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Glossary
Anti Blocking System
Address Circular
Action Item Clarification
Applicable Document
Architectural Design Review
Architectural Design Document
Acceptance Data Package
Analysis & Evaluation Segment
Air Force Cambridge Research Laboratories
Altitude Heading Reference System
Inspection Aircraft & Independent Positioning
Assembly, Integration and Verification
Assembly, Integration and Verification Plan
Air Navigation Service Provider
Advance Operational Capability
Atlantic Ocean Region
AOR East
Atlantic Ocean Region-West (INMARSAT III satellite)
Auto Pilot
Approach with Vertical Guidance
Aeronautical Radio, INC
Advanced Relay and Technology Mission Satellite
Advanced Research in TElecommunication Systems
Agence Spatiale Européenne or European Space Agency (ESA)
Abstract Syntax Notation One
Application Specific Qualification Facility
ASQF Requirements Document
Air Traffic Control
Air Traffic Management or Asynchronous Transfer Mode
Air Traffic Services
ATS Providers
All Weather Operations Panel
Barometric altitude
Bit Error Rate
Bureau International de l’Heure
Bureau International des Poids et Mesures
Built In Test Equipment
Band Pass Filter
Bit per second
Bipolar Phase Shift Key
Berlin RIMS
Baseline System Design Review
Consolidated BSDR
Board for Software Standardization & Control
Band Width
Control & Monitoring
Coarse Acquisition
C-band uplink frequency (C1 = 6.4 GHz)
C-band downlink frequency (C2 = 3.6 GHz)
Civil Aviation Authority
Centre for Advanced Aviation System Development
Configuration And Data Management
Compound Annual Rate of Growth
Category 1 Precision Approach Phase of Flight
Category 2 Precision Approach Phase of Flight
Configuration Control or Core Computer
Change Configuration Board or Configuration Control Board
Central Control Facility
Communications Control Interface
Comite Consultatif International Telegraphique et Telephonique or International Telephone and Telegraph Consultative Committee
Contract Change Notice
Course Deviation Indicator
Code Division Multiple Access
Critical Design Review
Communication Equipment
Commission of the European Union
Customer Furnished Item
Common Foreign and Security Policy
Channel of High Accuracy
Configuration Item
Configuration Items Data List
Conventional International Origin
Client representative
Compliant Multiple or Configuration Manager or Configuration Management
Configuration Management Office
Configuration Management Plan
Centre de Mission et Traitement (Euridis) or Commissioning and Maintenance Terminal
Change Notice
Centre National d’Etudes Spatiales
Communication Network Management System
Communications Navigation & Surveillance
Change Order
Certification Of Conformance
Certification of Qualification
Continuity Of Service
Commercial Off The Shelf
Central Processing Facility
Central Processing Unit
Change Request
Change Review Board
Cyclic Redundancy Check
Comment Response Documents (at EASA)
Channel of Standard Accuracy
Configuration Status Accounting Report
Containment Surface Incident
Channel Service Unit
Continuous Wave
Development Assurance level
Digital Audio Tape
Data Base
Document Change Notice
Display & Control Unit
Detailed Design
DD Review
DD Document
DD Key Point
Deutsche Flugsicherung GmbH (D)
Directorate-General for Agriculture and Rural Development
Directorate-General for Defence Industry and Space
Direction Generale Aviation Civile (F)
Differential GPS
Decision Height
Deliverable Items List
Design Justification File
Delay Lock Loop
Deutsche forschungsanstalt fur Luft – und Raumfahrt e.v.
