- A.CFEC
- B.SFCE
- C.ARQ
- D.以上均可
- A.MARITIME RADIO STATION
- B.GLOBAL MARITIME DISTRESS AND SAFETY SYSYTEM
- C.MATITIEM SAFETY INFORMATION SERVICES
- D.LIST OF RADIO SIGNALS
- A.OVER
- B.OUT
- C.BREAK
- D.EOC
- A.4-27.5MHz
- B.3-30MHz
- C.1.605-4MHz
- D.156-174MHz
- A.END
- B.ACK BQ
- C.ACK RQ
- D.ECC
- A.船台只能在海岸电台开放的国内DSC频率上呼叫;
- B.船台也可以在海岸电台开放的国际DSC频率上呼叫;
- C.船台在MF/HM波段收到海岸电台的DSC呼叫后,应在5s-4.5min内进行人工收妥确认。
- D.海岸电台收到船台的DSC测试呼叫后,应给予收妥确认,而不用进一步的通信。
- A.415–4000KHz
- B.4.0–27.5MHz
- C.30–60MHz
- D.156–174MHz
- A.4-27.5MHz
- B.3-30MHz
- C.9200-9500MHz
- D.156-174MHz
- A.HF无线电话和电传
- B.Inmarsat站的电话和电传
- C.MF/VHF无线电话和电传
- D.VHF/DSC
- A.CH16
- B.CH13
- C.CH06
- D.CH70