## Electronics (Mike Jaroch)

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### G

#### GROUND REFLECTION LOSS

The loss of RF energy each time a radio wave is reflected from the earth's surface [10].

 Keyword(s): GROUND REFLECTION LOSS

#### GROUND SCREEN

A series of conductors buried below the surface of the earth and arranged in a radial pattern. Used to reduce losses in the ground [10].

 Keyword(s): GROUND SCREEN

#### GROUND WAVES

Radio waves which travel near the surface of the earth [10].
 Keyword(s): GROUND WAVES

#### GROUND-CONTROLLED APPROACH

A radar system used to guide aircraft to safe landings in poor visibility conditions [18].

 Keyword(s): GROUND-CONTROLLED APPROACH

#### GROUND-PLANE ANTENNA

A type of antenna that uses a ground plane as a simulated ground to produce low-angle radiation [10]

 Keyword(s): GROUND-PLANE ANTENNA

#### GROUP

A collection of units, assemblies, subassemblies, and parts. It is a subdivision of a set or system but is not capable of performing a complete operational function [17].

 Keyword(s): GROUP

#### GROUP VELOCITY

The forward progress velocity of a wave front in a waveguide [11].
 Keyword(s): GROUP VELOCITY

#### GROWN JUNCTION

A method of mixing P-type and N-type impurities into a single crystal while the
crystal is being grown [7].

 Keyword(s): GROWN JUNCTION

A system which provides information that is used to guide a missile to a target
[18].