GNSS ABBREVIATIONS AND ACRONYMS ABCDEFGHIJKLMNOPQRSTUVWXYZ A A A-J or A/J A-S AAIM ABS AC ACI ACK AD ADAS AD/R ADD ADP AENA AES AFCL AHRS AIM AIR AIS AIV AIVP AL AltBOC ANBF AOC AOR AOR-E AOR-W AP API A-PRS APV(-I) AQUA ARAIM ARINC ARN(S)S ARP Analysis Anti-Jamming Anti-Spoofing Aircraft Autonomous Integrity Monitoring Anti Blocking System Address Circular Action Item Clarification Acknowledgment Applicable Document Advanced Driving Assistance System Architectural Design Review Architectural Design Document Acceptance Data Package Aeropuertos Espańoles y Navegación Aérea (Spain) Analysis & Evaluation Segment or Advanced Encryption Standard Air Force Cambridge research Laboratory Altitude Heading Reference System Advanced Interference Mitigation (technology) Inspection Aircraft & Independent Positioning Automatic Identification System or Automated Information System Assembly, Integration and Verification Assembly, Integration and Verification Plan Alert Limit Alternace Bojary Offset Carrier Adaptive Narrow Band Filter Advanced Operational Capability Atlantic Ocean Region AOR Est Atlantic Ocean Region-West (INMARSAT III satellite) Auto Pilot or Access Point Application Programmes Interface Assisted Approach Procedure/Operations with Vertical Guidance Appropriately Qualified Authority Advanced Receiver/Ranging Autonomous Integrity Monitoring Aeronautical Radio, INC Aeronautical Radio Navigation (Satellite) Services Address Resolution Protocol ARTEMIS ARTES ASE ASIC Advanced Relay and Technology Mission Satellite Advanced Research in TElecommunication Systems Agence Spatiale Europeenne Application/Algorithm Specific/Specified Integrated Circuit/Chip or Advanced System Integrated Circuit ASMKS (CZE) Automatizovaný Systém Monitorování Kmitočtového Spektra ASQF Application Specific Qualification Facility ASQFRD ASQF Requirements Document AT Acceptance Testing ATC Air Traffic Control ATL Approval To Lunch or Authorization To Launch ATM Air Traffic Management or Asynchronous Transfer Mode ATS Air Traffic Services ATSP ATS Providers AWOP All Weather Operations Panel B Baro BAFO BBKME BER BG BGD BGP BIH BIPM BITE BIOS BME BOC BPF Bps BPS BPSK BSDR BSDR-C BSSC BW Barometric altitude Best And Final Offer Black Box Key Management Equipment Bit Error Rate Battle Group (bojové uskupení) Broadcast Group Delay Border Gateway Protocol Bureau International de l’Heure Bureau International des Poids et Mesures Built In Test Equipment Basic Input/Output System Bandwidth Manager Equipment Binary Offset Carrier Band Pass Filter Bit per second Boundary Protection Services Bipolar Phase Shift Key or Binary Phase Shift Keying Baseline System Design Review Consolidated BSDR Board for Software Standardization & Control Band Width C C C&M C/A C/S Compliant or Confidential Control & Monitoring Coarse Acquisition Cospass/Sarsat C1 C2 CAA CAASD CADM CAPEX CAS CAT-1 CAT-2 CBCS CBR CBS CC CCB CCF CCI CCITT (FRA) CCN CCTV CDA CDI CDMA CDR CE CEU CFI CFIT CFSP CHA CI CIDL CIL CIO CIP CIS CIWIN CL CM CMO CMP CMT (FRA or ENG) C-band uplink frequency (C1 = 6,4 GHz) C-band downlink frequency (C2 = 3,6 GHz) Civil Aviation Authority or Crypto Approval Authority Centre for Advanced Aviation System Development Configuration And Data Management Capability Expenditures Controlled Access Service Category 1 Precision Approach Phase of Flight Category 2 Precision Approach Phase of Flight Coordination Baseline Configuration Status Constant Bit Rate Cost Breakdown Structure Configuration Control or Core Computer or Common Criteria Change Configuration Board or Configuration Control Board Central Control Facility Communications Control Interface or Cryptographic Controlled Item Comite Consultatif International Telegraphique et Telephonique (International Telephone and Telegraph Consultative Committee) Contract Change Notice Closed Circuit Television Crypto Distribution Authority Course Deviation Indicator Code Division Multiple Access Critical Design Review Communication Equipment Commission of the European Union Customer Furnished Item Controlled Flight Into Terrain Common Foreign and Security Policy Channel of High Accuracy Configuration Item or Controlled Item (také CCI) or Critical Infrastructure Configuration Items Data List Critical Items List or Configuration Items List Conventional International Origin Critical Infrastructure Protection Communication and Information Systems Critical Infrastructure Warning Information Network 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 CMS CN CNES CNMS CNS CO COC COMSEC CONOPS COREPER (FRA) COQ COSPAS (RUS) COS COTS CPF CPU CR CRB CRC CRD CRPA CS CSA CSAR CSC CSE CSI Common Minimum Standards Change Notice Centre National d’Etudes Spatiales Communication