magnetic.nec

zip contains tool for Antenna Modelling with examples

CM MagLoop 20m, Note losses with(out) Wire-LD
CE
GW 1 9 -.5 -.5  20.0 -.5  .5  20.0  .01
GW 2 9 -.5 -.5  20.0  .5 -.5  20.0  .01
GW 3 9  .5 -.5  20.0  .5  .5  20.0  .01
GW 4 9  .5  .5  20.0 -.5  .5  20.0  .01
GE 0
GN 2 0 0 0 13 .005
LD 5 0 0 0 58000000	' Copper
LD 0 3  5  5 0 0 36.84pF
FR 0 1 0 0 14.05 1
EX 0 1  5  0  1.0 0.0
EN