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
A
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.
内容
- 0
34. Cospas-Sarsat comprises a several near polar orbiting satellites and一． A: a network of land based earth stations B: several coast stations C: an earth station D: some RCCs
- 1
4. Fire and abandon ship stations and duties may be found on the__________.
- 2
______ is sea area A2. A: An area within coverage of INMARSAT geostationary satellites B: An area, excluding sea area A1, within coverage of Medium Frequency (MF) coastal radio stations in which continuous DSC alerting is available C: An area within coverage of VHF coast radio stations in which continuous DSC alerting is available D: The extreme polar regions
- 3
Which stations are mentioned in the video clip?
- 4
The chief reason for building space stations was to ______.