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ANSWERS:
25.
L
=
Velocity
26.
300,000,000 meters per second or 300 MHz.
27.
five
28.
L
=
142
F(MHz)
29.
142 =
5.9 meters
24
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27. IMPROVISING WHIP ANTENNAS.
Whip antennas are the most commonly used
radio antennas on radios available to the field artillery (vehicle and
backpack).
Whip antennas are often broken.
When a replacement is not
immediately available, the operator can improvise a satisfactory antenna by
using copper or aluminum wire. (If these are not available, field wire can
be used.)
a. Repairing a whip antenna. An operator can repair a broken antenna
by lashing the broken antenna sections together. When lashing the sections
together, be sure paint and corrosion are removed from the parts being
jointed (Fig 33).
Figure 33.
Emergency repair of
Figure 34.
Improvised whip
whip antenna.
antenna.
50
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