Deck: Expired / Safety

1. A By the On Scene Coordinator (OSC)
2. B It is imposed by the High Seas Service (HSS) controlling the distress communications on that frequency or channel
3. C By the Coast Earth Station (CES) controlling the Distress communications on that frequency
4. D It is imposed by the Public Correspondence Station (PCS) controlling the distress communications on that frequency or channel

Tip: press A-D to answer