topcap75.nec

zip contains tool for Antenna Modelling with examples

CM 75m Vertical with Top Cap. Feed via balun 1:4
CE
GW 1 8 0.0 0.0 0.0 0.0 0.0  8  .02
GW 11 2 0.0 0.0 8.0 0.0 0.0  9.5547  .005
GW 2 5 0.0 0.0  9.5547  3.5 0.0  6.155  .001
GW 3 5 0.0 0.0  9.5547 -3.5 0.0  6.155  .001
GW 4 5 0.0 0.0  9.5547 0.0  3.5  6.155  .001
GW 5 5 0.0 0.0  9.5547 0.0 -3.5  6.155  .001
GW 6 5 0.0 0.0  9.5547  2.5  2.5  6.155  .001
GW 7 5 0.0 0.0  9.5547  2.5 -2.5  6.155  .001
GW 8 5 0.0 0.0  9.5547 -2.5  2.5  6.155  .001
GW 9 5 0.0 0.0  9.5547 -2.5 -2.5  6.155  .001
GS 0 0 1.0
GE 1
EX 0 1  1  0  1.0 0.0
GN 3 0 0 0 13 .005
FR 0 1 0 0 3.75 1
RP 0  181  1  1000  90 0 -1  1 
EN