Jason Buchanan wrote:
Aha - I think I begin to understand now - in the Omni VI Opt.1 radio
the default 2.4K filter "feeds" into the 1.8, 500 and 250hz filters,
Yes, after the heterodyne conversion from 9 MHz to 6.3 MHz, this is true.
but when the NAR button is pressed to enable this filter, the 2.4K
filter is switched out of the pipeline and the NAR filter is used
instead - is this correct?
No this is not correct. The standard 2.4 kHz filter is always in line
for both TX and RX, except in FM mode. The narrow option 9 MHz IF filter
is cascaded WITH the 2.4 kHz filter, NOT instead of it.
DE N6KB
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