I have a good book on lightning protection from Polyphaser Corp that I found
valuable for this type of information.  The book covers everything from
theory to practical techniques to protect equipment.  We have used the
information in this publication to protect our telemetry sites at work.

Title:       The Grounds fo Lightning and EMP Protection
Author:   Roger R. Block
                Polyphaser Corp
                1425 Industrial Way
                Gardnerville, Nevada 89410-1237


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