4el20hm.nec

zip contains tool for Antenna Modelling with examples

CM 4ele 20m Hairpin-Match (30mm/25mm/20mm Pipe)
CM Use stepped-radius conversion !
CE
GW 1 2 0.0 -.05  20.0 0.0 -.9  20.0  .015
GW 2 5 0.0 -.9  20.0 0.0 -2.7  20.0  .0125
GW 3 6 0.0 -2.7  20.0 0.0 -5.04  20.0  .01
GW 4 5 -2.95 -.9  20.0 -2.95  .9  20.0  .015
GW 5 5 -2.95  .9  20.0 -2.95  2.7  20.0  .0125
GW 6 5 -2.95 -2.7  20.0 -2.95 -.9  20.0  .0125
GW 7 7 -2.95  2.7  20.0 -2.95  5.405  20.0  .01
GW 8 7 -2.95 -5.405  20.0 -2.95 -2.7  20.0  .01
GW 9 5  1.87 -.9  20.0  1.87  .9  20.0  .015
GW 10 5  1.87  .9  20.0  1.87  2.7  20.0  .0125
GW 11 5  1.87 -2.7  20.0  1.87 -.9  20.0  .0125
GW 12 6  1.87  2.7  20.0  1.87  4.895  20.0  .01
GW 13 6  1.87 -4.895  20.0  1.87 -2.7  20.0  .01
GW 14 5  4.94 -.9  20.0  4.94  .9  20.0  .015
GW 15 5  4.94  .9  20.0  4.94  2.7  20.0  .0125
GW 16 5  4.94 -2.7  20.0  4.94 -.9  20.0  .0125
GW 17 6  4.94  2.7  20.0  4.94  4.86  20.0  .01
GW 18 6  4.94 -4.86  20.0  4.94 -2.7  20.0  .01
GW 19 1 0.0 -.05  20.0 0.0  .05  20.0  .005
GW 20 2 0.0  .05  20.0 0.0  .9  20.0  .015
GW 21 5 0.0  .9  20.0 0.0  2.7  20.0  .0125
GW 22 6 0.0  2.7  20.0 0.0  5.04  20.0  .01
GW 23 4 0.0  .05  20.0 -.6  .05  20.0  .005
GW 24 1 -.6  .05  20.0 -.6 -.05  20.0  .005
GW 25 4 -.6 -.05  20.0 0.0 -.05  20.0  .005
GE 0
EX 0 19 1  0  1.0 0.0
FR 0 1 0 0 14.05 1
EN