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Operating Experience of Broadband Acquisition System on RT-13 Radio Telescopes

Evgeny Nosov, Dmitriy Marshalov, Alexey Melnikov

IVS 2016 General Meeting Proceedings "New Horizons with VGOS", Dirk Behrend, Karen D. Baver, and Kyla L. Armstrong (Eds), 53–57 (2016)

Ключевые слова: Digital Backend, BRAS, DAS, RT-13, Radio Telescope, VLBI, Quasar network, Kvazar

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Broadband Acquisition System (BRAS) was designed to digitize wideband signals from receivers of radio telescopes, pack the digital samples into VDIF frames and transmit them through 10G thernet interface. The system has been installed in Badary and Zelenchukskaya observatories on the recently constructed 13-meters radio telescopes (RT-13) in February–March 2015. Since November 2015, IAA RAS performs regular observations with RT-13 equipped with BRAS. Besides, BRAS has been used in several international experiments. The paper describes the design of BRAS and its performance and results.