As I said, I do not have access to the many ancient, learned volumes
about radio transmission and antennas. Or to the many computer
programs.

But I do recall mention of "Effective Height" of vertical antennas
which has NOT been mentioned in the numerous prolonged threads on this
newsgroup about the relationship between receiver input power and
field strength.

What "Effective Height" means may be vague. But some sort of a
definition may be a clue to solving my problem. Don't mention
Marconi, Terman, Kraus, Balani, et al.,
----
Reg, G4FGQ