betamatch.nec

zip contains tool for Antenna Modelling with examples

CM 3-el Yagi with beta match by L.B. Cebik
CM TL 600 ohm stub / NT + shunt admittance
CE

GW 1 101 -5.292 0 0 5.292 0 0 0.0125
GW 2 50 -4.947 3.024 0 -0.049 3.024 0 0.0125
GW 3 1 -0.049 3.024 0 0.049 3.024 0 0.0125
GW 4 50 0.049 3.024 0 4.947 3.024 0 0.0125
GW 5 101 -4.786 6.049 0 4.786 6.049 0 0.0125

' Use below for match using TL-card
GW 6 1 1.001 1.001 1.001 1 1 1 0.000322

' Use below for match using NT-card
' GW 9800 1 2000 2000 2000 2000.001 2000.001 2000.001 0.000814

GE

' Use below for match using TL-card
TL 3 1 6 1 600 0.262584 0 0 1e10 1e10

' Use below for match using NT-card
'  NT 3 1 9800 1 0.0001066 -0.02131214 0 0 1e10 1e10

LD 5 0 0 0 2.5e7
EX 0 3 1 0 1 0
FR 0 1 0 0 14.175 1
EN