BEGIN Electronics

VSWR, Return Loss & Reflection

Forward and Reflected Power to VSWR Calculator

Turn a directional coupler's forward and reflected power readings into VSWR and return loss.

Result

Enter the inputs above and select Calculate.

Formula: |Γ| = √(P_ref / P_fwd) · VSWR = (1 + |Γ|) / (1 − |Γ|)