Acronyms
E
East [position/coordinate/direction]
E-GRASP
European Geodetic Reference Antenna in Space
EAM
Effective Angular Momentum
EC
Executive Committee
EE
Equation of the Equinoxes
EEMA
error ellipse major axis
EGSG
Extra-Galactic Science with Gaia
EGV
Essential Geodetic Variable(s)
ELP
Éphéméride Lunaire Parisienne
ELPN
Éphéméride Lunaire Parisienne Numérique
EMB
Earth-Moon Barycentre
EMPIR
European Metrology Programme for Innovation and Research
EMR
Energy, Mines and Resources Canada (replaced by NRCan)
EMRP
European Metrology Research Program[me]
EMU
NRCan Ultra Rapid orbits
ENVISAT
Environmental Satellite
EO
Earth orientation
EOP
Earth Orientation Parameters
EOPGS
Ecole et Observatoire de Physique du Globe de Strasbourg (formerly; now: EOST)
EPM
Ephemerides of Planets and the Moon
EPN
EUREF Permanent Network (formerly: EUREF Permanent GPS Network)
EPOS-OC
Earth Parameter and Orbit System - Orbit Computation [software]
EQ
earthquake
ERA
ECMWF Reanalysis Data
Eratosthenes
European Reference Antenna of Space Geodetic Techniques Enhancing Earth Science
ERF
epoch reference frame
ERIS
Earth Rotation Information System
ERP
Earth Rotation Parameters
ES
Spain
ESAC
European Space Astronomy Centre
ESM
Earth System Model
ESOC
ESU
ESOC Ultra Rapid orbits
ET
Epheremis Time
ETS
Engineering Test Satellite
EU, E.U.
EUMETSAT, Eumetsat
European Organisation for the Exploitation of Meteorological Satellites
EURAMET
European Association of National Metrology Institutes
EUROLAS
EVGA
European VLBI [Group] for Geodesy and Astrometry
eVLBI, e-VLBI, E-VLBI
Electronic transfer VLBI
