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Septentrio PolaRx5S Ionospheric Monitoring GNSS Receiver

The Septentrio PolaRx5S ionospheric monitoring GNSS receiver offers a durable housing, low power consumption and open technology, making it ideal for rapid and efficient integration into the existing network.



The PolaRx5S ionospheric monitoring GNSS receiver from Septentrio outputs an extensive set of GNSS measurements and iono-indices, including I&Q correlation, phase and intensity, up to 100 Hz. Featuring an ultralow noise oscillator, it enables precise phase scintillation monitoring with a phase noise standard deviation (Phi60) as low as 0.03 rad.

The A Posteriori Multipath Estimator (APME+), unique in its ability to tackle short-delay multipath, enhances the measurement quality while LOCK+ tracking guarantees robust tracking of rapid signal dynamics during scintillation events.

Radio interferences events, more and more present, are difficult to differentiate from scintillation events. The PolaRx5S incorporates advanced interference mitigation techniques to suppress interference before it can affect the iono indices.

Communication and (remote) management of the PolaRx5S is made easy with a powerful built-in Web UI accessible over WiFi, network or USB connection. The Web UI features secured access to all receiver settings and status information, data storage, and fast and robust firmware upgrading.

SBF, RINEX and BINEX data logging is possible on both a builtin 16 GB memory and on an externally connected device. Up to 40 independent data archives can be defined. Logged data can be accessed via the web UI server or automatically pushed to a FTP server.


  • Real time output of TEC and iono scintillation indices on all GNSS L-band frequencies
  • 100 Hz unfiltered correlation output for in-depth scintillation analysis
  • Full compatibility with common scintillation and TEC monitoring file formats
  • 100 Hz code, phase and intensity output with user controlled noise bandwidth
  • Unique interference monitoring and mitigation (AIM+)
  • OSNMA Support
  • Powerful Web UI and logging tools
  • Rugged housing and multiple interfaces

Technical Specifications

Size: 284 x 140 x 37 mm, 11.18 x 5.51 x 1.45 in
Weight: 1.06 kg/2.33 lb
Input Voltage: 9-30 VDC
Power Consumption: 3.5 – 5.7 W
Operating Temperature: -40°C to +65°C, -40°F to +149°F
Storage Temperature: -40°C to +85°C, -40°F to 1+85°F
Humidity: 5% to 95% (non-condensing)
IP Rating: IP65
Certification: RohS, WEEE, CE FCC Class B Part 15, UKCA


The PolaRx5S ionospheric monitoring GNSS receiver from Septentrio is available through TerrisGPS. For more information regarding this product, please contact us by completing the Request Pricing form available.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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