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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.
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.
The transponder emits a signal when it is interrogated by the secondary radar. In a transponder based system signals drop off as the inverse square of the distance to the target, instead of the fourth power in primary radars. As a result, effective range is greatly increased for a given power level.
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.
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.
The transponders digitally convey their identification information and other relevant bits of information wirelessly via an onboard antenna, allowing the locomotives to know precisely when they have reached a particular waypoint. This location information is utilized by the on-board systems when consulting its database of speed restrictions and ...
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 ...
USBL (ultra-short baseline, also known as SSBL for super short base line) is a method of underwater acoustic positioning.A USBL system consists of a transceiver, which is mounted on a pole under a ship, and a transponder or responder on the seafloor, on a towfish, or on an ROV.