[antennaware] question on ground system for good ground

Pete Smith n4zr@contesting.com
Sun, 22 Jul 2001 01:51:32 -0400

At 10:44 PM 7/19/01 -0400, Gary Breed wrote:
>By the way, the FCC graphs show this area (30 mi. East of Atlanta) to have a
>conductivity of 2 to 4 mS/m.  Under my station, there is zero to a few feet
>of red clay on top of granite bedrock (I have an exposed 40x100 ft. granite
>ledge just South of the tower).  Localized conductivity is less than 1 mS/m.

Are these FCC graphs web-available somewhere?  I would be intrigued to know
what the local geology (karst - limestone holy and cracked like swiss
cheese, under soil of varying depth) produces in the way of ground

73, Pete N4ZR
No, no ... that's WEST Virginia

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