Radio navigation system

Details Radio navigation system Radio navigation system

1970-12-10

1976-06-29

Farley, Richard A.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343112R, 343105H, 343105LS, G01S 130

Patent

active

039672778

ABSTRACT:
A radio navigation system is disclosed which includes a first pair of fixed transmitting stations, a second pair of fixed transmitting stations and a mobile station. The mobile station includes a receiver having first means for deriving a first signal indicative of the difference in the distances between the mobile station and each of the first pair of fixed stations and second means for deriving a second signal indicative of the difference in the distances between the mobile station and each of the second pair of fixed stations. Summing means are provided for adding the first and second signals to obtain a third signal indicative of a first line of position on which the mobile station is located, and difference means are provided for subtracting one of the first and second signals from the other to obtain a fourth signal indicative of a second line of position on which the mobile station is located.

REFERENCES:
patent: 2148267 (1939-02-01), Honore
patent: 2651032 (1953-09-01), Torcheux et al.
patent: 2724114 (1955-11-01), Kaufman
patent: 2850729 (1958-09-01), Gaudillere
patent: 3016533 (1962-01-01), Frank
patent: 3206751 (1965-09-01), Knight

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