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  2. Triangulation (surveying) - Wikipedia

    en.wikipedia.org/wiki/Triangulation_(surveying)

    Triangulation of Kodiak Island in Alaska in 1929. In surveying, triangulation is the process of determining the location of a point by measuring only angles to it from known points at either end of a fixed baseline by using trigonometry, rather than measuring distances to the point directly as in trilateration. The point can then be fixed as ...

  3. Triangulation - Wikipedia

    en.wikipedia.org/wiki/Triangulation

    Specifically in surveying, triangulation involves only angle measurements at known points, rather than measuring distances to the point directly as in trilateration; the use of both angles and distance measurements is referred to as triangulateration.

  4. Trilateration - Wikipedia

    en.wikipedia.org/wiki/Trilateration

    In geometry, trilateration is defined as the process of determining absolute or relative locations of points by measurement of distances, using the geometry of circles, spheres or triangles. In surveying, trilateration is a specific technique. [4] [5] [6]

  5. True-range multilateration - Wikipedia

    en.wikipedia.org/wiki/True-range_multilateration

    SHORAN was later used for off-shore oil exploration and for aerial surveying. The Australian Aerodist aerial survey system utilized 2-D Cartesian true-range multilateration. [7] This 2-D scenario is sufficiently important that the term trilateration is often applied to all applications involving a known baseline and two range measurements.

  6. Geodetic control network - Wikipedia

    en.wikipedia.org/wiki/Geodetic_control_network

    Electronic distance measurement (EDM) was introduced around 1960, when the prototype instruments became small enough to be used in the field. Instead of using only sparse and much less accurate distance measurements some control networks were established or updated by using trilateration more accurate distance measurements than was previously possible and no angle measurements.

  7. Free stationing - Wikipedia

    en.wikipedia.org/wiki/Free_stationing

    In surveying, free stationing (also known as resection) is a method of determining a location of one unknown point in relation to known points. [1] There is a zero point of reference called a total station. The instrument can be freely positioned so that all survey points are at a suitable sight from the instrument.

  8. Traverse (surveying) - Wikipedia

    en.wikipedia.org/wiki/Traverse_(surveying)

    Traverse is a method in the field of surveying to establish control networks. [1] It is also used in geodesy. Traverse networks involve placing survey stations along a line or path of travel, and then using the previously surveyed points as a base for observing the next point.

  9. Category:Geopositioning - Wikipedia

    en.wikipedia.org/wiki/Category:Geopositioning

    Surveying (17 C, 124 P) Pages in category "Geopositioning" The following 47 pages are in this category, out of 47 total. ... Triangulation; Trilateration; True-range ...