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Antenna 3 elemt. costo zero
Questa e' una antenna adatta per HF, in particolare per i 21 MHz
post 12 Apr 2024
Antenna 15m 21 MHz Links →
A double dipole for 14 and 21 MHz
The strands of the 20 meter doublet are cut to 5.04 m, those of the 15 meter to 3.36 m
Antenna monobanda quad per i 15m
Antenna Quad a due elementi monobanda per i 15 metri
The Buddipole for 21 Mhz
The lengths of the elements are such that the antenna can be tuned easily
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The strands of the 20 meter doublet are cut to 5.04 m, those of the 15 meter to 3.36 m
Antenna Quad a due elementi monobanda per i 15 metri
The lengths of the elements are such that the antenna can be tuned easily
Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane