The positions database currently contains data between Jan 2001 and Dec 2007. This database is created from Phil's archive tables(for spectral line data at AO).
For deatils regarding archiving, please see Phil's page on "Archiving spectral line data at AO" (http://www.naic.edu/~phil/talks/ausac03/talk.pag1)
If you have any suggestions, please contact Gomathi Thai (gomathi@naic.edu)