Direct Memory Access
Distance Measuring Equipment
Depth of Coverage
Department Of Defence (US)
Dilution Of Precision
Department Of Transport
Data Processing Unit
Design Review
Data Recording Analysis and Corrective Action System
Differential RAIM
Document Requirements Description
Documentation Requirements List
Distance Root Mean Square
Data Replaceable Unit
Digital Signal Processing Unit
Design Simulation Segment
Data Service Unit
Development Verification Platform
DVP Requirements Document
European Association of Remote Sensing Companies
European Aviation Safety Agency
European Civil Aviation Conference
Electronic Chart Display and Information System
Earth Centred Earth Fixed
Engineering Change Order
Engineering Change Proposal
Engineering Change Request
External Change Review Board
Electronic Chart System
European Co-operation for Space Standardisation
EGNOS Data Access Service
EGNOS ILD Documentation Plan
Electrical Electronic Electromechanical
EGNOS End To End Simulation
EGNOS
European Geostationary Navigation Overlay Service
End Item Data Package
Equivalent Isotropic Radiated Power
Elevation
Electromagnetic Compatibility
EGNOS Maintenance Plan
Ente Nationale di Assistenze al Volo (Italy)
EGNOS Network Management Application
EGNOS Network Monitoring & Control
EGNOS Network Time
EGNOS Operators and Infrastructure Group
EGNOS Project Office
Erasable and Programmable Read Memory Only
EGNOS Prototype User Equipment
EPUE Requirements Document
EGNOS Requirements Allocation Matrix
European RadioNavigation Plan
European Space Agency
ESA Headquarters Paris
ESA Centre Spatial de Toulouse or ESA Toulouse Space Centre
Early System Demonstration & Verification (activities)
Electronics Support Measures
European Satellite Navigation Programme
EGNOS Standard Receiver Document
EGNOS System Simulation Facility
European Satellite Services Provider
EGNOS System Test Bed
European Space Research and Technology Centre (Noordwijk)
EGNOS Service Volume Simulator
Early Trials Final Meeting
European Tripartite Group
EGNOS Transport Management System
Early Test System
European Technical Standard Order
European Organisation for the Exploitation of Meteorological Satellites
European Organisation for Civil Aviation Equipment
Euro Quantum Communication Infrastructure
European Union Agency for the Space Programme
EGNOS Verification Plan
EGNOS Wide Area Network
EGNOS Wide Area Network
Federal Aviation Administration
Final Approach Fix
Future Air Navigation Systems
Fibber Distributed Data Interface
Failure Detection and Exclusion
Failure Detection and Isolation
Failure Detection , Isolation and Recovery
Frequency Division Multiple Access
Flight Director System
Forward Error Correction
Front End Communication Processor
(EWAN) Front End Equipment
Fast Fourier Transform
Flight Information Region
Factory Integration Validation Plan
Flight Level
Failure during Miss Approach Procedure
Failure Mode Effects & Criticality Analysis
Flight Management System
Full Operational Capability
FOC Transition File
Factory Qualification Plan
Factory Qualification Review
Frame Relay
Fault Tree Analysis
Flight Technical Error
Factory Test Readiness Review
Geostationary-Satellite Based Augmentation Systems
Ground Segment
Geostationary Broadcast Area
Ground Based Augmentation System
Geostationary Earth Orbit
Geolocation - Internet of Things
Ground Integrity Channel
Grid Ionospheric Vertical Delay
Grid Ionospheric Vertical Error
Global'naya Navigatsionnaya Sputnikovaya Sistema or Global Navigation Satellite System
Global Maritime Distress and Safety System
Geostationary Navigation Overlay Service
Global Navigation Satellite System
GNSS First Generation
GNNS Panel
Governmental Satellite Communications
General Packet Radio Services
Global Positioning System
Ground RAIM
