28_21_14v3.nec

zip contains tool for Antenna Modelling with examples

CM 14/21/28 MHz, feeding  R=200
CE

SY rlen=0.89	'0.72	'0.89
GW 1 8 0.0 0.0 0.0  rlen 0.0 0.0 .006
GW 2 8 0.0 0.0 0.0 0.0  rlen 0.0 .006
GW 3 8 0.0 0.0 0.0 0.0 -rlen 0.0  .006
GW 4 8 0.0 0.0 0.0 -rlen 0.0 0.0  .006

SY l1=4.0	'3.9	'4.15
GW 5 20 0.0 0.0 0.0 0.0 0.0  l1  .03
SY l2=4.8	'4.4	'4.8
GW 6 5 0.0 0.0  l1 0.0 0.0  l2  .02
SY l3=6.18	'5.89	'6.18
GW 7 10 0.0 0.0  l2 0.0 0.0  l3  .015

GE 0
EK
EX 0 5  1  0  1.0 0.0

SY Q=100
SY L28=1.22uH, C28=26.3pF
LD 6 6  1  1 Q L28 C28
SY L24=2.04uH, C24=28pF
LD 6 7  1  1 Q L24 C24

FR 0 1 0 0 14.05 1
'FR 0 1 0 0 21.05 1
'FR 0 1 0 0 28.05 1

EN