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Viewing POI points on a Garmin GPS. A point of interest (POI) is a specific point location that someone may find useful or interesting.An example is a point on the Earth representing the location of the Eiffel Tower, or a point on Mars representing the location of its highest mountain, Olympus Mons.
The Global Positioning System (GPS), originally Navstar GPS, [ 2 ] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [ 3 ] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near ...
GNSS applications. Global Navigation Satellite System (GNSS) receivers, using the GPS, GLONASS, Galileo or BeiDou system, are used in many applications. The first systems were developed in the 20th century, mainly to help military personnel find their way, but location awareness soon found many civilian applications.
However, as digital maps have grown with the expansion of GPS technology in the past decade, live traffic updates, [10] points of interest and service locations have been added to enhance digital maps to be more "user conscious". [11] Traditional "virtual views" are now only part of digital mapping.
A node is a point with a geographic coordinate expressed in the WGS 84 coordinate system. A standalone node represents a point of interest, such as a mountain peak. [18] A way is an ordered list of nodes that represents a polyline or polygon, depending on its metadata and whether it forms a closed ring.
Two geofences defined in a GPS application. A geofence is a virtual perimeter for a real-world geographic area. [1] A geofence can be dynamically generated (as in a radius around a point location) or match a predefined set of boundaries (such as school zones or neighborhood boundaries). The use of a geofence is called geofencing, and one ...
Azimuth. The azimuth is the angle formed between a reference direction (in this example north) and a line from the observer to a point of interest projected on the same plane as the reference direction orthogonal to the zenith. An azimuth (/ ˈæzəməθ / ⓘ; from Arabic: اَلسُّمُوت, romanized: as-sumūt, lit. 'the directions') [1 ...
GPS-aided GEO augmented navigation; GPS Block IIF; GPS Block IIIF; GPS buoy; GPS·C; GPS for the visually impaired; ... Point of interest; Precise Point Positioning;
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