Figure 3. Wire counterpoises.
The counterpoise is used with ground-mounted, quarter-wave antennas.
The vehicle itself acts as the counterpoise for quarter-wave whip
antennas mounted on tactical vehicles.
A counterpoise is commonly referred to as an artificial ground.
PRACTICE EXERCISES:
Complete the following exercises by circling T true or F for false, circling
the letter preceding the correct answer, or filling in the blanks, as
appropriate.
Be sure to complete the practice exercises as they appear.
They are "building blocks" and will help you complete the rest of the
subcourse successfully.
The answers follow the last exercise and are
separated by rows of slashes (////). If any of your answers are incorrect,
restudy the appropriate part of the subcourse before you continue.
1. Antennas have two functions; they transmit energy into space and they
___________ energy from space.
2. A radio transmitter or receiver cannot function properly without an
______________.
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