[Elecraft] K3 NB

[ab2tc]

Don Wilhelm wrote
> The gentleman who was having problems has found the cause.  He swapped 
> the KNB3 from the sub to the mainRX.  In other words, the KNB3 in his 
> mainRX was not functioning properly.
> 
> Yes, the NB does not do too much for power line noise
> <snip>



Hi Don,

That is not my experience at all. I sometimes have moderate power line noise
and I find the DSP blanker, not IF, rather effective. I use settings between
T2-5 to T2-7. The higher setting gives better suppression but distorts audio
for moderately strong signals (S7). For a while I was using some additional
IF blanking but soon decided it had virtually no additional benefits. This
is on SSB with 300-2700Hz passband.

AB2TC - Knut



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