PROPOSAL CODE: BM232 PROPOSAL TITLE: Proper motions of the H2O masers toward OH12.8-0.9 PROPOSAL STATUS ( 04/28/05 ): Approved for dynamic scheduling, high priority Proposal Selection Committee - April 8, 2005: Y1 should not be requested to enhance sensitivity at high frequencies, because that forces the segment to a fixed date which might have unsuitable weather and, thus, degraded sensitivity. CURRENT TIME ALLOCATION: 3 times 5.0 hrs dynamically scheduled centered at LST 18.0 with 64 Mbits/sec recording E-MAIL ADDRESS OF YOUR AOC TECHNICAL CONTACT PERSON: vdhawan@nrao.edu