Results 1 to 10 of about 428 (159)
SIRGAS Reference Frame Analysis at DGFI–TUM
Journal of Geodetic Science, 2022 The Deutsches Geodätisches Forschungsinstitut (DGFI) has been involved in the research activities of the Latin American Reference Frame SIRGAS since its establishment in 1993.
Alexander Kehm +2 more
exaly +8 more sources
Quality Control of SIRGAS ZTD Products
Journal of Geodetic Science, 2022 The SIRGAS-CON network currently has more than 450 continuous GNSS stations, and it is used for geodetic purposes. In atmospheric studies, it is used for ionospheric monitoring and for the estimation of zenith tropospheric delays (ZTDs). From the Neutral
Patricia A Rosell +1 more
exaly +4 more sources
Historical Development of SIRGAS
Journal of Geodetic Science, 2022 The Geodetic Reference System for the Americas (Sistema de Referencia Geodésico para las Américas, SIRGAS) was initiated in 1993 for South America at an international conference organised by the International Association of Geodesy (IAG), the Pan ...
Drewes Hermann
exaly +3 more sources
Primeros veinte años de SIRGAS
Revista Cartográfica, 2019 Se sintetizan los acontecimientos que jalonaron los primeros veinte años del “Sis- tema de Referencia Geocéntrico para las Américas” (SIRGAS), a la vez que se rinde un tributo a las instituciones y personalidades que los han hecho posibles.
Laura Sanchez, Claudio Brunini
exaly +6 more sources
IngenierÍa, 2017 Se cuantificaron las discrepancias en las coordenadas geocéntricas [X,Y,Z] obtenidas entre soluciones GPS procesadas en línea con el software del Canadian Space Reference System (CSRS) bajo la modalidad de Posicionamiento Puntal Preciso (PPP) y las ...
Jorge Moya Zamora
exaly +4 more sources
International Association of Geodesy Symposia, 2015 The main objective of SIRGAS (Sistema de Referencia Geocentrico para las Americas) is to provide an accurate spatial and time-referenced infrastructure as a basis for Earth System research and to support scientific and practical applications based on high-precise positioning.
C Brunini, H Drewes
exaly +3 more sources
Wet tropospheric correction for satellite altimetry using SIRGAS-CON products
Journal of Geodetic Science, 2022 The wet tropospheric correction (WTC) is a required correction to satellite altimetry measurements, mainly due to the atmospheric water vapor delay. On-board microwave radiometers (MWR) provide information for WTC estimation but fail in coastal zones and
Prado Anderson +3 more
doaj +3 more sources
Status of the SIRGAS Reference Frame: Recent Developments and New Challenges
International Association of Geodesy Symposia, 2023 AbstractIn accordance with recent developments of the International Association of Geodesy (IAG) and the policies promoted by the Subcommittee on Geodesy of the United Nations Committee of Experts on Global Geospatial Information Management (UN-GGIM), a main goal of the Geodetic Reference System for the Americas (SIRGAS) is the procurement of an ...
Sônia Maria Alves Costa +20 more
exaly +3 more sources
SIRGAS-WGIII activities for unifying height systems in Latin America
Revista Cartográfica, 2019 Since 1997 SIRGAS (Geocentric Reference System for the Americas) is acting for establishing a unified SIRGAS Vertical Reference System (SVRS) in Latin Ameri- ca and the Caribbean.
Silvio R.C. de Freitas
doaj +2 more sources
Geodesy and Cartography, 2014 Dostęp do nowoczesnych technologii, w tym GNSS umożliwiły dokładniejsze zdefi niowanie systemów odniesień przestrzennych wykorzystywanych m.in. w defi niowaniu krajowych układów odniesień i układów współrzędnych.
Tierra Alfonso, Romero Ricardo
exaly +3 more sources