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hfwiremultiband

Long Wire Antenna

Calculate long wire antenna by number of half-waves

Source: Rothammel, Vol. 1, Ch. 11.1, p. 202-205
Input Parameters
MHz
Results
Wire Length
82.39m
Wavelength
84.51m
Gain over Dipole
3.0dB
Feed Impedance (end-fed)
5000Ω
Diagram
50 Ω41.20 m41.20 m82.39 m
Radiation Pattern
-3 dB-10 dB-20 dB0 dB0°90°180°270°Max: 11.4 dBiF/B: 15.2 dB