[CQ-Contest] SSB skimmer

[Marijan Miletic, S56A]

W3TX wrote: An SSB skimmer could be devised without speech decoding. Simply
embedding a digital sub audible footprint within the SSB would do the job. 

 

Interesting concept on the first sight but hamradio does not use precise
channel frequencies.  Subaudible signal becomes loud outside of suppressed
carrier zero beat.  SSB bandwidth would be increased.  I guess cost/benefit
ratio is still positive.

 

LP MMM S56A