GPS Satellite Surveying, 4th Edition

Abbreviations

Commonly Used GNSS Abbreviations

ARNS	Aeronautical Radio Navigation Service
ARP	Antenna reference point
AS	Antispoofing
ASK	Amplitude shift keying
B1	B1 Beidou carrier (1561.098 MHZ)
B2	B2 Beidou carrier (1207.14 MHz)
B3	B3 Beidou carrier (1268.52MHz)
BOC	Binary offset carrier
BPSK	Binary phase shift keying
C/A-code	Coarse/acquisition code (1.023 MHz)
CDMA	Code division multiple access
CIO	Celestial intermediary origin
CCRF	Conventional celestial reference frame
CEP	Celestial ephemeris pole
CORS	Continuously operating reference stations
CTP	Conventional terrestrial pole
CTRS	Conventional terrestrial reference system
DGPS	Differential GPS
DOD	Department of Defense
DOP	Dilution of precision
DOY	Day of year
E6	E6 Galileo carrier (1278.75 MHz)
ECEF	Earth-centered earth-fixed coordinate system
EOP	Earth orientation parameter
FAA	Federal Aviation Administration
FBSR	Feedback shift register
FDMA	Frequency division multiple access
FSK	Frequency shift keying
FOC	Full operational capability
GAST	Greenwich apparent sidereal time
GDOP	Geometric dilution of precision
GEO	Geostationary earth orbit
GIF	Geometry-free and ionospheric-free solution
GIM	Global ionospheric model
GLONASS	Global'naya Navigatsionnaya Sputnikkovaya Sistema
GNSS	Global navigation satellite system
GML	Gauss midlatitude functions
GMST	Greenwich mean sidereal time
GPS	Global positioning system
GPSIC	GPS Information Center
GPST ...