Borowiec ./Space Research Cntr. of Polish Acad. Sci
Grasse ./OCA/CERGA
Katzively ./Lebedev Physical Institute in the Crimea
Riga ./Astronomical Institute, Univ. of Latvia
Simeiz ./334242 Simeiz
Zimmerwald ./Astronomical Institute of Berne
Changchun ./Changchun Satellite Tracking Obs.
JAXA ./Japan Aerospace Exploration Agency
Mendeleevo ./IMVP VNIIFTRI
SAO-1 ./SAO-1/Telespazio, S.P.A.
Wettzell ./Fundamentalstation Wettzell
Fahad Al-Zaaydey/KACST/Institute of Space Research
Kalvis Salminsh/Institute of Astronomy, Univ. of Latvia
Dr. Suriya K. Tatevian/Inst. of Astron./RAS, Space Geodesy Dept