| E2E |
Earth-to-Earth |
| EA |
Electronics Assembly |
| EACEM |
European Association of Consumer Electronics Manufacturers |
| EAGE |
Electrical Aerospace Ground Equipment |
| EAR |
Export Administration Regulations |
| EARC |
Extraordinary Administrative Radio Conference |
| EBCDIC |
Extended Binary Coded Decimal Interchange Code |
| Eb/No |
Energy per bit Noise Density Ratio |
| EBR |
Electronic Beam Record |
| EBU |
European Broadcasting Union |
| EC |
Echo Canceller |
| EC |
European Commission |
| ECB |
Error Correction Bits |
| ECC |
Eccentricity |
| ECC |
Embedded Communication Channel |
| ECC |
Error Correction Code |
| ECH |
Earth Coverage Horn |
| ECLSS |
Environmental Control and Life Support System |
| ECM |
Electronic Counter Measures |
| ECM |
Entitlement Control Message |
| ECMA |
European Computer Manufacturers Association |
| ECOM |
Electronic Computer Generated Mail |
| ECR |
Engineering Change Request |
| ECS |
Environmental Control System |
| ECSS |
European Cooperation for Space Standardisation |
| ECWA |
Economic Commission for Western Asia |
| EDA |
Electronic Despun Antenna |
| EDEN |
EGSE Data Exchange Network |
| EDI |
Electronic Data Interchange |
| EDL |
Entry/Descent/Landing |
| EDLS |
Entry, Descent and Landing System |
| EDP |
Electronic Data Processing |
| EDPS |
Experiment Data and Power System |
| EDR |
Experiment Data Record |
| EDS |
Electronic Data Sheet |
| EDTV |
Enhanced Definition Television |
| EE |
Equipment Engineering |
| EESS |
Earth Exploration Satellite Service |
| EESS |
EUTELSAT Earth Station Standard |
| EFI |
Error Free Interval |
| EFT |
Electronic Fund Transfer |
| EFTA |
European Free Trade Area |
| EGNOS |
European Geostationary Navigation Overlay Service |
| EGSE |
Electrical Ground Support Equipment |
| EHF |
Extremely High Frequency |
| EHT |
Electrothermal Hydrazine Thrusters |
| EIA |
Electronic Industries Association |
| EIDP |
End Item Data Package |
| EIM |
External Interface Module |
| EIN |
Equivalent Input Noise |
| EIRP |
Equivalent Isotropic Radiated Power |
| EISCAT |
European Institute Scatter Facility |
| EL |
Elevation |
| ELF |
Extremely Low Frequency |
| ELT |
Emergency Locating Transmitters |
| ELV |
Expendable Launch Vehicle |
| EM |
Electromagnetic |
| EM |
Engineering Model |
| EMC |
Electromagnetic Compatibility |
| EMF |
Electromagnetic Force |
| EMF |
Electromotive Force |
| EMI |
Electromagnetic Interference |
| EMM |
Entitlement Management Message |
| EMR |
Electromagnetic Radiation |
| EMS |
Electronic Messaging Service |
| ENG |
Electronic News Gathering |
| EOC |
Edge of Coverage |
| EOI |
Earth Orbital Insertion |
| EOL |
End Of Life |
| EOM |
End Of Mission |
| EOS |
Earth Observation Satellite |
| EOT |
End Of Track |
| EOW |
Engineering Order Wire |
| EPC |
Electronic Power Conditioner |
| EPDS |
Experiment Power and Data System |
| EPG |
Electronic Programming Guide |
| EPIRB |
Emergency Position Indicating Radio Beacon |
| EPIRD |
Emergency Position Indication Radio Device |
| EPROM |
Erasable Programmable Read Only Memory |
| EQM |
Engineering Qualification Model |
| ERC |
European Radiocommunications Committee |
| ERM |
Electromagnetic Compatibility and Radio Spectrum Matters |
| ERP |
Effective Radiated Power |
| ERT |
Earth Received Time |
| ERV |
Earth Return Vehicle |
| ES |
Earth Station |
| ES |
Echo Suppressor |
| ES |
Elementary Stream |
| ESA |
European Space Agency |
| ESC |
Engineering Service Circuit |
| ESC |
European Space Conference |
| ESD |
Electrostatic Discharge |
| ESD |
Electrostatic Dissipative |
| ESOC |
European Space Operations Centre |
| ESOG |
EUTELSAT Systems Operations Guide |
| ESP |
ExtraSolar Planet |
| ESTEC |
European Space Technology Centre |
| ESTC |
European Space Tribology Centre |
| ET |
Ephemeris Time |
| ETB |
Engineering Test Bench |
| ETO |
Earth-To-Orbit |
| ETR |
Eastern Test Range |
| ETRI |
Electronics and Telecommunications Research Institute |
| ETS |
European Telecommunications Standard |
| ETSI |
European Telecommunications Standards Institute |
| ETT |
Electrothermal Thruster |
| EU |
European Union |
| EUV |
Extreme Ultraviolet |
| eV |
Electron Volt |
| EVA |
Extravehicular Activity |
