MOS 31C Radio Operator
Radio operator-maintainers supervise, install, operate, and perform preventive maintenance checks and services (PMCS) and unit level maintenance on assigned amplitude modulation (AM) radios, Enhanced Position Locating and Reporting System (EPLRS) net control stations, radio teletypewriter assemblages, and Army Special Operations communications systems, to include COMSEC devices and associated equipment. Operates manual or automated communications systems. Operates and performs PMCS on assigned vehicles and power generators. Duties for MOS 31C at each level of skill are:
a. Major duties.
(1) MOSC 31C1O. Installs, operates, and performs PMCS and unit level maintenance on single channel radio, radio teletypewriter, Army Special Operations communications equipment, and EPLRS net control stations, and associated equipment. Installs, operates, performs strapping, restrapping, PMCS and unit level maintenance on COMSEC devices. Prepares and transmits messages in format. Receives, records, and processes messages to addressees or distribution sections. Operates and performs PMCS on assigned vehicles. Installs, operates, and performs PMCS on assigned power generators.
(2) MOSC 31C2O. Supervises, and performs as a team member, in the operation of single channel AM radio, radio teletypewriter, Army Special Operations communications equipment, or EPLRS net control station assemblages. Supervises and performs authorized maintenance on assigned equipment. Directs the installation of radios and antennas. Controls and uses Signal Operating Instructions (SOI). Implements COMSEC, OPSEC, and physical security policies and procedures. Recognizes electronic countermeasures (ECM) and implements electronic counter-countermeasures (ECCM).
(3) MOSC 31C3O. Supervises the installation, operation and maintenance of high frequency (HF) radios. Prepares work schedules and allocates equipment for net operations or special missions. Advises superiors on capabilities and limitations of HF radio equipment. Writes or interprets operations orders and prepares standing operating procedures (SOP) for HF operations. Ensures compliance with security regulations governing HF radio, COMSEC, and automated data processing (ADP) equipment used with HF equipment. Coordinates logistical support for subordinate teams. Establishes training programs for subordinate personnel.
b. Physical demands rating and qualifications for initial award of MOS.
Radio operator-maintainer must possess the following qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 111221.
(3) A minimum scores of 100 in aptitude area SC and 100 in aptitude area EL.
(4) A security clearance of SECRET.
(5) Ability to clearly enunciate English.
(6) A U.S. citizen.
(7) The ability to type 25 WPM.
(8) Formal training (completion of MOS 31C Course conducted under the auspices of the USA Signal School) mandatory or waiver may be granted by Commandant, U.S. Army Signal School, ATTN: ATZH-POE, Ft Gordon, GA 30905-5300; or meet the civilian acquired skills criteria listed in AR 601-210.
c. Additional skill identifiers.
(1) D9-Battlefield Spectrum Management (skill level 3 only).
(2) J7-WHCA Console Control Operations.
(3) P5-Master Fitness Trainer.
(4) T1-Enhanced Position Location and Reporting System (EPLRS) Net Control Station (NCS) and Enhanced Ground Reference Unit (EGRU) Operator.
(5) 2S-Battle Staff Operations (skill level 3 and above only).
(6) 4A-Reclassification Training.
d. Physical requirements and standards of grade.
Physical requirements and SG relating to each skilllevel are listed in the following tables:
(1) Table 10-31C-1. Physical requirements.
(2) Table 10-31C-2. Standards of grade TOE/MTOE.
(3) Table 10-31C-3. Standards of grade TDA.
