1 - Technique:   VLBI

 2 - Analysis Centre:
     Space Geodesy Center (CGS) - Matera, Italy

 3 - Software used:
     CALC Version:  10.0   SOLVE release: 2006.04.05  SOLVE revision: 2006.04.10

 4 - Data span:
     19800411 - 20111229

 Refer to cgs2012a.trf.txt for further technical description.