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Seitz, Manuela; Bloßfeld, Mathis; Angermann, Detlef; Schmid, Ralf; Gerstl, Michael; Seitz, Florian (2016): The new DGFI-TUM realization of the ITRS: DTRF2014 (data). PANGAEA, https://doi.org/10.1594/PANGAEA.864046

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Abstract:
The DTRF2014 is a realization of the the fundamental Earth-fixed coordinate system, the International Terrestrial Reference System (ITRS). It has been computed by the Deutsches Geodätisches Forschungsinstitut der Technischen Universität München (DGFI-TUM).
The DTRF2014 consists of station positions and velocities of 1712 globally distributed geodetic observing stations of the observation techniques VLBI, SLR, GNSS and DORIS. Additionally, for the first time, non-tidal atmospheric and hydrological loading is considered in the solution. The DTRF2014 was released in August 2016 and incorporates observation data of the four techniques up 2014. The observation data were processed and submitted by the corresponding technique services:
IGS (International GNSS Service, http://igscb.jpl.nasa.gov)
IVS (International VLBI Service, http://ivscc.gsfc.nasa.gov)
ILRS (International Laser Ranging Service, http://ilrs.gsfc.nasa.gov)
IDS (International DORIS Service, http://ids-doris.org).
The DTRF2014 is an independent ITRS realization. It is computed on the basis of the same input data as the realizations JTRF2014 (JPL, Pasadena) and ITRF2014 (IGN, Paris). The three realizations of the ITRS differ conceptually. While DTRF2014 and ITRF2014 are based on station positions at a reference epoch and velocities, the JTRF2014 is based on time series of station positions. DTRF2014 and ITRF2014 result from different combination strategies: The ITRF2014 is based on the combination of solutions, the DTRF2014 is computed by the combination of normal equations.
The DTRF2014 comprises 3D coordinates and coordinate changes of 1347 GNSS-, 113 VLBI-, 99 SLR- and 153 DORIS-stations. The reference epoch is 1.1.2005, 0h UTC. The Earth Orientation Parameters (EOP) - that means the coordinates of the terrestrial and the celestial pole, UT1-UTC and the Length of Day (LOD) - were simultaneously estimated with the station coordinates. The EOP time series cover the period from 1979.7 to 2015.0. The station names are the official IERS identifiers: CDP numbers or 4-character IDs and DOMES numbers (http://itrf.ensg.ign.fr/doc_ITRF/iers_sta_list.txt). The DTRF2014 solution is available in one comprehensive SINEX file and four technique-specific SINEX files, see below. A detailed description of the solution is given on the website of DGFI-TUM (http://www.dgfi.tum.de/en/science-data-products/dtrf2014/). More information can be made available by request.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1File nameFile nameSeitz, Manuela
2File contentContentSeitz, Manuela
3Uniform resource locator/link to fileURL fileSeitz, Manuela
4CommentCommentSeitz, Manuela
Size:
43 data points

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