The narrowest filter for SSB is the 1.8khz filter. I have the 2.7,
1.8, 1k, and 400 hz, and it has worked well for my needs. The 1.8 has
been the least useful. The 1k and 400 are very handy for CW and RTTY.
I have not tried the 250 hz 8 pole, but it is only a bit narrower
than the 400 hz. You can check out the plots here.
http://www.elecraft.com/K3/K3_8_pole_plots.htm
David Wilburn
K4DGW
www.k4dgw.com
www.k4rc.net
Williamsburg Area Amateur Radio Club (K4RC)
My Current LOTW/DXCC/WAS status
www.k4dgw.com/WAS.DXCC.info.html
Scott McDowell wrote:
I have a k3/100 ordered and am trying to decide on filters. I would
like the 250 hz 8 pole filter for cw. Should I also get the 400 hz
filter for ssb.
Scott N5SM
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