On 1/27/2021 2:48 PM, [email protected] wrote:
I have both as well in all my radios. I can clearly hear the difference
when switching between them. I mostly use the 250 Hz filter for CW and
the 500 Hz filter for RTTY.
Sorry, I mis-spoke. I have the 8-pole 250 Hz and 400 Hz filters, but I
set the DSP IF for 500 Hz for RTTY. I'm well aware how similarly they
measure -- W0YK and I did that independently in 2008-9 when we first
installed them.
73, Jim
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