The magnitude of the reflection coefficient is:
1
\(\left| \rho \right| = \frac{{{V_{max}}}}{{{V_{min}}}}\)
2
\(\left| \rho \right| = \frac{{\left( {VSWR - 1} \right)}}{{\left( {VSWR + 1} \right)}}\)
3
\(\left| \rho \right| = \frac{{\left( {VSWR + 1} \right)}}{{\left( {VSWR - 1} \right)}}\)
4
\(\left| \rho \right| = \frac{{\left| {{V_i}} \right|}}{{\left| {{V_r}} \right|}}\)