@unpublished{TUW-264137, author = {McCallum, Lucia and McCallum, Jamie and Hellerschmied, Andreas and B{\"o}hm, Johannes}, title = {Space Tie Satellites For Millimetre Precision Geodesy - a VLBI Perspective}, year = {2017}, note = {talk: Australian Geodesy Meeting, Sydney, Australia; 2017-06-28 -- 2017-06-29} }