<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

Ultra-Rapid DUT1-Observations with E-VLBI

Onsala Space Observatory, Chalmers University of Technology, Sweden

Communications Technology, National Institute of Information, Japan

Metsähovi Radio Observatory, Aalto University, Finland

Artificial Satellites

{"article-title":"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...

Ultra-Rapid DUT1-Observations with E-VLBI

Publié en ligne: 01 nov. 2010

Pages: 75 - 79

DOI: https://doi.org/10.2478/v10018-010-0007-6

Mots clés
Very Long Baseline Interferometry, Earth orientation, dUT1-observations, e-VLBI, VLBI2010

This content is open access.

Ultra-Rapid DUT1-Observations with E-VLBI

Publié en ligne: 01 nov. 2010

Pages: 75 - 79

DOI: https://doi.org/10.2478/v10018-010-0007-6

Mots clésVery Long Baseline Interferometry, Earth orientation, dUT1-observations, e-VLBI, VLBI2010

This content is open access.

Mots clés
Very Long Baseline Interferometry, Earth orientation, dUT1-observations, e-VLBI, VLBI2010