NB removes man-made noise, NOT atmospheric noise.
Filters DO NOT remove man made noise. Nor do they remove
atmospheric noise. As I wrote, they give the appearance the noise is
gone, when turned on to narrow the bandwith. That's why you turn up
the volume a bit to compensate.
The filter's job is to reduce bandwith. (there's more but not here)
There is no "risk" to install NB's and it's a positive move. It just
may rid of that line noise you wrote. You will enjoy your radio
more, instead of waiting for that to go away. (smile)
Ron, wb1hga
Jimmy Walker wrote:
I find, as Ron said, the filters do a good job with atmospheric
noise. I don't
have anything else unusual here in the way of noise. Sometimes I get
line noise, but it's so irritating I usually don't try to work through
it. I'll wait it out.
So, should I risk the uninstalling of resistors and cutting of jumpers
on a good radio for the improvement offered by the noise blanker?
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