[Elecraft] [KX3] Can someone help explain this - AM/LSB/CW Freq

[Greg Troxel]

Gary Hawkins <gary at hawkins-zhu.com> writes:

> Using HDSDR connected to the I/Q output of the KX3 via computer in CW
> mode I observed a pulsing signal peak at 14,081,530Hz.  In LSB mode I
> observe the signal peak 14,082,127Hz.  In AM mode I observe the
> pulsing peak on HDSDR at 14,071,114Hz.  I get the difference between
> the first two measurements (600Hz side-tone), I don't understand the
> results for AM display.

I'm fuzzy on the details, but The KX3 can function either as a zero-IF
receiver or essentially as a more or less 8 kHZ IF, which can trade some
problems for others.

My theory is that in your setup, with AM the IF is moved, and your external
decoded didn't get the memo.

73 de n1dam