3D Mapping-3 Dimensional Mapping

ACS-Attitude Control System

A-GPS-Assisted Global Positioning System

AOA-Angle of Arrival

AS-Antispoofing

ASF-Additional Secondary Phase Factor

Autonav-Autonomous Navigation

AVL-Automatic Vehicle Location

C/A Code-Clear/Acquisition Code

CCR-Corner Cube Reflector

CDP-Cisco Discovery Protocol

CRINEX-Compact Receiver Independent Exchange Format

CS-Commercial Service

DGPS-Differential Global Positioning Service

DGPS-Differential GPS

Differential LORAN-Differential Long Range Navigation

DOP-Dilution of Precision

DR-Dead Reckoning

EGNOS-European Geostationary Navigation Overlay System

eLORAN-Enhanced Long Range Navigation

EMP-Electromagnetic Pulse

EOF-End Of File

ERR-Error Value

FOC-Full Operational Capability

GAGAN-GPS and GEO Augmented Navigation System

GDOP-Geometric Dilution of Precision

GEO-Geosynchronous Earth Orbit

GeoFencing-Geographic Fencing

GFE-Government Furnished Equipment

GIS-Geographic Information System

GIS-Geographical Information System

Glonass-Global Navigation Satellite System

GNSS-Global Navigation Satellite Systems

GPS-Global Positioning System

GRI-Group Repetition Interval

HDOP-Horizontal Dilution of Precision

HOW-Handover Word

IGS-International GNSS Services

IGSO-Inclined Geosynchronous Earth Orbit

IMU-Inertial Measurement Unit

INS-Inertial Navigation System

IOC-Initial Operational Capability

IODC-Issue of Data Clock

IODE-Issue of Data Ephemeris

IONEX-Ionospheric Map Exchange Format

JD-Julian Day

L2 CL-L2 Civil Long

L2 CM-L2 Civil Moderate

LBS-Location Based Services

LEO-Low Earth Orbit

LIDAR-Light Detection and Ranging

LOP-Line of Position

LORAN-Long Range Navigation

LORAN-C-Long Range Navigation C

LPDE-Local Position Determining Entity

LRF-Laser Range Finder

MCS-Master Control Station

MEO-Medium Earth Orbit

MPC-Mobile...