Record link: 
http://hdl.handle.net/20.500.12708/204252
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Title: 
Cross-polarization Gain Calibration of VGOS Antennas
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Citation: 
Jaron, F. F. D., Marti-Vidal, I., Schartner, M., Gonzalez Garcia, J., Ezequiel Albentosa, Bernhart, S., Böhm, J., Modiri, S., Nothnagel, A. G., Pérez‐Díez, V., Savolainen, T., Soja, B., Varenius, E., Xu, M., & Cheung, C. (Teddy). (2024, October 23). Cross-polarization Gain Calibration of VGOS Antennas [Conference Presentation]. 9th International VLBI Technology Workshop, MIT Haystack Observatory, United States of America (the). http://hdl.handle.net/20.500.12708/204252
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Publication Type: 
Presentation - Conference Presentation
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Language: 
English
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Authors: 
Jaron, Frederic Felix Daniel 
Marti-Vidal, Ivan 
Schartner, Matthias 
Gonzalez Garcia, Javier 
Ezequiel Albentosa 
Bernhart, Simone 
Böhm, Johannes 
Modiri, Sadegh 
Nothnagel, Axel Gerhard 
Pérez‐Díez, Victor 
Savolainen, Tuomas 
Soja, Benedikt 
Varenius, Eskil 
Xu, Minghui 
Cheung, Chi (Teddy) 
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Organisational Unit: 
E120-04 - Forschungsbereich Höhere Geodäsie 
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Date (published): 
23-Oct-2024
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Event name: 
9th International VLBI Technology Workshop 
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Event date: 
20-Oct-2024 - 23-Oct-2024
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Event place: 
MIT Haystack Observatory, United States of America (the)
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Keywords: 
VLBI; VGOS; Polarization
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Abstract: 
Antennas of the VLBI Global Observing System (VGOS) observe dual linear polarization. Calibration of the complex gain differences between the two polarizers of each antenna is neccesary in order to form Stokes I and to maximize the signal-to-noise ratio of observables. On this poster we present results from a detailed investigation of VGOS cross-polariazation bandpasses and a search for suitable calibrator sources.
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Research facilities: 
Vienna Scientific Cluster 
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Project title: 
Quellenstruktur beim VGOS Fringe-Fitting: P35920-N (FWF - Österr. Wissenschaftsfonds) 
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Research Areas: 
Telecommunication: 80%
Beyond TUW-research focus: 20%
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Science Branch: 
2074 - Geodäsie, Vermessungswesen: 70%
1020 - Informatik: 15%
1054 - Physische Geographie: 15%
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