londquad.nec

zip contains tool for Antenna Modelling with examples

CM Long Quad UB5UG
CE
SY wdt=4.183, hgh=7
GW 1 16 0 -wdt  4.2 0  wdt  4.2  .0008
GW 2 6 0 -wdt  hgh 0 -wdt  4.2  .0008
GW 3 8 0 -wdt  hgh 0 -.1  hgh  .0008
GW 4 6 0  wdt  hgh 0  wdt  4.2  .0008
GW 5 8 0  .1  hgh 0  wdt  hgh  .0008
GE 1
EX 0 1  2  0  1.0 0.0
'EX 0 2  6  0  1.0 0.0
LD 5 1 0 0 25000000
LD 5 2 0 0 25000000
LD 5 3 0 0 25000000
LD 5 4 0 0 25000000
LD 5 5 0 0 25000000
GN 2 0 0 0 13  0.005 0.0 0.0
FR 0 1 0 0 14.05 1
EN