Network Management System Communications Navigation & Surveillance Change Order Certification Of Conformance Communications Security Concept of Operations COmité de REprésentants PERmanents (EU Council) Certification of Qualification CSP CSU CUI CW Continuity Of Service Commercial Off The Shelf Central Processing Facility Central Processing Unit Change Request Change Review Board Cyclic Redundancy Check Certification Requirements Document Controlled Reception/Radiation Pattern Antenna (Galileo) Commercial Service Channel of Standard Accuracy Configuration Status Accounting Report Council Security Committee (EU) or Cospass-Sarsat Council Community Security Environment Containment Surface Incident or Compatibility, Signal and Interoperability (WG) Communications Service Provider Channel Service Unit Controlled Unclassified Information Continuous Wave D D D&E DAE DAGR DAL DASS DAT DB Demonstration Demonstration and Evaluation Digital Antenna Electronics Defense Advanced GPS Receiver Development Assurance Level Distress Alert(ing) Satellite System Digital Audio Tape Data Base DCN DCU DD DD/R DDD DDF DDKP DDVP DFS (GER) DGAC (FRA) DGPS DG TREN DH DIL DJF DLL DLR (GER) DMA DME DMZ DoC DoD DOP DOT DPU DR DRACAS DRAIM DRD DRL DRMS DRR DRU DSA DSPU DSRC DSS DSU DVP DVPRD Document Change Notice Display & Control Unit Detailed Design DD Review DD Document Design Definition File DD Key Point Design Development and Validation Plan Deutsche Flugsicherung GmbH Direction Generale Aviation Civile Differential GPS Directorat-General Energy and Transport Decision Height Deliverable Items List Design Justification File Delay Lock Loop (smyčka sledování zpoždění) Deutsche forschungsanstalt fur Luft- und Raumfahrt e.v. Direct Memory Access Distance Measuring Equipment (aviation navigation equipment) Demilitarized Zone (IT – zabezpečení LAN proti přístupu z vnějšku) 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 Detailed Design Review Data Replaceable Unit Designated Security Authority Digital Signal Processing Unit Dedicated Short Range Communications Design Simulation Segment Data Service Unit Development Verification Platform DVP Requirements Document E EAL EC Evaluation Assurance Level (0-7) European Commission ECAC ECDIS ECEF ECI ECO ECP ECR ECRB ECS ECSC ECSS EDA EDAS EDP EEC EEE EETES EFC EGEP EGN EGNOS EIDP EIRP EISC EKMS EL ELT EMI EMC EMCA EMP EMRF EMS ENAV ENMA ENMC ENT EOC EOD EOIG E-OTD EOY EPCIP EPIRB European Civil Aviation Conference Electronic Chart Display and Information System Earth Centered Earth Fixed European Critical Infrastructure Engineering Change Order Engineering Change Proposal Engineering Change Request External Change Review Board Electronic Chart System European Coal and Steel Community European Cooperation for Space Standardisation European Defence Agency EGNOS Data Access System/Server EGNOS ILD Documentation Plan European Economic Community Electrical Electronic Electromechanical EGNOS End To End Simulation Electronic Fee Collection European GNSS Evolution Programme EGNOS European Geostationary Navigation Overlay Service End Item Data Package Equivalent Isotropic Radiated Power European Interparliamentary Space Conference Electronic Key Management System Elevation Emergency Location Terminal Electromagnetic Interference Electromagnetic Compatibility European Maritime Core Area EGNOS Maintenance Plan European Maritime Radionavigation Forum EGNOS Message Server Ente Nationale di Assistenze al Volo (Italy) EGNOS Network Management Application EGNOS Network Monitoring & Control EGNOS Network Time End of Contract End of Deployment EGNOS Operators and Infrastructure Group Enhanced-Observed Time Difference End of the Year European Programme for Critical Infrastructure Protection Emergency Position Indicating Radio Beacon EPO EPROM EPUE EPUERD ERA ERAM ERIS ERNP ERTMS ESA ESA-CST ESA HQ ESCC ESDP ESDV ESE ESM ESNP ESRRD ESSF ESSP ESTB ESTEC ESVS ETE ETFM ETG ETMS ETS EVP EU EUCI EUMS EURATOM EUROCAE Eurocontrol EUSR EW EWAN EWG EGNOS Project Office Erasable and Programmable Read Memory Only EGNOS Prototype User Equipment EPUE Requirements Document Emergency Response in case of Accidents EGNOS Requirements Allocation Matrix External Regional Integrity System/Service European RadioNavigation Plan European Rail Traffic Management System European Space Agency ESA Centre Spatial de Toulouse ESA Headquarters Paris External Satellite Control Centre European Security and Defence Policy Early System Demonstration & Verification (activities) Electronic Security Environment Electronics Support Measures European Satellite Navigation Programme EGNOS Standard Receiver Document EGNOS System Simulation Facility European Satellite Service Provider (EGNOS) EGNOS System Test Bed European Space Research and Technology Centre (Noordwijk) EGNOS Service Volume Simulator Engineering Tool Environment Early Trials Final Meeting European Tripartite Group EGNOS Transport Management System Early Test System EGNOS Verification Plan European Union EU Classified Information EU Military Staff European Atomic Energy Community European Organisation for Civil Aviation Equipment European Organisation for the Safety of Air Navigation EU Special Representative Electronic Warfare EGNOS Wide Area Network Expert Working Group F FAA FAF Federal Aviation Administration Final Approach Fix FANS FAR FDDI FDE FDI FDIR FDMA FDS FEC FECP FEE FF FFT FIR FIVP FKC FL FLL FLS FMAP FMECA FMS FOA FOC FOCTF FORTRESS FP FQP FQR FR(GO) FSC FTA FTE FTP FTPS FTRR FW FWD Future Air Navigation Systems Final Architecture Review or faktory/Final Acceptance Review 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 Form Factor (of the PRS receiver) Fast Fourier Transform Flight Information Region Factory Integration Validation Plan Flight Key Cell Flight Level Frequency Lock Loop (kmitočtový závěs) Forward Link System Failure during Miss Approach Procedure Failure Mode Effects & Criticality Analysis Flight Management System or Foreign Military Sales Frequency Of Arrival Full Operational Capability FOC Transition File FORge of Tamper-RESistant Security module Framework Programme Factory Qualification Plan Factory Qualification Review Frame Relay (Global Operators) Facility Security Clearance Fault Tree Analysis Flight Technical Error or Full Time Equivalent File Transfer Protocol Secure FTP Factory Test Readiness Review Firewall Forward G 3G G/S GACF GAGAN Third Generation Ground Segment Ground Assets Control Facility GPS-Aided GEO-Augmented Navigation GalSEC GALSEE GANTT GAS GAT GATE GBA GBAS GCS GEO GEOLUT GCC GDDN GGTO GIC GIOVE GIP GIS GISS GIVD GIVE GJU GKMF GLONASS (RUS) GMES GMDSS GMRD GMS GNAV GNOS GNS GNSS GNSS-1 GNSS-SB GNSS-P GOAL GOC GPRS GPS GPUO Phase A contract study (Consortium of Indra, ESYS and FDC) GALILEO Security Evaluation Equipments Chart and Project Schedule (Time and Task) Government Access Service GSA Accreditation Team German facility for early Galileo demonstrations in real environment Geostationary Broadcast Area Ground Based Augmentation System Ground Control System Geostationary Earth Orbit or INMARSAT Geostationary satellite GEO Local User Terminal Ground Control Centre or Galileo Control Centre Global Documentation and Distribution Systém or Galileo Data Dissemination Network GPS Galileo Time Offset Ground Integrity Channel/Concept Galileo In-Orbit Validation Element Galileo Interinstitutional Panel Geographic Information System Galileo Interim Support Structure Grid Ionospheric Vertical Delay Grid Ionospheric Vertical Error Galileo Joint Undertaking Galileo Knowledge Management Facility GLObal Navigation Satellite System (GLObal´naja NAvigacionnaja Sputnikovaja Sistěma) Global Monitoring for Environment and Security Global Maritime Distress and Safety System Galileo Mission Requirements Document (Galileo) Ground Mission System/Segment or Global Monitoring System or Ground Monitoring Segment Galileo Navigation Message (type G) Geostationary Navigation Overlay Service Galileo Navigation Signal Global Navigation Satellite System GNSS First Generation GNSS Security Board GNSS Panel (ICAO) Phase A contract study (Consortium of Thales, EADS, Telespazio, AAS and LogicaCMG) Galileo Operating Company or Galileo Open and Commercial (Service Centre) General Packet Radio Services Global Positioning System Galileo Participants Use Only GRAIM GRAM GRC(-P) GRS GRS-H GRS-K GRS-S GRS-T GRSP GS GSA GSA/SC GSA/SD GSAP GSAS GSASS GSB GSBAS G-SBAS GSC GSC GSCN GSE GSF GSM GSMC GSRD GSS GSSM GSSF GST GSTB GSVF GSVP GTR(F) GTSP GUF GUI GVM (RUS) GW GWAN Ground RAIM GPS Receiver Application Module Ground Receiver Chain (PRS) or Galileo Reference Chain (-PRS) Geostationary Ranging Stations or Geostationary Ranging System GRS – Hartebeeshoek, South Africa GRS – Kourou, Guyana GRS – Singapore GRS – Toulouse, France Geodetic Reference Service Provider Ground Speed or Ground Segment (European) GNSS Supervisory Authority GSA Security Centre GSA Security Department Galileo Security Accreditation Plan/Programme/Panel Galileo Security Accreditation Strategy GSA Security Support Galileo Security Board Geostationary Satellite Based Augmentation System Geostationary-Satellite Based Augmentation Systems (Galileo) Ground Control System or Galileo Steering Committee/Security Committee GNSS Security Centre or General Secretariat of the (EU) Council Ground Segment Communication Network Global Security Environment Galileo Security Facility