CM 144 MHz Single Turnstile Antenna at 0.5 lambda NEC model by Carol F. Milazzo, KP4MD
CM Horizontal orientation
CM Frequency = 145.000 MHz
CM 21 segments per dipole
CM Simulated good ground
CM http://www.qsl.net/kp4md/omnihoriz.htm
CE
SY frq=145	'Input frequency MHz
SY len=39.815	'Input dipole length inches
SY dia=0.25	'Input dipole dia. inches
SY rad=0.5*dia	'Calculate dipole radius
SY n=21	'Input segments per dipole (must be odd)
SY nc=0.5*(n+1)	'Calculate feed point segment
SY h=40.87	'Input height inches to 0.5 lambda
SY s=0.25	'Input separation between each dipole in pair inches
GW	1	n	0	-len/2	h	0	len/2	h	rad	'First dipole at 0.5 lambda
GM	1	1	0	0	90	0	0	s	1	'Rotate to form second dipole at right angle
GS	0	0	0.0254
GE	1
LD	5	0	0	0	58000000	'0.25 inch copper tubing
GN	2	0	0	0	4	0.01
EK
EX	0	1	nc	0	0	1	0	'Feed point
EX	0	2	nc	0	-1	0	0	'Feed point
FR	0	0	0	0	frq	0
RP	0	1	361	1000	76.	0.	0.	1.	0.	
EN