Free GROL Practice Test %currentyear%: Exam Questions & Study Guide

GROL Practice Test : Free Exam Questions & Study Guide

Professional avionics technician holding a GROL license document

The GROL (General Radiotelephone Operator License) is a vital credential for professionals managing radio and satellite communications in aviation, maritime, and international fixed public radio services. Administered by the Federal Communications Commission (FCC), the FCC GROL demonstrates your competence in adjusting, maintaining, and repairing complex radio equipment.

To earn your GROL radio license, you must pass two written examinations: Element 1 (Marine Radio Law) and Element 3 (General Radiotelephone). Our free resources, including practice questions and a detailed GROL license study guide, are designed to help you ace the test and advance your technical career.

⏱️
UNL
Time Limit
📝
100
Total Questions
75%
Pass Rate
💵
$35+
Exam Fee
📊
75%
Passing Score
🖥️
MCQ
Format
🔄
Yes
Retakes
🏢
COLE
Centers
📍
FCC
Based
🩺
Life
Licensure
💻
Yes
Computer
🎓
None
Degree

Unlike many other professional certifications, the FCC GROL license is issued for your lifetime. Once you pass your FCC GROL exams (Elements 1 and 3), you never need to renew it, making it a valuable one-time investment for your long-term career in avionics and maritime communications.

Marine radio operator using communication equipment on a ship bridge

Free GROL Practice Test Questions

Prepare for your certification with our comprehensive GROL license test simulator. These practice modules cover essential topics for both Element 1 and Element 3 to ensure you pass.

GROL Exam Flashcards

Quick review for key radio and electronics concepts

📻
What is the emission designator for FM voice?
The emission designator for Frequency Modulated (FM) voice communication is typically F3E.
START GROL PRACTICE TEST →
What is Ohm's Law formula?
Ohm's Law is expressed as V = I × R, where V is voltage, I is current, and R is resistance.
REVIEW GROL QUESTIONS →
📡
What defines the VHF frequency range?
Very High Frequency (VHF) ranges from 30 MHz to 300 MHz, commonly used for aviation and marine comms.
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🔋
What is the purpose of a fuse?
A fuse protects a circuit from excessive current by melting and breaking the connection when overloaded.
TRY GROL MOCK EXAM →
⚖️
Who administers GROL exams?
FCC-designated Commercial Operator License Examination (COLE) managers administer the tests.
ACCESS GROL STUDY GUIDE →
🔊
What is SSB modulation?
Single Sideband (SSB) modulation is a form of AM that uses less bandwidth and power by suppressing one sideband and carrier.
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GROL License Study Guide

Use this interactive GROL study guide to understand the essentials of the exam. Navigate through the tabs to find answers about the format, registration, scoring, and preparation tips.

What is the GROL license?The GROL license (General Radiotelephone Operator License) is an FCC credential required to maintain and repair certain aviation and marine radio equipment.
Who needs a GROL certification?Avionics technicians, marine radio operators, and professionals working with international fixed public radio services need a GROL certification.
Do I need a degree for the GROL?No, you do not need a college degree to obtain an FCC GROL license. You only need to pass the required written exams.
Is the GROL license valid for life?Yes, once issued, the FCC GROL is valid for the holder's lifetime and does not require renewal.
What elements are on the GROL exam?The GROL exam consists of Element 1 (Marine Radio Law) and Element 3 (General Radiotelephone).
How many questions are on the GROL test?Element 1 has 24 questions, and Element 3 has 76 questions, totaling 100 questions for the full GROL test.
What is the passing score for GROL?You must answer 18/24 (75%) correctly on Element 1 and 57/76 (75%) correctly on Element 3 to pass the FCC GROL exam.
Is the GROL test multiple choice?Yes, the GROL license test uses a multiple-choice format for all questions.
How do I register for the GROL exam?You must register with a Commercial Operator License Examination (COLE) Manager to take the GROL exam.
Where can I find GROL testing locations?GROL testing locations are available nationwide through organizations like ETA International, NMEA, and other FCC-approved exam managers.
What is the GROL exam cost?The GROL license cost varies by testing center but typically ranges from $35 to $60 per element.
Do I need an FRN for the GROL?Yes, you must obtain an FCC Registration Number (FRN) from the FCC website before taking your FCC GROL test.
When do I get my GROL results?Most testing centers provide immediate results after you complete the GROL license test.
How do I get my official GROL license?After passing, your COLE manager files the paperwork. You will receive your FCC GROL license via email or mail from the FCC.
Can I retake the GROL exam if I fail?Yes, you can retake the GROL test as many times as needed, though you will likely have to pay the exam fee again.
How do I check my GROL status?You can check your FCC GROL license status using the FCC's Universal Licensing System (ULS) online.
What is the average GROL salary?Professionals with a GROL license earn an average salary of $65,000 to $85,000 annually, depending on their role.
Do avionics techs need a GROL?Yes, many employers require an FCC GROL for avionics technicians to legally work on aircraft radio and radar systems.
Does a GROL increase pay?Yes, holding a GROL certification often leads to higher pay and better job opportunities in the aviation and maritime sectors.
What jobs require a GROL license?Jobs include avionics technician, marine electronics technician, and field service engineer, all often requiring a GROL radio license.

