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Homogeneous zenith total delay parameter estimation from European permanent GNSS sites / Wolfgang Söhne in Bulletin of geodesy and geomatics BGG, vol 69 n° 1 (March 2010)

Public [article]  inBulletin of geodesy and geomatics BGG > vol 69 n° 1 (March 2010) . - pp 11 - 20 Titre : Homogeneous zenith total delay parameter estimation from European permanent GNSS sites Type de document : Article/Communication Auteurs : Wolfgang Söhne, Auteur ; Mariusz Figurski, Auteur ; K. Szafranek, Auteur Année de publication : 2010 Article en page(s) : pp 11 - 20 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale [Termes IGN] estimation statistique [Termes IGN] propagation troposphérique [Termes IGN] réseau permanent EUREF [Termes IGN] rotation de la Terre [Termes IGN] station GNSS [Termes IGN] traitement de données GNSS Résumé : (Auteur) Starting in 2001 the EUREF Permanent Network (EPN) Local Analysis Centres (LAC) are delivering Zenith Total Delay (ZTD) parameters which were combined at the BKG (Bundesamt für Kartographie und Geodäsie, Germany) combination facility. The results have been step-by-step improved, depending on several changes of the processing scheme, leading to an internal precision of 2-3 mm ZTD. The availability of a set of homogeneously processed GPS satellite orbits, clocks and Earth Rotation Parameters (ERP) covering a period of more than a decade (the so-called Potsdam-Dresden reprocessing) motivated MUT (Military University of Technology, Poland) to the all-in-one processing of the EPN stations for the same period. The applied strategy thereby followed the guidelines for EPN processing. While the improvement in coordinate estimation has been recently demonstrated, this paper investigates the quality of the ZTD parameters estimated together with the coordinates. Comparisons with the existing EUREF combined solution, with IGS solutions and with radiosonde data will be presented to evaluate the possible improvement in ZTD estimation by reprocessing activities. Numéro de notice : A2010-588 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=77986 [article]

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