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Radiation Characteristics
Types of Grounds
Radio Wave Propagation and Antennas
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Figure 57.
Radiation pattern
produced by a grounded
quarter-wave antenna.
b. In order to decrease the mismatch and the loss, you can
make
the
antenna
longer.
An
antenna
slightly less than a half wave in
length will match the
transmitter
's 73
ohm
output.
77