Robert A. Preston, S. J. Tingay, D. W. Murphy, D. L. Meier, D. L. Jones, M.
L. Lister, B. G. Piner
Jet Propulsion Laboratory, Pasadena, California
91109
T.J. Pearson, A.C.S. Readhead
California Institute of Technology,
Pasadena, California
H. Hirabayashi and H. Kobayashi
Institute of Space and Astronautical
Science, Sagamihara, Japan
M. Inoue
Nobeyama Radio Observatory, Nobeyama, Japan