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 MIL-HDBK-419A
If the
is the radius of the hemisphere that is equivalent to the current probe
and r is the equivalent
radius of the electrode under test, it is seen that when x = D -
(2-42)
(2-43)
But the true value of resistance corresponds to
(2-44)
In order for the measurement of
to yield the correct value of resistance to earth; it can be seen that the
error term in Equation 2-41 must be zero, i.e.,
(2-45)
(2-46)
2-39
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