4el20.nec

zip contains tool for Antenna Modelling with examples

CM 4ele 20m (30mm/25mm/20mm Pipe)
CM Use 'stepped radius conversion' !!
CE
GW 1 5 0.0 -.9  11.5 0.0  .9  11.5  .015
GW 2 5 0.0  .9  11.5 0.0  2.7  11.5  .0125
GW 3 5 0.0 -2.7  11.5 0.0 -.9  11.5  .0125
GW 4 6 0.0  2.7  11.5 0.0 5.165  11.5  .01
GW 5 6 0.0 -5.165  11.5 0.0 -2.7  11.5  .01
GW 6 5 -2.95 -.9  11.5 -2.95  .9  11.5  .015
GW 7 5 -2.95  .9  11.5 -2.95  2.7  11.5  .0125
GW 8 5 -2.95 -2.7  11.5 -2.95 -.9  11.5  .0125
GW 9 7 -2.95  2.7  11.5 -2.95  5.405  11.5  .01
GW 10 7 -2.95 -5.405  11.5 -2.95 -2.7  11.5  .01
GW 11 5  1.87 -.9  11.5  1.87  .9  11.5  .015
GW 12 5  1.87  .9  11.5  1.87  2.7  11.5  .0125
GW 13 5  1.87 -2.7  11.5  1.87 -.9  11.5  .0125
GW 14 6  1.87  2.7  11.5  1.87  4.895  11.5  .01
GW 15 6  1.87 -4.895  11.5  1.87 -2.7  11.5  .01
GW 16 5  4.94 -.9  11.5  4.94  .9  11.5  .015
GW 17 5  4.94  .9  11.5  4.94  2.7  11.5  .0125
GW 18 5  4.94 -2.7  11.5  4.94 -.9  11.5  .0125
GW 19 6  4.94  2.7  11.5  4.94  4.86  11.5  .01
GW 20 6  4.94 -4.86  11.5  4.94 -2.7  11.5  .01
GE 1
EX 0 1  3  0  1.0 0.0
GN 2 0 0 0 13  0.005 0.0 0.0
FR 0 1 0 0 14.05 1
EN