Gary, K4FMX wrote:
"Are you saying that my low (less than 1/2 wavelength high) horizontal
antenna will be next to useless if I live on the sea shore?"

No, but at some distance from the water, its benefits fade away. I`ve
read, and I don`t remember where, that the benefit of high conductivity
only extends 1 or 2 blocks back from the water`s edge and then it is
gone.

More money is spent on Viagra and breast implants than on Alzheimer`s
research. With aging baby boomers, we may soon have crowds of salient
people who don`t know why.

Best regards, Richard Harrison, KB5WZI