K3KY, et. al.,
Here is the matching info from W7LR for the 50 foot square receiving
loop he tried in '95.
73 George K8GG
----- Original Message -----
From: <W7lr@aol.com>
To: <gmguerin@voyager.net>
Sent: Tuesday, February 12, 2002 11:22 PM
Subject: Re: Topband: Noise and reception
> I found the notes. I used a square loop, 50 feet on a side. I used the
old
> pre war
> Terman Handbook, p52, to calculate the loop inductance. It turned out to
be
> 110 uh. For 1830 KHz this needed a 60 pf capacitor, which is what I used
(an
> air variable). I used 450 ohm openwire feeders. The transformer was
4turns
> on the antenna side and 20 turns on the 50 ohm coax side, FB-77-1024,
> probably from Amidon. It tuned very nicely. This was in Sept 1995. Lots
of
> rx antennas since!
> 73 Bob W7LR
>
>
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