Mode S secondary surveillance radar

Details Mode S secondary surveillance radar Mode S secondary surveillance radar

2008-07-28

2010-06-29

Tarcza, Thomas H (Department: 3662)

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

Air traffic control

Secondary surveilance radar

C342S036000, C342S038000

Reexamination Certificate

active

07746268

ABSTRACT:
A transmitter (13) operates in an immediate scan after an initial acquisition or detection of an altered aircraft ID by a changed flight status, to transmit to an aircraft a sequence of interrogation signals requesting an aircraft ID transmission, a verifier (17) operates upon acquisition of a reply signal including an aircraft ID transmitted from a transponder on the aircraft, to store in a memory (17a) a mode S address assigned to the aircraft and the aircraft ID in an associating manner, and upon an occurrence of a storage of aircraft IDs associated with the mode S address in the memory (17a), to determine whether or not the aircraft ID is correct, depending on whether or not the aircraft IDs have a match therein, and a report generator (18) operates upon a determination for the aircraft ID to be correct, to prepare a target report using the aircraft ID.

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