Thanks for the nice explanation Bill. It is effective but weird. Somone
>
>
>
> Steve Ellington wrote:
>>
>> I just had a CW QSO on a noisy 80m. Here's what I noticed with NR set for
>> F1-3. BW set for 2.5 kHz.
>> QRN very loud! I pushed NR. Band goes almost totally silent. Calling CQ
>> with
>> the bug was like being in TX mode but I was using QSK as always.
>> Wow...Nice
>> and quiet. Then someone answered my CQ. On his very first DIT, the noise
>> level jumped up and stayed up throughout the entire QSO. It was quieter
>> than
>> no NR at all but why should it stay that way???
>>
>
> Remember that NR is an adaptive filter. When you perturb it with a
> coherent
> signal it rebuilds the filter around that signal. F1 is the longest tap
> setting which means it has the greatest stored data stream and will take
> the
> longest to respond when you add new data (i.e. a signal). Once the new
> input to the filter (signal plus noise) is steady state, the filter will
> then stay in that state until the inputs change again (i.e. when the
> signal
> goes away).
>
> 73, Bill
> --
> View this message in context:
>
http://n2.nabble.com/K3-NR-triggering-tp3521099p3524344.html> Sent from the [K3] mailing list archive at Nabble.com.
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