III. Geodetic Results of Experiments

III-1. Movements of the Minamitorishima Station

by Yasuhiro KOYAMA, Michito IMAE, Noriyuki KURIHARA, Chihiro MIKI, Yuji SUGIMOTO, Taizoh YOSHINO, Fujinobu TAKAHASHI, Hitoshi KIUCHI, Shin'ichi HAMA, Yukio TAKAHASHI, Hiroshi TAKABA, Takahiro IWATA, Yuko HANADO, Mamoru SEKIDO, Tetsuro KONDO, Jun AMAGAI, Akihiro KANEKO, and Kosuke HEKI


Abstract

The motion of the Minamitorishima Very Long Baseline Interferometry station has been measured over the last five years in Western Pacific VLBI Network experiments. The results of 16 independent experiments indicated its steady motion of the station in the horizontal projection plane. The estimated velocity was 70.9+/-3.0 mm/year toward N71.2+/-2.2W in the latest IERS Terrestrial Reference Frame, ITRF93. The high reliability and quality of the data obtained in the Western Pacific VLBI Network experiments was demonstrated by the estimated horizontal movement of the station being consistent with a constant-velocity linear motion.

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Last Update: Feb. 21, 1995