Velinter.zip: 

ZIP file containing a program (VMS2009.exe) to interpolate 
the velocity values, a grid file wit the model VEMOS2009 referred to the
ITRF2005, an input file for the program (test_in.txt = SIRGAS 1995-2000
stations) as an example and the corresponding output file (test_out.txt).

When the model VEMOS2009 is applied, please cite the following reference:

Drewes, H. and O. Heidbach (2009). The 2009 horizontal velocity model
for South America and the Caribbean. Submitted to C. Pacino et al. (Eds.).
IAG Scientific Assembly "Geodesy for Planet Earth". Buenos Aires, Argentina.
August 31 to September 4, 2009. IAG Symposia Series. 