AGC	Automatic Gain Control
BPSK	Binary Phase Shift Keying
CAF	Cross Ambiguity Function
$C/N_0$	Carrier-to-Noise Ratio
$C/N_0-MV$	Carrier-to-Noise Moving Variance
CNN	Convolutional Neural Networks
CPSD	Carrier Phase Single Difference
CRPA	Controlled Reception Pattern Antenna
DoA	Direction of Arrival
DL	Deep Learning
DME	Distance Measuring Equipment
DOP	Dilution of Precision
ETSI	European Telecommunications Standards Institute
FL	Federated Learning
FOS	Fast Orthogonal Search
GAN	Generative Adversarial Network
GNSS	Global Navigation Satellite System
GPS	Global Positioning System
IA-DoA	Intersection Angle between Two Directions of Arrival
IPNN	Improved Probabilistic Neural Network
ISO	International Organization for Standardization
JSR	Jamming-to-Signal Ratio
KNN	K-Nearest Neighbors
KS	Kolmogorov–Smirnov test
LSTM	Long Short-Term Memory
ML	Machine Learning
MLP	Multi-Layer Perceptron
NMEA	National Marine Electronics Association
OAKBAT	Oak Ridge Spoofing and Interference Test Battery
PRDD	Pseudo-Range Double-Differences
PRN	Pseudo-Random Noise Code
PVT	Position, Velocity, and Time
RFF	Radio Frequency Fingerprinting
SCPC	Spoofing Correlation Peak Cancellation
SDR	Software Defined Radio
SNM	Spoofing Network Monitoring
SQM	Signal Quality Monitoring
SVM	Support Vector Machine
TDOA	Time Difference of Arrival
TDOAE	Time Difference of Arrival Estimation
ToA	Time of Arrival
TEXBAT	Texas Spoofing Test Battery
TWSVM	Twin SVM Algorithm
UAV	Unmanned Aerial Vehicles
USRP	Universal Software Radio Peripheral