[R-390] Updated Loop antenna

[Larry H]

Hi Tom,  Great project.  Noise rejection is always a good thing.  I believe that in order for it to work at its best on a 390, it needs to be very close to balanced to suppress the most noise.  And of course the 390 input must be aligned correctly, too.  But, what I'm wondering is can you accomplish that feeding the power through the coax?

Regards, Larry


----- Original Message -----
From: Tom Frobase <tfrobase at gmail.com>
To: r-390 <R-390 at mailman.qth.net>
Sent: Tuesday, August 23, 2016 7:31 PM
Subject: [R-390] Updated Loop antenna

I have been working on a band magnetic loop antenna project.  My goal is to
build a simple surface mount phantom powered amplified loop.  Power would
be 12 volts provided through the coax.  It will fit inside a small pelican
case which makes it suitable for outside use.  Small enough for a
backpacker but capable enough to be used in the ham shack.  My question for
this group is whether I should provide a differential for R-390's or just a
single ended output?  Please comment ... tom, N3LLL
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