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How are Lat Long coordinates written?
For example, a location could be found along the latitude line 15°N and the longitude line 30°E. When writing latitude and longitude, write latitude first, followed by a comma, and then longitude. For example, the above lines of latitude and longitude would be written as “15°N, 30°E.”
How do I format a location?
Change of units and format The numerical values for latitude and longitude can occur in a number of different units or formats: sexagesimal degree: degrees, minutes, and seconds : 40° 26′ 46″ N 79° 58′ 56″ W. degrees and decimal minutes: 40° 26.767′ N 79° 58.933′ W. decimal degrees: +40.446 -79.982.
How to tell if data is in an unknown coordinate system?
If the data is in the United States and shows an extent in which the coordinates to the left of the decimal are six, seven, or eight digits, the data is probably in a zone of the State Plane or Universal Transverse Mercator (UTM) coordinate systems, which are projected coordinate systems.
Which is an alternative version of latitude and longitude?
^ Alternative versions of latitude and longitude include geocentric coordinates, which measure with respect to Earth’s center; geodetic coordinates, which model Earth as an ellipsoid; and geographic coordinates, which measure with respect to a plumb line at the location for which coordinates are given.
When do you use latitude and longitude coordinates?
Latitude and longitude coordinates are used to express points within a geographic coordinate system, such as NAD27 or WGS84. Meters or feet are used with projected coordinate systems, such as Alaska Albers Equal Area Conic.
When do you report the datum for lat / long coordinates?
When noting lat/long coordinates or giving lat/long coordinates to someone, you must always report the datum which is used by the coordinates. Without the datum information, the user will have to guess which datum your lat/long coordinates are in, and this often leads to misalignment of features.