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Mnemonic for VSWR and Return Loss
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A return loss of 14.6 dB represents a VSWR of 1.46:1. It is the one place where the number sequence is the same, so it is a good mnemonic reference for relating VSWR to return loss. That's all.

VSWR to return loss to conversion equation - RF Cafe        Return loss to VSWR to conversion equation - RF Cafe

 

Try it for your self on the VSWR <--> Return Loss Calculator

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