VTM-91-772/C
-7-
SECTION 4
INSTALLATION
4-1. SITE
INFORMATION
Valcom's AS-3772B/U HF Antenna is designed primarily for shipboard installation. The antenna
can also be used at shore installations. The antenna should be installed in a non-obstructed
environment, clear from any contiguous structures, such as masts, bulkheads, or other metal objects.
4-2. TOOLS AND MATERIALS REQUIRED
15/16" (normally) wrenches for 5/8" hardware for antenna base bolts (not provided).
7/16" wrench for feed-point connector bolts
#4 Phillips screwdriver for joint screws
No other special tools and materials are required for installation.
4-3. UNPACKING AND REPACKING
Table 1-2 gives data on the overall dimensions, volume, and weight of the crated antenna. To
unpack, carefully remove the screws holding the cover, and remove the antenna from the container.
Save the container to pack the antenna for reshipment. No special handling procedures are required;
observed normal precautions when handling the antenna.
4-4. FOUNDATION
The antenna should be installed vertically on a mounting plate that has bolt holes matching those
in the antenna base (see figure 4-1).
4-5. INPUT REQUIREMENTS
The antenna has an rf power handling capability of 5 kW when used singularly or 10 kW when used
in a twin whip configuration with tuner in the 2 to 30 MHz frequency range.
4-6. INSTALLATION PROCEDURES
After unpacking the antenna, proceed with its installation as follows:
a. Examine the exterior of the antenna for damage; make sure that neither the top of the lower
section or the bottom of the upper section have been damaged. Also check the base for
damage.
