ANN-MB	u-blox ANN-MB-00
ANTEX	Antenna Exchange Format
APC	Antenna Phase Center
ARP	Antenna Reference Point
AV28	Trimble AV28
CORS	Continuously Operating Reference Station
DD	Double Difference
DLF1	IGS station DLF1 at NMi building in Delft, Netherlands
DOMES	Directory of MERIT Sites
DPGA	Dutch Permanent GNSS Array
GA530	Trimble GA530
GNSS	Global Navigation Satellite System
GPS	Global Positioning System
IGb14	IGS GNSS geodetic reference IGb14
IGS	International GNSS Service
$L_1$	Center signal frequency at 1575.42 MHz
$L_2$	Center signal frequency at 1227.60 MHz
$L_{IF}$	Ionosphere-free combination using L1 and L2
LEIAR	Leica AR25.R3 LEIT
MAD	Median Absolute Deviation
MERIT	Monitor Earth Rotation and Intercompare the Techniques of Observation and Analysis
NEU	North, East, Up
NMi	Netherlands Metrology Institute
NRCan	Natural Resources Canada
PCO	Phase Center Offset
PCV	Phase Center Variation
PPK	Post Processed Kinematic
PPP	Precise Point Positioning
RINEX	Receiver Independent Exchange Format
SD	Single Difference
TRM5	Trimble TRM55971.00 NONE
VRS	Virtual Reference Station