CM 5/8 wave over 5/8 wave ground plane with radials
CM Data in wavelengths scaled to 50Mhz
CM Jeff Liebermann 08/19/2008
CE
SY W=.00084 'Wire radius (10 mm element diameter)
SY A=0.577364 '5/8 wavelenth
SY Radial=0.25 '1/4 wave radials
SY ln=0.25 '1/4 wave stub length
SY ht=0.05 '1/4 wave stub height
SY mt=0.80 'Mounting Height of antenna (4 meters)
GW 1 15 0 0 mt 0 0 mt+A w 'Lower 5/8 element
GW 2 5 0 0 mt Radial 0 mt w 'gnd radial
GW 3 5 0 0 mt -Radial 0 mt w 'gnd radial
GW 4 5 0 0 mt 0 Radial mt w 'gnd radial
GW 5 5 0 0 mt 0 -Radial mt w 'gnd radial
GW 6 5 0 0 mt+A Ln 0 mt+A w 'Stub
GW 7 3 Ln 0 mt+A Ln 0 mt+A+ht w 'Stub height
GW 8 5 Ln 0 mt+A+ht 0 0 mt+A+ht w 'Stub return
GW 9 15 0 0 mt+A+ht 0 0 mt+A+ht+A w 'Top 5/8 element
GS 0 0 299.8/50.125
GE 1
GN 0 0 0 0 13 0.005
EK
EX 0 1 1 0 1. 0 'Voltage Source
FR 0 9 0 0 50 0.5
RP 0 73 73 1001 -90. 90. 5. 5. 10000.
EN