Forward & reflected power
Estimate reflected and delivered power from forward power and VSWR.
Reflected power--
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Forward and Reflected RF Power Calculator
Estimate reflected and delivered RF power from forward power and VSWR.
About this calculator
How to use it
Enter forward transmitter power and measured VSWR to estimate reflected power and power delivered to the load.
Understanding the result
Directional wattmeter accuracy, calibration and feedline position affect readings. Investigate unexpected reflected power before prolonged transmission.
More ham radio calculators
Use this calculator as a practical starting point. Check critical radio, electrical and installation work with suitable test equipment and current licence requirements.