A、正確接收到相鄰接的2個DX和1個RX B、正確接收到相鄰接的1個DX和2個RX C、正桷接收到相鄰接的3個DX D、正確接收到相鄰的3個RX
A、遇險/安全 B、遇險/全呼 C、全呼/安全 D、全呼/遇險
A、Distress/distress B、allship/Distress C、Distress/ALL ship D、All ship/All ship