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  2. Geographic coordinate conversion - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate...

    Grid-based transformations directly convert map coordinates from one (map-projection, geodetic datum) pair to map coordinates of another (map-projection, geodetic datum) pair. An example is the NADCON method for transforming from the North American Datum (NAD) 1927 to the NAD 1983 datum. [ 26 ]

  3. Wikipedia:Obtaining geographic coordinates - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Obtaining...

    Has geographic coordinates for airports, heliports, and other facilities which have an IATA or ICAO code. You can also search by location name. Plexscape WS: Google Maps tool – Coordinate converter: Online application to acquire coordinates for any place on Earth. Supports more than 3,000 coordinate systems and 400 datums worldwide.

  4. Template:Radio translators - Wikipedia

    en.wikipedia.org/wiki/Template:Radio_translators

    Table template for United States radio station translators Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status Width of table width Width, in percentage or pixels. Example 50%; 800px String optional Call sign callsign Call sign of the station being rebroadcast. Adds a header to the top of the page. String suggested ...

  5. Maidenhead Locator System - Wikipedia

    en.wikipedia.org/wiki/Maidenhead_Locator_System

    In 1985, the Radio Society of Great Britain published a small set of BASIC language routines to convert from locator references to geographical coordinates (latitude and longitude) for further processing. [8] A complete program in BASIC called Universal Gridlocator was made available the following year by ARRL for a nominal cost of US$3. [9]

  6. Geographical distance - Wikipedia

    en.wikipedia.org/wiki/Geographical_distance

    Latitude and longitude coordinates on maps are usually expressed in degrees. In the given forms of the formulae below, one or more values must be expressed in the specified units to obtain the correct result. Where geographic coordinates are used as the argument of a trigonometric function, the values may be expressed in any angular units ...

  7. Earth-centered, Earth-fixed coordinate system - Wikipedia

    en.wikipedia.org/wiki/Earth-centered,_Earth...

    The Earth-centered, Earth-fixed coordinate system (acronym ECEF), also known as the geocentric coordinate system, is a cartesian spatial reference system that represents locations in the vicinity of the Earth (including its surface, interior, atmosphere, and surrounding outer space) as X, Y, and Z measurements from its center of mass.

  8. Template:CH1903-WGS84 - Wikipedia

    en.wikipedia.org/wiki/Template:CH1903-WGS84

    This template is designed to convert a set of Swiss coordinates into either the corresponding WGS84 decimal latitude or longitude.It is intended to facilitate the usage of geodata (see {{}}) in articles about subjects for which only Swiss coordinates are readily available.

  9. WSHE (AM) - Wikipedia

    en.wikipedia.org/wiki/WSHE_(AM)

    WSHE (820 kHz HD Radio) is a commercial radio station, which transmits a digital-only signal on a standard AM band frequency. It is licensed to serve Frederick, Maryland, and owned by Hubbard Broadcasting through licensee Washington DC FCC License Sub, LLC.