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Stacking Yagis by Gordon McDonald VK2ZAB (187k Adobe Acrobat file).
This lecture explains why you would want to stack VHF yagi antennas in preference to building a longer yagi and how to build the phasing and matching harness.
RF Complex Impedance Meter by Gordon McDonald VK2ZAB
Lecture Notes by Gordon VK2ZAB (22k)
Technical
Notes by Guy VK2KU (19k)
Original
article from RF Design (December 1986)
by Carl G Lodstrom (423k)
Photo of Gordon's instrument (24k)
Last updated: 25 September 2002
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