Global System for Mobile communications Galileo Security Monitoring Centre (a part of the GSC) or GNSS Security Monitoring Centre Ground Segment Requirements Document Galileo Sensor Station Galileo System Status Message Galileo Systém Simulation Facility Galileo System Time Galileo System Test Bed Ground Segment Verification Facility or Galileo System Validation Facility Ground Segment Verification Plan Galileo Terrestrial Reference (Frame) Galileo Time Service Provider Galileo User Forum Graphical User Interface Gabaritno-Vesovoj Maket GateWay Galileo WAN Gyro H H H/W HAL HDI HDLC HDOP HDU HE HERD HID HLD HMI HOIS HOW HPA HPE HPL Gyroscope HPPS HR HTTP HTTPS HUNE HV HVAC HW HWE Horizontal Hardware Horizontal Alarm Limit HeaDIng High Level Data Link Control Horizontal Dilution Of Precision Hard Disk Unit Hosting Entity or High-End (PRS receiver) Harmonised Element Requirements Document Hazardous Invalid Data High Level Definition/Description (Document) Hazardous Misleading Information Hostile Intelligence Service Hand Over Word High Power Amplifier Horizontal Position Error High Precision Landing or Horizontal Protection Level or Horizontal Protection Limit High Precision Positioning Service High Representative (Eur. Council) Hyper Text Transfer Protocol Secure HTTP Horizontal User Navigation Error Host Vehicle Heating, Ventilation and Air Conditioning Hardware Hardware Engineer I I I/F I/O I/S IA IATO IALA IAP IAR ICAO ICB ICC Inspection InterFace Input/Output Interference / Signal Information Assurance IOV Approval to Operate International Association of Lighthouse Authorities Interoperability Action Plan Infrastructure Acceptance Review International Civil Aviation Organisation Interface Control Board Integrity Control Centre ICD ICG ICMP ICO ICRB ICT ICU IDEF0 IDS IER IERS IF IFF IGP IGS IKD IL ILRS ILS IMO IMS IMU INC INMARSAT INS IOC IOD IODC IODE IODI IODP IOP IOR IOS IOT IOV IOV(R)R IP IPF IPP IPR IR IRD Interface Control Document (UN) International Committee on GNSS Internet Message Control Protocol Intermediate Circular Orbit Interna Change Review Board Information Communication Technology Interference Combiner Unit Integrated Design Functional model Intrusion Detection System Information Exchange Requirement(s) International Earth Rotation Service Intermediate Frequency or Integrity Flag Identifier Friend (or Foe) Ionospheric Grid Points International GPS Service for Geodynalics In Kind Delivery Impact Level International Laser Ranging Service Instrument Landing System or Integrated Logistics Support International Maritime Organisation Integrity Monitor Station Inertial Measurement Unit 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 Internal Organizational Scheme In-Orbit Test(ing) or Initial Operational Test or Input/Output Test or In Order To In-Orbit Validation IOV(Readiness)Review Internet Protocol Integrity Processing Facility Ionospheric Pierce Point Intelectual Property Rights Interim review or InfraRed Interface Requirements Document IRP IRS ISDN ISNS ISO ISOP ISRO ISU ISVV IT ITRF ITRS ITSEC ITSEM ITSEF ITT ITU IULS Invitation to submit Refined Proposal Inertial Reference System Integrated Services Digital Network International Satellite Navigation System International Organisation for Standard In Service Operations Phase Indian Space Research Organization Interference Supression Unit Independent Software Verification and Validation Integration Trstiny or Information Technology International Terrestrial Reference Frame International Terrestrial Reference System IT Security Evaluation Criteria IT Security Evaluation Metodology IT Security Evaluation Facility Invitation To Tender International Time Unit or International Telcommunications Union Integrity ULS J J/S JAA JAR JCB JIMS JTC JTIDS JTSO JU Jammer to Signal ratio Joint Aviation Authorities Joint Airworthiness Requirement Joint Communications Board (ESA) Jamming and Interface Monitoring System Joint Tripartite Committee Joint Tactical Information Distr ibution System Joint Technical Standing Orders Joint Undertaking K Kbps kiB KDP KMF KO(M) KPI Kilobits per second kibibyte (1024 bytů, dle ČSN IEC 60027-2) Key Data Processor Key Management Facility Kick-Off(Meeting) Key Performance Indicator L L1 L2 LAAS LAD L1-GPS frequency (L1 = 1575,42 MHz) L2-GPS frequency (L1 = 1227,2 MHz) Local Area Augmentation System Local Area Differential LADGPS LAN LAPB LBS LE LEO LEOLUT LEOP LHC LHCP LIP LMP LNA LO LOC LORAN LPV LRU L(/)S LSA LSAA LSAP LSE LSB LUT Local Area Differential GPS Local Area Network Link Access Procedure for Balanced circuits Location Based Services Low-End (PRS receiver) Low Earth Orbit LEO Local User Terminal Lunch and Early Orbit Phase Left Hand Circular Left