I am using the 1Khz filter.
It is my most used filter for CW, my primary mode of operation on HF.
My whole filter complement is 2.8KHz, 1Khz, 400Hz and 250Hz. So for
all width settings between 1Khz and 400Hz, I use this filter.
Regarding efficacy, I only recently got the 1KHz filter. Before
getting this filter, I would be using the 2.8Khz filter when I set the
width to 500Hz. There was a larger difference in noise level between
400 and 500Hz, more that just the change in bandwidth would indicate.
I attributed this to having a wide roofing filter. Now that is much
less the case. This is purely subjective, with no electrical
measurements. YMMV.
Raj, N2RD
On Aug 10, 2008, at 9:25 AM, Tony - KM0O wrote:
Hello everyone,
I've just been informed by Elecraft that my KRX3 will be ready to
ship in a
couple of weeks, and I need to decide on filters for it.
I'm wondering about the 1000Hz filter. Who out there is using it,
and for
what purposes, and what can you tell me about its performance?
73,
Tony / KM0O
--
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