There is a big design difference between a linear loaded M2 and a High-Q
coil loaded OptiBeam with detuning stubs, however I think neither antenna
is resonant on 15m. I do not see any issued with the proposed layout. I
am sure that DF2BO would be very responsive if you asked OptiBeam this
question.
John KK9A
The M2 40M4LLDD is close to resonant on 15 meters. I have one, and the
SWR is about 1.6 across the entire 15 meter band. I have even used it as
a 2nd radio antenna on 15 meters.
I would be very cautious about putting it in close proximity to an
Optibeam 16-3 or any other 15 meter antenna.
73,
Steve, N2IC
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