3el20.nec

zip contains tool for Antenna Modelling with examples

CM Rele 20m (30mm/25mm/20mm Pipe)
CM Use stepped-radius conversion !!
CE
GW 1 5 0.0 -.9  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 5 0.0 -2.7  20.0 0.0 -.9  20.0  .0125
GW 4 7 0.0  2.7  20.0 0.0  5.27  20.0  .01
GW 5 7 0.0 -5.27  20.0 0.0 -2.7  20.0  .01
GW 6 5  2.6 -.9  20.0  2.6  .9  20.0  .015
GW 7 5  2.6  .9  20.0  2.6  2.7  20.0  .0125
GW 8 5  2.6 -2.7  20.0  2.6 -.9  20.0  .0125
GW 9 6  2.6  2.7  20.0  2.6  5.0  20.0  .01
GW 10 6  2.6 -5.  20.0  2.6 -2.7  20.0  .01
GW 11 5 -2.6 -.9  20.0 -2.6  .9  20.0  .015
GW 12 5 -2.6  .9  20.0 -2.6  2.7  20.0  .0125
GW 13 5 -2.6 -2.7  20.0 -2.6 -.9  20.0  .0125
GW 14 7 -2.6  2.7  20.0 -2.6  5.45  20.0  .01
GW 15 7 -2.6 -5.45  20.0 -2.6 -2.7  20.0  .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
RP 0  181  1  1000  90 0 -1  1 
EN