My K3 was originally set up this way, 400 Hz in the main and 2.8 kHz in
the sub.
When working DX pileups with the main on the DX and the sub on the
pileup, I definitely noticed the 'pumping' effect on the sub only. It
was sometimes annoying when the DX was working a weak caller and the
usual loud idiots were continuing to call.
On 5/12/2014 12:54 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
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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