invv80-40.nec

zip contains tool for Antenna Modelling with examples

CM Inverted V 40m, 80m
CE
SY y40=7.740455	' To optimize SWR for 40
SY x80=15.94168	' and for 80
GW	1	1	-.1	-.1	20.0	.1	.1	20.0	.001
GW	2	16	0.0	-y40	13	-.1	-.1	20	.001
GW	3	16	.1	.1	20.0	0.0	y40	13.0	.001
GW	4	20	-x80	0	8	-.1	-.1	20	.001
GW	5	20	.1	.1	20.0	x80	0	8.0	.001
GE 1
EX 0 1  1  0  1.0 0.0
GN 2 0 0 0 13  0.005
FR 0 1 0 0 3.65	' 80 m
'FR 0 1 0 0 7.1	' 40 m
RP 0  181  1  1000  90 0 -1  1 
EN