[Elecraft] Elecraft Digest, Vol 8, Issue 10

[Mychael Morohovich]

> Think of the antenna and everything connected to the ground terminal of
> the  KAT100 -- including the counterpoise -- as an off-center fed antenna.
> When you removed the counterpoise, you moved the feedpoint.  This changed
> the impedance seen by the KAT100 ... 73, Vic, K2VCO

Thanks Vic, I get it now: the method that I am using is valid only when the
antenna is 1/4 wl or less. Since my EFW is 86 feet, it would only
be useful trying this comparison on topband where a 1/4 wl is roughly 125
ft. It was suggested off list that my best bet overall is to employ the
use of a field strength meter. Perhaps it is time to invest in one!

73,
Mychael