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## EOP Evaluation and Activities to Improve the Facilities of the SSTF’s Main Metrological Centre

Transactions of IAA RAS, issue 49, 60–68 (2019)

Keywords: Earth’s orientation parameters, EOP service, VLBI, GNSS, SLR, altimetry

### Abstract

This article considers the activities in 2018 and early 2019 to determine the Earth orientation parameters (EOP) and to improve the facilities used by the Main Metrological Centre (MMC) of the State Service for Time, Frequency and EOP evaluation (SSTF). The MMC SSTF made the GNSS and SLR measurements. The sites of the VNIIFTRI and its East-Sibarian branch (Mendeleevo and Irkutsk) were equipped by the new generation satellite laser stations. The EOP were evaluated separately for the VLBI, GNSS or SLR observation techniques. The MMC SSTF’s EOP were combined with the EOP data from other Russian Analysis Centres in order to produce the SSTF’s combined EOP. The MMC SSTF developed and upgraded its software both for the EOP evaluation and for some other tasks (such as evaluation of ephemeris and clocks for GPS/GLONASS and the satellite altimetry data processing).

### Citation

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S. L. Pasynok, I. V. Bezmenov, I. Yu. Ignatenko, E. N. Tsyba, V. E. Zharov. EOP Evaluation and Activities to Improve the Facilities of the SSTF’s Main Metrological Centre // Transactions of IAA RAS. — 2019. — Issue 49. — P. 60–68. @article{pasynok2019, abstract = {This article considers the activities in 2018 and early 2019 to determine the Earth orientation parameters (EOP) and to improve the facilities used by the Main Metrological Centre (MMC) of the State Service for Time, Frequency and EOP evaluation (SSTF). The MMC SSTF made the GNSS and SLR measurements. The sites of the VNIIFTRI and its East-Sibarian branch (Mendeleevo and Irkutsk) were equipped by the new generation satellite laser stations. The EOP were evaluated separately for the VLBI, GNSS or SLR observation techniques. The MMC SSTF’s EOP were combined with the EOP data from other Russian Analysis Centres in order to produce the SSTF’s combined EOP. The MMC SSTF developed and upgraded its software both for the EOP evaluation and for some other tasks (such as evaluation of ephemeris and clocks for GPS/GLONASS and the satellite altimetry data processing).}, author = {S.~L. Pasynok and I.~V. Bezmenov and I.~Yu. Ignatenko and E.~N. Tsyba and V.~E. Zharov}, doi = {10.32876/ApplAstron.49.60-68}, issue = {49}, journal = {Transactions of IAA RAS}, keyword = {Earth’s orientation parameters, EOP service, VLBI, GNSS, SLR, altimetry}, pages = {60--68}, title = {EOP Evaluation and Activities to Improve the Facilities of the SSTF’s Main Metrological Centre}, url = {http://iaaras.ru/en/library/paper/1969/}, year = {2019} } TY - JOUR TI - EOP Evaluation and Activities to Improve the Facilities of the SSTF’s Main Metrological Centre AU - Pasynok, S. L. AU - Bezmenov, I. V. AU - Ignatenko, I. Yu. AU - Tsyba, E. N. AU - Zharov, V. E. PY - 2019 T2 - Transactions of IAA RAS IS - 49 SP - 60 AB - This article considers the activities in 2018 and early 2019 to determine the Earth orientation parameters (EOP) and to improve the facilities used by the Main Metrological Centre (MMC) of the State Service for Time, Frequency and EOP evaluation (SSTF). The MMC SSTF made the GNSS and SLR measurements. The sites of the VNIIFTRI and its East-Sibarian branch (Mendeleevo and Irkutsk) were equipped by the new generation satellite laser stations. The EOP were evaluated separately for the VLBI, GNSS or SLR observation techniques. The MMC SSTF’s EOP were combined with the EOP data from other Russian Analysis Centres in order to produce the SSTF’s combined EOP. The MMC SSTF developed and upgraded its software both for the EOP evaluation and for some other tasks (such as evaluation of ephemeris and clocks for GPS/GLONASS and the satellite altimetry data processing). DO - 10.32876/ApplAstron.49.60-68 UR - http://iaaras.ru/en/library/paper/1969/ ER -