Marine Radio Operator Permit: Element 1

1. A The stations must change to an authorized working frequency for the transmission of messages.
2. B The stations must check the radio channel for Distress, Urgency and Safety calls at least once every ten minutes.
3. C Radiated power must be minimized so as not to interfere with other stations needing to use the channel.
4. D To expedite safety communications, the vessels must observe radio silence for two out of every fifteen minutes.

Tip: press A-D to answer