tr-line.nec

zip contains tool for Antenna Modelling with examples

CM Inverted V for 80 Mtr with transmission line
CE 
SY hgh=20				' Height
SY len=20				' Wire length
SY ang=110 				' Angle between wires
SY Z=len*cos(ang/2), X=len*sin(ang/2)	' Get Z and X distances
'
SY tlen = 20				' transmission line length
'
GW	1	20	-X	0	hgh-Z	-0.1	0	hgh	#12 ' Left wire
GW	2	1	-0.1	0	hgh	0.1	0	hgh	#12 ' Right wire
GW	3	20	0.1	0	hgh	X	0	hgh-z	#12 ' TL connection
GW	4	1	-0.1	0	1	0.1	0	1	#12 ' Volt-source
GE
'
TL	2	1	4	1	460	tlen	' 460 ohm trans-line
'
GN	2	0	0	0	14	.006	' Sommerfeld ground
EX	0	4	1	0	1	0	' Default voltage source
FR	0	1	0	0	3.680		' Design frequency
EN							' End of file