170                         :f (GHz)
312.60 0.0 -7.92            :x00  y00 z00 (cm)  : mirror position
2.7 2.7  160.96 160.96  0   :w0xt w0yt [beam waist (cm)] d0xt d0yt [beam waist distance (cm) from launch, d0>0 towards plasma] phiwr [orientation angle (deg), phiwr=0: horiz x-axis]