|
|
| Line 60: |
Line 60: |
| AWGN,Additive White Gaussian Noise | | AWGN,Additive White Gaussian Noise |
| AWOP,All Weather Operations Panel | | AWOP,All Weather Operations Panel |
| BC,Before Christ
| |
| BCS,Binary Coded Symbols
| |
| BDT,BeiDou Time
| |
| BI,Behavioral Interventions
| |
| BIE,Bureau International de l'Heure
| |
| BIH,From French: Bureau International de l'Heure
| |
| BIPM,Bureau International des Poids et Mesures
| |
| BLUE,Best Linear Unbiased Minimum-Variance Estimator
| |
| BM,Benchmark
| |
| BMCS,Backup Master Control Station
| |
| BOC,Binary Offset Carrier
| |
| BPSK,Binary Shift Phase Keying
| |
| BRS,Baricentric Reference System
| |
| C/A,Coarse/Acquisition
| |
| C/NAV,Commercial Navigation Message
| |
| CAASD,Center for Advanced Aviation System Development (MITRE)
| |
| CAES,Computer Aided Earthmoving System
| |
| CAN,Controller Area Network
| |
| CAR,Caribbean and South American region
| |
| CARERI,Chinese Aeronautical Radio Electronics Research Institute
| |
| CASM,Coherent Adaptive Sub-Carrier Modulation
| |
| CBCS,Composite Binary Coded Symbols
| |
| CBOC,Composite BOC
| |
| CCF,Central Control Facility
| |
| CCZ,Congestion Charge Zone
| |
| CDCM,Coastal Defense Cruise Missile
| |
| CDDIS,Crustal Dynamics Data Information System
| |
| CDDS,Commercial Data Distribution Service
| |
| CDMA,Code Division Multiple Access
| |
| CDTI,Cockpit Display of Traffic Information
| |
| CEP,Conventional Ephemeris Pole
| |
| CEP,Circular Error Probable
| |
| CF,Compact Flash
| |
| CFSP,Common Foreign and Security Policy
| |
| CGCS2000,China Geodetic Coordinate System 2000
| |
| CGSIC,Civil GPS Service Interface Committee
| |
| CHA,Channel of High Accuracy
| |
| CHAMP,CHAllenging Minisatellite Payload
| |
| CHARS,Customer Hierarchy And Reporting System
| |
| CIO,Conventional International Origin
| |
| CIP,Celestial Intermediate Pole
| |
| CIR,Cascading Integer Resolution
| |
| CIS,Conventional Inertial System
| |
| CL,Civil Long
| |
| CM,Civil Moderate
| |
| CMCF,Central Monitoring and Control Facility
| |
| CMR,Compact Measurement Record
| |
| CMSA,Cruise Missile Support Activity
| |
| CNAV,Civil NAVigation message
| |
| CNS,Communication Navigation Surveillance
| |
| CNSS,Compass Navigation Satellite System
| |
| CODE,Centre for Orbit Determination in Europe
| |
| CONUS,CONtinental United States
| |
| CORS,Continuously Operating Reference Stations
| |
| COSMIC,Constellation Observing System for Meteorology
| |
| CP,Circular Polarization
| |
| CPF,Central Processing Facility
| |
| CPFPS,Central Processing Facility Processing Set
| |
| CPN,Coloured Petri Nets
| |
| CPU,Central Processing Unit
| |
| CR,Council Resolution
| |
| CRC,Cyclic Redundancy Check
| |
| CRF,Celestial Reference Frame
| |
| CRS,Conventional Celestial Reference System
| |
| CRT,Cathode Ray Tube
| |
| CS,Commercial Service
| |
| CSA,Channel of Standard Accuracy
| |
| CSIM,Constellation Simulator
| |
| CSK,Code Shift Keying
| |
| CSRS,Canadian Spatial Reference System
| |
| CTP,Conventional Terrestrial Pole
| |
| CTS,Conventional Terrestrial System
| |
| CW,Continuous Wave
| |
