Lets not forget that if the strong signal is on one side you can sneak
up on him using pass band tuning and the very sharp skirt of the 1 kHz.
filter combined with the DSP filter with the optimal bandwidth.
Then you can put the strong signal way down while still hearing your
desired weak signal.
Now if there are strong signals within 500 Hz. on both sides and 90 db
attenuation of the DSP set at 200 Hz. bandwidth is not good enough, then
buy the narrower filter.
Aloha,
John KH7t
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