[TowerTalk] Variable phasing networks?

[Rob Frohne]

Hi All,

You guys are giving me such good advice today, that I can't resist
another question.

I'm considering trying to phase a four element quad at 40 feet on one
tower with a four element 20 meter monoband yagi on another tower at 90
feet.  In order to do this, I need a variable delay line.  Is the best
way to do this using a set of coaxial delay lines whose lengths are
related to one another in a binary fashion, or are there other better
ways of doing this? 

73,

Rob, KL7NA
-- 
Rob Frohne, Ph.D., P.E.
E.F. Cross School of Engineering
Walla Walla College
100 SW 4th Street
College Place, WA 99324
(509) 527-2075
http://www.wwc.edu/~frohro/