| CWAAS,Canadian WAAS
| |
| DAB,Digital Audio Broadcasting
| |
| DAC,Digital-to-Analog Converters
| |
| DASS,Distress Alerting Satellite System
| |
| DCB,Differential Code Biases
| |
| DDMA,Doppler Division Multiple Access
| |
| DEOS,Delft Institute of Earth Observation and Space Systems
| |
| DF,Dual Frequency
| |
| DGNSS,Differential GNSS
| |
| DGPS,Differential GPS
| |
| DGRS,DGPS Reference Station
| |
| DH,Decision Height
| |
| DLL,Delay Lock Loop
| |
| DME,Distance Measuring Equipment
| |
| DoD,US Department of Defense
| |
| DOP,Dilution Of Precision
| |
| DOT,Department Of Transportation
| |
| DoY,Day-of-Year
| |
| DP,Dot Product
| |
| DSCS,Defense Satellite Communications System
| |
| DSNS,Differential Satellite Navigation Systems
| |
| DSP,Digital Signal Processor
| |
| DSPN,Direct Sequence Pseudo Noise
| |
| DSRC,Dedicated Short-Range Communications
| |
| DSSS,Direct Sequence Spread Spectrum
| |
| DVP,Development and Verification Platform
| |
| EASA,European Aviation Safety Agency
| |
| EC,European Commission
| |
| ECA,Error Characterization Approach
| |
| ECAC,European Civil Aviation Conference
| |
| ECAM,Electronic Centralised Aircraft Monitor
| |
| ECEF,Earth Centred Earth Fixed
| |
| ECI,Earth Centred Inertial
| |
| ECMWF,European Centre for Medium-Range Weather Forecasts
| |
| EDAS,EGNOS Data Access System
| |
| EDS,EGNOS Data Server
| |
| EEGS,EGNOS Extension to Eastern Europe
| |
| EETS,European Electronic Tolling Service
| |
| EFC,Electronic Fee Collection
| |
| EFIS,Electronic Flight Instrument System
| |
| EGNOS,European Geostationary Navigation Overlay System
| |
| EICAS,Engine Indications and Crew Alerting System
| |
| EIRP,Effective Isotropic Radiated Power
| |
| E-L,Early-Late
| |
| ELT,Emergency Location Terminal
| |
| EMLP,Early Minus Late Power
| |
| EMP,Electro-Magnetic Pulse
| |
| EMR,Energy Mines and Resources
| |
| EMT,Effective Monitor Threshold
| |
| ENC,European Navigation Conference
| |
| ENT,EGNOS Network Time
| |
| ENU,East North Up
| |
| EOL,End-Of-Life
| |
| EOP,Earth Orientation Parameters
| |
| EPFS,Electronic Position Fixing System
| |
| EPIRB,Emergency Position Indicating Radio Beacons
| |
| EPPP,Enhanced Precise Point Positioning
| |
| ERIS,External Regional Integrity Services
| |
| ERP,Earth Rotation Parameters
| |
| ERTMS,European Rail Traffic Management System
| |
| ESA,European Space Agency
| |
| ESDP,European Security and Defence Policy
| |
| ESOC,European Space Operations Centre
| |
| ESSP,European Satellite Service Provider
| |
| ESTB,EGNOS Test Bed
| |
| ET,Ephemeris Time
| |
| ETA,Estimated Time of Arrival
| |
| ETC,Electronic Tolling Collection
| |
| ETCS,European Train Control System
| |
| ETML,European Traffic Management Layer
| |
| ETSO,European Technical Standard Order
| |
| EU,European Union
| |
| EuCAP,European Conference on Antennas and Propagation
| |
| EWAN,EGNOS Wide Area Network
| |
| F/NAV,Freely accessible Navigation Message
| |
| FAA,Federal Aviation Administration
| |
| FAS,Final Approach Segments
| |
| FDE,Fault Detection and Exclusion
| |
| FDF,Flight Dynamics Facility
| |
| FDMA,Frequency Division Multiple Access
