Magnetic crossed-loop antenna

Details Magnetic crossed-loop antenna Magnetic crossed-loop antenna

1996-10-17

1998-12-15

Le, Hoanganh

Communications: radio wave antennas

Antennas

Loop type

343855, H01Q 2100

Patent

active

058502009

ABSTRACT:
A novel magnetic crossed loop antenna system is provided for use with radio navigation signals, such as provided by two or more Loran-C transmitters, and in which each loop antenna is rapidly switched between the receiving channel and that of the other loop-antenna to enable the selection of one channel with the strongest signals from both transmitters, and through tuning the antenna to the Loran-C frequency and providing rate compensation and feedback to the antenna, optimum signal-to-noise ratio, sufficiently wide bandwidth to ensure time delay stability and attenuated amplifier noise are achieved, enabling greatly improved location and tracking.

REFERENCES:
patent: 2108878 (1938-02-01), Wright
patent: 2280562 (1942-04-01), Weagant
patent: 2291450 (1942-07-01), Case
patent: 2690509 (1954-09-01), Toth

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