[Elecraft] Anyone use a noise canceller?

Roelof Bakker roelof at ndb.demon.nl
Sat Sep 22 13:30:48 EDT 2007


Hello David etc,

When you use two noise cancellars to get rid of two noise sources, either
noise will be present at the output of one of the two cancellars, so nothing
is gained.

On an other note, as a lot of local noise is common mode noise, the first
thing to do is to establish if this is the case or not. Noise can also be
picked up on the shield of the coaxial feedline.

I am using a battery operated receiver outdoors for this purpose as a lot of
noise is contained inside a building.

Roelof Bakker, pa0rdt
Middelburg, Netherlands
JO11tm 


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