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  1. The Burroughs 416L SAGE component (ESD Project 416L, Semi Automatic Ground Environment System) was the Cold War network connecting IBM supplied computer system at the various DC and that created the display and control environment for operation of the separate radars and to provide outbound command guidance for ground-controlled interception by ...

  2. The equirectangular projection (also called the equidistant cylindrical projection or la carte parallélogrammatique projection), and which includes the special case of the plate carrée projection (also called the geographic projection, lat/lon projection, or plane chart), is a simple map projection attributed to Marinus of Tyre, who Ptolemy claims invented the projection about AD 100.

  3. The Colombian peace process is the peace process between the Colombian government of President Juan Manuel Santos and the Revolutionary Armed Forces of Colombia (FARC–EP) to bring an end to the Colombian conflict, which eventually led to the Peace Agreements between the Colombian Government of Juan Manuel Santos and FARC-EP.

  4. A Maidenhead locator compresses latitude and longitude into a short string of characters, which is similar in concept to the World Geographic Reference System or GEOREF. This position information is presented in a limited level of precision to limit the number of characters needed for its transmission using voice, Morse code, or any other operating mode.

  5. Because 'International Organization for Standardization' would have different acronyms in different languages (IOS in English, OIN in French), our founders decided to give it the short form ISO. ISO is derived from the Greek word isos (ίσος, meaning "equal"). Whatever the country, whatever the language, the short form of our name is always ISO.

  6. A coordinate system is a mathematical concept, amounting to a choice of language used to describe observations. Consequently, an observer in an observational frame of reference can choose to employ any coordinate system (Cartesian, polar, curvilinear, generalized, …) to describe observations made from that frame of reference.

  7. › wiki › HipparchusHipparchus - Wikipedia

    Coordinate System. It is disputed which coordinate system(s) he used. Ptolemy's catalog in the Almagest, which is derived from Hipparchus's catalog, is given in ecliptic coordinates. Although Hipparchus strictly distinguishes between "signs" (30° section of the zodiac) and "constellations" in the zodiac, it is highly questionable whether or ...

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