[RFI] Shielded vs unshielded loops.

[Kenneth G. Gordon]

On 28 Mar 2014 at 11:39, David Robbins wrote:

> Not good for long distance, but gives good nulls.

That was the info I was wanting: "good nulls". Thanks.

>From my reading on loops over the years I had "remembered" that a 
shielded loop was necessary for good nulls.

Glad to know my memory is faulty.

A shielded loop would be easy to make out of coax, but there is the interface 
from the balanced loop to the unbalanced input to the receiver to consider.

Ken W7EKB