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Comparison of Russian Ru-U and IVS Intensive Series

Sergei Kurdubov, Alexey Melnikov

IVS 2014 General Meeting Proceedings "VGOS: The New VLBI Network", Dirk Behrend, Karen D. Baver, and Kyla L. Armstrong (Eds), 321–324 (2014)

Ключевые слова: VLBI, Intensive, Ru-U, UT1–UTC, “Quasar”

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This article presents results of a comparison of the Russian national UT1–UTC estimation observing program Ru-U and the international IVS Intensive program. It is shown that the Ru-U sessions performed with good accuracy and that the Ru-U results can be included in the international VLBI data processing scheme. A comparison of different distributions shows that the problem of the lack of correlation between single delay formal errors and UT1 estimates are present both in the Ru-U and the IVS Intensive series.