wa2wvl.nec

zip contains tool for Antenna Modelling with examples

CE WA2WVL.ANT, WA2WVL loop/Yagi to Japan

SY APEX = 100
SY R = -40			'  was -64
 			'  driven element
SY L1 = 64.5
SY L2 = 49
SY H3 = 6
SY ANG = 46			'  to compensate for droop
SY ANG2 = 34.03			'  to make 5' length to center of rope
SY W1 = L1 * SIN(ANG)		'  w1 = 46.397'
SY W2 = W1 - L2 * COS(ANG2)	'  w2 = 5'
SY W3 = .1
SY H1 = APEX - L1 * COS(ANG)	'  h1 = 54.392'
SY H2 = H1 - L2 * SIN(ANG2)	'  h2 = 26.970'
			'  reflector
SY LR1 = 65.82045		'  started lr1 = 66.13'
SY LR2 = 52.35			'  started lr2 = 50.35'
SY ANGR = 46			'  started angr = 46
SY ANGR2 = 34
SY WR1 = LR1 * SIN(ANGR)	'  wr1 = 49.144'
SY WR2 = WR1 - LR2 * COS(ANGR2)	'  wr2 = 6.445'
SY HR1 = APEX - LR1 * COS(ANGR)	'  hr1 = 55.750'
SY HR2 = HR1 - LR2 * SIN(ANGR2)	'  hr2 = 29.069'
SY HR3 = 6
			'  directors, assume included angle = 110 degrees
SY D1 = 33.3			'  was 33.3
SY LDIR = 61.49775
SY ANGDIR = 45			'  43.43679 seems optimum
SY YDIR = LDIR * SIN(ANGDIR)
SY ZDIR = APEX - LDIR * COS(ANGDIR)
			'  director 1
SY LDIR1 = 61.33264
SY YDIR1 = LDIR1 * SIN(ANGDIR)
SY ZDIR1 = APEX - LDIR1 * COS(ANGDIR)

SY D2 = 66.6
SY D3 = 99.89999
SY D4 = 133.2
SY D5 = 166.5
SY D6 = 199.8
SY D7 = 233.1
SY D8 = 297.1

GW	1	5	0	0	APEX	0	W1	H1	#12/ft
GW	2	5	0	W1	H1	0	W2	H2	#12/ft
GW	3	3	0	W2	H2	0	0	H3	#12/ft
GW	4	5	0	0	APEX	0	-W1	H1	#12/ft
GW	5	5	0	-W1	H1	0	-W2	H2	#12/ft
GW	6	3	0	-W2	H2	0	0	H3	#12/ft

GW	7	7	R	0	APEX	R	WR1	HR1	#12/ft
GW	8	5	R	WR1	HR1	R	WR2	HR2	#12/ft
GW	9	3	R	WR2	HR2	R	0	HR3	#12/ft
GW	10	7	R	0	APEX	R	-WR1	HR1	#12/ft
GW	11	5	R	-WR1	HR1	R	-WR2	HR2	#12/ft
GW	12	3	R	-WR2	HR2	R	0	HR3	#12/ft

GW	13	5	D1	0	APEX	D1	YDIR1	ZDIR1	#12/ft
GW	14	5	D1	0	APEX	D1	-YDIR1	ZDIR1	#12/ft

GW	15	5	D2	0	APEX	D2	YDIR	ZDIR	#12/ft
GW	16	5	D2	0	APEX	D2	-YDIR	ZDIR	#12/ft

GW	17	5	D3	0	APEX	D3	YDIR	ZDIR	#12/ft
GW	18	5	D3	0	APEX	D3	-YDIR	ZDIR	#12/ft

GW	19	5	D4	0	APEX	D4	YDIR	ZDIR	#12/ft
GW	20	5	D4	0	APEX	D4	-YDIR	ZDIR	#12/ft

GW	21	5	D5	0	APEX	D5	YDIR	ZDIR	#12/ft
GW	22	5	D5	0	APEX	D5	-YDIR	ZDIR	#12/ft

GW	23	5	D6	0	APEX	D6	YDIR	ZDIR	#12/ft
GW	24	5	D6	0	APEX	D6	-YDIR	ZDIR	#12/ft

GW	25	5	D7	0	APEX	D7	YDIR	ZDIR	#12/ft
GW	26	5	D7	0	APEX	D7	-YDIR	ZDIR	#12/ft

GW	27	5	D8	0	APEX	D8	YDIR	ZDIR	#12/ft
GW	28	5	D8	0	APEX	D8	-YDIR	ZDIR	#12/ft


GS	0	0	ft
GE	1
EX	0	3	3	00	1.0	0.0

GN	2	0	0	0	13	.005
FR	0	1	0	0	 3.8
EN

'nec results for wa2wvl.ant
'WA2WVL.ANT
'WA2WVL Opt. 10-ele. 337' boom
'3.800 MHz
'Sommerfeld-Norton 3750.GND
'Diel const 13, cond 5 mS/m
'20