In the SailQuiz app · 12 modules · 590+ questions
Marine Radio Short Range (SRC)
Quiz-based marine radio theory. Learn VHF operation, channels, distress, urgency and safety procedures, Digital Selective Calling (DSC), GMDSS, licensing, and practical radio procedures with clear explanations and exam-style scenarios.
Free to download · No account needed · Works offline
What's inside
- Licensing, Legal Framework, and Operator Responsibilities
- Radio Basics
- VHF Sets, Controls, Antennas, and Power
- Channel Plan and Working Channels
- Routine Radiotelephony Procedure, Prowords, and the Phonetic Alphabet
- DSC, MMSI, and Routine DSC Use
- Distress Procedures: DSC, MAYDAY, and Distress Relay
- Urgency, Safety, and Medical Assistance Procedures
- Coast Stations, Port Operations, Ship Movement, and Inter-Ship Traffic
- GMDSS, Sea Area A1, SAR, and MSI
- NAVTEX, EPIRB, SART, Handheld VHF, and Alerting Devices
- Testing, Watchkeeping, Best Practice, and Practical Exam Scenarios
Who it's for
Sailors preparing for an SRC/VHF radio certificate exam or refreshing correct distress, urgency, and routine radio procedures.
Follows the international SRC/GMDSS syllabus, including the phonetic alphabet, channel plan, and DSC procedures.
Topics covered
- VHF operation
- Channel plan
- MAYDAY & distress
- DSC & MMSI
- GMDSS
- Phonetic alphabet
- EPIRB & SART
- Radio licensing
How you'll study
- Exam-style quizzes with a clear explanation for every question
- Smart review that resurfaces what you get wrong
- Per-module mastery that shows when you're exam-ready
- Fully offline — study anywhere, no account needed
Study Marine Radio Short Range (SRC) in the SailQuiz app
590+ questions with explanations, smart review, and offline study — free to download.
SailQuiz is an independent study aid. It is not affiliated with, endorsed by, accredited by, or otherwise connected to the ASA, US Sailing, the RYA, the USCG, or any other certifying body, and it is not a substitute for their official training or examinations.