I have been doing some tests with my new single-tower SO2R setup, transmitting
on a TS-930S and listening on a Mark 5.
Results so far are very gratifying. I have noticed, though, that regardless of
band, when I have the TS-930 in transmit, but not key-down, I can hear a slight
increase in the noise floor on the Mark 5. The amount of increase is
subjectively the same, whatever band I'm listening on, and does *not* change
between key up and key down.
I'd characterize this as a nuisance, and probably not an operational problem
under extreme weak-signal conditions, but I'm curious what could be causing it.
Any thoughts?
73, Pete N4ZR
The World HF Contest Station Database
Full details on 3085 contest stations
at http://www.pvrc.org/WCSD/WCSDsearch.htm
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