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J GPS/GLONASS Glossary of Acronyms
J
GPS GLOSSARY OF ACRONYMS
J GPS/GLONASS
ACRONYMS
1PPS:
One Pulse Per Second
2D:
Two Dimensional
2DRMS
Twice distance RMS
3DThree Dimensional
A/D
Analog-to-Digital
ADR
Accumulated Doppler Range
AGC
Automatic Gain Control
ASCII
American Standard Code for
Information Interchange
BIH
Bureau l'International de l'Heure
BIST
Built-In-Self-Test
BPS
Bits per Second
C/A Code
Coarse/Acquisition Code
C/No
Carrier to Noise Density Ratio
CDMA
Code Division Multiple Access
CEP
Circular Error Probable
CPU
Central Processing Unit
CR
Carriage Return
CRC
Cyclic Redundancy Check
CSIC
Coordination Scientific Information
Center
CTP
Conventional Terrestrial Pole
CTS
Conventional Terrestrial System
CTS
Clear To Send
dB
Decibel
DCE
Data Communications Equipment
DGNSS
Differential Global Navigation
Satellite System
DGPS
Differential Global Positioning System
DOP
Dilution Of Precision
DSP
Digital Signal Processor
DSR
Data Set Ready
DTR
Data Terminal Ready
ECEF
Earth-Centered-Earth-Fixed
EMC
Electromagnetic Compatibility
EMI
Electromagnetic Immunity
ESD
Electrostatic Discharge
FDMA
Frequency Division Multiple Access
FEC
Forward Error Correction
FIFO
First In First Out
GDOP
Geometric Dilution Of Precision
GLONASS
GLObal NAvigation Satellite System
GMT
Greenwich Mean Time
GND
Ground
GPS
Global Positioning System
HDOP
Horizontal Dilution Of Precision
HEX
Hexadecimal
124
GLOSSARY
OF
HTDOP
Horizontal position and Time Dilution
Of Precision
Hz
Hertz
IC
Integrated Circuit
ICD
Interface Control Document
IERS
International Earth Rotation Service
IF
Intermediate Frequency
IGRF
International Geomagnetic Reference
Field
I/O
Input/Output
IODE
Issue of Data (Ephemeris)
IRQ
Interrupt Request
LF
Line Feed
LHCP
Left Hand Circular Polarization
LNA
Low Noise Amplifier
LO
Local Oscillator
lsb
Least significant bit
MET
Multipath Elimination Technology
MEDLL
Multipath Estimation Delay Lock Loop
MKI
Mark In
MKO
Mark Out
msb
Most significant bit
msec
millisecond
MSL
Mean sea level
N. mi.
Nautical mile
NAVSTAR NAVigation Satellite Timing And
Ranging (synonymous with GPS)
NCO
Numerically Controlled Oscillator
NMEA
National Marine Electronics
Association
ns
nanosecond
NVM
Non-volatile Memory
OCXO
Oven Controlled Crystal Oscillator
OEM
Original Equipment Manufacturer
PC
Personal Computer
P Code
Precise Code
PDOP
Position Dilution Of Precision
PE-90
Parameters of the Earth 1990 (see
PZ90)
PLL
Phase Lock Loop
PPS
Precise Positioning Service or Pulse
Per Second
PRN
Pseudo Random Noise number
PZ90
Parametry Zemli 1990 (see PE-90)
RAM
Random Access Memory
RF
Radio Frequency
RHCP
Right Hand Circular Polarization
ROM
Read Only Memory
RTCA
Radio Technical Commission for
GPS/GLONASS Receiver User Manual Rev 1
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