Michael Lewis wrote:
Worked a mobile station in TX, and then casually tuned up the band. I
actually tuned out of 20m by a little bit up to 14359 (14359.03 on the
display to be exact) and BAM! I got an S9 tone. It goes from totally
quiet to S9 as soon as the tuning display hits 14359.03. happens with no
external antenna. It obviously must be an internal birdie, but I don't
I suspect the design policy was that the spurious responses should not
be controlled outside of the amateur bands, and this one may have
dictated things like IF frequencies specifically to avoid its being in band.
ever remember one that seems to be so abrupt - it's like something
The reason for abrupt changes is that the K2 steps the synthesizer ratio
relatively infrequently and interpolates by pulling the reference
oscillator frequency. The sudden onset probably corresponds to a
synthesizer step and corresponding jump of the reference oscillator
frequency to the other extreme.
--
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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