[RFI] Powerline noise question

[Jim Brown]

On 12/30/2022 9:58 AM, Hare, Ed, W1RFI wrote:
> The SDR waterfall will not be very helpful with power-line noise, but they are great at identifying switching power supply noises and noises that pulse on and off in a regular pattern.
> 
> Most of the time, though, we are less concerned with "what is it" as we are with "where is it?"

The principle virtues of the waterfall are recognizing whether it's 
impulse noise or electronic noise; multiple electronic sources and their 
active hours so that 1) we know when to chase them and 2) when multiple 
sources are present, help us chase each individually.

73, Jim K9YC