What is the GROL Test Format?

The GROL test is divided into distinct "Elements" covering different areas of knowledge. To obtain the General Radiotelephone Operator License, you must pass Element 1 and Element 3.

Element 1Mandatory

Marine Radio Law covers the basic laws and operating procedures for maritime communications.

RulesRegulationsSafety
  • Topics: Communications Act of 1934, FCC Rules, Operating Procedures
  • Questions: 24 Questions (18 to pass)
📻Element 3Mandatory

General Radiotelephone covers electronic fundamentals and techniques required to adjust and repair radio transmitters.

ElectronicsCircuitryMaintenance
  • Topics: Electronic Principles, Circuit Components, Transmitters, Receivers
  • Questions: 76 Questions (57 to pass)
📡Element 8Optional

Ship Radar Endorsement allows you to install and maintain ship radar equipment.

RadarTheorySafety
  • Topics: Radar Theory, Magnetrons, Waveguides, Installation
  • Questions: 50 Questions (38 to pass)
ElectronicsTopic

Detailed knowledge of electronic components and circuits is crucial for Element 3.

AC/DCTransistorsDigital
  • Topics: Semiconductors, Power Supplies, Amplifiers, Logic Circuits
  • Questions: Embedded in Element 3
✈️AviationFocus

Understanding aviation radio requirements is key for those seeking jobs in avionics.

Nav CommsRegulationsSafety
  • Topics: Aviation Frequencies, Emergency Comms, Equipment Standards
  • Questions: Covered in Elements 1 & 3
🆘SafetyPriority

Safety protocols for radio operators and technicians are tested extensively.

RF ExposureGroundingFirst Aid
  • Topics: Electrical Shock Hazards, Radiation Safety, Distress Signals
  • Questions: Integrated across all elements
💡 GROL Study Tip

Focus heavily on Element 3 as it constitutes the bulk of the GROL exam (76 questions) and covers complex electronic theory. Use our fcc grol study guide resources to master circuit diagrams and formulas.

GROL Score Calculator

Calculate your potential score for the combined GROL exam (Elements 1 & 3).

Total Scored Questions: 100
0100
75 out of 100 correct
75%
✓ PASS
Required to Pass:75% (approx)
Your Score:75 correct
Questions Wrong:25

GROL Salary and Job Outlook

Holding an FCC GROL license significantly boosts earning potential in aviation and maritime industries.

$72,500
Average Annual Salary for GROL Holders
📊 Salary by Experience
$45k
Entry
$55k
1-3 Yrs
$65k
3-5 Yrs
$75k
5-10 Yrs
$85k
10+ Yrs
Entry
$45k
1-3 Yrs
$55k
3-5 Yrs
$65k
5-10 Yrs
$75k
10+ Yrs
$85k
*Estimates based on national averages for avionics/marine techs.
RoleAnnual SalaryMonthly IncomeTypical Timeline
🚢 Marine Radio Operator$58,000$4,800Entry Level
✈️ Avionics Technician$72,000$6,0002-5 Years
🔧 Electronics Tech$68,000$5,6001-4 Years
📡 Broadcast Engineer$82,000$6,8005-10 Years
👨‍✈️ Maritime Officer$95,000$7,90010+ Years
💰 Career Boost

Earning your GROL certification opens doors to specialized high-paying roles in federal government, aerospace, and commercial shipping that are unavailable to unlicensed technicians.

How to Get Your GROL License

Follow this step-by-step roadmap to obtain your FCC GROL license efficiently. The process involves study, registration, and passing the required elements.

