Marine Radio Operator Permit: Element 1

1. A Alarm and health and welfare communications.
2. B Navigation hazards, meteorological warnings, priority traffic.
3. C Distress calls and signals, followed by communications preceded by Urgency and Safety signals and all other communications.
4. D Government precedence, messages concerning safety of life and protection of property, and traffic concerning grave and imminent danger.

Tip: press A-D to answer