9. GPS Abbreviations

ADIRS – Air Data – Inertial reference System
ADS-B – Automatic Dependent Surveillance – Broadcast
AFSC – Air Force Space Command
ANP – Acquired Navigation Performance
AOC – Auxiliary Output Chip
ARINC – Aeronautical Radio Incorporation
AS – Anti Spoofing
ATM – Air Traffic Management
BITE – Built In Test equipment
C/A – Course Acquisition
CDMA – Code Division Multiple Access
CDTI – Cockpit Display of Traffic Information
CDU – Control and Display Unit
CNS – Communication Navigation Surveillance
dB – decibel
DGPS – Differential GPS
DITS – Digital Information Transfer System
DME – Distance Measuring Equipment
DoD – Department of Defence
DOP – Dilution Of Position
ECEF – Earth Centred Earth Fixed
EGNOS – European Geo-stationary Navigation Overlay System
EGPWS – Enhanced Ground Proximity Warning System
ELT – Emergency Locator Transmitter
EST – Eastern Standard Time
FAA – Federal Aviation Authorities
FDE – Fault Detection and Exclusion
FM(C)S – Flight Management (Computer) System
FCL – Flight Crew Licensing
FOC – Full Operational Capability
GBAS – Ground Based Augmentation System
GDOP – Geometric DOP
GLONASS – Global Navigation Satellite System
GNSS – Global Navigation Satellite System
GNSSU – Global Navigation Satellite Sensor Unit
GPS – Global Positioning System
HDOP – Horizontal DOP
HOW – Hand Over Word
ICAO – International Civil Aviation Organization
IFR – Instrument Flight Rules
ILS – Instrument Landing System
IRS – Inertial Reference System
JAR – Joint Aviation requirements
JPO – Joint Program Office
LAAS – Local Area Augmentation System
LNA – Low Noise Amplifier
LOP – Line Of Position
LORAN – Long Range Navigation
MCDU – Muli-function CDU
MCS – Master Control Station
MLS – Microwave Landing System
MMR – Multi-Mode Receiver
MNPS – Minimum Navigation Performance Standard
MSAS – Multi-function Satellite Augmentation System
NAVSTAR – Navigation Satellite with Timing And Ranging
NM – Nautical Mile (1852m)
NOTAM – Notice to Airmen
NPA – Non Precision Approach
PDOP – Position DOP
PPS – Precise Positioning Service
PPOS – Present Position
PRN – Pseudo Random Noise
Pvt – position, velocity, time
RAIM – Receiver Autonomous Integrity Monitor
RNAV – Area Navigation
RNP – Required Navigation Performance
SPS – Standard Positioning Service
RVSM – Reduced Vertical Separation Minima
SA – Selective Availability
SATCOM – Satellite Communication
SBAS – Space Based Augmentation System
SV – Space Vehicle
SVN – Space Vehicle Number
TCAS – Traffic alert and Collision Avoidance System
TDOP – Time DOP
TLM – Telemetry
TOA – Time Of Arrival
TTA – Time To Alarm
TTFF – Time To First Fix
UHF – Ultra High Frequency (300 – 3000 MHz)
USA – United States of America
UTC – Universal Time Coordinate
VDOP – Vertical DOP
VOR VHF – Omni-directional Range
WAAS – Wide Area Augmentation System
WGS – World Geodetic System

Source: FCRG

See also:
<a title="GPS Description" href="http://flightcrewguide.com/wiki/gps/gps-general/">GPS Description</a>
<a title="GPS Introduction" href="http://flightcrewguide.com/wiki/gps/gps-introduction/">GPS Introduction</a>
<a title="GPS Operating Principles" href="http://flightcrewguide.com/wiki/gps/gps-operating-principles/">GPS Operating Principles</a>
<a title="GPS Segments" href="http://flightcrewguide.com/wiki/gps/gps-segments/">GPS Segments</a>
<a title="GPS Aircraft Installation and Operation" href="http://flightcrewguide.com/wiki/gps/gps-aircraft-installation-operation/">GPS Aircraft Installation and Operation</a>
<a title="GPS Signals" href="http://flightcrewguide.com/wiki/gps/gps-signals/">GPS Signals</a>
<a title="GPS Position &amp; Time" href="http://flightcrewguide.com/wiki/gps/gps-position-time/">GPS Position &amp; Time</a>
<a title="GPS Augmentations" href="http://flightcrewguide.com/wiki/gps/gps-augmentations/">GPS Augmentations</a>
<a title="GPS Abbreviations" href="http://flightcrewguide.com/wiki/gps/gps-abbreviations/">GPS Abbreviations</a>