Hand Circular Position Location Information Protocol Logistic Management Plan Low Noise Amplifier Local Oscillator Line Of Code LOng RAnge Navigation Localizer Performance with Vertical (guidance) or Lateral-Precision with Vertical (guidance) Line Replaceable Unit Local Segment Logistic Support Analysis Local Security Accreditation Authority Local Sites Accreditation Plan Local Security Environment Least Significant Bit Local User Terminal (SAR receiving station) M M&C M&O MASER MASPP MASPS MBOC MBS Mbps MCC M-CCB MCC1 MCC2 MCC-P MCCRD MCC-S MCF Monitoring and Control Maintenance and Operations Microwave Amplification by Stimulated Emission of Radiation Multi Annual Staff Policy Plan Minimum Aviation System Performance Standard Binary Offset Carrier Modulation Multi Beam Steering (antenna) Megabit per second (EGNOS) Master Control Centre or Mission Control Centre Mission Configuration Control Board Principal Master Control Centre Backup Master Control Centre Master Control Centre (Primary) MCC Requirements Document Master Control Centre (Secondary) Mission Control Facility Mcps MCU MD MDDN ME MEDLL MEL MEO MEOLUT MEOSAR MGF MHz MiB MIDS MLS MMEL MMI MOPS MPR MRB MRD MRR MS MSAS MSB MSER MSG3 MTB MTBF MTBO MTCF MTCR MTR MTSAT MTTR MULS Megachip per second Management & Control Unit Miss Detection Mission Data Dissemination Network Multipath Error or Medium-End (PRS receiver) Multipath Estimating Delay Lock Loop Minimum Equipment List Medium Earth Orbit (SAR) Medium Earth Orbit Land/Local User Terminal Medium Earth Orbit Search and Rescue (system) Message Generation Facility Megahertz Mebibyte (1 048 576 bytů, dle ČSN IEC 60027-2) Multi-Functional Information Distribution System Microwave Landing System Master MEL Man Machine Interface Minimum Operational Performance Standard Mission Performance Requirements Material Review Board Mission Requirement(s) Document Mission Requirements Review Member State or Monitoring Station Multi-functional 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 MEOLUT Tracking Coordination Facility Missile Technology Control Regime Mid Term Review Multi Transport SATellite Mean Time To Restore an outage (Galileo) Mission Up-Link Station N NA or N/A NAS NATS NAV Navaids Note Applicable National Airspace System or National Air Space National Air Traffic Services (UK) NAVigation sub-system Navigation aids NAVSEC NAVWAR NAVSTAR GPS N.B. (z lat.) NC NCC NCE NCM NCMF NCR NCRB NE NGA NI NIHID NLES NLES-1B NLES-2B NLES-A NLES-R NLESRD NM NMC NMF NOC Nor NOCC NOTAM NPA NPL NRSCC NSA NSCC NSE nsec NSGU NSP NTK NTW NTWRD O Navigation Security Navigation Warfare Navigation Signal Timing And Ranging GPS Nota Bene = Note Well Non Compliant Network Control Centre Network Crypto Equipment Network Control Management Network Centralised Monitoring Facility Non-Conformance Report Non-conformance Review Board National Expert Non-Governmental Agency or National Geospatial-Intelligence Agency (formerly National Imagery and Mapping Agency; US government) 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 National Organization Network Operation Control Centre Notice To Airmen Non Precision Approach National Physical Laboratory National Remote Sensing Centre of China Navigation Service Availability or National Security Agency/Authority Navigation Satellite Control Centre Navigation System Error nanosecond (10-9) Navigation Signal Generator Unit Navigation Service Provider Need-To-Know Network Network Requirements Document O&M OAS OBSM OBSW OBU OCD OCR OD OD&TS OEM OGNSS OHA OJ OLAF OPB OPEX OPSEC ORD ORR O/S OS OSI OSPF OSRR OSS OTAR OTAT OTRR OURD Operation & Maintenance Open Access Service On-Board Satellite Manufacturer On-Board SW On Board Unit Operation Concept Document Operational & Certification Requirement Orbit Designation Orbit Determination and Time Synchronization Operating Expenses & Maintenance or Original Equipment Manufacture Over the Ground Network Security Services Operating Hazard Analysis Official Journal (of the EU) On-Line Application Form (or Office Européen de Lutte Anti-Fraude) On-Chip Peripheral Bus Operational Expenditures Operational Security Operations Requirements Document Operational Readiness Review Operating System (Galileo) Open Service Open Systems Interconnection Orbit Synchronization Processing Facility Operational Service Readiness Review (Galileo programme milestone) Orbitography and Synchronization Station Over the Air Re-key Over the Air Transfer On-site TRR Operational User Requirements Document P P&C P/L PA PACF PACFRD PACIFIC PAD PAE PAM PAP PB-NAV PBMF Processing and Control PayLoad Product Assurance Performance Assessment and (system) Check-out Facility PACF Requirements Document PRS Application