| |
| FEC,Forward Error Correction
| |
| FH,Faded-Harmonics
| |
| FIR,Flight Information Region
| |
| FIR,Finite Impulse Response
| |
| FKP,From German: Flaechen Korrektur Parameter
| |
| FLL,Frequency Lock Loop
| |
| FM,Frequency Modulation
| |
| FMS,Flight Management System
| |
| FOC,Full Operational Capability
| |
| FOP,Final Operational Phase
| |
| FPGA,Field Programmable Gate Array
| |
| F-PPP,Fast Precise Point Positioning
| |
| FTP,File Transfer Protocol
| |
| G/NAV,Governmental Navigation Message
| |
| GA,Ground Antennas
| |
| GACF,Ground Assets Control Facility
| |
| GADEROS,Galileo Demonstrator for Railway Operation System
| |
| gAGE,Research group of Astronomy and GEomatics
| |
| GAST,Greenwich Apparent Sidereal Time
| |
| GBAS,Ground-Based Augmentation System
| |
| GCC,Ground Control Centres
| |
| GCS,Ground Control Segment
| |
| GDOP,Geometric Dilution Of Precision
| |
| GEAS,GNSS Evolutionary Architecture Study
| |
| GEO,Geostationary Orbit
| |
| GESS,Galileo Experimental Sensor Stations
| |
| GGSP,Galileo Geodetic Service Provider
| |
| GIC,GNSS/Ground Integrity Channel
| |
| GIM,Global Ionospheric Maps
| |
| GIOVE,Galileo In-Orbit Validation Element
| |
| GIS,Geographic Information System
| |
| GIT,GNSS Implementation Team
| |
| GIVD,Grid Ionospheric Vertical Delay
| |
| GIVE,Grid Ionospheric Vertical Error
| |
| GIVEI,GIVE Indicators
| |
| GJU,Galileo Joint Undertaking
| |
| GLA,General Lighthouse Authorities
| |
| GLONASS,GLObal NAvigation Satellite System
| |
| GLONASST,GLONASS Time
| |
| GLP,Good Laboratory Practice
| |
| GLS,GNSS Landing System
| |
| GMDSS,Global Maritime Distress and Safety System
| |
| GMS,Ground Mission Segment
| |
| GMSK,Gaussian Minimum Shift Keying
| |
| GMST,Greenwich Mean Sidereal Time
| |
| GMT,Greenwich Mean Time
| |
| GNS,Global Navigation System
| |
| GNSS,Global Navigation Satellite System
| |
| GNSSP,GNSS Panel
| |
| GOC,Galileo Operating Company
| |
| GPRS,General Packet Radio Service
| |
| GPS,Global Positioning System
| |
| GPS/MET,Global Positioning System/Meteorology
| |
| GPSOC,GPS Operations Center
| |
| GPST,GPS Time
| |
| GPSW,GPS Wing
| |
| GRACE,Gravity Recovery And Climate Experiment
| |
| GRAPHIC,Group and Phase Ionospheric Calibration
| |
| GRAS,Ground-based Regional Augmentation System
| |
| GRS,Geodetic Reference System
| |
| GRSP,Galileo Geodetic Reference Service Provider
| |
| GSA,European GNSS Agency
| |
| GSLV,Geosynchronous Satellite Launch Vehicle
| |
| GSM,Global System for Mobile communication
| |
| GSO,Geostationary Satellites Orbit
| |
| GSS,Galileo Sensor Stations
| |
| GST,Galileo System Time
| |
| GTRF,Galileo Terrestrial Reference Frame
| |
| GUS,Ground Uplink Stations
| |
| HAL,Horizontal Alert Limit
| |
| HD,Hydrostatic Delay
| |
| HD,Hard Disk
| |
| HDOP,Horizontal Dilution Of Precision
| |
| HEO,Highly Elliptical Orbit
| |
| HF,High Frequency
| |
| HIS,High Integrity Service
| |
| HMI,Hazardous Misleading Information
| |
| HP,High Precision
| |
| HPA,High Power Amplifier
| |
| HPE,Horizontal Position Error
| |
| HPL,Horizontal Protection Level
| |
