CM W8IO 15-element folded dipole-driven Yagi CM 16.81 dBi directivity, 16.68 dBi power gain at 144.1 (NEC4) CM E-plane: 32.33 dB F/R, SLL= -23.2 dB (NEC4) CM H-plane: 27.11 dB F/R, SLL= -20.5 dB (NEC4) CM Boomlength = 9.855m (32.3 ft) CM Element diameter = 6.3mm (0.25"), DE = 9.5mm (0.375") CM dimensions in meters, use NEC4 to simulate CM W8IO CE GW 1 25 0.000 -0.513 0.0 0.000 0.513 0.0 .003175 GW 2 22 0.272 -0.456 0.0 0.272 0.456 0.0 .00476 GW 3 22 0.408 -0.456 0.0 0.408 0.456 0.0 .00476 GW 4 2 0.272 -0.456 0.0 0.408 -0.456 0.0 .003175 GW 5 2 0.272 0.456 0.0 0.408 0.456 0.0 .003175 GW 6 25 0.596 -0.484 0.0 0.596 0.484 0.0 .003175 GW 7 25 1.070 -0.470 0.0 1.070 0.470 0.0 .003175 GW 8 25 1.549 -0.463 0.0 1.549 0.463 0.0 .003175 GW 9 25 2.127 -0.457 0.0 2.127 0.457 0.0 .003175 GW 10 25 2.821 -0.4535 0.0 2.821 0.4535 0.0 .003175 GW 11 25 3.581 -0.448 0.0 3.581 0.448 0.0 .003175 GW 12 25 4.427 -0.442 0.0 4.427 0.442 0.0 .003175 GW 13 25 5.307 -0.4375 0.0 5.307 0.4375 0.0 .003175 GW 14 25 6.200 -0.433 0.0 6.200 0.433 0.0 .003175 GW 15 25 7.135 -0.425 0.0 7.135 0.425 0.0 .003175 GW 16 25 8.025 -0.4185 0.0 8.025 0.4185 0.0 .003175 GW 17 25 8.990 -0.4115 0.0 8.990 0.4115 0.0 .003175 GW 18 25 9.855 -0.4095 0.0 9.855 0.4095 0.0 .003175 GE 0 LD 5 1 0 0 24900000 LD 5 2 0 0 24900000 LD 5 3 0 0 24900000 LD 5 4 0 0 24900000 LD 5 5 0 0 24900000 LD 5 6 0 0 24900000 LD 5 7 0 0 24900000 LD 5 8 0 0 24900000 LD 5 9 0 0 24900000 LD 5 10 0 0 24900000 LD 5 11 0 0 24900000 LD 5 12 0 0 24900000 LD 5 13 0 0 24900000 LD 5 14 0 0 24900000 LD 5 15 0 0 24900000 LD 5 16 0 0 24900000 LD 5 17 0 0 24900000 LD 5 18 0 0 24900000 EX 0 3 11 0 1 0 FR 0 11 0 0 144.0 0.1 EN