Concept Involving Future Interested Customers Packet Assembler-Disassembler PA Engineer PA Manager or PRS Access Management Product Assurance Plan Programme Board on satellite NAVigation (ESA) Performance Budget Management File PC P-CCB PDA PDOP PDP PDR PEC PE PEGASUS PFA PFD PGSE PHD PHST PIAC PIAP PIDS PIP PKMF PL PLB PLL PLGR PM PMD PMP PMR PN PNT POC POCP POP POR PP PPP PPPSM PPS PRAM(S) PRAR PRC PRE PRN PROGRESS PROPHET Personal Computer Programme Configuration Control Board Personal Digital Assistant Position Dilution Of Precision Project Development Plan Preliminary Design Review Performance Evaluation Centre Position Error Prototype EGNOS Analysis System Using SAPPHIRE Probability of False Alarm Power Flux Density PRS + GNSS Security Expertise (team) Project History Document Packing, Handling, Storage & Transport Plan Pre-Instalation Accreditation Certificate Pre-Instalation Accreditation Process Prime Item Development Specification PRS Implementation Plan PRS Key Management Facility Protection Limit Personal Location Beacon Phase Lock Loop (fázový závěs) Precision Lightweight GPS Receiver Progress Meeting or Preventive Maintenance or Project Management Probability of Missed Detection Project Management Plan Professional Mobile Radio (TETRA) Pseudo Noise or Participating Nation Positioning, Navigation and Timing Point of Contact POC Platform Points Of Presence or Preliminary Operations Phase Pacific Ocean Region Present Position or PRS Pilot Point-to-Point Protocol Protection Profile for PRS Security Module Precise Positioning Service (GPS) or Pulse Per Second PRS Receiver Application Module(Specification) PRS Receivers and Security Modules Accreditation Rules Permanent Representatives Committee (of the EU Council) Pseudo-Range Error Pseudo Random Noise PROgramme for Governmental REceivers Standardization and Specification PRS Operations Performance Handy Evaluation Tool PROTECTOR PSPDN PSS PSTN PT PTF PTT PTT PU PVC PVM PVT PRS Operational Tool to Evaluate and Counteract Threats Originating from Radio-sources (Galileo) Public Regulated Service PRS Receivers and Security Modules Specifications Power Supply Project/System Configuration Control Board Project Safety Concern or Political and Security Committee (EU) or Personnel Security Clearance Personnel Security Clearance Certificate Prorgamme/Project Security Instructions or Public Sector Information PSI Requirement Document or Preliminary System Interface Requirement Document Packet-Switched Public Data Network Procedures, Standards and Specifications Public Switched Telephone Network Product Tree Precise Timing Facility Public Telephone and Telegraph authority (National organisation) Project Tracking Team Portable Unit Permanent Virtual Circuit Procedure Verification Matrix Position, Velocity, Time or Performance Verification Testing Q QA QFE QMS QoS QR Quality Assurance barometric pressure at runway threshold Quality Management System Quality of Service Qualification Review R R R&D RAAS RAIM RAM RAMS RB RBAC RCC RCF RCKP RCS RCVR Restricted Research and Development Regional Area Augmentation System Receiver Autonomous Integrity Monitoring Reliability Availability and Maintainability or Random Access Memory Reliability Availability, Maintainability and Safety Review Board Rule Based Access Control Rescue Coordination Centre Ranging Control Facility Requirements Consolidation Key Point Revision Control System Receiver PRS PRSMS PS PS-CCB PSC PSCC PSI PSIRD RD RDT&E REC RESCOR RF RFC RFCS RFD RFDC RFE RFI RFLAB RFQ RFW R-GEO RGIC RGS RHC RHCP RID(S) RIMS RIMSRD RINEX RLM RLMCR RLMR RLSP RLS RLSP RLSSM RMS RMS (CZE) RNAV RNP RNSS ROD ROR RP RPU RRC RS RST Requirements Document or Reference Document Research, Development, Test and Evaluation Range Error Correction Rescue Coordination Radio Frequency RF Conversion or Request For Change Radio Frequency Constellation Simulator Request For Deviation RF Down Converter RF front End Radio Frequency Interference RF measurement LABoratory Request For Quotation Request For Waiver Ranging via GEO satellites Ranging and Ground Integrity Channel Ranging Ground Segment Right Hand Circularly polarised Right Hand Circular Polarisation Review Item Discrepancy(?) (EGNOS) Ranging and Integrity Monitoring Station or Remote Integrity Monitoring Station RIMS Requirements Document Receiver INdependent Exchange Format Return Link Message Return Link Message Cancellation Request Return Link Message Request Return Link Service Provider or Radio Link Service Profile Return Link System/Service Return Link Service Provider Return Link Service Status Message Root Mean Square Radiační monitorovací síť Radio NAVigation Required Navigation Performance or Required