y2015.nec

zip contains tool for Antenna Modelling with examples

CM 20-15m 3-el interlaced Yagis
CM When changing to 21.15 MHz, change to
CM 15 meter driven element
CE
GW	1	21	-5.2832	0	0	5.2832	0	0	7.94e-3
sy len14=5.067	'5.0038
GW	2	21	-len14	3.2258	0	len14	3.2258	0	7.94e-3
GW	3	21	-4.7752	6.985	0	4.7752	6.985	0	7.94e-3
GW	4	15	-3.5052	3.4798	0	3.5052	3.4798	0	6.35e-3
sy len21=3.3635	'3.3147
GW	5	15	-len21	5.969	0	len21	5.969	0	6.35e-3
GW	6	15	-3.1877	8.4836	0	3.1877	8.4836	0	6.35e-3
GE	0
GN	-1

FR	0	1	0	0	14.15	0	' 20 mtr
EX	0	2	11	0	1	0

'FR	0	1	0	0	21.15	0	'15 mtr
'EX	0	5	8	0	1	0

EN