G/T SIMULATIONS OF A 4 BAY ARRAY OF YAGI ANTENNAS ON 2 METERS 144.1 MHz TYPE OF L GAIN E H Ga Tlos Ta G/T ANTENNA (WL) (dBd) (M) (M) (dBd) (K) (K) W1JR 8 MOD 1.80 11.17 3.09 2.76 17.15 3.04 266.57 -4.96 DJ9BV 1.8 1.81 11.38 3.16 2.80 17.31 3.16 267.12 -4.81 BQH8A 1.87 11.63 3.27 2.96 17.64 6.77 262.35 -4.40 M2 9 2.12 12.08 3.34 3.04 18.08 8.77 254.38 -3.83 DJ9BV 2.1 2.14 11.92 3.33 3.04 17.92 4.66 260.72 -4.10 *OZ5HF 9 2.16 11.75 2.70 2.50 17.21 2.95 264.46 -4.87 OZ5HF 9 2.16 11.75 3.25 2.96 17.71 2.99 262.13 -4.33 F9FT 11 2.17 11.71 3.27 2.97 17.70 5.21 262.64 -4.35 *CC 13B2 2.17 11.83 2.90 2.79 17.67 4.40 256.63 -4.28 CC 13B2 2.17 11.83 3.33 3.04 17.83 4.46 263.15 -4.23 *CC 215WB 2.19 11.86 3.05 3.05 17.80 4.34 286.14 -4.62 CC 215WB 2.19 11.86 3.48 3.19 17.87 4.40 287.83 -4.58 Eagle 10 2.38 12.28 3.44 3.15 18.29 6.07 249.46 -3.54 DK7ZB 9 2.39 12.11 3.34 3.05 18.03 3.95 250.19 -3.81 *Flexa 224 2.49 11.90 3.50 3.30 18.01 8.29 264.66 -4.07 Flexa 224 2.48 11.90 3.30 3.31 17.87 8.32 257.77 -4.10 K5GW 10 2.49 12.57 3.45 3.16 18.53 5.72 241.20 -3.15 K1FO 12 2.53 12.49 3.46 3.18 18.44 3.51 245.43 -3.31 BQH12J 2.80 12.82 3.66 3.40 18.85 3.09 252.88 -3.03 *M2 12 2.84 12.79 3.05 3.05 18.59 5.19 237.40 -3.02 M2 12 2.84 12.79 3.48 3.21 18.71 5.15 237.98 -2.91 DK7ZB 10 2.87 13.15 3.78 3.52 19.15 5.99 251.35 -2.71 BQH 13 2.92 13.09 3.69 3.44 19.07 3.92 241.77 -2.62 *BVO-3WL 3.00 13.50 3.90 3.70 19.48 5.35 264.59 -2.60 BVO-3WL 3.00 13.50 4.01 3.77 19.49 5.38 266.39 -2.62 *CD15LQD 3.11 12.87 4.00 3.80 18.96 4.57 261.85 -3.08 CD15LQD 3.11 12.87 3.68 3.42 18.86 4.49 259.53 -3.14 CD15LQD MOD 3.11 13.24 3.83 3.58 19.24 3.73 253.86 -2.66 MBI FT17 3.12 13.34 3.84 3.59 19.31 6.02 246.36 -2.46 *CC3219 3.14 12.66 4.27 3.66 18.64 4.62 349.69 -4.65 CC3219 3.14 12.66 4.05 3.80 18.65 4.65 354.61 -4.70 CC3219 MOD 3.14 13.32 3.91 3.67 19.32 3.74 258.52 -2.66 *F9FT 17 3.15 12.87 3.69 3.50 18.97 6.86 246.63 -2.85 F9FT 17 3.15 12.87 3.62 3.34 18.87 6.82 243.05 -2.84 DJ9BV 3.2 3.22 13.36 3.85 3.58 19.34 3.99 246.42 -2.42 K1FO 14 3.25 13.36 3.78 3.54 19.30 4.26 243.48 -2.42 MBI 3.4 3.41 13.69 3.88 3.63 19.63 7.68 235.12 -1.94 *SM5BSZ 11 3.51 13.86 3.50 3.50 19.71 3.16 232.02 -1.80 SM5BSZ 11 3.51 13.86 3.96 3.72 19.79 3.13 238.58 -1.84 *SM5BSZ 11A 3.52 13.97 4.00 4.00 19.96 3.13 244.17 -1.77 SM5BSZ 11A 3.52 13.97 4.05 3.81 19.91 3.07 244.00 -1.82 17LQD EKM 3.59 13.37 3.83 3.59 19.35 4.57 252.49 -2.53 17LQDE BQH 3.59 13.79 4.04 3.81 19.77 3.95 248.40 -2.04 DJ9BV 3.6 3.61 13.73 4.00 3.77 19.64 4.25 258.21 -2.33 K1FO 15 3.65 13.78 3.94 3.70 19.70 3.33 238.55 -1.93 DK7ZB 12 3.83 14.30 4.34 4.12 20.26 5.66 251.50 -1.60 DJ9BV OPT 3.99 14.22 4.29 4.08 20.18 4.99 248.48 -1.63 DJ9BV 4.0 4.02 14.07 4.15 3.92 19.98 5.67 255.50 -1.95 HG215DX 4.02 14.20 4.25 4.03 20.14 6.44 258.47 -1.84 CC3219 MOD 4.05 14.20 4.34 4.13 20.17 4.28 256.17 -1.77 *CC4218XL 4.15 14.14 4.08 3.85 20.03 7.25 265.93 -2.07 CC4218XL 4.15 14.14 4.45 4.23 20.11 7.17 266.22 -2.00 CC4218 MOD 4.18 14.29 4.24 4.02 20.24 5.25 244.97 -1.51 K1FO 17 4.41 14.44 4.22 4.00 20.35 4.34 234.51 -1.21 DJ9BV 4.4 4.42 14.36 4.28 4.06 20.25 6.19 256.51 -1.70 SHARK 20 4.46 14.39 4.32 4.10 20.26 2.90 264.04 -1.81 I0JXX 16 4.47 14.39 4.17 3.94 20.32 6.09 223.60 -1.03 *CC17B2 4.51 14.53 3.66 3.51 20.22 4.83 233.29 -1.31 CC17B2 4.51 14.53 4.28 4.06 20.47 4.99 234.82 -1.08 DK7ZB 14 4.71 15.07 4.87 4.67 21.07 9.12 249.36 -0.77 *M2 28 XPOL 4.80 15.22 4.31 4.31 21.08 16.95 258.66 -0.90 M2 28 XPOL 4.80 15.22 4.86 4.66 21.19 17.11 257.51 -0.77 HG217DX 4.82 14.81 4.63 4.43 20.78 8.14 256.05 -1.16 DJ9BV 4.8 4.83 14.65 4.40 4.18 20.57 5.85 255.84 -1.37 *M2 5WL 4.85 14.80 4.15 3.84 20.56 8.49 254.92 -1.36 M2 5WL 4.85 14.80 4.56 4.35 20.74 8.70 251.18 -1.11 *SM5BSZ 14A 4.89 15.14 4.00 4.00 20.93 4.33 232.02 -0.58 SM5BSZ 14A 4.89 15.14 4.54 4.33 21.03 4.43 238.02 -0.59 *SM5BSZ 14 4.95 15.29 5.20 5.20 21.37 3.13 246.72 -0.41 SM5BSZ 14 4.95 15.29 4.72 4.51 21.19 3.02 233.77 -0.68 SM2CEW 19 4.98 14.91 4.47 4.26 20.84 9.38 233.77 -0.70 *BVO-5WL 5.02 15.05 4.58 4.40 20.99 5.21 243.42 -0.73 BVO-5WL 5.02 15.05 4.69 4.49 21.01 5.23 242.70 -0.70 K5GW 17 5.06 14.99 4.64 4.44 20.96 6.16 244.55 -0.78 K1FO 19 5.18 15.01 4.47 4.27 20.92 4.04 232.19 -0.59 *M2 18XXX 5.32 15.07 4.27 3.96 20.85 7.90 243.30 -0.87 M2 18XXX 5.32 15.07 4.55 4.35 21.01 7.95 240.56 -0.66 *M2 19XXX 5.73 15.41 4.27 4.04 21.15 8.75 238.80 -0.49 M2 19XXX 5.73 15.41 4.70 4.51 21.36 8.75 235.52 -0.22 AF9Y 22 6.15 15.75 5.04 4.86 21.72 10.04 230.73 +0.23 MBI 6.6 6.6 16.14 5.46 5.29 22.14 13.09 238.73 +0.51 BQH 25 7.29 16.31 5.22 5.04 22.25 9.83 224.18 +0.89 K2GAL 21 7.65 16.80 5.75 5.59 22.75 19.58 245.81 +0.99 M2 8WL 7.71 16.55 5.28 5.10 22.40 9.52 231.46 +0.90 Notes: 1. The Program used to calculate E/H Stacking,G,Ga and G/T was YAGI ANALYSIS 3.54 by Goran Stenberg,SM2IEV. 2. Temperatures used: Tsky=200 degrees;Tearth=1000 degrees 3. All dipoles have been adjusted to give a J of under +/- .5 4. No stacking harness losses or H frame effects are included in the gain figures. 5. All stacking dimensions except those marked with a "*" are calculated from the DL6WU stacking formula.The antennas marked with a "*" have stacking dimensions recommended by the manufacturer or designer. 6. Manufacturer/Designer Legend: AF9Y = AF9Y HG = HYGAIN BVO = Eagle/DJ9BV Flexa = FlexaYagi BQH = VE7BQH K1FO = K1FO CC = Cushcraft K2GAL = K2GAL CC MOD = VE7BQH K5GW = Texas Towers/K5GW CD = CUE DEE M2 = M^2 CD MOD = VE7BQH MBI = F/G8MBI DJ9BV = DJ9BV OZ5HF = Vargarda DJ9BV OPT = DJ9BV SHARK = SHARK (Italian) DK7ZB = DK7ZB SM2CEW = SM2CEW/VE7BQH EKM MOD = SM2EKM W1JR = VE7BQH (Mininec error) F9FT = F9FT LIONEL H. EDWARDS VE7BQH Issue 28, October 26,1997