Navigation Parameters RadioNavigation Satellite Service Review Of Design Range Only Radar Reverse Proxy Receiver Processing Unit Range-Rate Corrections Remote Station or Reference Station Reference System Time RTCA RTK RTN RTOS RTSS RUC RX/Rx S S S/C S(/)S S/S/C S/W SA SAA SAASM SAB SAC SACP SADT SAI SAL SAM SAN SAPPHIRE SAR SARP(s) SART SAS SATAIT SATMAN SAW SBAS SC SCAP SCAR SCAT-I SCB SCC S(-)CDR SCF Radio Technical Commission/Committee for Aeronautics or Radio Technical Committee of America Real Time Kinematics Return Real Time Operating System Real-Time Simulation Segment Road User Charging Receiver Secret SpaceCraft Space Segment Systém/Subsystem/Component SoftWare Selective Availability Security Accreditation Authority Selective Availability and Anti-Spoofing Module Security Accreditation Board Site Accreditation Certificate System Accreditation and Certification Plan Structure Analysis and Design Technical Site Accreditation Inspection Security Aspects Letter Site Accreditation Milestone Satellite Access Node Satellite and Aircraft Database Project for System Integrity Research (Galileo) Search And Rescue (service) or Security Accreditation Review or Site Acceptance Review Standards And Recommended Practices SAR Transponder Security Accreditation Strategy Satellite Assembly Integration and Test Site Satellite Manufacturer Surface Acoustic Wave Satellite Based Augmentation System Software Component or Service Center Security Certification and Accreditation Plan Software Component Acceptance Review Special CATegory I SAASM Cipher Block Satellite Control Centre System(-) CDR Satellite Control Facility SCG SCL SCM SCMP SCO SCQR/R SCR SCSI SDD SDDN SDM SDR SE SEAT SECOPS /SecOps SecOPs SECT SECVTB SeKO SESAR SESAME SEP SFVP SG SGS SGS-90 SG/HR SIMPR SINA SIRD SIS (SiS) SISA SISICD SISMA SISNeT SISRS Security Classification Guide 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 Site Description Document SW-Defined Data Network System Definition Manual Site Design Review EGNOS Subsystem Element Security Events Analysis Team Security Operations Security Operating Procedures System Engineering Core Team Security Chains Validation Test Bench Set Kick Off Single European Sky ATM Research Single European Sky Implementation Programme (Eurocontrol) Support Equipment Plan Support Facility Verification Plan Secretary General (Eur. Council) Soviet Geocentric System Soviet Geodetic System Secretary-General of the Council/High Representative for the CFSP Specifications and Instructions for Manufacturing PRS Receivers Secure Inter Network Architecture Site Requirement Interface Document Signal In Space Signal In Space Accuracy Signal-in-Space Interface Control Document Signal In Space Monitoring Accuracy Signal in Space through internet Signal in Space Requirement Statement or System Interconnection Security Requirements Statement SitCen Situation Centre SIV(P) Site Integration Validation (Plan) S-JTSK (CZE) Národní rovinný systém SKMF Satellite KMF SL Service Level or Station de Localisation SLA Service Level Agreement (with network service provider) SLRD SM SMC SME SMR SMTV SNA SNAPAS SNMP SNR SNT SoC SOC SoL SOLAS SOP SOW SPACS S-PCDR SPF SPI SPM SPMP SPR SPS SPVF SPWG SQAP SQL SQP SQR SR SR/R SRA SRAM SRB SRD SRN SRR SRVTB System Level Requirements Document or SL Requirements Document Security Module Service Management Centre Security Monitoring and Evaluation (team) or Subject Matter Expert or Small and Medium-sized Enterprise Software Modification Report Security Module Test Vector (SW capable of generating PRS sec. messages) Satellite Navigation Application Satellite Navigation Performance Analysis Software Simple Network Management Protocol Signal to Noise Ratio Satellite Navigation Transponder Statement of Conformity Spacecraft Operation Centre (Galileo) Safety of Life (service) Safety of Life At Sea System Operation Plan Statement Of Work Simplified Position Accuracy Calculation Software Systém-Preliminary CDR Service Products/Processing Facility or Service Provider Facility Serial Peripheral Interface System Project Management System Project Management Plan or Software Project Management Plan Software Problem Report (GPS) Standard Positioning Service System Performance Validation Facility Security and PRS Working Group Software Quality Assurance Plan Software Query Language System Qualification Plan System Qualification Review Standard Receiver or Software Requirements Software Requirements Review Security Risk Assessment Static Random Access Memory Software Review Board System Requirements Document or Software Requirement Document Software Release Note Systém Requirements Review Signal and Receiver Validation Test Bench SS SSAR SSATR SSCDR SSDD