[Elecraft] K4HD question

[K9MA]

On 5/29/2019 22:12, Jim Brown wrote:
> BEFORE the days of microprocessors, switch-mode power supplies, and 
> other power control systems that use square waves, nearly all man-made 
> noise was impulse noise. NOW, most of the noise that surrounds us is 
> from those microprocessors, switch-mode supplies, and other power 
> control equipment. That noise is NOT impulse noise, and noise blankers 
> cannot act on it.

Alas, even in my urban neighborhood, I fear the day is coming when all 
this electronics generated noise will drown out the line noise.

-- 
Scott  K9MA

k9ma at sdellington.us