Summary: This Technical Note describes the activities of the GBOT workpackage during DPAC Operations Rehearsal 3 in detail and discusses the outcome and occurring problems.
Additionally (this leads beyond the actual scope of the OR3) the obtained data is subjected to an analysis. Finally, recommendations for the operational phase of the Gaia project for GBOT are issued.

Bibtex entry for this abstract:

@UNPUBLISHED{LL:MA-013,
   author = {M.~Altmann and S.~Bouquillon and F.~Taris and others},
   title={{R}eport on {G}{B}{O}{T}'s activities during {O}{R}3 - {P}rocedural course of events and an analysis of the obtained dataset},
   institution={Astronomisches Rechen-Institut, Heidelberg (part of ZAH, Zentrum fuer Astronomie, Heidelberg)},
   year={2013},
   month={August},
   url={http://www.rssd.esa.int/doc_fetch.php?id=3220530},
   note={GAIA-C3-TN-ARI-MA-013},
   type={Technical Note}
}