At one time I had kicked around doing the same thing but concluded it wasn't
worth the effort. Impressive yes, but if you are going to stack 15 meter
Yagis, it could cause problems with the proximity to the 40 meter ones. I'm
with Frank on that one.
My stack on 40 was similar to Frank's, but my lower one was around 90 feet.
It modeled well and performed as expected.
At both of my locations I had a tribander about 10 feet above the lower 40
and the SWR was never quite right on 15. The first used a KT34 and the second
an A-3. They worked OK but the SWR on 15 was definitely affected, more so
with the A-3 than the KT34.
Bill K4XS
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