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Symposium SIRGAS2017

Thanks to a kind invitation of the Universidad Nacional de Cuyo and the Universidad Juan Agustín Maza, the Symposium SIRGAS2017 will be held in Mendoza (Argentina), from November 27 to 29, 2017. This symposium is sponsored by the International Association of Geodesy (IAG) and the Pan-American Institute for Geography and History (PAIGH). The main objective of SIRGAS2017 is to bring together the geodetic community of the Americas to exchange experiences about present advances and future challenges related to the implementation, maintenance, and appropriate utilization of the existing reference geodetic infrastructure. In the frame of this symposium, two additional activities are programmed: A workshop on GNSS positioning in real time from November 22 to 24; and a workshop about SLR in Latin America from November 30 to December 1, 2017. More information about the SIRGAS2017 meetings is provided by the Local Organizing Committee at http://ingenieria.uncuyo.edu.ar/sirgas2017/.

New SIRGAS-CON stations

The following station is added in June 2017 to the SIRGAS-CON network:

Bolivia: BSUC (Sucre)

New IGS reference frame: IGS14

The IGS products are computed on the new reference frame IGS14 since January 29, 2017 (GPS week 1934). Given that the weekly analysis of the SIRGAS reference frame is based on the IGS products (i.e. final orbits, Earth orientation parameters, satellite clock offsets), the weekly station positions of SIRGAS refer also to the IGS14 starting with the GPS week 1934. The determination, use, and maintenance of the IGS14 as the IGS reference frame, as well as its relationship with the ITRF2014 and the previous IGS08/IGb08 are presented in the IGS message [IGSMAIL-7399].

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