The low polar orbiting satellite system provides the coverage of （ ）
A: Area A4
B: Area Aland A2
C: Area A3
D: Area Al. A2.A3and A4
A: Area A4
B: Area Aland A2
C: Area A3
D: Area Al. A2.A3and A4
举一反三
- 25. The-low polar orbiting satellite system provides the coverage of _ A: sea areas Al and A2 B: sea areas AJ, A2, A3 and A4 C: sea area A3 . D: sea area A4
- 23. The low polar orbiting satellite system provides the coverage of____. A: sea area A4 B: sea areas Al and A2 C: all over the world D: sea areas Al, A2, A3 and A4
- Area A2 is an area. excluding sea area Al. within the coverage of at least one( ) . A: VHF coast station B: MF coast station C: satellite D: RCC
- 智慧职教: Sea area A2 is an area within the coverage of at least one_________.
- ______ 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