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A passive transponder does not contain a power source inside the transponder. Instead, the transponder captures electromagnetic energy produced by a nearby exciter and utilizes that energy to emit a unique code. In both systems, an antenna is placed at the start, finish, and in some cases, intermediate time points and is connected to a decoder.
The following list shows specific aeronautical transponder codes (typically called squawk codes), and ranges of codes, that have been used for specific purposes in various countries. Traditionally, each country has allocated transponder codes by their own scheme with little commonality across borders. The list is retained for historic interest.
Many ETC systems use transponders like this one to electronically debit the accounts of registered cars without their stopping. Transponder used in Chile for some expressways ETC Built-in Onboard device in a Nissan Fuga vehicle in Japan Genesis G70 vehicle with South Korea's ETC System Hi-pass Terminal A RFID MTAG used for electronic toll collection on controlled-access highways/motorways ...
TLS uses the existing Mode 3/A/C/S transponder equipment to determine the aircraft's position. It then transmits the correct signal on the same frequencies used for the current ILS system. All the pilot is required to do is wait for clearance from ATC for the TLS approach and then tune an ILS receiver to the appropriate frequency.
A transponder (short for transmitter-responder [1] and sometimes abbreviated to XPDR, [2] XPNDR, [3] TPDR [4] or TP [5]) is an electronic device that produces a response when it receives a radio-frequency interrogation.
A finish line which uses transponder timing and RFID technology through overhead antennas and passive, disposable chips. Innovative Timing Systems (ITS) is a privately held company located in Saint Louis, Missouri which manufactures transponder timing equipment for sports.
ATA 100 contains the reference to the ATA numbering system which is a common referencing standard for commercial aircraft documentation. This commonality permits greater ease of learning and understanding for pilots, aircraft maintenance technicians, and engineers alike.
An equipment code describes the communication (COM), navigation (NAV), approach aids and surveillance transponder equipment on board an aircraft.These alphabetic codes are used on FAA and ICAO flight plan forms to aid flight service station (FSS) personnel in their handling of aircraft.