MOS 0621 Transmissions System Operators

MOS 0621 Transmissions System Operators

MOS Description

Transmissions System Operators employ transmissions systems to enable command and control. Typical duties include the operation and maintenance of the Very Small Aperture Terminal-Expeditionary (VSAT-E), High Frequency (HF), Very High Frequency (VHF), Super High Frequency (SHF) and Ultra High Frequency (UHF) vehicular or man pack radio sets, including antennas and power sources, establishing contact with distant stations, processing and logging of messages, conducting frequency changes or cryptographic codes and maintaining equipment at the first echelon. Additional skills include planning, coordinating, executing operations while utilizing  program of record equipment and field-expedient antennas to integrate communication networks. Operators will be familiar with spectrum analyzing tools, specialized computer hardware/software programs, transmission security (TRANSEC), and communications security (COMSEC). Skill progression training for Staff Sergeant through Corporal is the Transmissions Supervisor Course.

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This is an official U.S. Marine Corps websiteUpdated: September 30, 2020
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Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), Associate Electronics Technician (CETa) is an entry-level certification for technicians who have less than two years of experience or training in electronics. Associate Electronics Technicians demonstrate knowledge of basic electronic theory and applications used in all electronic disciplines including circuits, test equipment, electrical theory, work procedures and telecommunications fundamentals. The CETa is the foundation for ETA’s journeyman, senior, and master specialty, and master certification programs. CETa applicants must meet the experience or training requirement and pass a written exam. An optional practical exam is offered.
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Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), Certified Satellite Installer (CSI) credential, for professionals who install satellites, encompasses a wide range of nonbrand-specific hardware and broadcast technologies. CSIs demonstrate knowledge of satellite communications history and theory, satellite dish reflectors, transmission-internet systems, amplifiers, cabling, satellite dish feed-horns—LNBs & LNBFs, Satellite System Installation-site surveys, satellite receivers-digital technology, interfacing with other consumer electronics equipment, troubleshooting, repairs, sun outage, safety, and related information. Candidates must pass a written exam. In addition, candidates may select to take any or all of the following four CSI Endorsement exams: Antenna, C and KU Band, Commercial and SMATV.
Click here to go to General Radiotelephone Operator License (PG) COOL Snapshot page.

Renewal Period: Lifetime

The Federal Communications Commission (FCC), General Radiotelephone Operator License (PG) is an intermediate-level technician license. A PG is required to adjust, maintain, or internally repair FCC licensed radiotelephone transmitters in the aviation, maritime, and international fixed public radio services. A PG is also required to operate: any compulsory equipped ship radiotelephone station operating with more than 1500 watts of peak envelope power; and voluntarily equipped ship and aeronautical (including aircraft) stations with more than 1000 watts of peak envelope power. FCC requires candidates to be a legal resident of the United States and be fluent in the English language. Candidates must pass a written exam.
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Renewal Period: 4 years

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Click here to go to Wireless Communications Electronics Technician (WCM) COOL Snapshot page.

Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), Wireless Communications Electronics Technician (WCM) certification is a journeyman-level credential for wireless technicians. The WCM certification is targeted toward professionals performing installation, maintenance and repair of mobile and fixed radio communications systems. Candidates seeking the ETA-I WCM credential are required to have a basic education in fundamental electronics and must pass the Associate (CETa) exam before qualifying to sit for the Journeyman level certification exam. However, candidates who hold a valid FCC GROL and either an ETA-I Associate CET (CETa), General Communications Technician - Level 1 (GCT1) or Journeyman CET certification are eligible to rollover to an ETA-I Wireless Communications (WCM) certification.
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Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-1), Line and Antenna Sweep (LAS) is a frequency domain reflectometer (FDR) certification. Line and Antenna Sweep candidates must demonstrate knowledge of antenna system commissioning, radio frequency fundamentals, mathematics, coaxial cable fundamentals and installation, RF connectors, antennas, troubleshooting, and frequency domain reflectometer testing, test interpretation and operation. The LAS is a stand-alone certification but may be upgraded to a Journeyman CET by meeting additional requirements. Candidates must pass a written exam and a hands-on skills exam.
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Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), General Communications Technician Level 1 (GCT1) certification is an entry-level credential designed to cover the many areas encountered by radio communications technicians or engineers in the public safety communications or business/commercial radio field. The GCT1 certification is modeled after wide-ranging industry communication systems encompassing more specific detailed items along with the U.S. Department of Homeland Security (DHS) guidelines covering all disciplines in the COMT program. Candidates must pass a written exam.
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Renewal Period: 4 years

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Click here to go to Electronics Associate AC (EM2) COOL Snapshot page.

Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), Electronics Associate AC (EM2) credential is for technicians in the electricity and electronics field. The EM2 can be a stand-alone certification for candidates requiring a narrower set of knowledge and skills or it can be part of the EM program, which requires that candidates attain five modules towards the eventual goal of achieving ETA’s Associate level certification (CETa). Candidates must pass a written exam.
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Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), Electronics Associate Analog (EM3) is an entry-level credential designed for technicians in the electricity and electronics field. The EM3 can be a stand-alone certification for candidates requiring a narrower set of knowledge and skills or it can be part of the EM program, which requires that candidates attain five modules towards the eventual goal of achieving ETA’s Associate level certification (CETa).  Candidates must pass a written examination.
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Renewal Period: 4 years

The Electronics Technicians Association, International (ETA-I), Electronics Associate Digital (EM4) is an entry-level credential designed for technicians in the electricity and electronics field. The EM4 can be a stand-alone certification for candidates requiring a narrower set of knowledge and skills or it can be part of the EM program, which requires that candidates attain five modules towards the eventual goal of achieving ETA’s Associate level certification (CETa). Candidates must pass a written examination.
Click here to go to Electronics Associate Comprehensive (EM5) COOL Snapshot page.

Renewal Period: 4 years

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In Demand

This certification is considered in demand. The U.S. Department of Labor sponsored CareerOneStop's analysis indicates the certification is frequently mentioned in online job postings.

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GI Bill®

Reimbursement for exam fees has been approved for payment through the GI Bill.

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Some

Credential is related to some tasks associated with the duties of the rating (at least one critical task but less than 80%)

Most

Credential is directly related to most of the major duties associated with the rating (at least 80%)

Other

Credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience

High

Highly attainable: Credential is related to the duties performed within the military occupation, the minimum education requirement = HS or less and/or minimum experience = 2 years or less experience and no additional requirements.

Medium

Moderate ease of attainment: Credential is related to the duties performed within the military occupation, the minimum education requirement = Associate's and/or prerequisite and/or minimum experience = more than 2 years and less than 10 years of experience.

Low

May be difficult to attain: Credential is related to the duties performed within the military occupation, the minimum education requirement is a Bachelor's degree, and/or minimum experience is 10 or more years.

Most – Tasks in these careers match most duties of the military job or specialty (approximately 80% or greater)
Some – Tasks in these careers match some duties of the military job or specialty (greater than 20% but less than 80%)
Bright Outlook – new job opportunities are very likely in the future for this job

Registered Apprenticeship

An apprenticeship program is registered with the U.S. Department of Labor. Go to the Apprenticeship Finder and enter career path or location to find apprenticeship opportunities.

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This credential has been accredited by:
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