Topband: Fwd: RE: [digitalradio] Info on previous post about SCAMP

Bill Aycock baycock at direcway.com
Tue Dec 28 12:55:36 EST 2004


>Date: Sun, 26 Dec 2004 19:15:38 -0600
>From: Rick Williams <mrfarm at mwt.net>
>Subject: RE: [digitalradio] Info on previous post about SCAMP
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>Mark, N5RFX wrote:
>
> >>>> There are no bandwidths enumerated in part 97.  RDFT is not an FSK
>mode, so
>in Part 97 305(f)(3) only "the symbol rate must not exceed 300 bauds"
>clause applies.
>
>====
>
>Here in the U.S. most all the HF bands have that division between the
>cw/data portion and the phone/image portion. But a surprise to me is that
>when I looked up Part 97 that you indicated above, I realized that there is
>one band we can use cw/dat/phone/image across the entire band!
>
>This means that you could use mixed phone and digital data or image on at
>least one band. I am set up for a modest 160 meter station here and have a
>couple of antennas to play with. Perhaps some of us could try this out in
>the future.
>
>Although I asked to be a participant in the alpha testing of SCAMP but was
>not selected, I do expect to be able to try beta testing some time in the
>next few months. So this could be interesting to see how it would handle the
>noise issues and the generally sub-optimum antennas that are common on 160.
>
>Oh yes, for that matter, I would be interested in trying other modes on 160
>as well or other bands too.
>
>73,
>
>Rick, KV9U
>
>
>
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Bill Aycock - W4BSG
Woodville, Alabama 




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