C2, TM 11-5985-284-15
ground it to the radio set chassis. When the
radio set whip antenna base is not grounded,
position as shown in figure 2-3.
it interferes with homing signals.
of
the
c. Connect
connector J1
AT-1082/PRC to the antenna coaxial connec-
2-4. Siting
tor of the radio set with which it is to be used
by the CG-3344/PRC cable. The 12-foot cable
The best performance of Antenna AT-1082/
(CG-2840A/U) may be added to the
PRC is obtained when it is used over an unob-
CG-3344/PRC to increase the interconnection
structed line-of-sight path with a compatible
cable length, if required.
radio set. For this reason, the AT-1082/PRC
d. Remove all other antennas from the
should be operated away from obstructions
radio.
such as large buildings, bridges, steel struc-
a t t a c h e d t o the
e. T h e
shield
cap
tures, and hills. These objects will block or
CG-3344/PRC (fig. 1-1) is provided for use
deflect the desired signal, thereby making
with Receiver-Transmitters, Radio RT-505/
homing difficult or impossible. Also, this
PRC-25 (part of Radio Sets AN/PRC-25 and
e q u i p m e n t should not be operated near
A N / V R C - 5 3 ) and RT-841/PRC-77 (part o f
high-power or telephone lines. The best sites
Radio Set AN/PRC-77). On these receiver-
for desired directional looping are on hilltops
transmitters, press the shield cap down as far
or over open, flat terrain. Figure 2-2 illus-
as it will go over the whip antenna base. The
trates typical good and poor locations for
inside top of the shield cap should contact the
AT-1082/PRC operation.
top of the whip antenna base on the radio and
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