15.6. LIST OF TYPICAL GNSS RELATED ACRONYMS
15.6 List of Typical GNSS Related Acronyms
APME
A Posteriori Multipath Estimation
ARP
Antenna Reference Point
ASCII
American Standard Code for Information Interchange
CMR
Compact Measurement Record
CPU
Central Processing Unit
CR
Carriage Return
CTS
Clear to Send
DGPS
Differential Global Positioning System
DOP
Dilution of Precision
EGNOS
European Geostationary Navigation Overlay System
ESTB
EGNOS System Test Bed
FPGA
Field Programmable Gate Array
GLONASS
Global Orbiting Navigation Satellite System (Russian satellite system)
GNSS
Global Navigation Satellite System
GPRS
General Packet Radio Service
GPS
Global Positioning System
GPX
GPS exchange
GSM
Global System for Mobile communications
GUI
Graphical User Interface
HERL
Horizontal External Reliability Level
HPL
Horizontal Protection Level
IGS
International GNSS Service
LAMBDA
Least-squares AMBiguity Decorrelation Adjustment
LED
Light Emitting Diode
MDB
Minimal Detectable Bias
MOPS
Minimum Operational Performance Standards
MSAS
Multi-functional Satellite Augmentation System
MT
Message Type
NGS
National Geodetic Survey
NMEA
National Marine Electronics Association
OEM
Original Equipment Manufacturer
OTF
On the Fly
PPS
Pulse Per Second
PVT
Position Velocity Time
RAIM
Receiver Autonomous Integrity Monitoring
RINEX
Receiver Independent Exchange Format
ROM
Read Only Memory
RTCA
Radio Technical Commission for Aeronautics
RTCM
Radio Technical Commission for Maritime Services
RTK
Real Time Kinematic
SBAS
Satellite Based Augmentation System
SD
Secure Digital
SDHC
Secure Digital High Capacity
SIM
Subscriber Identity Module
UHF
Ultra high frequency
VRS
Virtual Reference Station
WAAS
Wide Area Augmentation System
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