This is the 4NEC2 antenna bend model for: Standard OCF Vertical for 1-Radial
To use this model:
Below. Highlight and copy (Ctrl C) the program control codes (CM,
CE, SY,etc).
Open Windows Wordpad and copy (Ctrl V) the control codes into Wordpad.
Go to "File, Save as..." and name your new antenna model.
In Windows Explorer, right-click on your new model and "Rename" the file to end as ".nec".
Open the new model to optimize for various angles of bend
(Symbols, "Ang=").
4NEC2 is an NEC2, NEC4, Windows based antenna modeler and optimizer by
Arie Voors.
It is available free of charge at: www.qsl.net/4nec2/
CM Standardized OCF vertical for
1-radial studies
CM #14 AWG. Over Real ground, 28.4 mHz. 1/2 WL
feedpoint
CM OFC ratio is adjustable based on Length
CM OFC Feed. Must use Auto-Segment
CM Arm compass longitude is adjustable 360 degrees
CM Arm lattitude is adjustable 360 degrees
CM Dick Reid, KK4OBI, 2016
CM .
CE
SY hgh=5.282 '150/28.4 = 5.2817 = 1/2 wavelength feed
height over ground at 28.4 mHz
SY L=5.228788 'Length of resonant straight wire -
meters
SY R=0.6 'Enter feedpoint ratio (0.5 = center,
0.6=Tall, 0.4=Wide
SY vert=L*R 'Vertical. Ratio length of arm1 - meters
USE AUTO-SEG!
SY rad=L*(1-R) 'Radial. Ratio length of all arms -
meters
SY lat=90 'n-s latitude. Angle of radials.
0=dn, 90=side
SY lon1=0 'e-w longitude arm2. Compass Settings steps
from 0 to 180(2), 120(3), 90(4), 60(6), 45(8)
GW 1 25
0 0 hgh
0 0 hgh+vert
#14 'Arm1 Vertical
GW 2 25
0 0 hgh
rad*cos(lon1)*sin(lat)
rad*sin(lon1)*sin(lat)
hgh-rad*cos(lat) #14 'Arm2 Radial
GE -1
GN 2 0
0 0 14 6.e-3
EK
EX 0 1
1 0 1
0 0
FR 0 0
0 0 28.4 0
EN