TC 9-64 _________________________________________________________________________
The plane (vertical or horizontal) with respect to the
earth in which the E field propagates.
point of zero
See REFERENCE LINE.
A graph whose axes consist of a series of circles with a
common center and a rotating radius extending from
the center of the concentric circles.
The portion of a sine wave above the reference line.
The heat loss in a conductor as current flows through it.
The ratio of the square of the maximum and minimum
wave ratio (PSWR)
voltages of a transmission line.
primary colors (of
The three primary colors of light (red, green, and blue),
from which all other colors may be derived.
A triangular-shaped glass that refracts and disperses
Waves traveling through a medium.
quality (of sound)
The factor that distinguishes tones of pitch and
The electromagnetic field that detaches itself from an
antenna and travels through space.
The losses that occur when magnetic lines of force about
a conductor are projected into space as radiation and
are not returned to the conductor as the cycle
A plot of the radiated energy from an antenna.
would consume the same amount of power as that
Electromagnetic frequencies that fall between 3
kilohertz and 300 gigahertz and are used for radio