[CQ-Contest] Many US stns out of band

Jim Brown k9yc at audiosystemsgroup.com
Mon Oct 27 14:28:28 EDT 2025


On 10/27/2025 10:03 AM, David Jaffe wrote:
> There were also many stations whose base frequency was in band, but side and was out of band.  One station (a mult) was at 14.34999. No way to reduce your USB TX filter so you are not out of band.   Another mult was at 7125.1 where LSB will put you out if band.
> 
> I think that any US station QSOs with a Cabrillo- quantized frequency less than 7127 or greater than 14348 should be disallowed by the log checking software.  Otherwise those who are following the regulations are effectively penalized.

Of course. This, and other out of band operation has been an issue for 
decades, and I'd be very surprised if log checkers haven't been on this 
case for as long as they've had the horsepower to identify it. There are 
some very smart guys, with long contesting experience, doing that work.

73, Jim K9YC



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