GPS World from Chronos Technology Limited. Chronos supplies a range of Global Navigation Satellite System (GNSS) products including GPS receivers for avionics and embedded systems; test equipment (GPS simulators); and GNSS infrastructure (GPS antennas, GPS splitters, GPS repeaters) for the distribution of GNSS RF signals in sensitive environments. Chronos has developed a range of bespoke GPS timing products for time synchronisation and frequency synchronisation in power and communication systems. ISO 9001 approved, Chronos is also a world leader in GNSS vulnerability detection and location technology.