Preparation of the VIRAC Radio Telescope RT-32 for e-VLBI Observations

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Abstract: A fully steerable parabolic antenna RT-32 with the mirror diameter 32 m owned by the Ventspils International Radio Astronomy Centre (VIRAC) is available for fundamental and applied research in radio astronomy. The RT-32 is supplied with the receiving systems for the frequency range 327 MHz to 12 GHz. The equipment allows recording of signals in two channels with a bandwidth up to 1 GHz in each. The system has a high stability of the time frame, which is prerequisite for the Very Long Baseline Interferometry (VLBI) observations. In 2012 the RT-32 data receiving systems and the network infrastructure were prepared for the work in the e-VLBI mode. The systems were tested together with the Torun observatory, and later in the EVN e-VLBI observation session at 5 GHz. Experiments have shown that RT-32 is able to observe at a frequency range of 5 GHz and transfer the data in the e-VLBI mode with the speed up to 1 Gbps. The paper describes the current status of RT-32, the application of its receiving and data acquisition units for the e-VLBI observations and the results of the conducted e-VLBI observational experiments.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Preparation of the VIRAC Radio Telescope RT-32 for e-VLBI Observations ; volume:22 ; number:4 ; year:2013 ; pages:329-340 ; extent:12
Open astronomy ; 22, Heft 4 (2013), 329-340 (gesamt 12)

Creator: Skirmante, K.
Bezrukovs, Vl.
Jekabsons, N.
Shmeld, I.

DOI: 10.1515/astro-2017-0163

URN: urn:nbn:de:101:1-2405271631391.227855628297

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:48 AM CEST

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Skirmante, K.
Bezrukovs, Vl.
Jekabsons, N.
Shmeld, I.

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Preparation of the VIRAC Radio Telescope RT-32 for e-VLBI Observations

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Other Objects (12)

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