2022

Geodetic Analyses at the National Geographic Institute of Spain

2022, Proceeding, Publications / By

Geodetic Analyses at the National Geographic Institute of Spain The National Geographic Institute of Spain (IGN Spain) develops, operates, and exploits the Spanish national geodetic networks and their associated infrastructure. This includes the permanent networks of reference GNSS (Global Navigation Satellite System) receivers, VLBI (Very Long Baseline Interferometry) telescopes, and a new SLR (Satellite Laser …

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RAEGE: the Spanish-Portuguese Infrastructure of Geodetic Stations

2022, Proceeding, Publications / By

RAEGE: the Spanish-Portuguese Infrastructure of Geodetic Stations This contribution will show the current status of the joint Spanish-Portuguese infrastructure for Space Geodesy called RAEGE, which stands for Red Atlántica de Estaciones Geodinámicas y Espaciales. This infrastructure will consist of four space geodesy stations, two in Spain (Yebes and Gran Canaria) and two in Portugal (Santa …

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VLBI-based assessment of the consistency of the conventional EOP series and the terrestrial reference frames

2022, Proceeding, Publications / By

VLBI-based assessment of the consistency of the conventional EOP series and the terrestrial reference frames Abstract The Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG) envisages stringent accuracy goals for the International Terrestrial Reference Frame (ITRF) realization in terms of position (1 mm) and velocity (0.1 mm/year). These requirements entail that …

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VLBI for Geodesy: Fundamentals, Operation, Products & Applications

2022, Lecture, Publications / By

VLBI for Geodesy: Fundamentals, Operation, Products & Applications The RAEGE network (Portuguese-Spanish acronym for Atlantic Network of Geodynamic and Space Stations) is a project resulting from the cooperation between the National Geographic Institute of Spain (IGN) and the Government of Azores. It is a unique project at a geodetic and geodynamic level, in which it …

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RAEGE Project: Status, Analysis Endeavours, and Future Prospects

2022, Presentation, Publications / By

RAEGE Project: Status, Analysis Endeavours, and Future Prospects RAEGE (Atlantic Network of Geodynamic and Space Stations) is a project resulting from the cooperation between the National Geographic Institute of Spain (IGN) and the Government of Azores. It is a unique project at a geodetic and geodynamic level, in which it is committed to the combination …

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Analysis of VGOS sessions: Evaluation of performance with different software

2022, Proceeding, Publications / By

Analysis of VGOS sessions: Evaluation of performance with different software VGOS (VLBI Global Observation System) is a new generation VLBI system. It has been developed since 2005 and it is based on the so-called broadband delay that uses four or more frequency bands. High data rate observations are taken by fast-slewing antennas, smaller than those …

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New Cable Delay Measurement System for VGOS Stations

2022, Article, Publications / By

New Cable Delay Measurement System for VGOS Stations This paper presents the new cable delay measurement system (CDMS) designed at Yebes Observatory (IGN, Spain), which is required for the VLBI Global Observing System (VGOS) stations. This system measures the phase difference between the 5 MHz reference signal from the hydrogen maser and the 5 MHz …

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