TM-9-2350-275-BD Battlefield Damage Assessment and Repair for M113 Family Download
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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