[amsat-bb] Fox high speed?

Andrew Glasbrenner glasbrenner at mindspring.com
Fri Mar 25 21:00:29 UTC 2016

I run about 15KHz wide. The SNR needs to be 7db or so on the telemetry program before it decodes.

73, Drew KO4MA

Sent from my iPhone

> On Mar 25, 2016, at 4:49 PM, Ed K9EK <e.krome at comcast.net> wrote:
> Hi Jerry 
> I was running HDSDR with 12kHz bandwidth. The BW appeared to cover all of the parallel signal tracks. I will try FCD P+ by itself; I know that worked last time (months ago) I tried it. 
> Thanks! 
> Ed K9EK 
> ----- Original Message -----
> From: "Jerry Buxton" <n0jy at amsat.org> 
> To: "AMSAT-BB" <amsat-bb at amsat.org> 
> Sent: Friday, March 25, 2016 3:38:44 PM 
> Subject: Re: [amsat-bb] Fox high speed? 
> 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 s

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