Safety of navigation Loran and LF 90-110 KHz Current Very Regional Carrier Fixed to mobile. Positioning Long e-Loran Long distance DGNSS MF 283.5 to 325 50/100 bps Current Medium. Regional. Digital Fixed to mobile. Augmentation Medium kHz of positioning distance AIS VHF 161.975 MHz 25 kHz Current Long International Data Mobile to Collision Line of (AIS 1) 9600 bps/ (Digital) mobile. avoidance, sight 162.025 MHz TDMA Fixed to mobile. Environmental LEO (AIS 2) Mobile to fixed. protection, Satellite Security, VTS, detection Augmentation for of positioning, tracking for navigational and safety related purposes. AIS AtoN VHF 161.975MHz 25 kHz Current Long International Data AtoN Navigational Line of (AIS 1) 9600 bps/ (Digital) (fixed/floating) to aid sight 162.025MHz TDMA mobile/shore (AIS 2) VHF voice VHF 156.025 to 25 kHz Current Long International Voice Mobile to Line of Mobile 161.950 MHz mobile. for Fixed to mobile. navigational Mobile to fixed. and safety related purposes GNSS UHF GPS: 1227.6 Current Long International MHz 1575.42 MHz GLONASS: Current Long International Global Digital Satellite to earth Positioning 1559-1610 coverage MHz 1240-1260 MHz
Safety of navigation Loran and e-Loran LF 90-110 KHz Current Very Long Regional Carrier Fixed to mobile. Positioning Long distance DGNSS MF 283.5 to 325 kHz 50/100 bps Current Medium. Regional. Digital Fixed to mobile. Augmentation of positioning Medium distance AIS VHF 161.975 MHz (AIS 1) 162.025 MHz (AIS 2) 25 kHz 9600 bps/ TDMA Current Long International Data (Digital) Mobile to mobile. Fixed to mobile. Mobile to fixed. Collision avoidance, Environmental protection, Security, VTS, Augmentation of positioning, for navigational and safety related purposes. Line of sight LEO Satellite detection for tracking AIS AtoN VHF 161.975MHz (AIS 1) 162.025MHz (AIS 2) 25 kHz 9600 bps/ TDMA Current Long International Data (Digital) AtoN (fixed/floating) to mobile/shore Navigational aid Line of sight VHF voice VHF Mobile 156.025 to 161.950 MHz 25 kHz Current Long International Voice Mobile to mobile. Fixed to mobile. Mobile to fixed. for navigational and safety related purposes Line of GNSS UHF GPS: 1227.6 MHz 1575.42 MHz GLONASS: 1559-1610 MHz 1240-1260 MHz Current Current Long Long International International Digital Satellite to earth Positioning Global coverage