power formula for vswr?

October 17th 05, 10:41 PM

Gudmundur

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power formula for vswr?

If I know only the power in dbm is there a formula to arrive at
vswr without conversion first to watts or volts?

outbound = +63dbm (2kw)
reflected = +36dbm (4w)

This is a waveguide system with a dummyload connected in
the event the numbers seem improper.

I would like to use the formula when we connect the real antenna.

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