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[TowerTalk] finding resonant frequency of a shunt-fed tower for 160

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Subject: [TowerTalk] finding resonant frequency of a shunt-fed tower for 160
From: (Bob Alexander)
Date: Mon, 30 Jul 2001 11:55:26 -0500
Find a copy of May, 1975 Ham Radio magazine and check out the article titled
"How to Design Shunt-feed Systems for Grounded Vertical Radiators" by John
W4OQ.  I do not think there has ever been a better "how to" article written
tower matching.
73, Good Luck
Bob, W5AH

-----Original Message-----

This is my ignorant question for today -- with only an antenna analyzer,
how can I determine the resonant frequency of my tower?  I plan to attach a
first-attempt at shunt feed at about the 30-foot level, with 30-inch
spacing from the tower.  Can I tell from the analyzer reading at the bottom
of that shunt wire where the tower is resonant?  Do I need to put the
series capacitance in before attempting the measurement?  Or is it all

Clearly my education was neglected or I'd know the answer, so thanks for
your help and patience.

73, Pete N4ZR

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