Transmitting station for a navigation system comprising a main t

Details Transmitting station for a navigation system comprising a main t Transmitting station for a navigation system comprising a main t

1989-03-21

1990-07-10

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Testing or calibrating of radar system

By monitoring

455115, G01S 740

Patent

active

049409840

ABSTRACT:
A transmitting station for a navigation system with dual transmitters (20A, B) is disclosed in which the dummy load, which commonly trerminates the active-standby transmitter instead of the antenna system, and the associated high-performance changeover switch are omitted. Instead, the two transmitters are operated in constant alternation. This permits better monitoring with less costly and complicated equipment.

REFERENCES:
patent: 3085245 (1963-04-01), Wilson et al.
patent: 4541121 (1985-09-01), Blum
patent: 4757316 (1988-07-01), Brault et al.
"New Family of Tacan and DME Equipment", G. Bertocchi, Electrical Communication-vol. 58, No. 3, 1984, pp. 289-292.
G. Bertocchi: "Eine Neue Familie von Tacan und DME Anlagen"-Elektrisches Nachrichtenwesen, vol. 58, No. 3, 1984.

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