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dc.contributor.author
Mikschi, Markus
dc.contributor.author
Böhm, Johannes
dc.contributor.author
Schartner, Matthias
dc.date.accessioned
2021-01-13T12:21:16Z
dc.date.available
2021-01-05T13:58:42Z
dc.date.available
2021-01-13T12:21:16Z
dc.date.issued
2020-05
dc.identifier.other
10.5194/egusphere-egu2020-8710
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/459548
dc.identifier.doi
10.3929/ethz-b-000459548
dc.description.abstract
With the number of available VGOS (VLBI Global Observing System) sessions rising, precise coordinates for the participating stations become more important. While station coordinates can be estimated during the VLBI (Very Long Baseline Interferometry) analysis, the definition of the geodetic datum via Not-Net-Rotation (NNR) and No-Net-Translation (NNT) conditions requires at least three participating stations with precise a priori coordinates. The VGOS station network is currently independent of the International Terrestrial Reference Frame (ITRF), as none of the stations have participated in a solution for the ITRF in VGOS mode. By estimating the VGOS station coordinates based on ITRF coordinates, originating from local surveying and solutions of S/X observations by now converted stations, a link to the ITRF can be established. First a global solution, which is the combination of individual sessions on the normal equation level, of the five VGOS CONT17 sessions was calculated. The datum was defined by WESTFORD, ISHIOKA and WETTZ13S whereby the coordinates of the first two stations are known from S/X observations and of the latter from local surveying. With velocities from adjacent stations, the estimated coordinates were used to calculate a global solution of the 2019 VGOS sessions. The obtained coordinates were assessed on basis of formal errors, coordinate repeatability and comparisons of estimated Earth Orientation Parameters (EOP) time series with fixed station coordinates to the 14 C04 a priori dataset.
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Copernicus
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Estimation of VGOS Station Coordinates
en_US
dc.type
Other Conference Item
dc.rights.license
Creative Commons Attribution 4.0 International
ethz.journal.title
EGUsphere
ethz.pages.start
EGU2020-8710
en_US
ethz.size
1 p. (abstract); 8 slides
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.event
EGU General Assembly 2020
en_US
ethz.event.location
Online
en_US
ethz.event.date
May 4-8, 2020
en_US
ethz.notes
Conference lecture held on May 4, 2020. Conference should have been held in Vienna, Austria. Due to the Corona virus (COVID-19) the conference was conducted virtually.
en_US
ethz.publication.place
Göttingen
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02647 - Inst. f. Geodäsie und Photogrammetrie / Institute of Geodesy and Photogrammetry::09707 - Soja, Benedikt / Soja, Benedikt
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02647 - Inst. f. Geodäsie und Photogrammetrie / Institute of Geodesy and Photogrammetry::09707 - Soja, Benedikt / Soja, Benedikt
en_US
ethz.date.deposited
2021-01-05T13:58:51Z
ethz.source
FORM
ethz.eth
no
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2021-01-13T12:21:26Z
ethz.rosetta.lastUpdated
2022-03-29T04:49:09Z
ethz.rosetta.versionExported
true
ethz.COinS
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