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Local Surveys |
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Last update : 2021-07-21 Local survey metadata Project
Metadata on local survey products are being collected. Ready to contribute? See our web page: Local survey metadata Project
Co-location survey: online reports
Other documentation
IERS technical note 39: Poyard et al. (2017) IGN best practice for surveying instrument reference points at ITRF co-location sites.
(IERS Technical Note ; 39) Frankfurt am Main: Verlag des Bundesamts fur Kartographie und Geodasie, 45 pp., ISBN 978-3-86482-129-5
Local Ties used in ITRF2014
The local ties in co-location sites used in the ITRF2014 combination are in the form of SINEX files, available here: Local Ties used in ITRF2008
The local ties in co-location sites used in the ITRF2008 combination are in the form of SINEX files, available here: Local Ties used in ITRF2005
The local ties in co-location sites used in the ITRF2005 combination are in the form of SINEX files, available here: Empirical variance factor for each one of the individual local tie solutions (SINEX files) is estimated following the procedure described in Altamimi et al. (2002) A list of local tie vectors, together with their uncertainties as extracted from the re-scaled SINEX files, is also available here: In addition, all the post-fit residuals of the ITRF2005 combination are listed in the following file: ftp://igs.ensg.ign.fr/pub/igs/itrf2005/ITRF2005-RES.DAT Local Ties used in ITRF2000
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