[TowerTalk] Radials over salt water?

[Dave Hachadorian]

On Mon, 8 Jan 2001 13:22:39 -0800 "Al Williams" <alwilliams@olywa.net>
writes:
> Can Towertalkers explain why antennas over salt water is such an
> improvement?
> 
> It seems to me that if all of the RF directed downward is reflected 
> upward,
> by the salt water, that is only a 3db improvement in the RF being 
> directed
> upward!
> 
> What else is happening?
> 
> k7puc

It's actually +6db. But, with a vertical over poor ground,
the downward directed ray undergoes a phase shift, and comes
up and completely cancels the direct ray at the low angles.
That's a gain of minus infinity. 

Dave Hachadorian, K6LL
Yuma, AZ
K6LL@juno.com

--
FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com