CM Model of WA6SVT Omni-Gain Vertical Collinear for VHF and UHF
CM Mike Collis WA6SVT
CM The original version of this article appeared in the August 1990 issue of "73"
CM Amateur Radio Magazine.
CM http://www.repeater-builder.com/antenna/wa6svt.html
CM
CM 4NEC2 Model by Owen Duffy 20130914
CM
CM The model uses a single GW element for the array, and segment numbers are
CM calculated for connection of transmission line connections and source. The
CM model uses 4NEC2 symbolic substitution.
CE
SY org=0
SY vf=0.66
SY qw=5904/440*0.0254/2 'FS quarter wave per WA6SVT
SY zo=50
SY n=10 'Segments per quarter wave
GW 1 int(n*(3+5*vf)) 0 0 org 0 0 org+(3+5*vf)*qw 0.005
GE 0
GN -1
EK
EX 0 1 int(n*(2+0*vf)) 0 1 0 0
TL 1 int(n*(2+0*vf)) 1 int(n*(2+2*vf)) -zo 2*qw 0 0 0 0
TL 1 int(n*(2+2*vf)) 1 int(n*(2+4*vf)) -zo 2*qw 0 0 0 0
TL 1 int(n*(2+4*vf)) 1 int(n*(2+5*vf)) -zo 1*qw 0 0 1e9
FR 0 0 0 0 440 0
EN