The accuracy of GNSS post processing is affected by the availability of known antenna calibration parameters for rover and reference antennas. To make sure that antennas involved in the coordinate computation are known, X-pos supports all antennas contained in the current IGS ANTEX file (https://files.igs.org/pub/station/general/igs20.atx). Administrators can download the latest IGS antenna calibration data from the IGS official source.
Once a day, X-pos automatically checks if any new IGS ANTEX files are available and, if that is the case, it is possible to directly extend the X-pos GNSS antenna database by the latest official IGS calibrations. In addition, administrators have the option to upload their own antenna calibration file from the Custom ANTEX Import section.
Every antenna contained in the uploaded ANTEX file(s) is displayed in a table on the GNSS Antennas page of the SBC System Admin portal. For each entry, all relevant information is shown; fields are updated or newly added, every time a new antenna file is uploaded.
Whenever an ANTEX file is uploaded, both from local drive or IGS official source, this action is recorded and displayed in the Audit Log with “GNSS antenna types” as object.