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  2. Celestial navigation - Wikipedia

    en.wikipedia.org/wiki/Celestial_navigation

    A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...

  3. Israeli Transverse Mercator - Wikipedia

    en.wikipedia.org/wiki/Israeli_Transverse_Mercator

    t. e. Israeli Transverse Mercator ( ITM ), also known as the New Israel Grid ( NIG; Hebrew: רשת ישראל חדשה, רשת ישראל החדשה Reshet Yisra'el Ha-Ḥadasha) is the new geographic coordinate system for Israel. The name is derived from the transverse Mercator projection it uses and the fact that it is optimized for Israel.

  4. Geographic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate_system

    v. 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.

  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. Module:Location map/data/USA Midwest - Wikipedia

    en.wikipedia.org/wiki/Module:Location_map/data/...

    Location map of USA Midwest. / 42.825; -92.25. Module:Location map/data/USA Midwest is a location map definition used to overlay markers and labels on an equirectangular projection map of USA Midwest. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.

  7. Module:Location map/data/USA Louisiana - Wikipedia

    en.wikipedia.org/wiki/Module:Location_map/data/...

    The default map image, without "Image:" or "File:" image1 = USA Louisiana relief location map.svg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 33.2 Latitude at top edge of map, in decimal degrees; bottom = 28.7 Latitude at bottom edge of map, in decimal degrees; left ...

  8. Module:Location map/data/USA Virginia Richmond metropolitan area

    en.wikipedia.org/wiki/Module:Location_map/data/...

    Module:Location map/data/USA Virginia Richmond metropolitan area is a location map definition used to overlay markers and labels on an equirectangular projection map of Richmond metropolitan area. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.

  9. Module:Location map/data/Central America - Wikipedia

    en.wikipedia.org/wiki/Module:Location_map/data/...

    Location map of Central America. / 12.5; -85. Module:Location map/data/Central America is a location map definition used to overlay markers and labels on an equirectangular projection map of Central America. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.