Onsala Space Observatory / Vienna University of Technology / Kashima station / Kokee station / Tsukuba station / Laboratory of Indiana University / Massachusetts Institute of Technology / National Institute of Informatics / Haystack Observatory / National Metsähovi Institute station / Metsähovi observatory / Metsähovi station / Onsala station / Geographical Survey Institute / VLBI station / VLBI station Station / /
International Earth Rotation and Reference Systems Service / Geographical Survey Institute / US Federal Reserve / National Aeronautics and Space Administration / Massachusetts Institute of Technology / VLBI Service for Geodesy / Vienna University of Technology / Indiana University / /