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KK4OBI Bent Dipoles


This is the 4NEC2 antenna bend model for: Standard OCF Vertical for 6-Radials
To use this model:
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 6-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=4.088674    'Length of resonant straight wire - meters
SY R=0.8024    '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)
SY lon2=60    'e-w longitude arm3. Compass Settings steps from 0 to 180(2), 120(3), 90(4), 60(6), 45(8)
SY lon3=120    'e-w longitude arm3. Compass Settings steps from 0 to 180(2), 120(3), 90(4), 60(6), 45(8)
SY lon4=180    'e-w longitude arm3. Compass Settings steps from 0 to 180(2), 120(3), 90(4), 60(6), 45(8)
SY lon5=240    'e-w longitude arm3. Compass Settings steps from 0 to 180(2), 120(3), 90(4), 60(6), 45(8)
SY lon6=300    'e-w longitude arm3. 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 1
GW    3    25    0    0    hgh    rad*cos(lon2)*sin(lat)    rad*sin(lon2)*sin(lat)    hgh-rad*cos(lat)    #14    'Arm3 Radial 2
GW    3    25    0    0    hgh    rad*cos(lon3)*sin(lat)    rad*sin(lon3)*sin(lat)    hgh-rad*cos(lat)    #14    'Arm4 Radial 3
GW    4    25    0    0    hgh    rad*cos(lon4)*sin(lat)    rad*sin(lon4)*sin(lat)    hgh-rad*cos(lat)    #14    'Arm5 Radial 4
GW    5    25    0    0    hgh    rad*cos(lon5)*sin(lat)    rad*sin(lon5)*sin(lat)    hgh-rad*cos(lat)    #14    'Arm5 Radial 4
GW    6    25    0    0    hgh    rad*cos(lon6)*sin(lat)    rad*sin(lon6)*sin(lat)    hgh-rad*cos(lat)    #14    'Arm5 Radial 4
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



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