Topband: Ground efficiency based on signal report

Radios R Toys w0opw@yahoo.com
Wed, 22 Dec 1999 08:52:42 -0800 (PST)


 Tom mentioned that ground efficiency is hard to determine
based on charts.
 My neighbor, N0OQW was on  during SP contest I received
him at 25 db/S9 at a distance of 10 miles on SSB. His power
out approx 2 to 3 watts. 
 Can any inference be made from this as to the ground
and/or antenna efficiency based on the power reaching my
antenna ??
  Pat W0OPW



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