143. Details of Coast Radio Station and Radar Stations and Read Stations can found in ( )
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
- 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
- 66. DSC distress alert should direct to( )ln vicinity。 A: all stations B: coast stations C: ship stations nearby D: group of specified stations
- ______ 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
- 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