> Modeling it is
> simple enough
I have modeled a lot of antennas for a lot of years, and I have concluded
that varying the yagi height will change the take-off angle much more than
any amount of varying element lengths.
Varying element lengths may return nickles and dimes; varying the height
will return $$$. If you want to control the take-off angle in a useful way,
then stacked yagi arrays where you can control which antenna gets how much
power at what phase angle will give the greatest control of this variable.
Er, I'm pretty sure :)
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