You can angle ground rods out of the basement, and in fact improve the
performance. Ground around the basement walls will be more moist than the
ground directly under the floor. What counts is contact area, and low
impedance earth. The ideal low impedance ground can be achieved by running
a 200 foot of 1/10 inch diameter copper around the building where the shack
is located.
That is what the local power company came up for radio site transmitter
buildings atop our rocky soil here.
-Stuart
K5KVH
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