Topband: Salt-Water Qth!

Nick Hall-Patch nhp at ieee.org
Wed Apr 1 23:53:41 EDT 2015


Please see the articles on sea gain (from technical reports of the 
BBC Engineering Department), referenced by Chuck Hutton, which I 
believe addresses this very phenomenon.

73,

Nick


At 17:13 01-04-15, you wrote:

>
>
>As I recall, the vertical signal strength to low angle DX went up
>"dramatically" within 2 or less wavelengths of the edge of the high water
>mark and maybe leveled off as "fantastic" from within 0.5 wavelength.  But
>further and further away past 2 wavelengths, the signal strengths dropped
>away and had very diminishing effects.  I don't recall how far back before
>the benefits were disappointing but that article has the answers you need.
>Just scale it for 160 or 80M vs their 40 - 10M data.




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