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hfmobileverticalwhipshortenedcompact

Mobile Whip

Shortened mobile whip antenna

Source: Rothammel, Vol. 2, Ch. 28.2, p. 182
Input Parameters
MHz
m
Results
Whip Height
2.00m
Full λ/4 (no shortening)
5.30m
Shortening
62.3%
Loading Coil Reactance
54.2Ω
Loading Coil Inductance
609.57µH
Efficiency (approx)
25.7%
Bandwidth (approx)
5273kHz
Diagram
50 Ω coax2.00 m2.00 m
Radiation Pattern
-3 dB-10 dB-20 dB0 dB90°180°270°Max: 0.0 dBi