Topband: Slightly OT - amplifier noise

[Richard (Rick) Karlquist]

On 3/14/2020 3:27 PM, Greg - ZL3IX wrote:
> I used one of these systems (homebrew WA1ION) for a  couple of years in 
> the early 2000s. My problem was a speed-controlled water pump (local 
> water authority) very close to my QTH. The pump was in the same 
> direction as most of the wanted DX, so a nulling loop didn't work.
> 

Great explanation.  Now I know what these canceling boxes are good for.
I have a troublesome power pole about 100 ft off the corner of
my property.  I could put a sense antenna up in that corner
and use it with my ANC-4.

73
Rick N6RK