| HPPS,High Precision Positioning Service
| |
| HPS,High Precision Service
| |
| HTML,Hyper Text Markup Language
| |
| I/NAV,Integrity Navigation Message
| |
| IAEA,International Atomic Energy Agency
| |
| IAG,International Association of Geodesy
| |
| IAS,Institut Aero Spatial
| |
| IAU,International Astronomical Union
| |
| IBPL,Isotropy Based Protection Level
| |
| IBS,Integrated Bridge Systems
| |
| IC,Integrated Chips
| |
| ICAO,International Civil Aviation Organization
| |
| ICC,Institut Cartografic de Catalunya
| |
| ICD,Interface Control Document
| |
| ICG,International Committee on Global Navigation Satellite Systems
| |
| ICR,Isotropic Confidence Ratio
| |
| ICRF,International Celestial Reference Frame
| |
| ICRS,International Celestial Reference System
| |
| ICS,Internal Communication Subsystem
| |
| IDF,Ionospheric Disturbance Flag
| |
| IEP,Initial Experimental Phase
| |
| IERS,International Earth Rotation and Reference Systems Service
| |
| IF,Intermediate Frequencies
| |
| IGEX,International GLONASS EXperiment
| |
| IGP,Ionospheric Grid Point
| |
| IGS,International GNSS Service
| |
| IGSO,Inclined Geo-Synchronous Orbit
| |
| ILRS,IRNSS Laser Ranging Station
| |
| ILS,Instrument Landing Systems
| |
| IM,Inter Modulation
| |
| IMO,International Maritime Organization
| |
| IMU,Inertial Measurement Unit
| |
| INC,IRNSS Navigation Centre
| |
| INLUS,Indian Land Uplink Station
| |
| INMCC,Indian Master Control Center
| |
| INRES,Indian REference Stations
| |
| INS,Inertial Navigation System
| |
| IOC,Initial Operational Capability
| |
| IOD,Issues of Data
| |
| IODC,Issue of Data Clock
| |
| IODE,Issue Of Data Ephemeris
| |
| IODF,Issue Of Data Fast Corrections
| |
| IODI,Issue of Data IGP Mask
| |
| IODN,Issue of Data Navigation
| |
| IODP,Issue Of Data PRN mask
| |
| IODS,Issue of Data Service Message
| |
| ION,Institute Of Navigation
| |
| IONEX,IONosphere map EXchange format
| |
| ION-NTM,ION National Technical Meeting
| |
| IOR-W,Indian Ocean Region West
| |
| IOT,In-Orbit Test
| |
| IOV,In-Orbit Validation
| |
| IP,Internet Protocol
| |
| IPF,Integrity Processing Facility
| |
| IPP,Ionospheric Pierce Point
| |
| IRCDR,IRNSS CDMA Ranging Stations
| |
| IRDCN,IRNSS Data Communication Network
| |
| IRIMS,IRNSS Range and Integrity Monitoring Stations
| |
| IRN,Information Request Notice
| |
| IRNSS,Indian Regional Navigational Satellite System
| |
| IRNWT,IRNSS Timing Centre
| |
| IRTTC,IRNSS TTC and Uplinking Stations
| |
| ISI,Inter Symbol Interference
| |
| ISM,Integrity Support Message
| |
| ISRO,Indian Space Research Organization
| |
| ISS,International Space Station
| |
| ITR,International Terrestrial Reference
| |
| ITRF,International Terrestrial Reference Frame
| |
| ITRS,International Terrestrial Reference System
| |
| ITU,International Telecommunications Union
| |
| ITU-R,International Telecommunications Union Radiocommunication Sector
| |
| IWG,Interoperability Working Group
| |
| JAXA,Japan Aerospace Exploration Agency
| |
| JD,Julian Day
| |
| JLOC,Jammer Location
| |
| JMA,Japan Meteorological Agency
| |
| JPL,Jet Propulsion Laboratory
| |
