TM-9-2350-275-BD

M113 FAMILY CARRIER, PERSONNEL SELF-PROPELLED FULL-TRACKED

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR

TM-9-2350-275-BD - Page 125 of 223

TM 9-2350-275-BD

COMMUNICATIONS SYSTEM

11-19. METALLIC WHIP ANTENNA REPLACEMENT; LONG WIRE ANTENNA

General Information

This procedure gives instructions for the construction of a long wire antenna for use

with the auxiliary receiver if the auxiliary antenna is broken or has been diverted for

use with the receiver/transmitter.

Limitation:

●

Cannot be used for transmission

●

Reduction in reception

Personnel/Time Required:

●

1 soldier

●

5 minutes

Material/Tools:

●

Cable, telephone, WD-l/TT 8-foot length

●

Tape, electrical

Other Options:

●

Repair broken metallic whip antenna (Refer to para. 11-17.)

●

Field expedient metallic whip antenna. (Refer to para. 11-18.)

●

Field expedient ground plane antenna. (Refer to para. 11-21.)

Procedural Steps:

CAUTION

Do not use this antenna for transmission.

It could damage

the radio equipment.

1. Strip approximately two inches of insulation from both leads

telephone cable.

2. Attach one bare lead to a screw on the R-442 auxiliary receiver.

on one end of the

3.

Attach the other bare lead to the center of the antenna connection on the receiver

by bending the wire double and jamming it into the hole.

4.

Tape or tie the wire to the antenna connector to prevent it from being pulled or

vibrated out of the hole.

5.

Throw the loose end of the wire out the loader’s hatch.

6.

Record the BDAR action taken.

When the mission is completed, as soon as

practicable, repair vehicle using standard maintenance procedures.

11-19