Pass the GROL (General Radiotelephone Operator License) Test

radiotelephone operator

The General Radiotelephone Operator License (PG) is crucial for those who adjust, maintain, or repair certain FCC-licensed radios. It’s needed for aviation, maritime, and public radio services worldwide. You must have the PG to manage certain ship radios or more powerful station radios. With a PG, you can do everything an MP license allows.

Free GROL Practice Test Online

Key Takeaways

  • The GROL (General Radiotelephone Operator License) is a must for those fixing and caring for FCC radios in various fields.
  • It lets you use high-power ship and plane radios. For ships, it’s for anything over 1500 watts. For planes and others, it’s radios over 1000 watts.
  • Holding a GROL means you have the same permissions as an MP (Marine Radio Operator Permit).
  • The GROL test covers key radio rules, how things work, and general radio topics. You need to score 75% or more to pass.
  • Mariners Learning System’s GROL course has a pass rate of 98.7% over the last twenty years. They provide expert help and promise a good learning time.

Understanding the GROL License

The GROL (General Radiotelephone Operator License) is key for those working with FCC-licensed radiotelephone transmitters in the aviation, maritime, and international fixed public radio services. It lets you try each exam for FCC Element 1 and FCC Element 3 once. You have two hours for each online test.

Importance of the GROL License

The General Radiotelephone Operator License (PG) is essential for those fixing or adjusting FCC-licensed radiotelephone transmitters. This is needed in air, sea, and fixed radio services. With this license, you can work on compulsorily equipped ship radiotelephone stations above 1500 watts and on voluntarily equipped ship and aeronautical stations over 1000 watts.

Eligibility Requirements

For working on FCC-licensed radiotelephone transmitters in the aviation, maritime, and international fixed public radio services, the General Radiotelephone Operator License (PG) is a must. It gives you the same rights as the MP license.

Types of Radio Services Covered

To use the GROL (General Radiotelephone Operator License), you must operate in these areas:

  • Any compulsorily equipped ship radiotelephone station with more than 1500 watts of peak envelope power
  • Voluntarily equipped ship and aeronautical (including aircraft) stations that exceed 1000 watts of peak envelope power

GROL (General Radiotelephone Operator License) Test Content

The GROL exam has two main parts. Each one teaches important things about radio communication. It helps people who want to work with radios, like sea and air space radio operators, understand the key rules and principles.

Element 1: Basic Radio Law and Operating Practice

Element 1 teaches the basics of using radios. It’s important for maritime radio operators to know this. They learn about radio regulationsoperational procedures, and how to use radios in the sea.

Element 3: General Radiotelephone

Element 3 goes deeper into radio technology. It includes how to fix and keep radio equipment working well. The exam in this part tests many areas, like radio wave propagationpractice, and signal types.

Exam Format and Grading

The GROL exam works like this:

  • Element One: It has 24 questions to answer. You need to get 75% right to pass. You can have up to 6 wrong answers and still pass.
  • Element Three: This has 100 questions. You need to answer 75% correctly. You can get 25 answers wrong and still pass.

Preparing for the GROL Exam

Getting ready for the GROL (General Radiotelephone Operator License) exam needs focus and a solid plan. It doesn’t matter if you work in maritime or aviation radio, or if you’re just aiming for a certificate. The important thing is to gather the right study tools. These will help you do well on the FCC license test.

Study Materials and Resources

Ready to study? Don’t miss our GROL – General Radiotelephone Operator License (PG) Practice Test Book. It’s a must-have for detailed study. It covers essential topics like radio theory, laws and rules, practical skills, safety, and emergency procedures.

Practice Tests and Question Pools

If you have an account, you can track your progress. We offer question pools for Elements 1, 3, 6, 7, 7R, 8, and 9. These practice tests show your strong and weak points. They’ll help you study better for the GROL (General Radiotelephone Operator License) exam.

Test-Taking Strategies

For the proctored exam, remember to show a clear photo ID to the screen. This step is needed per FCC rules and helps ensure fair testing. You can use a U.S. driver’s license, Passport, Law enforcement or Military ID card, or Official ID.


The world of maritime and aeronautical communications keeps changing. The GROL (General Radiotelephone Operator License) is key here. It makes sure people handling FCC-licensed radiotelephone transmitters know what they’re doing. They must be skilled and knowledgeable to work safely in radio communication.

Mariners Learning System has been a top choice for FCC license exam prep for 20 years. They’ve guided many maritime radio operators and aviation radio operators through radiotelephone regulationsradio theory, and radio operation principles for their GROL (General Radiotelephone Operator License). Their high pass rate, at 98.7%, proves they are top-notch.

One student shared, “I tested tonight and had great success. Thanks for your guidance through this. Mariners Learning System staff were professional, patient, and quick to help. I can’t wait to use what I learned out at sea.” Many students feel the same about how Mariners prepares them for maritime radio operations and aeronautical radio operations, from radiotelephone theory to emergency radio procedures.


What is the GROL (General Radiotelephone Operator License)?

The GROL is key for those adjusting FCC-licensed radiotelephone transmitters. It’s needed in aviation, maritime, and fixed radio services.

Who is required to hold the GROL license?

If you handle ship radiotelephone stations with specific power requirements, you need the GROL. This includes those on aircraft as well.

What does the GROL license grant?

Having a GROL means you have the same level of control as someone with an MP license.

What does the GROL – General Radiotelephone Operator License (PG) product include?

The GROL includes a chance to try each FCC Element once. This means you get to attempt both the Element 1 and Element 3 exams.

What are the FCC Elements covered in the GROL exam?

Element 1 teaches basic radio rules and how to operate. Element 3 is about radio technology and maintenance.

What is the format and grading for the GROL exam?

The exams have multiple-choice questions. Element 1 has 24 questions, and Element 3 has 100. You need a 75% score to pass each.

What resources are available for GROL exam preparation?

Mariners Learning System provides printed practice books for the GROL. They also have online tests for Elements 1 and 3, and more.

What are the requirements for the proctored GROL exam?

For online tests, you must show clear ID on the screen. The FCC keeps this info.

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