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  2. Geodetic coordinates - Wikipedia

    en.wikipedia.org/wiki/Geodetic_coordinates

    Geodetic coordinates are a type of curvilinear orthogonal coordinate system used in geodesy based on a reference ellipsoid. They include geodetic latitude (north/south) ϕ, longitude (east/west) λ, and ellipsoidal height h (also known as geodetic height[1]). The triad is also known as Earth ellipsoidal coordinates[2] (not to be confused with ...

  3. Geographic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate_system

    t. e. A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [1] 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.

  4. 35th parallel north - Wikipedia

    en.wikipedia.org/wiki/35th_parallel_north

    35th parallel north. The 35th parallel north is a circle of latitude that is 35 degrees north of the Earth's equatorial plane. It crosses Africa, the Mediterranean Sea, Asia, the Pacific Ocean, North America and the Atlantic Ocean. In the United States, the parallel defines the southern border of Tennessee, and the border between North Carolina ...

  5. History of longitude - Wikipedia

    en.wikipedia.org/wiki/History_of_longitude

    The history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude of any given place on Earth. The measurement of longitude is important to both cartography and navigation. In particular, for safe ocean navigation, knowledge of both latitude and longitude ...

  6. Decimal degrees - Wikipedia

    en.wikipedia.org/wiki/Decimal_degrees

    Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices. Decimal degrees are an alternative to using sexagesimal degrees (degrees, minutes, and ...

  7. Parallel 36°30′ north - Wikipedia

    en.wikipedia.org/wiki/Parallel_36°30′_north

    The parallel 36°30′ north is a circle of latitude that is 36 1⁄2 degrees north of the equator of the Earth. This parallel of latitude is particularly significant in the history of the United States as the line of the Missouri Compromise, which was used to divide the prospective slave and free states west of the Mississippi River, with the ...

  8. 36th parallel north - Wikipedia

    en.wikipedia.org/wiki/36th_parallel_north

    Map all coordinates using OpenStreetMap. The 36th parallel north is a circle of latitude that is 36 degrees north of the Earth's equatorial plane. It crosses Africa, the Mediterranean Sea, Asia, the Pacific Ocean, North America and the Atlantic Ocean. In the ancient Mediterranean world, its role for navigation and geography was similar to that ...

  9. Davis, West Virginia - Wikipedia

    en.wikipedia.org/wiki/Davis,_West_Virginia

    Davis is located at 39°07′52″N 79°27′59″W (39.131110, -79.466318). [9] It is located in the northern portion of Canaan Valley, West Virginia near the Canaan Valley State Resort Park, and is partially surrounded by the Monongahela National Forest, including scenic Blackwater Falls. At an elevation of 3,520 feet, Davis has the highest ...