GNSS Glossary

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EASA :

European Aviation Safety Agency

ECAC :

European Civil Aviation Conference

ECDIS :

Electronic Chart Display and Information System

ECEF :

Earth Centred Earth Fixed

ECO :

Engineering Change Order

ECP :

Engineering Change Proposal

ECR :

Engineering Change Request

ECRB :

External Change Review Board

ECS :

Electronic Chart System

ECSS :

European Co-operation for Space Standardisation

EDAS :

EGNOS Data Access System

EDP :

EGNOS ILD Documentation Plan

EEE :

Electrical Electronic Electromechanical

EETES :

EGNOS End To End Simulation

EGN :

EGNOS

EGNOS :

European Geostationary Navigation Overlay Service

EIDP :

End Item Data Package

EIRP :

Equivalent Isotropic Radiated Power

EL :

Elevation

EMC :

Electromagnetic Compatibility

EMP :

EGNOS Maintenance Plan

ENAV :

Ente Nationale di Assistenze al Volo (Italy)

ENMA :

EGNOS Network Management Application

ENMC :

EGNOS Network Monitoring & Control

ENT :

EGNOS Network Time

EOIG :

EGNOS Operators and Infrastructure Group

EPO :

EGNOS Project Office

EPROM :

Erasable and Programmable Read Memory Only

EPUE :

EGNOS Prototype User Equipment

EPUERD :

EPUE Requirements Document

ERAM :

EGNOS Requirements Allocation Matrix

ERNP :

European RadioNavigation Plan

ESA :

European Space Agency

ESA HQ :

ESA Headquarters Paris

ESA-CST :

ESA Centre Spatial de Toulouse or ESA Toulouse Space Centre

ESDV :

Early System Demonstration & Verification (activities)

ESM :

Electronics Support Measures

ESNP :

European Satellite Navigation Programme

ESRRD :

EGNOS Standard Receiver Document

ESSF :

EGNOS System Simulation Facility

ESSP :

European Satellite Services Provider

ESTB :

EGNOS System Test Bed

ESTEC :

European Space Research and Technology Centre (Noordwijk)

ESVS :

EGNOS Service Volume Simulator

ETFM :

Early Trials Final Meeting

ETG :

European Tripartite Group

ETMS :

EGNOS Transport Management System

ETS :

Early Test System

ETSO :

European Technical Standard Order

EUROCAE :

European Organisation for Civil Aviation Equipment

EVP :

EGNOS Verification Plan

EWAN :

EGNOS Wide Area Network

EWAN :

EGNOS Wide Area Network

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