Transcription of Portable Magnetic Loop Antennas - FARS
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Portable Magnetic Loop Antennas - FARS
Portable Magnetic Loop Portable Magnetic Loop AntennasAntennasHam RadioHam Radio s Best Kept Secrets Best Kept SecretEric Norris WD6 DBM Eric Norris WD6 DBM , The Last Word on WIKIPEDIA, The Last Word on antenna DesignAntenna Designzz Small loops have a poor Small loops have a poor efficiencyefficiencyand and are mainly used as receiving Antennas at are mainly used as receiving Antennas at low frequencieslow frequencies zzBALONEYBALONEYzzLOOPS Like loops Like Verticals are ShroudedVerticals are ShroudedIn MythIn MythTopicsTopicszzWhy a Small Magnetic Loop?Why a Small Magnetic Loop?zzWhat is a Small Magnetic Loop?
zA magnetic loop behaves electrically as a coil (inductor) with a small but non-negligible radiation resistance due to its finite size. It can be analyzed as coupling directly to the magnetic field (opposite to the principle of a Hertzian dipole which couples directly to the electric field) in the near field, which itself is coupled to an
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