For photos and construction details using 4" + 3" irrigation aluminum
tubing for his 80M 4-Square, see Steve Kelly,K7EM full details at
http://www.bctonline.com/users/skelly/4square/4square.html
Steve is using an early model 1989 Comtek ACB-4/80 hybrid phasing
coupler, which is now an ACB-80.
73,
Jim Miller, K4SQR
http://www.comteksystems.com
4-Square Experts, Stack Yagi
& Remote Antenna Switching Systems
List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 96 feet for under $1500!! http://www.anwireless.com
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