ADC	analog-to-digital converter
BET	backward Euler transform
$C/N_0$	carrier-to-noise density ratio
COG	center of gravity
CRB	Cramér-Rao bound
DLL	delay locked loop
FAB	fast adaptive bandwidth
FAP	FLL-assisted-PLL
FL	fuzzy logic
FLL	frequency locked loop
FMM	fuzzy mean method
FPGA	field-programmable gate array
GNSS	global navigation satellite system
GOOSE	GNSS-Receiver with Open Software Interface
GPS	Global Positioning System
IAD	integration and dump
IIR	infinite impulse response
IQ	in-phase and quadrature-phase
KF	Kalman filtering
LBCA	loop-bandwidth control algorithm
LOS	line-of-sight
NCO	numerically controlled oscillator
NLOS	non-line-of-sight
OGRP	open GNSS receiver protocol
PAD	PLL-assisted-DLL
PCIe	peripheral component interconnect express
PLAN	piecewise linear approximation of nonlinearities
PLI	phase-lock indicator
PLL	phase locked loop
PVT	position, velocity, and time
RFCS	radio-frequency constellation simulator
RFFE	radio-frequency front-end
SSE	steady state error
SSM	state space model
STL	scalar tracking loop
SV	satellite vehicle
TCXO	temperature-compensated crystal oscillator
ToA	time of arrival
VT	vector tracking