Ultra-Rapid DUT1-Observations with E-VLBI

Open access

Ultra-Rapid DUT1-Observations with E-VLBI

We give a short overview about the achievements of the Fennoscandian-Japanese ultra-rapid dUT1-project that was initiated in early 2007. The combination of real-time data transfer, near real-time data conversion and correlation, together with near-real time data analysis allows to determine dUT1 with a very low latency of less than 5 minutes after the end of a VLBI-session. The accuracy of these ultra-rapid dUT1-results is on the same order than the results of the standard rapid-service of the International Earth Rotation and Reference Frame Service (IERS). The ultra-rapid approach is currently extended to 24 hour sessions and is expected to become an important contribution for the future next generation VLBI system called VLBI2010.

Luzum B., Nothnagel A. (2010) Improved UT1 predictions through low-latency VLBI observations, Journal of Geodesy, DOI 10.1007/s00190-010-0372-8.

Matsuzaka S., Shigematsu H., Kurihara S., Machida M., Kokado K., Tanimoto D. (2008) Ultra Rapid UT1 Experiment with e-VLBI, In: Proc. 5th IVS General Meeting, eds. Finkelstein A., Behrend D., Saint Petersburg, 2008, 68-71.

Nothnagel A., Schnell D. (2008) The impact of errors in polar motion and nutation on UT1 determinations from VLBI Intensive observations, Journal of Geodesy, Vol. 82(12), 863. doi:10.1007/s00190-008-0212-2.

Petrachenko B., Niell A., Behrend D., Corey B., Böhm J., Charlot P., Collioud A., Gipson J., Haas R., Hobiger T., Koyama Y., MacMillan D., Malkin Z., Nilsson T., Pany A., Tuccari G., Whitney A., Wresnik J. (2009) Design Aspects of the VLBI2010 System. Washington, DC, USA: NASA, NASA/TM-2009-214180.

Schlüter W., Behrend D. (2007) The International VLBI Service for Geodesy and Astrometry (IVS): current capabilities and future prospects, Journal of Geodesy, Vol. 81(68):479, doi:10.1007/s00190-006-0131-z.

Sekido M., Takiguchi H., Koyama Y., Kondo T., Haas R., Wagner J., Ritakari J., Kurihara S., Kokado K. (2008) Ultra-rapid UT1 measurements by e-VLBI, Earth Planets and Space, Vol. 60, 865-870.

Artificial Satellites

The Journal of Space Research Centre of Polish Academy of Sciences

Journal Information

CiteScore 2018: 0.61

SCImago Journal Rank (SJR) 2018: 0.211
Source Normalized Impact per Paper (SNIP) 2018: 0.728

Cited By


All Time Past Year Past 30 Days
Abstract Views 0 0 0
Full Text Views 156 112 7
PDF Downloads 65 59 5