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Polarization calibration techniques for the new-generation VLBI

2021, Article, Publications, Uncategorized /

Polarization calibration techniques for the new-generation VLBI The calibration and analysis of polarization observations in very long baseline interferometry (VLBI) requires the use of specific algorithms that suffer from several limitations, closely related to assumptions in the data properties that may not hold in observations taken with new-generation VLBI equipment. Currently, the instantaneous bandwidth achievable […]

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Yebes 40 m radio telescope and the broad band Nanocosmos receivers at 7 mm and 3 mm for line surveys

2021, Article, Publications /

Yebes 40 m radio telescope and the broad band Nanocosmos receivers at 7 mm and 3 mm for line surveys Context. Yebes 40 m radio telescope is the main and largest observing instrument at Yebes Observatory and is devoted to very long baseline interferometry (VLBI) and single-dish observations since 2010. It has been covering frequency

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Observatory of Yebes Technological Development Center 2017-2018 Biennial Report

2020, Publications, Report /

Observatory of Yebes Technological Development Center 2017-2018 Biennial Report We present the main technical developments of the Observatory of Yebes (IGN) from years 2017 and 2018 related to geodetic VLBI. P. de Vicente[1], J. A. Lopez-Pérez[1], F. Tercero-Martínez[1], J.M. Serna-Puente[1], B. Vaquero-Jiménez[1], M. Patino-Esteban[1], P. García-Carreño[1], J.D. Gallego-Puyol[1], I. Malo-Gómez[1], I. López-Fernández[1], M. Díez-González[1], J.

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VLBI20-30: a scientific roadmap for the next decade — The future of the European VLBI Network

2020, Article, Publications, Uncategorized /

VLBI20-30: a scientific roadmap for the next decade — The future of the European VLBI Network This white paper describes the science case for Very Long Baseline Interferometry (VLBI) and provides suggestions towards upgrade paths for the European VLBI Network (EVN). The EVN is a distributed long-baseline radio interferometric array, that operates at the very

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Assessment of DTRF2014 and ITRF2014 by Satellite Laser Ranging

2020, Publications, Report /

Assessment of DTRF2014 and ITRF2014 by Satellite Laser Ranging Satellite laser ranging orbital solutions, using observations of satellites LAGEOS and LAGEOS-2 collected from 2000 to 2017, were used to test the performance of two reference frame realisations, ITRF2014 and DTRF2014.We compare the post-fit residuals from solutions where only initial conditions and orbit parameters were solved

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