Has anyone ever modeled a 40m ground plane?s pattern on 15m?
This weekend of very poor condx on 15m during CQWW WPX CW has given me extra
time to mull over what I am using on 15m.
Currently I am using a wire ground plane cut for the 40m band, base up about
10?. Antenna is wire, with 2 elevated radials, sloping down somewhat (15º
maybe). Directly fed with coax. SWR is FB on 40 and 15m. Hung off the top
of a Maple tree.
It works really well on 40m, but I am wondering if the pattern is distorted
or very elevated on 15m? (high angle?)
Reason I ask, is I was accidentally listening on my 160m(multiband) dipole
that is only up 10? last night and many station were the same strength ! ! !
There?s more to it than that, but the gist of my msg is I wish to know the
elevation plot of a 15m signal on a 40m ground plane please.
Cheers/TNX,
Mike VE9AA
Mike, Coreen & Corey
Keswick Ridge, NB
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