y1217bb.nec

zip contains tool for Antenna Modelling with examples

CM 12-17 meter DE+Dir back-to-back
CM Use same feedpoint for 18.11 and 24.95 MHz
CM Use beta match for 17 meters
CE
GW	1	5	-2.9169	0.93878	0	-1.9812	0.93878	0	4.76e-3
GW	2	5	-1.9812	0.93878	0	-0.762	0.93878	0	6.35e-3
GW	3	2	-0.762	0.93878	0	-0.3048	0.93878	0	7.94e-3
GW	4	3	-0.3048	0.93878	0	0.3048	0.93878	0	9.53e-3
GW	5	2	0.3048	0.93878	0	0.762	0.93878	0	7.94e-3
GW	6	5	0.762	0.93878	0	1.9812	0.93878	0	6.35e-3
GW	7	5	1.9812	0.93878	0	2.91694	0.93878	0	4.76e-3
GW	8	5	-3.0845	0.10058	0	-1.9812	0.10058	0	4.76e-3
GW	9	5	-1.9812	0.10058	0	-0.762	0.10058	0	6.35e-3
GW	10	2	-0.762	0.10058	0	-0.3048	0.10058	0	7.94e-3
GW	11	3	-0.3048	0.10058	0	0.3048	0.10058	0	9.53e-3
GW	12	2	0.3048	0.10058	0	0.762	0.10058	0	7.94e-3
GW	13	5	0.762	0.10058	0	1.9812	0.10058	0	6.35e-3
GW	14	5	1.9812	0.10058	0	3.08458	0.10058	0	4.76e-3
GW	15	6	-3.9624	-1.1535	0	-2.7432	-1.1535	0	6.35e-3
GW	16	6	-2.7432	-1.1535	0	-1.0668	-1.1535	0	7.94e-3
GW	17	3	-1.0668	-1.1535	0	-0.4572	-1.1535	0	9.53e-3
GW	18	5	-0.4572	-1.1535	0	0.4572	-1.1535	0	0.0111
GW	19	3	0.4572	-1.1535	0	1.0668	-1.1535	0	9.53e-3
GW	20	6	1.0668	-1.1535	0	2.7432	-1.1535	0	7.94e-3
GW	21	6	2.7432	-1.1535	0	3.9624	-1.1535	0	6.35e-3
GW	22	6	-4.2214	0	0	-2.7432	0	0	6.35e-3
GW	23	6	-2.7432	0	0	-1.0668	0	0	7.94e-3
GW	24	3	-1.0668	0	0	-0.4572	0	0	9.53e-3
GW	25	5	-0.4572	0	0	0.4572	0	0	0.0111
GW	26	3	0.4572	0	0	1.0668	0	0	9.53e-3
GW	27	6	1.0668	0	0	2.7432	0	0	7.94e-3
GW	28	6	2.7432	0	0	4.22148	0	0	6.35e-3
GE	0
LD	5	0	0	0	25000000
EX	0	25	3	0	1	0
GN	-1
FR	0	1	0	0	18.11
'FR	0	1	0	0	24.95	
EN