Adf bearing and location for use with asr and asde displays

Details Adf bearing and location for use with asr and asde displays Adf bearing and location for use with asr and asde displays

G - Physics

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343/34

G01S 3/14 (2006.01) G01S 3/04 (2006.01) G01S 5/04 (2006.01) G01S 11/04 (2006.01) G01S 13/06 (2006.01)

Patent

CA 1213660

ABSTRACT OF THE DISCLOSURE An aircraft locating system correlating, on a TV format radar display, aircraft position with information transmitted from the aircraft on an RF channel. At least a pair of receive stations are located within several miles of an airport and separated by a base line which is in near proximity to at least one runway at the airport or a theoretical extension of it. Each receive station passively determines a bearing angle to a source of RF on the RF channel and generates a signal representative of the bearing angle. The signals representative of bearing angle are used to generate line count and line delay data to correlate a position determined the bearing angle signals from at least the pair of receive stations with a frame of reference of said TV display. A video mixer responsive to a scan converted radar return signal and the line count and line delay data produces a combined video signal with the ability to highlight a location identified by said line count and line delay data.

436425

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