SECONDARY RADAR SYSTEM FOR TIME-SHARED TARGET IDENTIFICATION

An aircraft identification (IFF) system involving ground interrogating stations and multiple airborne transponders. At least one interrogating digital code preceded by a synchronizing pulse sets up a sequence whereby replies are transmitted in the order of their reception at each airborne transmitte...

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Bibliographische Detailangaben
Hauptverfasser:	MARTIN GARIN G, JANEX A, DANTON J
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	An aircraft identification (IFF) system involving ground interrogating stations and multiple airborne transponders. At least one interrogating digital code preceded by a synchronizing pulse sets up a sequence whereby replies are transmitted in the order of their reception at each airborne transmitter. Thus, multiple interrogation can be handled with higher response probability than heretofore. Digital logic is provided for selection of predetermined reply codes and their order and time of transmission from each airborne transponder.