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Review of the New International Test Standard for GNSS RTK Measurement Systems

The paper presents the review of the new international standard ISO 17123-8:2015 for testing the precision of GNSS RTK measurement systems. The standard specifies the simplified field test procedure consisting of one measurement session and is used for detecting gross errors without statistical assessment. The field procedure for full precision test of GNSS RTK measurement systems consisting of three measurement sessions is described in details in this paper. It provides additionally the estimation of standard deviations and of statistical testing according to four statistical tests. Compared to the standard ISO 17123-8:2007, a few changes have been introduced into the standard ISO 17123-8:2015. Apart from some designations being changed without changing their meaning, a completely new chapter titled „The Assessment of Combined Standard Uncertainty“ has been introduced where the sources of uncertainties and their amounts are described.

combined standard uncertainty; full test; GNSS RTK measurement system; ISO 17123-8:2015

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