Verification of the polish geodetic reference frame by means of a new solution based on permanent GNSS data from the years 2011-2014

Tomasz Liwosz , M. Ryczywolski

Abstract

The new solution for the Polish geodetic primary GNSS network was created to verify the currently used reference frame (PL-ETRF2000). The new solution is based on more GNSS data (more daily observation sessions included, longer data span, GLONASS observations added) which were processed in a newer reference frame (IGb08) according to the up-to-date methodology and using the latest version of Bernese GNSS Software. The new long-term solution (spanning 3.7 years) was aligned to IGb08 reference frame using minimum constraints approach. We categorized Polish reference stations into two categories according to their data length. We obtained a good agreement of the new solution with the PL-ETRF2000: for most stations position differences did not exceed 5 mm in horizontal, and 10 mm in up components. However, for 30 stations we observed discontinuities in position time series, mostly due to GNSS equipment changes, which occured after the introduction of PL-ETRF2000. Position changes due to the discontinuities reached 9.1 mm in horizontal components, and 26.9 mm in up component. The new solution takes into account the position discontinuities, and in addition also includes six new stations which were installed after the introduction of the PL-ETRF2000. Therefore, we propose to update the curently used reference frame for the Polish geodetic primary network (PL-ETRF2000) with the new solution. The new solution was also accepted by the EUREF Technical Working Group as a class A solution (highest accuracy) according to EUREF standards
Author Tomasz Liwosz KGAG
Tomasz Liwosz,,
- Chair of Geodesy and Geodetic Astronomy
, M. Ryczywolski
M. Ryczywolski,,
-
Journal seriesReports on Geodesy and Geoinformatics, ISSN 2391-8365, e-ISSN 2391-8152
Issue year2016
No102/2016
Pages52-66
Publication size in sheets5.1
Keywords in Englishreference frames, GNSS, ETRF2000, ASG-EUPOS
DOIDOI:10.1515/rgg-2016-0027
Internal identifier114/2016
Languageen angielski
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2016_Liwosz_Ryczywolski_Verification_of_the_Polish_.pdf 1.76 MB
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2016_Oświadczenie_Liwosz, Ryczywolski_Verification of the polish.pdf 781.12 KB
Score (nominal)13
ScoreMinisterial score [Punktacja MNiSW] = 13.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) [Punktacja MNiSW (2013-2016)] = 13.0, 28-11-2017, ArticleFromJournal
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