CM High Sierra Sidekick 4nec2 Model by Carol F. Milazzo, KP4MD
CM Tuned to 28 MHz with 6 foot whip
CM http://www.qsl.net/kp4md/modeling.htm
CE
SY F=28	'Input Frequency MHz
SY x=0	'Input x coordinate of base (in.)
SY y=0	'Input y coordinate of base (in.)
SY z1=0	'Input height of base above ground (in.)
SY n=13.22445	'Input number of turns 0<n<144
SY tpi=24	'Measured turns per inch
SY len=n/tpi	'Calculate inductor length (in) 0<len<6
SY wh=69.25	'Measured length of stainless steel whip (in)
SY seg=int(wh/8)	'Calculate # of 8 inch segments in whip
SY d=1.79	'Measured coil diameter (in)
SY h2=21.25	'Measured maximum base section length (in.)
SY h1=15.25	'Measured minimum base section length (in.)
SY dh=h2-h1	'Calculate delta h
SY r2=2	'Measured maximum resistance (ohms)
SY r1=0.2	'Measured minimum resistance (ohms)
SY dr=r2-r1	'Calculate delta r
SY R=len*dr/dh+r1	'Calculate DC resistance
SY Lmin=9.645e-8	'Calculated minimum inductance
SY L=Lmin+(d*n)^2/(18*d+40*len)*1e-6	'Calculate inductance (H)
SY Cmax=3.53e-11	'Calculated maximum parasitic capacitance
SY C=Cmax*sqr(len/6)	'Calculated parasitic capacitance
SY z2=z1+h1+len	'Calculate height to top of base section
SY z3=z2+wh	'Calculate height to top of whip
GW	1	2	x	y	z1	x	y	z2	1	'Sidekick aluminum base
GW	2	seg	x	y	z2	x	y	z3
GC	0	0	1	0.2	0.05
GS	0	0	0.0254
GE	1
LD	5	1	1	2	37700000	'Sidekick aluminum base
LD	5	2	1	seg	1390000	'Sidekick stainless steel whip
LD	0	1	2	2	R	L	C	'Loading inductor
GN	1
EK
EX	0	1	1	0	1	0	0	'Power source to Sidekick
FR	0	0	0	0	F	0
EN