CM W8IO 13-element 144 MHz Yagi CM 16.32 dBi directivity 16.20 dBi power gain at 144.1 CM E-plane: 27.25 dB F/R, SLL= -20.1 dB CM H-plane: 26.64 dB F/R, SLL= -17.1 dB CM Boomlength = 26.7 ft CM Element diameter = 4.76mm (3/16"), DE = 3/8" CM dimensions in meters CM W8IO CE GW 1 25 0.000 -0.505 0.0 0.000 0.505 0.0 .00238 GW 2 25 0.400 -0.485 0.0 0.400 0.485 0.0 .00476 GW 3 25 0.576 -0.478 0.0 0.576 0.478 0.0 .00238 GW 4 25 0.930 -0.469 0.0 0.930 0.469 0.0 .00238 GW 5 25 1.410 -0.4635 0.0 1.410 0.4635 0.0 .00238 '.464 GW 6 25 1.990 -0.459 0.0 1.990 0.459 0.0 .00238 GW 7 25 2.780 -0.453 0.0 2.780 0.453 0.0 .00238 GW 8 25 3.640 -0.449 0.0 3.640 0.449 0.0 .00238 GW 9 25 4.540 -0.443 0.0 4.540 0.443 0.0 .00238 GW 10 25 5.435 -0.439 0.0 5.435 0.439 0.0 .00238 GW 11 25 6.370 -0.4316 0.0 6.370 0.4316 0.0 .00238 GW 12 25 7.310 -0.425 0.0 7.310 0.425 0.0 .00238 GW 13 25 8.1425 -0.420 0.0 8.1425 0.420 0.0 .00238 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 EK EX 0 2 13 0 1 0 FR 0 5 0 0 144.0 0.2 EN