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  2. Maidenhead Locator System - Wikipedia

    en.wikipedia.org/wiki/Maidenhead_Locator_System

    Maidenhead Locator System. The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [1] Its purpose is to be concise, accurate, and robust in the ...

  3. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  4. Geographic Locator Codes - Wikipedia

    en.wikipedia.org/wiki/Geographic_Locator_Codes

    Geographic Locator Codes. Worldwide Geographic Location Codes (GLCs) list the number and letter codes federal agencies should use in designating geographic locations anywhere in the United States or abroad in computer programs.

  5. Reverse geocoding - Wikipedia

    en.wikipedia.org/wiki/Reverse_geocoding

    Examples of these services include the GeoNames reverse geocoding web service which has tools to identify nearest street address, place names, Wikipedia articles, country, county subdivisions, neighbourhoods, and other location data from a coordinate.

  6. Global Industry Classification Standard - Wikipedia

    en.wikipedia.org/wiki/Global_Industry...

    The Global Industry Classification Standard ( GICS) is an industry taxonomy developed in 1999 by MSCI and Standard & Poor's (S&P) for use by the global financial community. The GICS structure consists of 11 sectors, 25 industry groups, 74 industries and 163 sub-industries [1] into which S&P has categorized all major public companies.

  7. List of California area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_California_area_codes

    The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. As of July 2023, California has 38 active area codes.

  8. List of Maryland area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Maryland_area_codes

    List of Maryland area codes. The blue area is assigned area codes 301, 240, and 227; the red area is area codes 410, 443 and 667. The state of Maryland is served by the following area codes: Area codes. Numbering plan area.

  9. List of Wisconsin area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Wisconsin_area_codes

    Area code map for Wisconsin. The U.S. state of Wisconsin is serviced in five distinct numbering plan areas (NPAs) with the following area codes of the North American Numbering Plan (NANP). Area codes 414 and 715 were among the original North American area codes assigned in 1947.

  10. Natural Area Code - Wikipedia

    en.wikipedia.org/wiki/Natural_Area_Code

    The Natural Area Code, or Universal Address, is a proprietary geocode system for identifying an area anywhere on the Earth, or a volume of space anywhere around the Earth.

  11. Lidar - Wikipedia

    en.wikipedia.org/wiki/Lidar

    Lidar is commonly used to make high-resolution maps, with applications in surveying, geodesy, geomatics, archaeology, geography, geology, geomorphology, seismology, forestry, atmospheric physics, laser guidance, airborne laser swathe mapping (ALSM), and laser altimetry.