Marine Radio Operator Permit: Element 1

1. A To change all VTS frequencies to Duplex so all vessels can receive maneuvering orders.
2. B To change all VHF channels from Duplex to Simplex while in U.S. waters.
3. C To change certain International Duplex channel assignments to simplex in the U.S. for VTS and other purposes.
4. D To change to NOAA weather channels and receive weather broadcasts while in the U.S.

Tip: press A-D to answer