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'''Earth''' : A circuit connection to a ground rod driven into the ground or system of wires buried below the surface of the ground. | '''Earth''' : A circuit connection to a ground rod driven into the ground or system of wires buried below the surface of the ground. | ||
'''EIRP''' : | '''EIRP''' : '''E'''ffective '''I'''sotropic '''R'''adiated '''P'''ower. The sum of transmitted power and antenna gain, minus any transmission line losses. | ||
'''[[Electromagnetic Waves]]''' : The waves emitted by an [[Antennas |antenna]], having two dimensions, electric and magnetic. | '''[[Electromagnetic Waves]]''' : The waves emitted by an [[Antennas |antenna]], having two dimensions, electric and magnetic. | ||
'''EHF''' : | '''EHF''' : '''E'''xtremely '''H'''igh '''F'''requency - from 30GHz to 300GHz | ||
''' | '''[http://en.wikipedia.org/wiki/Vacuum_tube Electron Tube]''' : (Also known as an '''Vacuum Tube''' or a '''Thermionic Valve'''). A device that creates or modifies an electrical signal through the movement of electrons in a low pressure (vacuum) space. | ||
'''EMF''' : | '''Elevation''' (1) : The angle that an antenna - often a beam - makes with the horizontal. | ||
'''Elevation''' (2) : How high an object/place/station is above sea level. Same as ASL (Above Sea Level) | |||
'''[[Elmer]]''' : Slang for a person who helps newcomers get started in amateur radio. | |||
'''[[Moonbounce (EME) | EME]]''' : '''E'''arth '''M'''oon '''E'''arth - bouncing a signal off the moon to a remote station that would not normally be accessible. | |||
'''EMF''' : '''E'''lectro'''m'''otive '''F'''orce - [[Voltage]]. | |||
'''EMI''' : Electromagnetic Interference. | '''EMI''' : Electromagnetic Interference. | ||
'''[http://www.eqsl.cc/qslcard/index.cfm eQSL]''' : Electronic [ | '''ERP''' : '''E'''ffective '''R'''adiated '''P'''ower. | ||
'''[http://www.eqsl.cc/qslcard/index.cfm eQSL]''' : Electronic [[QSL]] - a website for sending and receiving QSL's online. | |||
'''[[E-Skip]]''' : [[Propagation]] through signals being refracted in the E-Layer | |||
'''Eu''' : Europe | |||
Latest revision as of 07:39, 15 April 2014
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E
Earth : A circuit connection to a ground rod driven into the ground or system of wires buried below the surface of the ground.
EIRP : Effective Isotropic Radiated Power. The sum of transmitted power and antenna gain, minus any transmission line losses.
Electromagnetic Waves : The waves emitted by an antenna, having two dimensions, electric and magnetic.
EHF : Extremely High Frequency - from 30GHz to 300GHz
Electron Tube : (Also known as an Vacuum Tube or a Thermionic Valve). A device that creates or modifies an electrical signal through the movement of electrons in a low pressure (vacuum) space.
Elevation (1) : The angle that an antenna - often a beam - makes with the horizontal.
Elevation (2) : How high an object/place/station is above sea level. Same as ASL (Above Sea Level)
Elmer : Slang for a person who helps newcomers get started in amateur radio.
EME : Earth Moon Earth - bouncing a signal off the moon to a remote station that would not normally be accessible.
EMF : Electromotive Force - Voltage.
EMI : Electromagnetic Interference.
ERP : Effective Radiated Power.
eQSL : Electronic QSL - a website for sending and receiving QSL's online.
E-Skip : Propagation through signals being refracted in the E-Layer
Eu : Europe