"Richard Harrison" wrote
On page 99 of Terman`s 1955 edition of "Electronic and Radio
Engineering" (my textbook was an earlier edition) is found the
formula
to convert the reflection coefficient into SWR or vice versa. These
two
parameters are innexorably locked together by formulas (4-22a) and
(4-22b).

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Richard, I'm afraid your worship of Terman has let you down.

The two parameters are NOT inexorably locked together.

SWR can be calculated from the Reflection Coefficient. But half of
the information is then lost and gone for ever.

And so, NOT vice-versa!
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Reg.