franklin.nec

zip contains tool for Antenna Modelling with examples

CM Franklin Collinear Array, by K6STI
CE
SY D = .125
SY W = 20
GW	1	11	0	0	-59	0	0	-21	D
GW	2	11	0	0	-19	0	0	19	D
GW	3	11	0	0	21	0	0	59	D
GW	4	5	0	0	-21	0	W	-21	D
GW	5	1	0	W	-21	0	W	-19	D
GW	6	5	0	0	-19	0	W	-19	D
GW	7	5	0	0	19	0	W	19	D
GW	8	1	0	W	19	0	W	21	D
GW	9	5	0	0	21	0	W	21	D
GS	0	0	in
GE	0
EX	0	2	6	00	1.0	0.0
'
GN	-1
FR	0	1	0	0	 147
EN
'the short vertical jumpers in the phasing sections, which are at current
'maxima, cause 0.9 dB ripple in the azimuth pattern.