Air navigation and landing aid system

Details Air navigation and landing aid system Air navigation and landing aid system

1974-12-13

1978-07-25

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5LS, 343 5W, 364427, 364451, G01S 956, G01S 960

Patent

active

041033000

ABSTRACT:
An air navigation and landing aid system wherein a pair of transponder beacons are located at known positions adjacent an airport runway. The aircraft carries a weather pulse radar system and an antenna for furnishing information affording a navigation aid during the flight stage. Switching means are inserted between the antenna and the weather radar for switching, during the landing stage, the received pulses relating to each beacon, in response to the interrogation of the weather radar, to a special receiver and a processing circuit which furnishes information affording a landing aid.

REFERENCES:
patent: 3312970 (1967-04-01), Bond
patent: 3775599 (1973-11-01), Gendreu
patent: 3775766 (1973-11-01), Gendreu et al.
patent: 3787841 (1974-01-01), Buehler et al.

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