Yes, there can be significant noise level differences between directions as
close as 45 degrees apart... I see that with my Beverages which are all fed
with coax... A Beverage that points towards an urban area within 20 or 30
miles will be noisier than one that points off to open country... Also, I had
a bad transformer on a powerpole a mile away that was a noise source for my
Beverage to NE, but the noise was not audible on the East Beverage...
Now having said that, the only way to know for sure if your open wire is
coupling to a noise source is to replace it with coax and see if it changes...
denny / k8do
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