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quasi zenith satellite system (QZSS)

The QZSS system (Quasi ZenithSatelliteSystem) developed in Japan offers services that correspond to the European Location Based Services (LBS). In addition, navigation data for automotive technology

is also transmitted via the QZSS system. The navigation data from the QZSS system is used to determine exact locations and improve traffic safety. The system is intended to improve the availability of the GPS system in road canyons. To this end, the QZSS system operates with three satellites, each of which is located at the zenith over Japan for eight hours and provides voice channels, broadcastmessages

and GPS auxiliary signals in the narrow street canyons. Participants in this service are directly connected to the control center via a mobile radio service in the event of an emergency and can determine their position from the positioning data.

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Englisch: quasi zenith satellite system - QZSS
Updated at: 12.10.2019
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Translations: DE