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)

Mean sea level

Telecommunications; GPS (global positioning system)

The average level of the ocean's surface, as measured by the level halfway between mean high and low tide. Used as a standard in determining land elevation or sea depths.

A form of least squares solution in which the observed baseline vectors are treated as "observations" in a secondary network adjustment, and only one coordinate must be held fixed to its known value ...

L-band

Telecommunications; GPS (global positioning system)

The group of radio frequencies extending from 390MHz to 1550MHz. The GPS carrier frequencies L1 and L2 are in the L-Band.

Leg (route)

Telecommunications; GPS (global positioning system)

A portion of a route consisting of a starting (from) waypoint and a destination (to) waypoint. A route that is comprised of waypoints A, B, C, and D would contain three legs. The route legs would be ...

Lithium battery

Telecommunications; GPS (global positioning system)

A soft, silvery, highly reactive metallic element that is used in batteries where weight and cold weather conditions are concerns.

Quadrifilar helix antenna

Telecommunications; GPS (global positioning system)

A type of GPS antenna in which four spiralling elements form the receiving surface of the antenna. For GPS use, quadrifilar antennas are typically half-wavelength or quarter-wavelength size and ...

Range

Telecommunications; GPS (global positioning system)

A fixed distance between two points, such as between a starting and an ending waypoint, or a satellite and a GPS receiver. May also be referred to as Geometric Range.