80hsbeam.nec

zip contains tool for Antenna Modelling with examples

CM 80hsbeam.nec, Half-Square Parasitic beam by L.B. Cebik
CM Fixed values replaced by variables for optimization.
CE
'
SY dY = 12.678
sy hgh = 31.0444, rad=.00103
'sy hgh = 22.0444, rad=.00103
sy len = 42.22, sln=21.607
'
GW	1	11	-len/2	0.	hgh-sln	-len/2	0.	hgh	rad
GW	2	22	-len/2	0.	hgh	len/2	0.	hgh	rad
GW	3	11	len/2	0.	hgh	len/2	0.	hgh-sln	rad
GW	4	11	-len/2	-dy	hgh-sln	-len/2	-dy	hgh	rad
GW	5	22	-len/2	-dy	hgh	len/2	-dy	hgh	rad
GW	6	11	len/2	-dy	hgh	len/2	-dy	hgh-sln	rad
GE	1
'
SY Xc=50
LD	4	4	11	11	0.	Xc
'
SY Cu=5.747e7
'LD	5	1	0	0	Cu
'LD	5	2	0	0	Cu
'LD	5	3	0	0	Cu
'LD	5	4	0	0	Cu
'LD	5	5	0	0	Cu
'LD	5	6	0	0	Cu
LD	5	0	0	0	Cu	' To replace all above LD
'
FR	0	1	0	0	3.51	
'
GN	2	0	0	0	13.	.005
'
EX	0	1	11	0	1	0
EX	0	2	1	0	1	0
EN