Free GROL Exam Prep
FCC General Radiotelephone Operator License (GROL)
Prepare for the GROL exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
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GROL FCC Radio Operator Licenses License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Get Your FRN and Study Element 1You are here
Create your FCC account and FRN at CORES. Study Element 1 covering basic radio law and operating practice. This is the easier exam with 24 questions.
Master Electrical Fundamentals (Element 3)
Study Ohm's Law, AC/DC circuits, power calculations, impedance, resonance, and decibel math. These form the foundation for all other topics.
Learn Components and Practical Circuits
Study transistors, diodes, transformers, receivers, transmitters, oscillators, power supplies, and modulation techniques.
Study Antennas, Propagation, and Safety
Cover antenna types, feed lines, SWR, radio wave propagation modes, RF safety, and FCC regulations.
Practice Exams and Schedule Test
Take full-length practice exams, review weak areas, and schedule your exam with a COLEM. Target 85%+ on practice tests before sitting for the real exam.
Can You Take the GROL Exam?
Check if you meet the basic eligibility requirements
- •Must be a legal resident of or otherwise eligible for employment in the United States
- •Must be able to transmit and receive spoken messages in English
- •Must obtain an FCC Registration Number (FRN) before testing
- •Must pass exams through an FCC-authorized COLEM (not administered by FCC directly)
- •Proof of Passing Certificate (PPC) must be filed within 365 days of issuance
- •No minimum age requirement
GROL Quick Facts
Time to Get Licensed
4-8 weeks for most candidates
From start to license in hand
Exam Provider
COLEMs (ETA International, Exemplar Global/iNARTE, ISCET, Mariners Learning System, and others)
Retake Policy
No mandatory waiting period before retesting; must pay COLEM exam fee again for each attempt
Total Cost Breakdown
Free GROL Prep Tools
Reported exam pass rate: Not publicly reported by FCC. Check the exam sponsor for the latest official figure.
100 Practice Questions
Covers all Element 3 content domains with detailed explanations
AI-Powered Hints
Get contextual hints and wrong-answer explanations powered by AI
Updated for 2026
Reflects current FCC Element 3 question pool and exam format
100% Free
All 100 practice questions are free — no account required
What You'll Study
23 chapters covering the exam topics in this guide
Introduction & GROL Exam Overview
2 sections
Element 1: Rules & Regulations
5 sections
Element 1: Communications Procedures
5 sections
Element 1: Equipment Operations
6 sections
Element 1: Other Equipment & Antennas
6 sections
Element 3: Electrical Principles
7 sections
Element 3: Electrical Math
7 sections
Element 3: Circuit Components — Passives & Power Devices
3 sections
Element 3: Active Components — Transistors & Devices
3 sections
Element 3: Practical Circuits — RLC, Op Amps & Schematics
3 sections
Element 3: Digital Logic
8 sections
Element 3: Receivers
7 sections
Element 3: Transmitters
3 sections
Element 3: Signals, Emissions & Modulation
3 sections
Element 3: Power Sources
2 sections
Element 3: Antennas & Feed Lines
4 sections
Element 3 Background: Propagation & Radio Practice
3 sections
Element 3: Aircraft Radio Navigation Systems
3 sections
Element 3: Installation, Maintenance & Repair
8 sections
Element 3: Communications Technology & Marine Systems
5 sections
Element 3: RADAR & Satellite Systems
8 sections
Element 3: RF & Electrical Safety
2 sections
Study Strategy & Exam Day
1 sections
GROL Exam Details
FCC General Radiotelephone Operator License (GROL)
Administered by Federal Communications Commission (FCC)
Exam Content Breakdown
Based on the official Federal Communications Commission (FCC) content outline
Ohm's Law, AC/DC circuit theory, power calculations, impedance, resonance, time constants, and decibel calculations
Resistors, capacitors, inductors, transformers, diodes, transistors (BJT and FET), SCRs, and digital logic circuits
Receivers, transmitters, oscillators, amplifiers, power supplies, filters, modulators, and demodulators
AM, FM, SSB modulation techniques, bandwidth, deviation, pre-emphasis/de-emphasis, and signal characteristics
Antenna types, radiation patterns, transmission lines, SWR, impedance matching, and waveguides
Ground wave, sky wave, line-of-sight propagation, ionospheric layers, MUF, and multipath effects
Maritime and aviation radio procedures, distress communications, phonetic alphabet, and two-way radio systems
Licensing requirements, FCC regulations, harmful interference rules, station identification, and enforcement
RF radiation exposure limits, electrical safety, high-voltage precautions, and equipment safety practices
What's Included
23 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
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What's Next After the GROL?
After passing the GROL, you can pursue these career paths
GROL + Ship Radar
Add Element 8 for Ship Radar Endorsement — required for maintaining marine radar equipment
GMDSS Radio Maintainer
Add Elements 1, 3, and 9 for GMDSS Radio Maintainer License
SBE Certification
Society of Broadcast Engineers certifications for broadcast engineering careers
CompTIA Network+
Add networking credentials for IT/telecommunications roles
GROL Exam FAQ
Official Federal Communications Commission (FCC) Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free GROL Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.