Ultra rapid dUT1 estimations from e-VLBI sessions
Paper in proceeding, 2010
Promptness of the data processing of the international VLBI observations has been continuously improved in the past decades. In particular, e-VLBI technique has proved that it has a capability to shorten the latency by transferring the observed data to the correlator by using high speed communication networks. The method has been introduced to routine intensive VLBI sessions to monitor dUT1. To improve the promptness even further, we started an initiative to develop automated data transfer and data processing systems using Europe-Japan baselines. On February 21, 2008, we succeeded to demonstrate the effectiveness of the developed systems and estimated the dUT1 parameter 3 minutes 45 seconds after the last scan of the one hour intensive style e-VLBI session. This achievement was realized by the developments of the K5/VSSP32 data acquisition terminal, automated data processing and analysis software.
geodetic VLBI
earth rotation
Author
Yasuhiro Koyama
Japan National Institute of Information and Communications Technology
Tetsuro Kondo
Japan National Institute of Information and Communications Technology
Ajou University
Mamoru Sekido
Japan National Institute of Information and Communications Technology
Thomas Hobiger
Japan National Institute of Information and Communications Technology
Hiroshi Takiguchi
Japan National Institute of Information and Communications Technology
Kozin Wada
Geographical Survey Institute of Japan
Shinobu Kurihara
Geographical Survey Institute of Japan
Rüdiger Haas
Chalmers, Earth and Space Sciences, Space Geodesy and Geodynamics
Jan Wagner
Aalto University
Ari Mujunen
Aalto University
Jouko Ritakari
Aalto University
Advances in Geosciences: Volume 20: Solid Earth (SE); World Scientific Publishing Company
Vol. 20 197-204
978-981283818-6 (ISBN)
Subject Categories
Physical Sciences
Earth and Related Environmental Sciences
Roots
Basic sciences
DOI
10.1142/9789812838186_0012
ISBN
978-981283818-6