Roy, I prefer my radiation patterns to be functions of the antenna
itself. After all, that's what it's all about.

To determine the field strength at a distance I prefer not to take any
notice of Eznec's misleading ideas on the state of the ionosphere or
groundwave loss and do my own calculations. Or I can follow up Eznec
by using a program dedicated to either groundwave or ionospheric
propagation.

I agree preferences will differ. But it is important to understand
exactly what radiation patterns do or do not mean.

Please do not take this note as any criticism of Eznec. It is a
valuable (and free) calculating resource. But, as you demonstrate, it
is difficult to describe in a few words exactly what it does.

Please simplify!
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Reg.