Antenna for receiving VLF/LF transmission in seawater

Communications: radio wave antennas – Antennas – Buried underground or submerged under water

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Details

343788, 343872, H01Q 104

Patent

active

039654745

ABSTRACT:
An improved device and technique for improving the reception of very low quency and low frequency transmissions in seawater. A loop antenna, wound on a ferrite core, is encapsulated in a water impermeable housing. Non-conducting elements are attached to the housing and extend outwardly therefrom to serve as barriers to conduction currents in the seawater. By varying the dimensions and number of the non-conducting members, the quality factor of the loop antenna can be increased to provide improved reception of VLF/LF signals.

REFERENCES:
patent: 3495209 (1970-02-01), Engle

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