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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 /

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 […]

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

2023, Publications, Report /

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 /

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 /

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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RAEGE – An Atlantic Network of Space Geodetic Stations

2023, Lecture, Publications /

RAEGE – An Atlantic Network of Space Geodetic Stations The RAEGE project (Portugues/Spanish acronym for Atlantic Network of Geodynamic and Space Stations) is a cooperation project established between the Government of Spain and the Regional Government of the Azores that intends the construction and operation of 4 fundamental space geodetic stations: 2 in Spain (Yebes

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Santa Maria station: a GGOS station in Azores and the RAEGE Network

2023, Presentation, Publications /

Santa Maria station: a GGOS station in Azores and the RAEGE Network General description of RAEGE network, the stations and its activities taking a closer look to the RAEGE Station of Santa Maria, an island in the North-Atlantic Ocean.  João S. Ferreira[1] Type Presentation Event GGOS Affiliate Japan Annual Meeting 2023 [1] Estação RAEGE de Santa

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RAEGE Station of Santa Maria 2021–2022 Biennial Report

2023, Publications, Report /

RAEGE Station of Santa Maria 2021–2022 Biennial Report The RAEGE Station of Santa Maria, located in the Azores archipelago (Portugal), is one of the four stations of the RAEGE Network. As an highlight for this period one shall mention the installation of the new VGOS broadband receiver, the determination of the local tie pillars position

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The Yebes Observatory and the future VLBI correlator for the RAEGE network

Leave a Comment / 2023, Proceeding, Publications /

The Yebes Observatory and the future VLBI correlator for the RAEGE network This paper describes the geodetic VLBI activities carried out at the Yebes Observatory and gives an update about the status of the RAEGE project. The design of a VLBI correlator for the RAEGE network has just started based on the experience gained with

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