A noise blanker will work best on impulse noise - such as automotive
ignition noise or lightning spikes. It needs a fast pulse rise time to
A noise blanker works by punching a hole in the signal - and if the
holes are too wide or too frequent, you will find what is left of the
signal path to be distorted.
A noise blanker will not work on band noise or other forms of more
constant noise. That is what Noise Reduction is for.
Noise Reduction works on correlation - the algorithm looks for what
might be a real signal and builds a filter around it.
On 10/13/2016 8:11 AM, Gian Luca Cazzola wrote:
I am tha satisfied owner of an Elecraft K3S. I think that for a cw operator (I
work 99percent CW) it is a great rig, can be the absolute best on the ham rigs
It has only a really poor noise blanker.
I live in a town, downtown. I have noise from residential electric lights or
other electrical gears. I see on my P3 panadaptor noise from radar or other
military wide trasmission.
On none of these noises the NB work.
I tried different NB setting, but each, IF NB and DSP NB, none of them reduce
Only NR seem to have a limited little effective result on band noise.
I would like your opinion about NB and NR and know from K3 es K3S owners
living in town how they set them.
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