[Elecraft] Roofing filters and DSP bandwidth tuning

[Jim Brown]

On 1/27/2021 2:48 PM, john at kk9a.com 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