GNSS / GPS Antenna Glossary

- A -

Antenna Factor
Atomic Clock
Antenna Efficiency
Antenna Gain
Antenna Pattern
Assisted GPS (A-GPS)
Authentication
Automatic Gain Control (AGC)
Azimuth

- B -

Bandwidth
Base Station
Beamwidth
BeiDou (Chinese GNSS)
Binary Phase Shift Keying (BPSK)

- C -

C-Band
Carrier Frequency
Carrier Phase Measurement
Carrier Smoothed Code (CSC)
Carrier-to-Noise Density (C/N0)
Chip Scale Atomic Clock (CSAC)
Circular Polarization
Geodetic Datum
Coaxial Cable
Code Division Multiple Access (CDMA)
CORS (Continuously Operating Reference Station)
Cross-Polarization Isolation

- D -

Demodulation
Differential GPS (DGPS)
Dipole Antenna
Doppler Shift

- E -

Elevation Angle
Encryption
Ephemeris Data

- F -

Forward Error Correction (FEC)
Frequency Division Multiple Access (FDMA)
Fresnel Zone

- G -

Geometric Dilution of Precision (GDOP)
Galileo (European GNSS)
Geostationary Satellites
Geosynchronous Satellites
GLONASS (Russian GNSS)
GNSS (Global Navigation Satellite System)
GNSS Receiver
GNSS Simulator
GPS (Global Positioning System)
GPS Block I, II, III (Satellite generations)
GPS Repeater
GPS Simulator
Ground Plane
Grounding

- H -

Helix Antenna
High Earth Orbit (HEO) Satellites
Horizontal Dilution of Precision (HDOP)
Impedance

- I -

Integrity
Interference
Ionospheric Delay
IRNSS (Indian Regional Navigation Satellite System)

- J -

Jamming

- K -

K-Band
Keying

- L -

L-Band
L1, L2, L5 Bands (GPS frequency bands)
Left-Hand Circular Polarization (LHCP)
Line of Sight
Linear Polarization
Link Budget
Lock Detector
Low Earth Orbit (LEO) Satellites

- M -

Medium Earth Orbit (MEO) Satellites
Microstrip Antenna
Modulation
Monopole Antenna
Multipath Interference

- N -

N-Type Connector
Navigation Message
Noise Figure
Non-Geostationary Satellite Orbit (NGSO)

- 0 -

Orthogonal Frequency-Division Multiplexing (OFDM)

- P -

Parabolic Antenna
Patch Antenna
Path Loss
Phase Center
Phased Array Antenna
Polarization
Position Dilution of Precision (PDOP)
Pseudolite
Pseudorange

- Q -

Quadrature Phase Shift Keying (QPSK)
QZSS (Quasi-Zenith Satellite System, Japan)

- R -

Radiation Pattern
Real-Time Kinematic (RTK)
Relative Positioning
Right-Hand Circular Polarization (RHCP)
Rover Station

- S -

S-Band
Satellite Constellation
Satellite Footprint
Satellite Handover
Satellite Vehicle Number (SVN)
SBAS (Satellite-Based Augmentation System)
Selective Availability (SA)
Signal Acquisition
Signal Attenuation
Signal Diffraction
Signal Integrity
Signal Reflection
Signal Refraction
Signal Scattering
Signal-to-Noise Ratio (SNR)
SMA Connector
Spoofing
Spread Spectrum

- T -

Time Dilution of Precision (TDOP)
Time Division Multiple Access (TDMA)
Time of Week (TOW)
Time to First Fix (TTFF)
Tracking Loop
Tropospheric Delay

- V -

Vertical Dilution of Precision (VDOP)
VSWR (Voltage Standing Wave Ratio)

- W -

WGS-84 (World Geodetic System 1984)

- X -

X-Band