Tom Childers, N5GE wrote:
In the Army they taught us to turn on the spot signal and tune the spot against
the received signal. When you hear the warbling stop, you are zero beat on the
RX signal.
That's easy if you are trying to tune against a continuous carrier, but
you are normally tuning against a signal that is being 100% amplitude
modulated at about 10 to 30 baud (12 to 36 wpm). It gets quite
difficult to separate the amplitude modulation from the keying from that
from the beating.
--
David Woolley
"The Elecraft list is a forum for the discussion of topics related to
Elecraft products and more general topics related ham radio"
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