I wrote:
> ...he advantage of this is when you use DUAL PB. That function sets
> the narrow passband to 150 Hz and the wider passband to 600 Hz.
KK7P wrote:
>The wider passband is 600 Hz at its narrowest setting, YOU can make it
much wider just by rotating the WIDTH control once you are in DUAL PB mode.
True. But as soon as you widen to 650 Hz, the next
higher roofing filter kicks in and (in my somewhat limited
experience of 8 days) there is a *HUGE* difference in desense
susceptibility between the 500 Hz and higher BW filters. Living
in the land of GIANT signals where I do on 160, DUAL PB would
be virtually unusable without the 500 Hz filter.
73, Bill W4ZV
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