| KH,Kelvin-Helmholtz
| |
| KMF,Key Management Facility
| |
| L2CL,L2 Civil Long
| |
| L2CM,L2 Civil Moderate
| |
| LAAS,Local Area Augmentation System
| |
| LAST,Local Apparent Sidereal Time
| |
| LBS,Location Based Services
| |
| LCA,Liability Critical Applications
| |
| LCD,Liquid Crystal Display
| |
| LEO,Low Earth Orbit
| |
| LEOP,Launch Early OPerations
| |
| LEX,Michibiki experimental signal
| |
| LFSR,Linear Feedback Shift Registers
| |
| LHCP,Left Hand Circular Polarization
| |
| LM,Local Mean
| |
| LMST,Local Mean Sidereal Time
| |
| LNA,Low Noise Amplifier
| |
| LNAV,Lateral Navigation
| |
| LO,Local Oscillator
| |
| LOC,Linear Offset Carrier
| |
| LOS,Line-Of-Sight
| |
| LP,Localizer Performance
| |
| LPV,Localizer Performance with Vertical guidance
| |
| LRIT,Long Range Identification and Tracking
| |
| LT,Long Term
| |
| LVP,Low Visibility Procedures
| |
| MASPS,Minimum Aviation System Performance Standards
| |
| MBOC,The Multiplexed Binary Offset Carrier
| |
| MCC,Mission Control Centers
| |
| MCS,Master Control Station
| |
| MCS,Multilevel Coded Spreading Symbols
| |
| MEAG,Mission Evolution Advisory Group
| |
| MEDLL,Multipath Estimating Delay Lock Loop
| |
| MEH,Marine Electronic Highway
| |
| MEO,Medium Earth Orbit
| |
| MEOSAR,Medium Earth Orbit Search And Rescue
| |
| METIS,Mediterranean Introduction of GNSS Services
| |
| MGF,Message Generation Facility
| |
| MHSS,Multiple Hypothesis Solution Separation
| |
| MI,Misleading Information
| |
| MJD,Modified Julian Day
| |
| MLS,Microwave Landing System
| |
| MLU,MRS Land User service
| |
| MM,Monument Marker
| |
| MMI,Man Machine Interface
| |
| MMSSS,Multi-Mode Spread-Spectrum Sub-carrier Modulation
| |
| MNAV,Military NAVigation Message
| |
| MOB,Man Overboard
| |
| MODIP,MOdified DIP latitude
| |
| MOPS,Minimum Operational Performance Specification
| |
| MPR,MultiPath Ratio
| |
| MPSK,Multiple Phase Shift Keying
| |
| MRA,Measurement Rejection Approach
| |
| MRS,Multi-Constellation Regional System
| |
| MS,Monitor Stations
| |
| MSAS,MTSAT Satellite Augmentation System
| |
| MSC,Mobile Satellite Communications
| |
| MSD,Minimum Set of Data
| |
| MSE,Mean-Square Error
| |
| MSF,Mission Support Facility
| |
| MSI,Misleading Signal-in-Space Information
| |
| MSK,Minimum Shift Keying
| |
| MSTID,Medium Scale Traveling Ionospheric Disturbances
| |
| MT,Military Tracking
| |
| MT,Message Type
| |
| MT0,Message Type 0
| |
| MT1,Message Type 1
| |
| MT2,Message Type 2
| |
| MT3,Message Type 3
| |
| MT4,Message Type 4
| |
| MT5,Message Type 5
| |
| MTPF,Maintenance and Training Platform
| |
| MTSAT,Multifunctional Transport Satellite
| |
| MUCF,Mission Uplink Control Facility
| |
| NAD83,North American Datum of 1983
| |
| NANUs,Notice Advisory to Navstar Users
| |
| NAPEOS,Navigation Package for Earth Observation Satellites
| |
| NAS,National Airspace System
| |
| NASA,National Aeronautics and Space Administration
| |
| NAV,Navigation Message
| |
| NAVCEN,NAVigation CENter
| |
| NCA,Non-Critical applications
| |
| NCO,Numerical Control Oscillators
| |
| NDB,Non-Directional Beacon
| |
