[RFI] Ambient Noise Levels

[Tom Rauch]

> Built the magloop unit shown in the link, and was able to 
> receive on the loop, and transmit on the vertical.  Worked 
> like a charm.  By rotating the loop, I was able to get the 
> noise down to an S-4 (during the wintertime-I don't op on 
> 75 during the summer.)


Which only means a loop has a null that can be positioned to 
single direction noise sources.

It doesn't mean the shield actually does anything.
It doesn't mean the loop is "magnetic".

73 Tom