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What is a geographic coordinate system?
What is a geographic coordinate system (GCS)?
Who invented the geographic coordinate system?
What is the World Geodetic System (WGS)?
A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude. It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
- Decimal Degrees
Decimal degrees (DD) is a notation for expressing latitude...
- Geodetic Coordinates
Geodetic coordinates P(ɸ,λ,h). Geodetic coordinates are a...
- Decimal Degrees
The geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude. It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
Geocentric coordinate system, a three-dimensional cartesian coordinate system that models the earth as an object, and are most commonly used for modeling the orbits of satellites, including the Global Positioning System and other satellite navigation systems.
A geographical coordinate system is a coordinate system. This means that every place can be specified by three sets of three numbers, called coordinates. A full circle can be divided into 360 degrees (or 360°); this was first done by the Babylonians; Ancient Greeks, like Ptolemy later extended the theory. Today, degrees are divided further.
A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame) is a global datum reference or reference frame for precisely representing the position of locations on Earth or other planetary bodies by means of geodetic coordinates. [1] .
The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM).
Geography (Ptolemy) Geohash. Geomagnetic latitude. German Naval Grid System. Global Area Reference System. Global Navigation Grid Code. Grid (spatial index) Projected coordinate system. Hellenic Geodetic Reference System 1987. Hexadecimal geographic coordinate system. Horizontal position representation. Irish grid reference system.