[amsat-bb] Re: Naive
Mark L. Hammond
marklhammond at gmail.com
Mon Nov 29 16:59:14 PST 2010
Robert, typical 9600 packet sounds like "shhhhhhhh". In some cases, it makes the static background quiet--rather than seeming to make much of a noise.
Your ear won't be able to tell GMSK from FSK...most modems can't tell the difference either :)
I've never heard 9600 that sounded like 1200...
I would fully expect the D700 to work on RAX.
At 12:03 PM 11/29/2010 -1000, Robert Smith wrote:
>Success stories do not always tell the
>whole story. While I have been very
>successful with 1200 baud packet on
>my Kenwood D700 I have done very
>little with the 9600 baud. The new
>Satellite RAX is 9600 GMSK. In
>tracking the bird, the 20 second interval
>packets sound like fuzzy static.
>It seems to me that other 96k signals
>I have heard sounded much like APRS
>at 1200 except significantly speeded
>up. Is GMSK different and will the
>D700 interpret the signal???
>I haven't found a whole lot on this topic
>on the web.
>Mahalo and a great week to all.
>Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
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Mark L. Hammond [N8MH]
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