Hi Joe,
I'm familiar with this article, and with the opamp used. That's an
audio-frequency opamp; it only has a few dB gain at 500 kHz; it would have
next to nothing in the higher MW range. The lower in frequency you go, the
more gain it will have, so it would work better in the NDB band. But any
small loop is not very sensitive at LF, especially if used indoors. A much
better LF loop is the "Shielded active loop" on VE7SL's webpage
http://imagenisp.com/jsm/
73,
Steve
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: "IRCA" <[email protected]>; "NRC" <[EMAIL PROTECTED]>
Sent: Monday, November 24, 2008 9:41 AM
Subject: [IRCA] Antenna question
Hello everyone,
During the weekend, I got to hear some of the experimental stations in the
500-515 kHz (600 meter) band. One thing led to another and I soon
encountered a design for a 500 kHz simple loop antenna that had been
posted
on the web (see http://www.500kc.com/WA1ZMS/index.htm ).
Now I am curious if any list member has tried this antenna design (or
something similar). Being so close to the bottom edge of the MW Broadcast
band, I'd imagine it would perform quite well there as well. And the non-
directional beacons between 200 and 430 kHz should also be heard quite
well.
www.500kc.com is requesting reception reports of stations heard. I'll
notify
the group should I receive any QSL cards or letters.
-- 73 de Joe Miller, KJ8O, Troy, MI -- Grid EN82 --
------ WOW! Homepage (http://www.wowway.com) ------
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