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hfvhfverticalomnidirectional

Groundplane (GP)

Calculate quarter-wave vertical antenna

Source: Rothammel, Vol. 1, Ch. 19.1, p. 351-356
Input Parameters
MHz
°
Results
Radiator Length (λ/4)
5.018m
Each Radial Length
5.018m
Feed Impedance
55Ω
Recommended Radials
4pcs
Wavelength
21.127m
Diagram
50 Ω coax5.02 m5.02 m
Radiation Pattern
-3 dB-10 dB-20 dB0 dB0°90°180°270°Max: 0.0 dBi