Abstract
International and national standards for testing and calibration of geodetic measuring instruments specify the procedures of testing and calibration, as well as the presentation of measurements results with the estimation of measuring uncertainty. The paper presents only the international standards for testing and calibration of geodetic measuring instruments because the national standards are identical to original international standards. The paper includes the automation procedures of testing the precision of the following geodetic measuring instruments: levels according to the standard ISO 17123-2:2001, theodolites according to ISO 17123-3:2001, and GNSS RTK measuring system according to ISO 17123-8:2007. For the purpose of automating the testing of the precision of geodetic measuring instruments according to the above mentioned standards, the computer programme GeodISO has been prepared, using modern programme language C#. This programme provides the processing of measurement data, the performance of adequate statistical tests and the preparation of test reports.
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