direct
> >temperature or not aware of a conversion table?  Cliff K7RR
> >
> >On Sun, 10 Dec 2000, Peter Guelzow wrote:
> >
> > > Hi,
> > >
> > > Temperatures for the X-Band TX are only valid if the X-Band TX is
> > > powered up, because they are measured by the module electronics
> > > itself..
> > >
> > > 73s Peter DB2OS
> 
> ...which is why with P3T the X-band Tx temperature is NOT displayed unless
> the Tx is on.  Otherwise, as Peter says, the value  is meaningless.  You
> can't simply transcribe the values into a decoding program without a little
> more understanding about what they mean, when they are meaningful, and when
> they are nonsensical.   There are multiple other examples in the telemetry
> of values that have no meaning unless their  appropriate control units are
> functional.
> 
> --
>   _______________________________________________________________________
>   Stacey E. Mills, W4SM    WWW:    http://www.cstone.net/~w4sm/ham1.html
>    Charlottesville, VA     PGP key: http://www.cstone.net/~w4sm/key
>   _______________________________________________________________________
> 
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