TC 9-64 _________________________________________________________________________
The condition in which warm air is formed above a
layer of cool air that is near the earth's surface.
An array with two parasitic elements (reflector and
director) and a driven element.
A type of substance, such as frosted glass, through
which some light rays can pass but through which
objects cannot be seen clearly.
A device designed to guide electrical energy from one
point to another.
The device used to send the transmitted signal energy
A type of substance, such as glass, that transmits
almost all of the light waves that fall upon it.
The various types of lines and waveguides used as
See INPUT END.
The up and down motion of a wave as the wave moves
The portion of the atmosphere closest to the earth's
surface, where all weather phenomena take place.
means of scatter.
The peak of the negative alternation (maximum value
below the line).
Another name for the resonant line. This line uses
tuning devices to eliminate the reactance and to
transfer maximum power from the source to the line.
omnidirectional and consists of two horizontal half-
wave antennas mounted at right angles to each other in
the same horizontal plane.