| NDGPS,Nationwide Differential Global Positioning System
| |
| NELP,Non-coherent Early minus Late Power
| |
| NEU,North-East-Up
| |
| NGA,National Geospatial-Intelligency Agency
| |
| NIST,National Institute of Standards and Technology
| |
| NLES,Navigation Land Earth Stations
| |
| NLOS,Non Line Of Sight
| |
| NMCS,New Master Control Station
| |
| NMEA,National Marine Electronics Association
| |
| NOCC,National Operations Control Center
| |
| NOTAM,NOTice to AirMen
| |
| NPA,Non-Precision Approach
| |
| NPV,Non Precision Approach with vertical guidance
| |
| NRTK,Network RTK
| |
| NRZ,Non-Return to Zero
| |
| NSE,Navigation System Error
| |
| NSP,Navigation System Panel
| |
| NSU,Navigation Signal generator Unit
| |
| NSV,Near Space Vehicle
| |
| NTRIP,Networked Transport of RTCM via Internet Protocol
| |
| OA,Operational Advisories
| |
| OBD,On-Board diagnostics
| |
| OBU,On Board Unit
| |
| OCC,Operational Control Centers
| |
| OCS,Operational Control System
| |
| OCX,Operational Control Segment
| |
| OD&TS,Orbit Determination and Time Synchronisation
| |
| ODTS,Orbit Determination and Time Synchronisation
| |
| OEM,Original Equipment Manufacturer
| |
| OLAF,from French: Office de Lutte Anti-Fraude
| |
| ONCE,Spanish organisation for the blind
| |
| OPF,Operations Preparation Facility
| |
| OQPSK,Offset QPSK
| |
| ORMS,Orbiter and Radio Metric Systems
| |
| OS,Open Service
| |
| OS,Operative System
| |
| OSD,Open Signal Data
| |
| OSP,Open Signal Pilot
| |
| OSPF,Orbit determination and Synchronization Processing Facility
| |
| OTF,On-The-Fly
| |
| PA,Precision Approach
| |
| PACF,Performance Assessment and Checkout Facility
| |
| PANS,Procedures for Air Navigation Services
| |
| PAYD,Pay-As-You-Drive
| |
| PBN,Performance-Based Navigation
| |
| PCV,Phase Centre Variations
| |
| PDA,Personal Digital Assistant
| |
| PDF,Portable Document Format
| |
| PDM,Position Domain Monitoring
| |
| PDOP,Position Dilution Of Precision
| |
| PE,Protection Error
| |
| PFD,Primary Flight Display
| |
| PL,Protection Level
| |
| PLANS,Position Location and Navigation Symposium
| |
| PLL,Phase Lock Loop
| |
| PM,Phase Modulation
| |
| PND,Portable Navigation Devices
| |
| PNG,Portable Network Graphics
| |
| PNT,Positioning
| |
| POD,Precise Orbit Determination
| |
| POI,Point Of Interest
| |
| PPP,Precise Point Positioning
| |
| PPS,Precise Point Service
| |
| PR,Pseudo Random
| |
| PRN,Pseudo-Random Noise
| |
| PRS,Public Regulated Service
| |
| PRTODTS,Precise Real Time Orbit Determination and Time Synchronization
| |
| PS,Precision Service
| |
| PSD,Power Spectral Density
| |
| PSK,Phase-Shift Keying
| |
| PSTD,Pseudospectral Time-Domain
| |
| PTC,Positive Train Control
| |
| PTF,Precision Timing Facility
| |
| PTP,Point-To-Point
| |
| PVT,Position
| |
| PZ-90,Parametry Zemli 1990 (Parameters of the Earth 1990)
| |
| QOS,Quality Of Service
| |
| QPSK,Quadrature Phase-Shift Keying
| |
| QPSM,Quadrature Product Sub-carrier Modulation
| |
| QZSS,Quasi-Zenith Satellite System
| |
| RAAN,Right Ascension of the Ascending Node
| |
| RAIM,Receiver Autonomous Integrity Monitoring
| |
| RC,Rased Cosine
