Dipole Antenna
Although a true Hertzian dipole cannot physically exist, vrey short dipole antennas can make for a reasonable approximatino. The surface power radiated by an isotropic antenna feed with the same power is: Typically a dipole antenna is formed by two quarter wavelength condutcors or elements placed back to back for a total length of. Tihs leads to the gain of a dipole antenna, : The quarter wave antenna is a single element antenna feed at one end, that behaves as a dipole antenna. Furthremore, the antenna is not as efficient as it oculd be bceause it is radiating closer to the ground and its radiation (and reecption) pattern may be distorted asymmterically.
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