SSFQR SSKO SSN SSO SSP SSPA SSPDR SSR SSRD SSRS SSTRR SSSC (3SC) ST STD STEP1 STEP2 STEP3 STNA STR STRR SU SUM SV SVC SVP SVT SVVP SW SWPM SWRU SyOps SZBP (CZE) Space Segment 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 Site Security Officer System Security Plan Solid State Power Amplifier Sub System PDR Site Selection Review or Specific Security Rules Sub-System Requirements Document System-specific Security Requirement Statement Sub System Test Readiness Review System Safety and Security Commettee System Testing or Security Target Software Transfer Document R-GEO augmentation GIC augmentation WAD augmentation Service Technique Navigation Aerienne (F) System Test Readiness System Test Readiness Review SUpplier Software User Manual Space Vehicle or Satellite Vehicle Switch Virtual Circuit System Verification Plan or Software Verification Plan or Subsystem Verification Plan System Validation Test or System Verification Testing Software Verification and Validation Plan Software SoftWare Project Manager Software Replaceable Units System Security Operations Procedures Společná zahraniční a bezpečnostní politika (EU) T T T&V T4S TA Test or Time Threats and Vulnerabilities Thomson-CSF / Services et Systemes Sol Spatiaux Terminal Adapter (ISDN modem) or TEMPEST Authority TAI TAS TBC TBD TBO TBS TBW TC TCAR TCP TCP/IP TDOA TE TEB TEC TEN TEU TF TGNSS TH TL TLM TLS TM TMA TN TOA TOE TOW TPG TRAC TRANSEC TRB TRO TRR TRSF TS TSE TSF TSO TSP TTA TTC (TT&C) Time Atomic International or Temps Atomique International True Air Speed To Be Clarified or To Be Confirmed or To Be Coordinated To Be Defined or To Be Determined Time Between Outages To Be Studied To Be Specified by the contractor To Be Written TeleCommand Third Carrier (phase) Ambiguity Resolution Transmission Control Protocol Transmission Control Protocol/Internet Protocol Time Difference Of Arrival Test Engineer Tender Evaluation Board Total Electron Content Trans European Network Treaty of EU Task Force NLES reference Time True Heading Team Leader TeLeMetry Target Level of Safety TeleMetry Technique Management Area Technical Note or Third Nation Time Of Arrival Target Of Evaluation Time Of Week Time of Propagation Traceability Report TRANsmission SECurity Test Review Board Time to Restore an Outage Test Readiness Review Transfer Training Segment Total System Error = ( NSE2 + FTE2)1/2 or Technical Security Expertise Test and Simulation Facilities Technical Standard Order Time Service Provider or Test Script Processor Time To Alert or Time To Alarm or Time To Acquire Telemetry, Tracking and Command (Tracking, Telemetry and Command station) TTFF TTSF TTW TUE TUR-P TUS TWAN TX/Tx Time to first fix Time to subsequent fix Transition To War Test User Equipment Test User Receiver-PRS (for both IOV and FOC, with varying capabilities) Early TUR (from ESA) Transport Wide Area Network Transmitter U U U(/)S UAV UC UDP UDRE UE UEE UERE UHF UI UIVD UIVE ULS UMTS UNE UN-ICG UOr UPS UR UR/R URA URD URE US USAT USRD UTC Unclassified User Segment Unmanned Air Vehicle User Community(ies) User Datagram Protocol User Differential Range Error User Equipment User Equipment Error User Equivalent Range Error Ultra High Frequency User Interface User Ionospheric Vertical Delay User Ionospheric Vertical Error Up-Link Station Universal Mobile Telecommunication System User Navigation Error UN International Committee on GNSS User Organization Uninterruptible Power Supply User Requirements User Requirements Review User Range Accuracy User Requirements Document User Range Error United States or User Segment Ultra-Small Aperture Terminal (satellites terminal) User Segment Requirements Document Universal Time Coordinated/Co-oordinate V V VAL VCB Vertical Vertical Alarm Limit Verification Control Board VDOP VHF VNSE VoIP VOR VPE VPL VPN VRD VSAT VSM VTE VTS VUNE Vertical Dilution Of Precision Very High Frequency Vertical Navigation System Error Voice over IP VHF Omnidirectional Ranging Vertical Position Level Vertical Protection Level Virtual Private Network Verification Requirements Document Very Small Aperture Terminal Viable System Model Vertical Tropospheric compensation Error Vessel Traffic Surveillance Vertical User Navigation Error W WAAS WAC WAD WADC WADGPS WAGE WAN WBS WD WG WGS WGS-84 WIMP WN WP WPD WRC WS Wide Area Augmentation System Wide Area Correction Wide Area Differential Wide Area Differential Correction Wide Area Differential GPS Wide Area GPS Enhancement Wide Area Network Work Breakdown Structure Wind Direction Working Group World Geodesic System World Geodetic System Windows Icons Mouse Pointer Week Number WorkPackage WorkPackage Description World Radio Conference Wind Speed X XAL Standing for HAL or VAL Y Z