System for monitoring aircraft position
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United States of America Patent
Stats
-
Nov 16, 1993
Grant Date -
N/A
app pub date -
Jun 15, 1992
filing date -
Jun 15, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for locating and identifying aircraft while on an airport. Each aircraft has an IFF transponder which is interrogated from on board the aircraft to produce replies at a slower rate than normal interrogation rates. A plurality of receiving stations at different locations about the airport measure the time of arrival of the replies and decode the replies. The time of arrival information is forwarded to a central receiving station along with the decode reply data. Using conventional correlation techniques, the location of each aircraft is established through the time of arrival information as well as the identity of the aircraft from the decoded reply data.
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