The January 2009 QST has a table list the IMD numbers with various
filters. Quite informative. There's is no easy way to cut/paste the data
into an email, unfortunately.
73,
Scott, N9AA
On 5/12/14 3:54 PM, Dauer, Edward wrote:
I would be interested in knowing if anyone has done an empirical test and
observed the difference directly. Specifically, since the sub receiver is
identical to the main receiver in every way, if someone has a K3 with, for
example, a 400 Hz filter in the main but only a wider set in the sub, and
then set the DSP bandwidth on both receivers to 200 Hz or so, what
differences they actually noticed. I have no doubt the theory and the
engineering are sound - just curious what the difference sounds like in
the field . . .
Ted, KN1CBR
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