-19.5 G=23.3388(23.3444)dB E= 98.625% Z= 36.245 -7.487 -19.0 G=23.3631(23.3686)dB E= 98.589% Z= 37.286 -6.731 -18.5 G=23.3864(23.3919)dB E= 98.552% Z= 38.477 -6.010 -18.0 G=23.4086(23.4140)dB E= 98.511% Z= 39.837 -5.343 -17.5 G=23.4296(23.4351)dB E= 98.467% Z= 41.389 -4.755 -17.0 G=23.4495(23.4548)dB E= 98.419% Z= 43.155 -4.281 -16.5 G=23.4679(23.4732)dB E= 98.367% Z= 45.161 -3.966 -16.0 G=23.4849(23.4902)dB E= 98.311% Z= 47.429 -3.871 -15.5 G=23.5003(23.5056)dB E= 98.249% Z= 49.975 -4.076 -15.0 G=23.5141(23.5192)dB E= 98.180% Z= 52.802 -4.686 -14.5 G=23.5260(23.5311)dB E= 98.104% Z= 55.887 -5.835 -14.0 G=23.5360(23.5411)dB E= 98.021% Z= 59.164 -7.682 -13.5 G=23.5439(23.5489)dB E= 97.927% Z= 62.498 -10.409 -13.0 G=23.5497(23.5546)dB E= 97.823% Z= 65.655 -14.188 -12.5 G=23.5530(23.5579)dB E= 97.707% Z= 68.279 -19.135 -12.0 G=23.5539(23.5588)dB E= 97.577% Z= 69.901 -25.225 -11.5 G=23.5522(23.5570)dB E= 97.430% Z= 70.000 -32.196 -11.0 G=23.5477(23.5524)dB E= 97.265% Z= 68.159 -39.506 -10.5 G=23.5402(23.5448)dB E= 97.080% Z= 64.242 -46.390 -10.0 G=23.5296(23.5342)dB E= 96.870% Z= 58.517 -52.067 SM5BSZ 14 element design in use since 1993 calculated by modified NEC2. The geometry below is the theoretical as obtained from the piecewise linear current approximation. Each row above is a calculation by modified NEC2 in which all elements are corrected by the first number of each line. According to NEC2 the real performance of my system should be G=23.50dBi=21.36dBd at 144.1MHz. GW 1 11 .000 -506.2 23.0 .000 506.2 .0 5.000 GW 2 11 .000 -487.4 482.6 .000 487.4 484.4 5.000 GW 3 11 .000 -480.2 739.5 .000 480.2 741.9 5.000 GW 4 11 .000 -464.9 1283.4 .000 464.9 1285.9 5.000 GW 5 11 .000 -453.4 2038.4 .000 453.4 2037.0 5.000 GW 6 11 .000 -445.5 2902.2 .000 445.5 2903.3 5.000 GW 7 11 .000 -440.6 3774.7 .000 440.6 3778.6 5.000 GW 8 11 .000 -434.6 4700.7 .000 434.6 4702.0 5.000 GW 9 11 .000 -428.5 5676.0 .000 428.5 5680.2 5.000 GW 10 11 .000 -425.9 6664.5 .000 425.9 6664.8 5.000 GW 11 11 .000 -428.2 7625.0 .000 428.2 7624.0 5.000 GW 12 11 .000 -433.4 8468.7 .000 433.4 8469.8 5.000 GW 13 11 .000 -424.3 9479.1 .000 424.3 9483.9 5.000 GW 14 11 .000 -441.6 10316.3 .000 441.6 10314.6 5.000 GM 0 0 .000 .000 .000 2600.000 2600.000 .000 .000 GS 0 0 .001 .000 .000 .000 .000 .000 .000 GX100 110 .000 .000 .000 .000 .000 .000 .000 GE 0 0 .000 .000 .000 .000 .000 .000 .000 FR 0 1 0 0 .1441E+03 .0000 .0000 .0000 .0000 .0000 EK 0 0 0 0 .0000E+00 .0000 .0000 .0000 .0000 .0000 LD 5 1 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 2 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 3 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 4 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 5 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 6 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 7 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 8 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 9 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 10 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 11 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 12 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 13 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 14 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 101 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 102 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 103 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 104 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 105 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 106 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 107 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 108 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 109 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 110 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 111 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 112 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 113 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 114 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 201 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 202 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 203 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 204 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 205 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 206 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 207 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 208 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 209 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 210 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 211 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 212 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 213 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 214 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 301 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 302 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 303 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 304 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 305 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 306 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 307 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 308 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 309 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 310 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 311 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 312 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 313 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 LD 5 314 0 0 .2701E+08 .0000 .0000 .0000 .0000 .0000 KH 0 0 0 0 .1500E+01 .0000 .0000 .0000 .0000 .0000 EX 0 2 6 0 .1000E+01 .0000 .0000 .0000 .0000 .0000 EX 0 102 6 0 -.1000E+01 .0000 .0000 .0000 .0000 .0000 EX 0 202 6 0 .1000E+01 .0000 .0000 .0000 .0000 .0000 EX 0 302 6 0 -.1000E+01 .0000 .0000 .0000 .0000 .0000 RP 0 10 180 0 .9000E+02 .0000 .0200 .0100 .0000 .0000 EN