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  2. Satellite navigation device - Wikipedia

    en.wikipedia.org/wiki/Satellite_navigation_device

    Vehicle navigation on a personal navigation assistant Garmin eTrex10 edition handheld. A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).

  3. Marine navigation - Wikipedia

    en.wikipedia.org/wiki/Marine_navigation

    It is an art because of the skill that the navigator must have to avoid the dangers of navigation, and it is a science because it is based on physical, mathematical, oceanographic, cartographic, astronomical, and other knowledge. Marine navigation can be surface or submarine.

  4. Submarine navigation - Wikipedia

    en.wikipedia.org/wiki/Submarine_navigation

    Celestial navigation using the periscope, or sextant—seldom used anymore due to advancement in technology; Radar navigation; radar signals are easily detected so radar is normally only used in friendly waters entering and exiting ports. With the implementation of a more advanced radar system, many new techniques have been implemented in this ...

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  6. Air navigation - Wikipedia

    en.wikipedia.org/wiki/Air_navigation

    Originally navigators used an astrodome and regular sextant but the more streamlined periscopic sextant was used from the 1940s to the 1990s. From the 1970s airliners used inertial navigation systems , especially on inter-continental routes, until the shooting down of Korean Air Lines Flight 007 in 1983 prompted the US government to make GPS ...

  7. TomTom - Wikipedia

    en.wikipedia.org/wiki/TomTom

    TomTom Navigator 6 replaced the earlier TomTom Mobile 5.2. It can use GPS receivers built into the device or external (e.g., Bluetooth-connected) receivers. Navigator 7 was the latest release of this software, released as a part of the software that came with the June 2008 HTC Touch Diamond.

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