Bernese Gps Software Download
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The Bernese GNSS Software is a scientific, high-precision, multi-GNSS dataprocessing software developed at theAstronomical Institute ofthe University of Bern(AIUB). Itis, e.g., used by CODE (Center for Orbit Determination in Europe) for itsinternational (IGS) and European (EUREF/EPN) activities.The software is in a permanent process of development and improvement.This website provides information on thefeatures of the software andhow to obtain it.Please refer to the support page for information on thetested 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"2022-10-23".To update an older version, please select the appropriate form from theOrder page. We also recommend to bring your softwareto the latest release level following theupdate procedure.
We present an attempt to improve the quality of the geomagnetic field measurements from the Polar Orbiting Geophysical Observatory (POGO) satellite missions in the late 1960s. Inaccurate satellite positions are believed to be a major source of errors for using the magnetic observations for field modelling. To improve the data, we use an iterative approach consisting of two main parts: one is a main field modelling process to obtain the radial field gradient to perturb the orbits and the other is the state-of-the-art GPS orbit modelling software BERNESE to calculate new physical orbits. We report results based on a single-day approach showing a clear increase of the data quality. That single-day approach leads, however, to undesirable orbital jumps at midnight. Furthermore, we report results obtained for a much larger data set comprising almost all of the data from the three missions. With this approach, we eliminate the orbit discontinuities at midnight but only tiny quality improvements could be achieved for geomagnetically quiet data. We believe that improvements to the data are probably still possible, but it would require the original tracking observations to be found.
The aim of our study is to attempt to correct the positions of the geomagnetic field measurements of the OGO missions using the advanced orbit software BERNESE and to check the new orbits by investigating how compatible the magnetic data are with a magnetic potential field. BERNESE takes an initial orbit and produces a new admissible orbit which is as close as possible to the old orbit. One can use BERNESE to show that the supplied OGO orbits are not physically possible orbits. The top panel of Fig. 1 shows that BERNESE alters OGO orbits by up to ±200 m. For comparison, we show the same results for the much more recent CHAMP satellite from September 2004 in the bottom p