LOCAL SURVEYS


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Local Surveys

Last update : 2020-11-10

Local survey metadata form

In the scope of the activity of the IAG working group WG 1.2.1 Methodology for surveying geodetic instrument reference points (joint with IERS), co-location site survey and survey product metadata are being collected. Please fill the following form when sending any new survey SINEX file to the ITRF product center. Note that filled information is planned to be available online to the users of the survey SINEX files.

CSV format: Form_survey_and_SINEX_metatdata.csv
XLS format: Form_survey_and_SINEX_metatdata.xls

Co-location survey: online reports

New report: Mauna Kea, January 2020. Link to other products of this survey.
Table mountain (Colorado, USA) co-location survey at Table Mountain Geophysical Observatory, July 2019. Link to other products of this survey.
Stafford (VA,USA) co-location survey at Midway Naval Research Laboratory's (NRL) Optical Test Facility (OTF), June 2019. Link to other products of this survey.
St. Croix co-location survey, May 2017
New report: Yebes co-location survey, March-November 2016
Ascension co-location survey, July 2015
Cibinong co-location survey, October 2015
Hartebeesthoek co-location survey, February 2014
Grasse co-location survey, August 2013
Fort Davis co-location survey, February 2013. Link to other products of this survey.
Le Lamentin co-location survey, July 2013
Arequipa co-location survey, January 2013
WARKWORTH co-location survey, December 2012
Jiufeng co-location survey, October 2012
WASHINGTON (DC) co-location survey, August 2012. Link to other products of this survey.
Metsahovi co-location survey, July 2012
Tristan-Da-Cunha co-location survey, June 2012
Futuna co-location survey, May 2012
Riyad co-location survey, February 2012
SIMEIZ-KATZIVELY co-location survey, 1994-2004-2008 & 2011
RIKITEA co-location survey, July 2011
PAPEETE co-location survey, July 2011
BREWSTER co-location survey, July 2011. Link to other products of this survey.
ROTHERA co-location survey, February 2011
KOUROU co-location survey, February 2011
DIONYSOS co-location survey, February 2011
GRASSE co-location survey, August 2009
HERSTMONCEUX co-location survey, April 2009
TAHITI GEODETIC OBSERVATORY co-location survey, September 2008
Tidbinbilla co-location survey, November 2007.
SHESHAN co-location survey, December 2005
HARTEBEESTHOEK co-location survey, June 2005
WUHAN co-location survey, January 2005
Local Ties Geodetic Technical Reports available at Geoscience Australia.

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 SINEX files

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 SINEX files

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:

Local ties SINEX files

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:

Local ties table

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

Local ties table