Radar transponders

Details Radar transponders Radar transponders

1980-05-19

1982-12-14

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 65R, G01S 1387

Patent

active

043640494

ABSTRACT:
An interrogator/transponder for identification of co-operating pulse radar-fitted marine vessels comprises a detector responsive to signals in the radar frequency band and a C-band transmitter/receiver connected such that on receiving a C-band interrogating signal together with a radar signal an identity signal produced by a signal generator is transmitted. When used for interrogation an interrogating signal is produced by a second signal generator for transmission with the radar signal and the received identity signal from the interrogated vessel is presented on a radar display adjacent to the return radar signal.

REFERENCES:
patent: 3049705 (1962-08-01), Owen et al.
patent: 3122737 (1964-02-01), Setrin
patent: 3956747 (1976-05-01), Leypold et al.
patent: 4034371 (1977-07-01), Maier

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