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vhfverticalomnidirectionalgain

Collinear Antenna

Vertical collinear antenna for VHF

Source: Rothammel, Vol. 2, Ch. 25.1.1, p. 102
Input Parameters
MHz
#
Results
Total Antenna Length
2.457m
Section Length (λ/2)
0.983m
Phasing Stub Length (λ/4)
0.491m
Gain
3.0dBd
Feed Impedance
50Ω
Diagram
50 Ω0.98 m(λ/2)2.46 m3 sections
Radiation Pattern
-3 dB-10 dB-20 dB0 dB0°90°180°270°Max: 0.0 dBi