"Martin Rowley" m wrote
in message

http://www.booty.org.uk/booty.weather/FAQ/3.htm#3.19

" The normal rate of change of dielectric constant with height refracts
the wave so that it follows a curved path of about 1.3 times the radius
of the earth. Therefore, we typically can receive signals which are 1.3
times further than we can see by line of sight."

Run that one past me one more time please, someone.



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