Welcome to the website of the Bernese GNSS Software

The Bernese GNSS Software is a scientific, high-precision, multi-GNSS data processing software developed at the Astronomical Institute of the University of Bern (AIUB). It is, e.g., used by CODE (Center for Orbit Determination in Europe) for its international (IGS) and European (EUREF/EPN) activities. The software is in a permanent process of development and improvement.

This website provides information on the features of the software and how to obtain it. Please refer to the support page for information on the tested platforms, bug fixes, and how to reach us for technical support.

The current version the Bernese GNSS Software is "5.4", with the release date of "2023-10-16". To update an older version, please select the appropriate form from the Order page. We also recommend to bring your software to the latest release level following the update procedure.


  • We are pleased to present the new version 5.4 of the Bernese GNSS Software supporting highlights like:
    • Multi-GNSS capability
    • Enhanced satellite orbit modelling
    • Ambiguity resolution for PPP
    • Support of latest IGS/IERS conventions and file formats
    For more details, see the features section.

  • The CODE reprocessing series ‐ Repro3 is available for download and use: DOI  10.7892/boris.135946.
  • IGS-repro3/IGS20 update: changes w.r.t. Igb14. Presenting the changes applicable to both Bernese GNSS Software Version 5.2 and 5.4 in view of IGS-repro3 and the forthcoming IGS20 reference frame.

You are kindly asked to refer the use of the Bernese GNSS Software by
  • Dach, R., S. Lutz, P. Walser, P. Fridez (Eds); 2015: Bernese GNSS Software Version 5.2. User manual, Astronomical Institute, University of Bern, Bern Open Publishing. DOI: 10.7892/boris.72297; ISBN: 978-3-906813-05-9.

The Bernese GNSS Software is used all over the world

Currently, more than 700 institutions from all over the world are registered in the user database of the Bernese GNSS Software. The locations of these institutions are indicated in the map below.