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2. Personal navigation assistant - Wikipedia

   en.wikipedia.org/wiki/Personal_navigation_assistant

   Bicycle navigation on a personal navigation assistant. According to the analyst firm Berg Insight, there were more than 150 million turn-by-turn navigation systems worldwide in mid-2009, including about 35 million factory installed and aftermarket in-dash navigation systems, over 90 million Personal Navigation Devices (PNDs) and an estimated 28 million navigation-enabled mobile handsets with GPS.

3. 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).

4. Chartplotter - Wikipedia

   en.wikipedia.org/wiki/Chartplotter

   A Raymarine chartplotter. A chartplotter is a device used in marine navigation that integrates GPS data with an electronic navigational chart (ENC).. The chartplotter displays the ENC along with the position, heading and speed of the ship, and may display additional information from radar, automatic information systems (AIS) or other sensors.

5. Navigational instrument - Wikipedia

   en.wikipedia.org/wiki/Navigational_instrument

   Electronic speed and depth finders have totally replaced their older counterparts. Radar has become widespread even in small boats. Some Electronic aids to navigation like LORAN have already become obsolete themselves and have been replaced by GPS .

6. Automatic identification system - Wikipedia

   en.wikipedia.org/wiki/Automatic_identification...

   Dimensions of ship, to nearest meter; Location of positioning system's (e.g., GPS) antenna on board the vessel: in meters aft of bow and meters port or starboard; Type of positioning system: such as GPS, DGPS or LORAN-C. Draught of ship: 0.1–25.5 meters; Destination: max. 20 characters

7. Differential GPS - Wikipedia

   en.wikipedia.org/wiki/Differential_GPS

   The marine DGPS service of 16 ground stations covering the Australian coast was discontinued effective July 1, 2020. [27] Improved multichannel GPS capabilities, and signal sources from multiple providers (GPS, GLONASS, Galileo and BeiDou) was cited as providing better navigational accuracy than could be obtained from GPS + DGPS. An Australian ...