SIMuRG: System for Ionosphere Monitoring and Research from GNSS

GPS Solutions volume 24, Article number: 69 (2020) Cite this article

Abstract

Currently, more than 6000 operating GNSS receivers deliver observations to multiple servers. Ionospheric data are derived from these measurements providing outstanding space coverage and time resolution. There are about 200 million independent measurements daily. Researchers need sophisticated software tools to deal with such a large amount of data. We present recent advances and products from the System for Ionosphere Monitoring and Research from GNSS (SIMuRG). Currently, SIMuRG provides the total electron content (TEC) variations filtered within 2–10 min, 10–20 min, and 20–60 min, the Rate of the TEC Index, the Along Arc TEC Rate index, and the vertical TEC. SIMuRG is an online service at http://simurg.iszf.irk.ru. The system can be used free of charge and allows calculating both maps and series for arbitrary time intervals and geographic regions. All the data products are available in the form of data or figures. We discuss the system and its geophysics applications.

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Acknowledgements

The authors thank A.S. Shabalin for his help at the beginning of the research, A.A. Kustavinova for the Logo made for the system, and Dr. R.V. Zagretdinov for his help on GNSS networks in Russia. This work was performed under the Russian Science Foundation Grant No. 17-77-20005. In the research, we used GNSS data obtained and stored by Scripps Orbit and Permanent Array Center, UCSD, IGS (Dow et al. 2009), Bundesamt für Kartographie und Geodäsie (BKG) Data Center IGS, Wuhan University, Crustal Dynamics Data Information System (CDDIS), Korea Astronomy and Space Institute, National Geodetic Survey (Data from NOAA’s National Geodetic Survey, Continuously Operating Reference Station network of Global Navigation Satellite System reference stations that is referenced here is publicly available in multiple data protocols online at https://www.ngs.noaa.gov/CORS/data.shtml), the UNAVCO facility, the Geospatial Information Authority of Japan (GSI), Système d’Observation du Niveau des Eaux Littorales (SONEL), the EUREF Permanent Network Services, Geoscience Australia, the New Zealand GeoNet project, the State GPS network of the Republic of Bulgaria, Institut Geographique National, Instituto Geográfico Nacional, Instituto Tecnológico Agrario de Castilla y León, Geodetic Data Archiving Facility, Instituto Brasileiro de Geografia e Estatística, Canadian High Arctic Ionospheric Network, and Angara Common Use Center (http://ckp-rf.ru/ckp/3065) operating under budgetary funding of Basic Research program II.16.

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Affiliations

  1. Institute of Solar-Terrestrial Physics of Siberian Branch of Russian Academy of Sciences, PO Box 291, Irkutsk, Russia, 664033

    Yury V. Yasyukevich, Alexander V. Kiselev, Ilya V. Zhivetiev, Ilya K. Edemskiy, Semen V. Syrovatskii, Boris M. Maletckii & Artem M. Vesnin

  2. Institute of Atmospheric Physics, Czech Academy of Science, Boční II, 1401, 14131, Prague, Czech Republic

    Ilya K. Edemskiy

  3. M.V. Lomonosov Moscow State University, Moscow, Russia

    Semen V. Syrovatskii

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  1. Yury V. Yasyukevich
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  2. Alexander V. Kiselev
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  3. Ilya V. Zhivetiev
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  4. Ilya K. Edemskiy
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  7. Artem M. Vesnin
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Correspondence to Yury V. Yasyukevich.

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Yasyukevich, Y.V., Kiselev, A.V., Zhivetiev, I.V. et al. SIMuRG: System for Ionosphere Monitoring and Research from GNSS. GPS Solut 24, 69 (2020). https://doi.org/10.1007/s10291-020-00983-2

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Keywords

  • Total electron content
  • Ionosphere
  • GPS
  • GLONASS
  • GNSS
  • Ionospheric irregularities