Geostationary Ranging Stations or Geostationary Ranging System
GRS – Hartebeeshoek, South Africa
GRS – Kourou, Guyana
GRS – Singapore
GRS – Toulouse, France
Ground Speed or Ground Segment
European GNSS Agency
Geostationary Satellite Based Augmentation System
Ground Segment Communication Network
Global System for Mobile communications
Galileo Security Monitoring Centre
Ground Segment Requirements Document
Ground Segment Verification Plan
Graphical User Interface
GateWay
Gyroscope
Hardware
Horizontal Alarm Limit
HeaDIng
High Level Data Link Control
Horizontal Dilution Of Precision
Hard Disk Unit
Hosting Entity
Hazardous Invalid Data
Hazardous Misleading Information
Hand Over Word
High Power Amplifier
High Precision Landing or Horizontal Protection Level
Horizontal User Navigation Error
HardWare
Hardware Engineer
InterFace
Interference / Signal
International Association of Lighthouse Authorities
Interoperability Action Plan
International Air Transport Association
International Civil Aviation Organisation
Interface Control Board
Interface Control Document
Intermediate Circular Orbit
Interna Change Review Board
Internet Data Distribution
Integrated Design Functional model
International Earth Rotation Service
Intermediate Frequency
Identifier Friend (or Foe)
Ionospheric Grid Points
International GPS Service for Geodynalics
In Kind Delivery
Instrument Landing System or Integrated Logistics Support
International Maritime Organisation
Inmarsat Navigation Center
International MARitime SATellite
Inertial Navigation System
Initial Operational Capability
Issue Of Data or Issuance Of Data
Issuance Of Data Clock
Issuance Of Data Ephemeris
Issuance Of Data Ionosphere
Issuance Of Data PRN
Initial Operations Phase
INMARSAT III – Indian Ocean Region
Internet of Things
Internet Protocol
Ionospheric Pierce Point
Interface Requirements Document
Inertial Reference System
Integrated Services Digital Network
International Satellite Navigation System
International Organization for Standardization
In Service Operations Phase
Independent Software Verification and Validation
International Terrestrial Reference Frame
Invitation To Tender
International Time Unit
Joint Aviation Authorities
Joint Airworthiness Requirement
Joint Communications Board (ESA)
Joint Tripartite Committee
Joint Technical Standing Orders
Kilobits per second
Kick-Off
KO Meeting
L1-GPS frequency (L1 = 1575,42 MHz)
L2-GPS frequency (L1 = 1227,2 MHz)
Local Area Augmentation System
Local Area Differential
Local Area Differential GPS
Local Area Network
Link Access Procedure for Balanced circuits
Location-based services
Left Hand Circular
Left Hand Circular Position
Logistic Management Plan
Low Noise Amplifier
Local Oscillator
Line Of Code
Localiser Performance with Vertical Guidance
Low-Power Wide-Area Network
Line Replaceable Unit
Logistic Support Analysis
Least Significant Bit
Monitoring and Control
Mission Configuration Control Board
Minimum Aviation System Performance Standard
Mission Control Centre
Mission Control Centres
Master Control Centre (Primary)
Master Control Centre (Secondary)
Principal Master Control Centre
Backup Master Control Centre
MCC Requirements Document
Management & Control Unit
Miss Detection
Multipath Error
Multipath Estimating Delay Lock Loop
Minimum Equipment List
Medium Earth Orbit Search and Rescue system
Microwave Landing System
Master MEL
Man Machine Interface
Minimum Operational Performance Standard
Mission Performance Requirements
Material Review Board
Mission Requirements Document
Mission Requirements Review
Multi-transport Satellite-based Augmentation System
Most Significant Bit
Manager for in-SERvice phase
Maintenance Steering Group 3
Mediterranean Test Bed
Mean Time Between Failures
Mean Time Between Outages
Multi Transport SATellite
Mean Time To Restore an outage
