CM NEC Input File Horn for 2439 MHz, Pow 20020630 | CM I have no idea how to get SWR from this model | CM All data in wavelengths. Scaled to meters with GS | CM --------------------------[ http://pow.za.net/ ]--' CE SY R = .006 ' Wire radius SY H = 0.65 / 2 ' Waveguide width / 2 SY V = 0.80 / 2 ' Waveguide height / 2 SY L = 1.0 ' Waveguide length SY Ha = 0.20 ' Aperture width (from waveguide) SY Va = 0.35 ' Aperture height (from waveguide) SY La = 0.5 ' Aperture length (from waveguide) SY Lp = 0.3 ' Probe distance from back SY Vp = 0.20 ' Probe length SY H2=H+Ha, V2=V+Va, L2=L+La, V3=V-Vp ' Back SM 10 10 .0 -H -V .0 H -V SC 0 0 .0 H V ' Ceil SM 10 10 .0 -H V .0 H V SC 0 0 L H V ' Floor SM 10 10 .0 H -V .0 -H -V SC 0 0 L -H -V ' Left SM 10 10 .0 -H -V .0 -H V SC 0 0 L -H V ' Right SM 10 10 .0 H V .0 H -V SC 0 0 L H -V ' Aperture ceil SM 10 5 L -H V L H V SC 0 0 L2 H2 V2 ' Aperture floor SM 10 5 L H -V L -H -V SC 0 0 L2 -H2 -V2 ' Aperture left SM 10 5 L -H -V L -H V SC 0 0 L2 -H2 V2 ' Aperture right SM 10 5 L H V L H -V SC 0 0 L2 H2 -V2 ' Probe GW 1 5 Lp .0 -V Lp .0 -V3 R GS 0 0 .123 GE 0 FR 0 1 0 0 2439. 0 EX 0 1 1 0 1. 0 RP 0 73 73 1001 -90. 90. 5. 5. 10000. EN