[Elecraft] Mag Loop from MFJ
Philip Barackman
barackman at hotmail.com
Mon Jan 18 19:08:35 EST 2021
I had to take my new MFJ mag loop apart, re-align & tighten the capacitor plates, and adjust the end stop switch so that the motor would turn the cap all the way. After that it worked well as an indoor antenna hung behind a large window in high-rise condo. Retuning after changing freq is tiresome, but less of an issue if one is staying on the same freq (FT8, etc) and only needing to retune when changing bands. I received good signal reports and worked all states on FT8, but sold it after moving back to a house and needing a proper outside antenna.
Phil AB7WE
________________________________
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> on behalf of Morgan Bailey <mbaileycrna at gmail.com>
Sent: Monday, January 18, 2021 3:38 PM
To: n1al at sonic.net <n1al at sonic.net>; Elecraft at mailman.qth.net <Elecraft at mailman.qth.net>
Subject: [Elecraft] Mag Loop from MFJ
They are unreliable pieces of junk. The housing does not protect the
capacitors that are in house made and bugs can crawl into the housing and
short them out. Secondly, the plastic housing in Kansas will be destroyed
by the sun. The best thing about the loop is the loop itself. It is built
well. The caps are cheap. Tuning the bastard is not consistent, not fast,
and highly touchy. The only loop worth purchasing is the Ciro Mazzoni loop
from Italy sold by DX engineering. It will take abuse and has an excellent
tuning feature that will follow your radio. Each time you change freq with
the MFJ it is a task to get it to tune again. A friend of mine bought one
and it was soon offered to me for $100. Then he became so frustrated with
it that he wanted me to take it for free if I would dig the post out of the
ground he mounted it on. I Passed knowing that any dipole would blow it
away. Even an end fed random wire will beat it in performance if put up
right. In the end there are many cheaper options that work far better than
the MFJ mag loop.
73,
Morgan NJ8M
BS + MS + $2.98 = COFFEE
Real Life Experience = Priceless, says the man who set his back yard on
fire with a breadboard tuner loading a 160 meter inverted L with 1000
watts. LOL
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