Note Applicable
National Airspace System or National Air Space
National Air Traffic Services (UK)
NAVigation sub-system
Non Compliant
Network Control Centre
Network Control Management
Non-Conformance Report
Non-conformance Review Board
Non Integrity
Non-Integrity Hazardous Invalid Data
Navigation Land Earth Station
Backup to NLES-R
Backup to NLES-A
NLES – Aussagel France
NLES – Riesting Germany
NLES Requirements Document
Nautical Mile
Network Management Center
Network Management Facility
Network Operations Centre
Network Operation Control Centre
Notice To Airmen
Non Precision Approach
National Physical Laboratory
Navigation Service Availability
Navigation System Error
Number of Satellite Vehicles
Network
Network Requirements Document
Operation & Maintenance
Operating System
Operational & Certification Requirement
Orbit Designation
Operating Hazard Analysis
Operations Requirements Document
Operational Readiness Review
Open Service
Open Service
Open Service Navigation Message Authentication service
Open Systems Interconnection
Processing and Control
Programme Configuration Control Board
Product Assurance
Product Assurance
Performance Assessment and Check-out Platform
PACF Requirements Document
Packet Assembler-Disassembler
PA Engineer
PA Manager
Product Assurance Plan
Programme Board-Navigation (ESA)
Performance Budget Management File
Performance Based Navigation
Personal Computer
Position Dilution Of Precision
Project Development Plan
Preliminary Design Review
Probability of False Alarm
Power Flux Density
Project History Document
Packing, Handling, Storage & Transport Plan
Prime Item Development Specification
Progress Meeting or Preventive Maintenance or Project Management
Probability of Missed Detection
Project Management Plan
Pseudo Noise
Pacific Ocean Region
Present Position
Precise Point Positioning
Precise Positioning Service or Pulse Per Second
Pseudo-Range Error
Pseudo Random Noise
Public Regulated Service
Power Supply
Project/System Configuration Control Board
Project Safety Concern
Packet-Switched Public Data Network
Procedures, Standards and Specifications
Public Switched Telephone Network
Product Tree
Project Tracking Team
Portable Unit
Permanent Virtual Circuit
Procedure Verification Matrix
Position, Velocity, Time
Quality Assurance
Barometric pressure at runway threshold
Quality Management System
Quality of Service
Qualification Review
Ranging via GEO satellites
Regional Area Augmentation System
Receiver Autonomous Integrity Monitoring
Reliability Availability and Maintainability or Random Access Memory
Reliability Availability, Maintainability and Safety
Review Board
Ranging Control Facility
Revision Control System
Receiver
Requirements Document or Reference Document
Range Error Correction
Radio Frequency
RF Conversion or Request For Change
Request For Deviation
RF Down Converter
RF front End
Radio Frequency Interference
RF measurement LABoratory
Request For Quotation
Request For Waiver
Ranging and Ground Integrity Channel
Ranging Ground Segment
Right Hand Circularly polarised
Right Hand Circular Polarisation
Review Item Discrepancy
Ranging and Integrity Monitoring Station
RIMS Requirements Document
Root Mean Square
Radio NAVigation
Required Navigation Performance or Required Navigation Parameters
Review Of Design
Range Only Radar
Receiver Processing Unit
Range-Rate Corrections
Remote Station or Reference Station
Reference System Time
Radio Technical Commission for Aeronautics or Radio Technical Committee of America
Radio Technical Commission for Maritime Services
Real Time Kinematics
Real Time Operating System
Real-Time Simulation Segment
RESTREINT UE/EU RESTRICTED: the unauthorised disclosure of this information could be disadvantageous to the interests of the EU or one or more of the Member States.
