[Elecraft] K2 + ATU + Loop antenna in the attic

[Ron D'Eau Claire]

That's a sign the dipole is significantly unbalanced or you have common mode
signals getting into the receiver. The balun is supposed to take care of the
common mode suppression, but that often depends upon the impedance it sees,
which varies widely in a "tuned feeder" system. 

A truly balanced line won't pick up RF or radiate significantly.

OTOH, it could be that your dipole itself is simply closer to the house and
noise than the vertical. 

BTW, every foot of coax in a system with high SWR costs you dearly in RF
losses. 

Ron AC7AC 

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On 


...Currently my most often used antenna is a dipole fed with ladder line.
The
ladder line connects to a balun and a short piece of coax to the radio with
built in tuner. This setup tunes well but seems to pick up noise from the
house. I should probably use more coax to get the ladder line a bit away
from the house. 
 
73 - Mike WA8BXN