66. DSC distress alert should direct to（ ）ln vicinity。
A: all stations
B: coast stations
C: ship stations nearby
D: group of specified stations
A: all stations
B: coast stations
C: ship stations nearby
D: group of specified stations
举一反三
- 170. Frequencies specified for MSI should be used by A: authorized coast stations to broadcast MSI B: a ship station to report MSI to a public coast station C: a ship station to transmit distress alert D: authorized coast stations to transmit distress acknowledgement
- What should be made known in the lists of coast and ship stations? A: the services of the stations open to public correspondence B: the information on charging C: what kind of the public correspondence D: A and B
- 143. Details of Coast Radio Station and Radar Stations and Read Stations can found in （ ）
- Public television stations are different form commercial stations _____.
- （ ）are utilized to relay Enhanced Group Calls A: COSPAS satellites. B: HF SITOR shore stations C: NAVTEX shore stations D: Inmarsat satellites.