Receiver
SpaceCraft
SoftWare
Selective Availability
Structure Analysis and Design Technical
Satellite Access Node
Standards And Recommended Practices
Surface Acoustic Wave
Satellite Based Augmentation System
Software Component
Software Component Acceptance Review
Special CATegory I
Satellite Control Centre
Station de Connexion et Localisation
Software Configuration Management
Software Configuration Management Plan
Software Change Order
Software Component Qualification Readiness Review
Software Change Request
Small Computer System Interface
System for Differential Corrections and Monitoring
Service Definition Document
Service Definition Document
System Definition Manual
EGNOS Subsystem Element
System Engineering Core Team
Set Kick Off
Support Equipment Plan
Single European Sky ATM Research
Support Facility Verification Plan
Soviet Geocentric System
Soviet Geodetic System
Signal In Space
Signal-in-Space
Site Integration Validation Plan
Service Level or Station de Localisation
Service Level 0
Service Level 1
Service Level Agreement (with network service provider)
System Level Requirements Document or SL Requirements Document
Software Modification Report
Satellite Navigation Application
Satellite Navigation Performance Analysis Software
Simple Network Management Protocol
Signal to Noise Ratio
Satellite Navigation Transponder
Spacecraft Operation Centre
Safety of Life
Safety of Life
Safety of Life At Sea
System Operation Plan
Statement Of Work
Simplified Position Accuracy Calculation Software
System Project Management
System Project Management Plan or Software Project Management Plan
Software Problem Report
Standard Positioning Service
Software Quality Assurance Plan
Software Query Language
System Qualification Plan
System Qualification Review
Standard Receiver or Software Requirements
Software Requirements Review
Static Random Access Memory
Software Review Board
System Requirements Document or Software Requirement Document
Software Release Note
Space Situational Awareness
Sub System Acceptance Review
Sub System Acceptance Test Review
Sub System CDR
System Segment Design Document
Sub System Factory Qualification Review
Sub System Kick Off
Sun Spot Number
Solid State Power Amplifier
Sub System PDR
Site Selection Review
Sub-System Requirements Document
Space Surveillance and Tracking
Sub System Test Readiness Review
System Testing
Software Transfer Document
R-GEO augmentation
GIC augmentation
WAD augmentation
Service Technique Navigation Aerienne (F)
System Test Readiness
System Test Readiness Review
SUpplier
SECRET UE/EU SECRET: the unauthorised disclosure of this information could seriously harm the essential interests of the EU or one or more of the Member States.
Software User Manual
Space Vehicle
Switch Virtual Circuit
System Verification Plan or Software Verification Plan or Subsystem Verification Plan
Space Vehicles
Software Verification and Validation Plan
SoftWare
SoftWare Project Manager
Software Replaceable Units
Test or Time
Thomson-CSF / Services et Systemes Sol Spatiaux
Terminal Adapter (ISDN modem)
True Air Speed
To Be Clarified or To Be Confirmed
To Be Defined or To Be Determined
Time Between Outages
To Be Studied or To Be Specified by the contractor
Transmission Control Protocol
Transmission Control Protocol/Internet Protocol
Test Engineer
Tender Evaluation Board
Total Electron Content
Task Force
NLES reference Time
True Heading
Team Leader
TeLeMetry
Target Level of Safety
TeleMetry
Technique Management Area
Technical Note on EGNOS overlay services
Operation Concept Document
Time Of Week
Time of Propagation
Traceability Report
Test Review Board
Time to Restore an Outage
Test Readiness Review
Transfer
Training Segment
Total System Error = ( NSE2 + FTE2)1/2
Test and Simulation Facilities
Technical Standard Order
Telemetry, Tracking and Command
Time to first fix
Test User Equipment
Transport Wide Area Network
Transmitter
Unmanned Aerial Vehicle
Unmanned Aerial Vehicles
User Datagram Protocol
User Differential Range Error
User Equipment Error
User Equivalent Range Error
Ultra High Frequency
User Ionospheric Vertical Delay
User Ionospheric Vertical Error
User Navigation Error
Uninterruptible Power Supply
User Requirements
User Requirements Review
User Range Accuracy
User Requirements Document
User Range Error
United States
Ultra-Small Aperture Terminal (satellites terminal)
User Segment Requirements Document
Coordinated Universal Time
Ultra-wideband
Vertical Alarm Limit
Verification Control Board
Vertical Dilution Of Precision
Visual Flight Rules
Visual Flight Rules
Very High Frequency
Very High Throughput Satellite
Vessel Monitoring System
Vertical Navigation System Error
VHF Omnidirectional Ranging
Vertical Position Error
Vertical Protection Level
Verification Requirements Document
Variable Rate Technologies
Very Small Aperture Terminal
Vertical Tropospheric compensation Error
Vessel Traffic Surveillance
Vertical User Navigation Error
Wide Area Augmentation System
Wide Area Correction
Wide Area Differential
Wide Area Differential Correction
Wide Area Differential GPS
Work Breakdown Structure
Wind Direction
World Geodesic System
World Geodetic System
Windows Icons Mouse Pointer
Week Number
WorkPackage
WorkPackage Description
Wind Speed