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OPTIMUM WORKING FREQUENCY (fot)
Neets Module 10-Introduction to Wave Propagation, Transmission Lines, and Antennas
occurs when a transmitted signal divides and takes more than one path to a
receiver and some of the signals arrive out of phase, resulting in a weak or fading signal.
that affect radio-wave propagation are ionospheric absorption,
, and free-space losses.
, both natural and man-made, interfere with
MAXIMUM USABLE FREQUENCY
is the highest frequency that can be used for
communications between two locations at a given
angle of incidence
and time of day.
is the lowest frequency that can be used for
between two locations.
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