Stonex SA1500 GNSS Antenna 2D Choke Ring

​The Stonex SA1500 is a high-precision 2D choke ring GNSS antenna designed for applications requiring exceptional accuracy and reliability, such as Continuously Operating Reference Stations (CORS), bridge and building deformation monitoring, and geological surveys. Its unique 2D choke ring design ensures excellent multipath reduction across all GNSS frequency bands, including L-Band, providing sub-millimeter phase center stability.​

Key Features:

• High Phase Center Stability: The 2D choke ring design minimizes multipath interference, ensuring consistent and precise signal reception.​

• Comprehensive Satellite Tracking: Capable of receiving signals from all major satellite constellations, including GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS, SBAS, and L-Band.​

• Superior Signal Reception: High gain and wide beam width enable effective tracking of low elevation satellites, ensuring stable and precise GNSS data even in challenging environments, such as areas obstructed by tree lines or buildings.​

• Strong Anti-Interference Performance: The Low Noise Amplifier (LNA) exhibits excellent out-of-band rejection, suppressing electromagnetic interference (EMI) from sources like power grids, communication base stations, or radio modems, thereby maintaining the stability and reliability of GNSS signals.​

• Rugged Construction: The antenna's cover is made of Glass Fiber Reinforced Polymer (GFRP), providing structural strength and reliability. Its IP67-rated ruggedized cover offers protection against dust and water, ensuring durability in harsh environmental conditions.​

Technical Specifications:

• Nominal Impedance: 50Ω​

• Polarization: Right-Hand Circular Polarization (RHCP)​

• Axial Ratio: ≤2dB​

• Gain at Zenith (90°): 6dBi (maximum) for both 1205-1278 MHz and 1559-1615 MHz bands​

• LNA Gain: 50dB (typical)​

• Noise Figure: ≤2dB​

• Output/Input Voltage Standing Wave Ratio (VSWR): ≤2.0​

• Operating Voltage: +3.3VDC to +12VDC​

• Operating Current: 60mA (maximum)​

• Group Delay Ripple: ≤5ns​

• Dimensions: Diameter 379mm x Height 212mm​stonex.ee

• Connector: TNC Female​

• Mounting: 5/8 inch – 11 BSW screw, depth ≥22mm​

• Weight: 8.5kg​

• Operating Temperature: -45°C to +85°C​

• Storage Temperature: -55°C to +85°C​

• Humidity: 95% non-condensing​

• Waterproof/Dustproof Rating: IP67​

The Stonex SA1500 antenna's advanced design and robust features make it an excellent choice for professionals seeking reliable and precise GNSS data in various challenging environments.