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Northwest India is a loosely defined region of India. In modern-day, it consists of north-western states of the Republic of India . In historical contexts, it refers to the northwestern Indian subcontinent .
The Bessel ellipsoid was derived in 1841 by Friedrich Wilhelm Bessel, based on several arc measurements and other data of continental geodetic networks of Europe, Russia and the British Survey of India. It is based on 10 meridian arcs and 38 precise measurements of the astronomic latitude and longitude (see also astro geodesy).
The cartography of India begins with early charts for navigation [1] and constructional plans for buildings. [2] Indian traditions influenced Tibetan [ 3 ] and Islamic traditions , [ 4 ] and in turn, were influenced by the British cartographers who solidified modern concepts into India's map making.
India's territorial waters extend into the sea to a distance of 12 nautical miles (13.8 mi; 22.2 km) from the coast baseline. [7] India has the 18th largest Exclusive Economic Zone of 2,305,143 km 2 (890,021 sq mi). The northern frontiers of India are defined largely by the Himalayan mountain range, where the country borders China, Bhutan, and ...
India became an independent nation in 1947 after a struggle for independence led by influential figures like Mahatma Gandhi, Subash Chandra Bose and underwent a violent partition. India (as of April 2023) is the most populous country with over 1.4 billion people , and is also the most populous democracy in the world.
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).
This page was last edited on 5 May 2009, at 03:34 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference frame) is a global datum reference or reference frame for unambiguously representing the position of locations on Earth by means of either geodetic coordinates (and related vertical coordinates) or geocentric coordinates. [1]