CM W8IO 20 Element 144 MHz Yagi with V-shaped DE CM Scale factor = 0.6488, wavelength = 1.35m CM 17.90 dBi directivity at 222.1 CM 17.77 dBi power gain at 222.1 CM E-Plane: 35.55 dB F/R, SLL = -17.6 dB, BW = 25.0 deg CM H-Plane: 31.09 dB F/R, SLL = -15.7 dB, BW = 26.0 deg CM DL6WU stacking = m (E) and m (H) CM Element diameters = 0.188" and DE = 0.25" CM Boom length = 27.46 feet (8.37m) (6.2 wavelengths) CM DL6WU Delta = +0.31 dB CE Dimensions in meters GW 1 25 0.000 -0.3300 0 0.000 0.3300 0 2.38e-3 GW 2 8 0.1855 -0.0649 0 0.1505 -0.3182 0 3.175e-3 GW 3 8 0.1855 0.0649 0 0.1505 0.3182 0 3.175e-3 GW 4 3 0.1855 -0.0649 0 0.1855 0.0649 0 3.175e-3 GW 5 25 0.273 -0.3122 0 0.273 0.3122 0 2.38e-3 GW 6 25 0.4587 -0.3095 0 0.4587 0.3095 0 2.38e-3 GW 7 25 0.8084 -0.3018 0 0.8084 0.3018 0 2.38e-3 GW 8 25 1.2236 -0.2970 0 1.2236 0.2970 0 2.38e-3 GW 9 24 1.705 -0.2928 0 1.705 0.2928 0 2.38e-3 GW 10 23 2.218 -0.2889 0 2.218 0.2889 0 2.38e-3 GW 11 23 2.750 -0.2850 0 2.750 0.2850 0 2.38e-3 GW 12 23 3.300 -0.2821 0 3.300 0.2821 0 2.38e-3 GW 13 23 3.853 -0.2801 0 3.853 0.2801 0 2.38e-3 GW 14 23 4.393 -0.2798 0 4.393 0.2798 0 2.38e-3 GW 15 23 4.9257 -0.2804 0 4.9257 0.2804 0 2.38e-3 GW 16 22 5.445 -0.2798 0 5.445 0.2798 0 2.38e-3 GW 17 22 5.9495 -0.2765 0 5.9495 0.2765 0 2.38e-3 GW 18 22 6.439 -0.2739 0 6.439 0.2739 0 2.38e-3 GW 19 22 6.910 -0.2726 0 6.910 0.2726 0 2.38e-3 GW 20 22 7.400 -0.2675 0 7.400 0.2675 0 2.38e-3 GW 21 22 7.922 -0.2648 0 7.922 0.2648 0 2.38e-3 GW 22 22 8.370 -0.2590 0 8.370 0.2590 0 2.38e-3 GE 0 LD 5 1 0 0 2.5e7 0 LD 5 2 0 0 2.5e7 0 LD 5 3 0 0 2.5e7 0 LD 5 4 0 0 2.5e7 0 LD 5 5 0 0 2.5e7 0 LD 5 6 0 0 2.5e7 0 LD 5 7 0 0 2.5e7 0 LD 5 8 0 0 2.5e7 0 LD 5 9 0 0 2.5e7 0 LD 5 10 0 0 2.5e7 0 LD 5 11 0 0 2.5e7 0 LD 5 12 0 0 2.5e7 0 LD 5 13 0 0 2.5e7 0 LD 5 14 0 0 2.5e7 0 LD 5 15 0 0 2.5e7 0 LD 5 16 0 0 2.5e7 0 LD 5 17 0 0 2.5e7 0 LD 5 18 0 0 2.5e7 0 LD 5 19 0 0 2.5e7 0 LD 5 20 0 0 2.5e7 0 LD 5 21 0 0 2.5e7 0 LD 5 22 0 0 2.5e7 0 EX 0 4 2 0 1 0 FR 0 1 0 0 144.1 0