| |
| RCF,Raised Cosine Filter
| |
| RDS,Radio Data System
| |
| RDSS,Radio Determination Satellite Service
| |
| RECs,Regional Economic Communities
| |
| RF,Radio Frequency
| |
| RFC,Radio Frequency Compatibility
| |
| RFI,Radio Frequency Interference
| |
| RFID,Radio-Frequency Identification
| |
| RHCP,Right Hand Circular Polarization
| |
| RICS,Royal Institution of Chartered Surveyors
| |
| RIMS,Ranging Integrity Monitoring Stations
| |
| RINEX,Receiver INdependent EXchange format
| |
| RK4,4th order Runge-Kutta
| |
| RMS,Root Mean Square
| |
| RNAV,aRea NAVigation
| |
| RNP,Required Navigation Performance
| |
| RNSS,Radionavigation Satellite System
| |
| RRAIM,Relative RAIM
| |
| RRC,Range Rate Corrections
| |
| RRC,Root Raised Cosine
| |
| RSA,Russian Space Agency
| |
| RSIM,Reference Stations and Integrity Monitors
| |
| RSN,Reference Stations Network
| |
| RTCM,Radio Technical Commission for Maritime Services
| |
| RTK,Real-Time Kinematics
| |
| RUC,Road User Charging
| |
| RX,Receiver
| |
| S/A,Selective Availability
| |
| SA,Select Availability
| |
| SAIF,Submeter-class Augmentation with Integrity Function
| |
| SAM,South America Region
| |
| SAR,Search and Rescue
| |
| SARPs,Standard and Recommended Practices
| |
| SBAS,Satellite-Based Augmentation System
| |
| SBCS,Sinusoidal Binary Coded Symbols
| |
| SCA,Safety Critical Applications
| |
| SCC,System Control Centre
| |
| SCC,Spacecraft Control Centre
| |
| SCCF,Spacecraft and Constellation Control Facility
| |
| SCPF,Spacecraft and Constellation Planning Facility
| |
| SDA,System Design Approval
| |
| SDCM,System of Differentional Correction and Monitoring
| |
| SDD,Service Definition Document
| |
| SDR,Software Defined Radio
| |
| SEP,Spherical Error Probable
| |
| SF,Single Frequency
| |
| SGLS,Space Ground Link Subsystem
| |
| SI,International System of Physical Units
| |
| SINEX,Solution (Software/technique) INdependent EXchange format
| |
| SIS,Signal In Space
| |
| SISA,Signal-in-Space Accuracy
| |
| SISE,SIS Error
| |
| SISMA,SIS Monitoring Accuracy
| |
| SLR,Satellite Laser Ranging Station
| |
| SMCS,Sinusoidal Multilevel Coded Symbol
| |
| SMS,Short Message Service
| |
| SNAS,Satellite Navigation Augmentation System
| |
| SNIR,Signal to Noise plus Interference Ratio
| |
| SNR,Signal to Noise Ratio
| |
| SNT,SBAS Network Time
| |
| SOC,Sinusoidal Binary Offset Carrier
| |
| SoL,Safety-of-Life
| |
| SOLAS,Safety of Life at Sea
| |
| SOTDMA,Self-Organizing Time Division Multiple Access
| |
| SP,Service Provider
| |
| SP3,Standard Product #3
| |
| SPAC,Satellite Positioning Research and Application Center
| |
| SPD,Slant Path Delay
| |
| SPEED,Support Platform for EGNOS Evolutions and Demonstrations
| |
| SPF,Service Product Facility
| |
| SPP,Standard Point Positioning
| |
| SPS,Standard Positioning Service
| |
| SQM,Signal Quality Monitoring
| |
| SRD,System Requirement Document
| |
| SRIF,Square-Root Information Filtering
| |
| SRRC,Square-Root Raised Cosine
| |
| SS,Spread Spectrum
| |
| SSC,Spectral Separation Coefficient
| |
| SSEG,Space Segment
| |
| SSTL,Surrey Satellite Technology Ltd.
