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  2. Indoor positioning system - Wikipedia

    en.wikipedia.org/wiki/Indoor_positioning_system

    Indoor positioning system. An indoor location tracking map on a mobile phone. An indoor positioning system (IPS) is a network of devices used to locate people or objects where GPS and other satellite technologies lack precision or fail entirely, such as inside multistory buildings, airports, alleys, parking garages, and underground locations.

  3. GPS tracking unit - Wikipedia

    en.wikipedia.org/wiki/GPS_tracking_unit

    A GPS tracking unit, geotracking unit, satellite tracking unit, or simply tracker is a navigation device normally on a vehicle, asset, person or animal that uses satellite navigation to determine its movement and determine its WGS84 UTM geographic position (geotracking) to determine its location. [1] Satellite tracking devices may send special ...

  4. GPS for the visually impaired - Wikipedia

    en.wikipedia.org/wiki/GPS_for_the_visually_impaired

    Ariadne GPS, developed by Luca Giovanni Ciaffoni, was released in June 2011 and was one of the first GPS apps specifically designed for blind and visually impaired users. It is based on Google map data and has the following features: Informing the user about their location on request and in configurable intervals.

  5. Electronic monitoring in the United States - Wikipedia

    en.wikipedia.org/wiki/Electronic_monitoring_in...

    GPS-based tracking system used for some individuals released from prison, jail or immigrant detention. According to a survey distributed by The Pew Charitable Trusts in December 2015, "the number of accused and convicted criminal offenders in the United States who are supervised with ankle monitors and other GPS-system electronic tracking devices rose nearly 140 percent over 10 years ...

  6. Real-time locating system - Wikipedia

    en.wikipedia.org/wiki/Real-time_locating_system

    Real-time locating systems (RTLS), also known as real-time tracking systems, are used to automatically identify and track the location of objects or people in real time, usually within a building or other contained area. Wireless RTLS tags are attached to objects or worn by people, and in most RTLS, fixed reference points receive wireless ...

  7. Garmin - Wikipedia

    en.wikipedia.org/wiki/Garmin

    Its first portable unit, the GPS-95, was introduced in 1993. In 1994, the GPS-155 panel-mounted unit was the first GPS receiver on the market to receive full FAA certification for instrument approaches. In 1998, Garmin introduced the GNS-430, an integrated GPS navigation receiver/communications transceiver. That same year, the company rolled ...