January 1957 | Technical Report NBS Report 5042
The Insulated Loop Antenna Immersed in a Conducting Medium
Cite This Publication
James R. Wait, “The Insulated Loop Antenna Immersed in a Conducting Medium,” Technical Report NBS Report 5042, U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory, January 1957.
Abstract: A solution is given for fields of a circular loop in a conducting medium. The loop is assumed to have a uniform current and it is enclosed by a spherical insulating cavity. The impedance of the loop is also considered. It is shown that the power radiated from the loop varies approximately as the reciprocal of the radius of the cavity for a specified loop current. Furthermore, if the cavity is electrically small, relative to the external medium, the radiation field is not significantly affected by the presence of the cavity.
Keywords: ionosphere; antenna; impedance
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