[TenTec] NB verses NR

Carl Moreschi n4py3 at earthlink.net
Mon Dec 15 12:15:03 EST 2014

You don't want any crystal or mechanical filtering ahead of noise 
blanker detection.

Carl Moreschi N4PY
58 Hogwood Rd
Louisburg, NC 27549

On 12/15/2014 11:49 AM, Peter Bertini wrote:
> *"I know that in the 1950's Collins did actually use a separate
> blanking detection receiver that ran on 9 mhz with its own antenna. I never
> used one but it must have been good."*
> The KWM-2 blanker ran on 40-MHz.  There was probably too much interference
> in the HF region, and low VHF would give better results due to being able
> to respond to locally generated noise spikes.
> One thing I may have screwed up in my Omni VI is that there is either a SSB
> or CW roofing filter in line with the first filter.
> Pete
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