The quality of EGC messages is（）affected by the positio

单项选择题

The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.

A.sometimes
B.all times
C.never
D.partly

相关考题

单项选择题 As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

单项选择题 SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.

单项选择题 Ship-to-ship distress alerting should be conducted by（）.

GMDSS