GalTeC

Glossary and Abbreviations

ANTEX - Antenna Exchange format

ASCII - American Standard Code for Information Interchange
This indicates also a text format

ATM - Air Traffic Management

AVP - Approach with Vertical Guidance

BMWi - Bundesministerium für Wirtschaft und Technologie
Federal Ministry of Economics and Technology, Germany

DLR - Deutsches Zentrum für Luft- und Raumfahrt
German Aerospace Center

EGNOS - European Geostationary Navigation Overlay System
An overlay system for the GPS service which enhances the accuracy of GPS navigation by transmitting differential information.

ERP - Earth Rotation Parameters

ESA - European Space Agency

ESSP - European Satellite Services Provider

ESTEC - European Space Research and Technology Centre

GAGAN - GPS Aided Geo Augmented Navigation
Indian SBAS

GalTeC - Galileo Technology Center
GalTeC is a development project under a contract of the German Aerospace Center DLR funded by the Federal Ministry of Economics and Technology (BMWi). The application concept of GalTeC is to provide value added services related to the provision of GNSS satellite-only services.

GBAS - Ground-Based Augmentation System

GEO - Geostationary Satellite
Is carrying SBAS navigation payload

GIOVE - Galileo In Orbit Validation Element
Giove is a test satellite used to demonstrate and validate the technologies developed under the GALILEO project.

GLONASS - Global Navigation Satellite System
The Russian global navigation satellite system.

GMT - Greenwich Mean Time

GNSS - Global Navigation Satellite System

GPS - Global Positioning System
Global navigation satellite system financed and operated by the U.S. Department of Defense.

GSA - European GNSS Supervisory Authority

HAL - Horizontal Alarm Limit

HDOP - Horizontal Dilution Of Precision

HPE - Horizontal Position Error

HPL - Horizontal Protection Level

IAIN - International Association of Institutes of Navigation

IANC - Information-Analytical Centre for GLONASS (Russia)

ICAO - International Civil Aviation Organization

IERS - International Earth rotation and Reference systems Service

IGS - International GNSS Service

ION - Institute of Navigation (USA)

IONEX - Ionospheric Exchange data format

IOV - In Orbit Validation
Galileo IOV phase e.g. 4 Satellites launched

MSAS - Multi Satellite Augmentation System

NAGU - Notices for GLONASS Users

NANU - Notice Advisory to NAVSTAR Users

PRN - Pseudorandom Noise
Kind of SVID for active GPS satellites

PVT - Position, Velocity and Time

RINEX - Receiver Independent Exchange format

SARPS - Standards and Recommended Practices
Issued by ICAO

SBAS - Satellite Based Augmentation System

SIS - Signal In Space

SISA - Signal In Space Accuracy

SISMA - Signal In Space Monitoring Accuracy

SISRA - Signal In Space Reference Accuracy

SISRE - Signal In Space Reference Errors

TLE - Two Line Elements
Keplerian Orbit Parameters

UERE - User Equivalent Range Error
Total Range Error at user level

URA - User Range Accuracy
Is broadcast by GPS

URE - User Range Error
Orbit and Clock contribution to Range Error

USCG - U.S. Coast Guard

UTC - Universal Time, Coordinated

VAL - Vertical Alarm Limit

VDOP - Vertical Dilution Of Precision

VPE - Vertical Position Error

VPL - Vertical Protection Level

WAAS - Wide Area Augmentation System
U.S. SBAS

xDOP - Dilution Of Precision
x can be H, V, G, T, P

xPL - Protection Level
x stands for H (horizontal) or V (vertical). See also HPL, VPL