📚
Wk 1-2
Study
Use GROL study guides
📝
Wk 3
Register
Find testing center
✍️
Wk 4
Exam
Pass Elements 1 & 3
📜
Wk 5
License
Receive FCC GROL
Step-by-Step Registration
  1. Obtain FRN - Register for an FCC Registration Number (FRN) on the FCC website.
  2. Study for Exams - Use a GROL license study guide to prepare for Element 1 and Element 3.
  3. Find Test Center - Locate a Commercial Operator License Examination (COLE) manager near you.
  4. Schedule Exam - Book your appointment for the GROL test and pay the exam fee.
  5. Take the Test - Bring your ID and calculator. Pass both elements with 75% or higher.
  6. File Application - Your COLE manager typically files FCC Form 605 on your behalf.
  7. Receive License - Your official GROL radio license will be issued electronically by the FCC.

GROL License Cost

The cost to obtain a GROL license is relatively low compared to other professional certifications. Fees are paid to the testing center, not the FCC directly.

💵
$35-$60
Exam Fee
Per element tested
📚
$0-$100
Study Materials
Books or courses
📄
$0
FCC Fee
No application fee
🚗
$20
Travel
To testing center
🔄
$35+
Retake Fee
If you fail an element
📦
Total
~$100-$150
Total estimated cost
💰 Lifetime Value

Since the FCC GROL license does not expire and requires no renewal fees, your initial investment of ~$100 provides lifetime career benefits.

Aviation electronics technician inspecting aircraft radio systems

Career Opportunities with a GROL

Explore the diverse job roles available to GROL certification holders.

✈️
Avionics Technician
Install and repair aircraft communication and navigation systems. An FCC GROL is often mandatory for this high-precision role.
🚢
Marine Radio Operator
Operate and maintain radio equipment on commercial vessels. A GROL radio license ensures compliance with maritime safety laws.
🔧
Aviation Mechanic
Airframe and Powerplant (A&P) mechanics with a GROL license are highly sought after for their ability to handle electronic systems.
📡
Broadcast Engineer
Maintain radio and television transmitter stations. A GROL certification demonstrates deep knowledge of RF transmission.
👮
Public Safety Tech
Maintain emergency radio systems for police, fire, and EMS. Reliability is key, and the FCC GROL proves your capability.

GROL Testing Contacts

Contact these official organizations to schedule your GROL exam.

🏢
FCC
Federal Communications Commission

Website: fcc.gov

Services: Licensing, Regulations

Contact: 1-888-CALL-FCC

📝
ETA International
COLE Manager

Website: etai.org

Services: Testing, Certification

Contact: 800-288-3824

NMEA
National Marine Electronics Assn

Website: nmea.org

Services: Marine Exams

Contact: 410-975-9425

✈️
W5YI-VEC
COLE Manager

Website: w5yi.org

Services: Commercial Exams

Contact: 817-548-8200

🔍 Find Testing Locations

Search for "GROL testing locations near me" on the ETA International or W5YI websites to find an authorized proctor in your area.

GROL Test Day Checklist

Ready to Pass Your GROL Exam?

Join thousands of technicians who passed with our GROL license study guide resources. Start practicing today!

START GROL PRACTICE TEST

GROL License Renewal

One of the best features of the GROL certification is its lifetime validity. Unlike many other credentials, you do not need to renew it.

📅
Validity
Lifetime
💵
Renewal Fee
$0
📚
CE Units
None
✅ Valid For Life

Once you receive your FCC GROL license, it never expires. You do not need to complete continuing education units or pay renewal fees.

GROL Exam Questions and Answers

The FCC GROL license (General Radiotelephone Operator License) allows you to adjust, maintain, and repair FCC-licensed radio transmitters in aviation, maritime, and international fixed public radio services.

The GROL test is moderately difficult, especially Element 3, which covers electronics theory. However, with a good GROL license study guide, pass rates are high.

You can find GROL testing locations through FCC-approved COLE managers like ETA International or W5YI-VEC. They have proctors available nationwide.

Some COLE managers offer remote proctoring, allowing you to take the GROL test online. Check with specific exam providers for availability.

The GROL license cost consists mainly of exam fees, which range from $35 to $60 per element depending on the testing center.

No, the GROL license is issued for the holder's lifetime and does not expire or require renewal.

Jobs requiring a GROL license include avionics technicians, marine radio operators, and field engineers maintaining radio towers.

The GROL exam has 100 questions total: 24 for Element 1 and 76 for Element 3.

No, you do not need a degree. You only need to pass the written exams to earn your FCC GROL certification.

While the GROL license is a US certification, it satisfies international treaty requirements for radio operators on US-flagged vessels traveling internationally.

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