Richard Harrison wrote:
The dictionary quantifies the reflection coefficient as:
(Z2 - Z1) / (Z2 + Z1)

Terman says on page 97 of his 1955 opus:
"Reflection coefficient (rho) = (VSWR-1) / (VSWR + 1).

Please note that if Z1 and Z2 are characteristic impedances of
transmission lines at an impedance discontinuity point, these
two equations yield different results.
--
73, Cecil http://www.qsl.net/w5dxp



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