Publications

IGN Yebes Observatory Technology Development Center 2021–2022 Report

2023, Publications, Report / By

IGN Yebes Observatory Technology Development Center 2021–2022 Report The main technical developments of the Yebes Observatory (IGN, Spain) in 2021 and 2022 related to geodetic VLBI are introduced. J. A. Lopez-Pérez[1], C. Albo-Castaño[1], R. Amils-Samalot[1], L. Barbas-Calvo[1], M. Bautista-Durán[1], F. J. Beltrán-Martínez[1], M. Díez-González[1], J. D. Gallego-Puyol[1], P.García-Carreño[1], A. García-Castellano[1], A. García-Marín[1], O. García-Pérez[1], G. …

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A Simulation Study Exploring The Capabilities Of The RAEGE Frame Within The IVS And Beyond

2023, Poster, Publications / By

A Simulation Study Exploring The Capabilities Of The RAEGE Frame Within The IVS And Beyond RAEGE commenced in 2011 with a Memorandum of Understanding between the Governments of Azores and Spain to set up a Very Long Baseline Interferometry VLBI observing network consisting of four antennas situated at Yebes (near Madrid), and on the islands …

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Single-dish observations of methanol masers at 6.67 and 12.2 GHz with a 13.2 m VGOS radio telescope in the Mid-Atlantic

2023, Poster, Publications / By

Single-dish observations of methanol masers at 6.67 and 12.2 GHz with a 13.2 m VGOS radio telescope in the Mid-Atlantic The RAEGE network (Portuguese/Spanish acronym for Atlantic Network of Geodynamic and Space Stations) is a cooperation project between the National Geographic Institute of Spain and the Regional Government of the Azores. The project will build …

Single-dish observations of methanol masers at 6.67 and 12.2 GHz with a 13.2 m VGOS radio telescope in the Mid-Atlantic Read More »

The compatibility of DORIS with VGOS

2023, Poster, Proceeding, Publications / By

The compatibility of DORIS with VGOS The most precise global geodetic reference frame, the International Terrestrial Reference Frame (ITRF), is based on four space geodesy techniques: Very Long Baseline Interferometry (VLBI), Satellite Laser Ranging (SLR), Global Navigation Satellite Systems (GNSS) and the Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) System. All four techniques complement …

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Assessing The Consistency Of The Conventional Reference Frames (Terrestrial And Celestial) And Their Impact On Estimated EOP Using VLBI-Based Data

2023, Presentation, Publications / By

Assessing The Consistency Of The Conventional Reference Frames (Terrestrial And Celestial) And Their Impact On Estimated EOP Using VLBI-Based Data The conventional International Terrestrial Reference Frame (ITRF) is based on the combination of solutions from several space geodetic techniques, including observations until the end of 2020, and incorporates updated data and models. In contrast, the …

Assessing The Consistency Of The Conventional Reference Frames (Terrestrial And Celestial) And Their Impact On Estimated EOP Using VLBI-Based Data Read More »

Radio astronomy with multiband receivers and frequency phase transfer: Scientific perspectives

2023, Publications, Report / By

Radio astronomy with multiband receivers and frequency phase transfer: Scientific perspectives The technique of frequency phase transfer (FPT), enabled by multiband receivers with shared optical path (SOP), is set to become a true backbone of VLBI operations at frequencies above 22 GHz. The FPT has been successfully implemented at the Korean VLBI Network (KVN), while …

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Performance of the VGOS radio telescope with as-built feed and geometry using electromagnetic simulation

2023, Proceeding, Publications / By

Performance of the VGOS radio telescope with as-built feed and geometry using electromagnetic simulation This paper reports on electromagnetic simulations performed of the as-built VGOS (VLBI Global Observing System) 13.2-metre Radio Telescope at the Hartebeesthoek Radio Astronomy Observatory (HartRAO). Specifically, the telescope performance with a measured quadruple-ridge flared horn (QRFH) and with actual surfaces and …

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VLBI-Based Assessment Of The Consistency Of The Conventional EOP Series And The Reference Frames (Terrestrial And Celestial)

2023, Poster, Publications / By

VLBI-Based Assessment Of The Consistency Of The Conventional EOP Series And The Reference Frames (Terrestrial And Celestial) The Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG) envisages stringent goals for the International Terrestrial Reference Frame (ITRF) realization in terms of accuracy (1 mm) and precision (0.1 mm/year). These requirements entail that …

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