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Antena KF wielopasmowa typu dipol na pasma 80m, 40m, 20m o długość całkowitej 14,50m. Antena zostałą wykonana z bardzo mocnych i solidnych materiałów. Promiennik wykonany z przewodu wojskowego stalowo - miedzianego 2mm odpornego na UV. Do konstrukcji użyto śrub nierdzewnych.
Dipole są jednymi z najprostszych anten do zbudowania lub skonstruowania i postawienia na pasma HF radia amatorskiego, i na dodatek mogą być bardzo efektywne. Dipole są szeroko stosowane na pasmach takich jak 80 metrów, 40 metrów, 20 metrów, 15 metrów i 10 metrów, gdzie mogą zapewnić doskonałe poziomy wydajności.
5 maj 2023 · The half-wave dipole is primarily a monoband antenna, since it is one-half wavelength long at only one frequency. But because it is such a simple and effective antenna for many HF applications, several different methods have been developed to use a single dipole antenna on 2 or more bands.
The all band doublet antenna is nothing more than a 1/2 wave dipole cut for your lowest operating frequency and fed with twinlead, ladder line, open wire, etc to a tuner that will accept a balanced line connection.
Here is a fairly simple and easy to build multi band horizontal fan type dipole that can be constructed for all band operation from 160 meters up thru 6 meters or even higher. In the drawing above, it is shown for just four bands, 80 thru 10. One separate dipole for each band needed.
The ham radio dipole is called a half-wave antenna because its length corresponds to an electrical half wave at the frequency for which it is intended. This Page Covers. 1. Antenna System. 2. Dipole Formula. 3. Resonant Length. 4. Transmission Line. 5. Dipole Hardware.
18 sie 2023 · Building a Simple HF Dipole Antenna. A wire dipole is one of the easiest antennas to build, and the same methods can be used for most other wire antennas. By choosing the right materials, and not worrying about how other books show to do it, it can be quite easy and quick.
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