GPS (global positioning system)

GPS (global positioning system)

Of or referring to a space based navigation system that provides location, time, and weather conditions on earth.

Industry: Telecommunications

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GPS (global positioning system)

Height (orthometric)

Telecommunications; GPS (global positioning system)

The Orthometric Height is the height of a station on the earth's surface, measured along the local plumbline direction through that station, above the Geoid surface. It is approximated by the "Height ...

Ephemeris errors

Telecommunications; GPS (global positioning system)

Errors (or "biases") which are present in the (Broadcast or Precise) Ephemeris data. Broadcast Ephemeris errors are typically at the few metre level, while Precise Ephemeris errors are at the ...

Fix

Telecommunications; GPS (global positioning system)

A single position with latitude, longitude (or grid position), altitude (or height), time, and date.

Frequency

Telecommunications; GPS (global positioning system)

The number of repetitions per unit time of a complete waveform, as of a radio wave (see L1 and L2 frequencies in this glossary).

Geocaching

Telecommunications; GPS (global positioning system)

A high-tech version of hide-and-seek. Geocachers seek out hidden treasures utilising GPS coordinates posted on the Internet by those hiding the cache.

Geodetic datum

Telecommunications; GPS (global positioning system)

A math model representing the size and shape of the earth (or a portion of it).

Geodetic survey

Telecommunications; GPS (global positioning system)

Global surveys for the establishment of control networks (comprised of Reference or Control Points), which are the basis for accurate land mapping. Maybe carried out using either terrestrial or ...