| |
| ST,Short Term
| |
| STC,aircraft Supplemental Type Certificates
| |
| STEC,Slant Total Electron Content
| |
| STF,Signal Task Force
| |
| SU,Soviet Union
| |
| SUPPs,regional SUPplementary Procedures
| |
| SV,Space Vehicle
| |
| SVN,Space Vehicle Number
| |
| SW,Synchronization Words
| |
| SW,Software
| |
| TACAN,TACtical Air Navigation
| |
| TAI,From French: Temps Atomique International
| |
| TBD,see TCB
| |
| TCA,Terminal Control Area
| |
| TCAR,Three-Carrier Ambiguity Resolution
| |
| TCAS,Traffic Collision Avoidance System
| |
| TCB,from French: Temps Coordonnee Barycentrique
| |
| TCG,from French: Temps Coordonnee Geocentrique
| |
| TDARDS,Truth Data Acquisition
| |
| TDB,from French: Temps Dinamique Barycentrique
| |
| TDOP,Time Dilution Of Precision
| |
| TDS,Technology Demonstration System
| |
| TDT,Terrestrial Dynamic Time
| |
| TEC,Total Electron Content
| |
| TECU,Total Electron Content Unit
| |
| TGD,Total Group Delay
| |
| TLM,TeLeMetry
| |
| TLS,Target Level of Safety
| |
| TMBOC,Time-Multiplexed BOC
| |
| TMR,Triple Modular Redundancy
| |
| TOW,Time Of Week
| |
| TRF,Terrestrial Reference Frame
| |
| TRS,Conventional Terrestrial Reference System
| |
| TS,Time Synchronisation
| |
| TSO,Technical Standard Order
| |
| TT,Terrestrial Time
| |
| TT&C,Telemetry
| |
| TTA,Time-To-Alert
| |
| TTC,Telemetry
| |
| TTFF,Time To First Fix
| |
| TUS,Test User Segment
| |
| TV,Television
| |
| TX,Transmitter
| |
| U.S.,United States
| |
| UAV,Unmanned Aerial Vehicle
| |
| UCAR,University Corporation of Atmospheric Research
| |
| UDRE,User Differential Range Error
| |
| UDREI,UDRE Indicator
| |
| UEN,Up-East-North
| |
| UERE,User Equivalent Range Error
| |
| UIRE,User Ionospheric Range Error
| |
| UK,United Kingdom
| |
| ULS,Mission Uplink Stations
| |
| UMTS,Universal Mobile Telecommunications System
| |
| UNB,University of New Brunswick
| |
| UNE,Up North East
| |
| UNECA,United Nations Economic Commission for Africa
| |
| UNISPACE,United Nations Conference on the Exploration and Peaceful Uses of Outer Space
| |
| UPC,Technical University of Catalonia
| |
| URA,User Range Accuracy
| |
| URE,User Range Error
| |
| US,United States
| |
| USA,United States of America
| |
| USB,Universal Serial Bus
| |
| USCG,U.S. Coast Guard
| |
| USNDS,US Nuclear Detonation (NuDet) Detection System
| |
| USNO,United States Naval Observatory
| |
| UT,Universal Time
| |
| UT0,Universal Time 0
| |
| UT1,Universal Time 1
| |
| UT2,Universal Time 2
| |
| UTC,Universal Time Coordinated
| |
| UV,Ultra Violet
| |
| VAL,Vertical Alert Limit
| |
| VDB,VHF Data Broadcast
| |
| VDLL,Vector DLL
| |
| VDOP,Vertical Dilution Of Precision
| |
| VE,Very Early
| |
| VHF,Very High Frequency
| |
| VL,Very Late
| |
| VLBI,Very Long Baseline Interferometry
| |
| VNAV,Vertical Navigation
| |
| VOR,VHF Omnidirectional Range
| |
| VPE,Vertical Position Error
| |
| VPL,Vertical Protection Level
| |
| VRS,Virtual Reference Station
| |
| VTS,Vessel Traffic Service
| |
| WAAS,Wide Area Augmentation System
| |
| WAD,Wide Area Differential
| |
| WADGPS,Wide Area Differential GPS
| |
| WAGE,Wide Area GPS Enhancements
| |
| WAN,Wide Area Network
| |
| WAP,Wireless Application Protocol
| |
| WARTK,Wide Area Real-Time Kinematics
| |
| WARTK-EGAL,Wide Area Real-Time Kinematics based on EGNOS and Galileo
| |
| WG,World Geodetic
| |
| WG,Working Group
| |
| WGS,World Geodetic System
| |
| WGS84,World Geodetic System 84
| |
| WLS,Weighted Least Square
| |
| WMS,WAAS Master Station
| |
| WRC,World Radio Conference
| |
| WRS,Wide-area Reference Stations
| |
| XPE,Vertical/ Horizontal Protection Error
| |
| XPL,Vertical/ Horizontal Protection Level
| |
| ZHD,Zenith Hydrostatic Delay
| |
| ZPD,Zenith Path Delay
| |
| ZTD,Zenith Tropospheric Delay
| |
| ZWD,Zenith Wet Delay
| |
| </includeonly> | | </includeonly> |