[amsat-bb] Fox high speed?

Jerry Buxton n0jy at amsat.org
Fri Mar 25 19:38:44 UTC 2016


Ed,

Not sure what your setup is, but be sure your bandwidth is 11-12k for
High Speed.  If you run the FCDP+ direct from FoxTelem then that is
taken care of, if you use SDR# or HDSDR or other software then you may
have it set (or it may default) to a narrower filter in NFM mode.

Jerry Buxton, NØJY

On 3/25/2016 13:53, Ed Krome wrote:
> Hi Alan
> Thanks for the note. I, too, have successfully received high speed telemetry in the past, although it has been a while. Wonder what changed. Maybe Drew can point us in the right direction. 
> 73,
> Ed Krome K9EK
> Sent from my iPhone
>
>> On Mar 25, 2016, at 11:23 AM, Alan <wa4sca at gmail.com> wrote:
>>
>> Hi Ed,
>>
>> That is what HS looks like.  There have been 2-3 other periods of HS telemetry over the past few days.
>> In the ones I saw or heard, my software did not automatically switch, and when manually switched
>> copied nothing.  There are known issues with HS in my station which I am working on, so that is not
>> entirely unexpected.  I was able to copy a few blocks on a much earlier test.  From other comments,
>> you do need a stronger signal than DUV, and depending on your equipment, a higher sampling rate.
>>
>> 73s,
>>
>> Alan
>> WA4SCA
>>
>>
>>
>> <-----Original Message-----
>> <From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Ed K9EK
>> <Sent: Friday, March 25, 2016 9:59 AM
>> <To: AMSAT-BB <amsat-bb at amsat.org>
>> <Subject: [amsat-bb] Fox high speed?
>> <
>> <About mid-pass on the ~9:42AM pass this morning, FOX appeared to switch from the DUV mode to
>> <what I believe was high speed. The screen pattern changed from the usual 2 parallel line pattern
>> (good
>> <eye pattern and decoding) to a multi-parallel-line pattern with brief stops. My tlm program 1.03f was
>> <set on auto. Nothing decoded; no eye pattern. I manually switched to high speed; same results. What
>> <did I do wrong?
>> <
>> <Thanks,
>> <Ed K9EK
>> <EL98
>> <_______________________________________________
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>>
> _______________________________________________
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