TITLE: GCN CIRCULAR NUMBER: 6600 SUBJECT: VLA detection of GRB 070612A in C Band DATE: 07/07/05 21:49:36 GMT FROM: Poonam Chandra at U Virginia/NRAO Poonam Chandra (NRAO/UVA) and Dale A. Frail (NRAO) report on behalf of the Caltech-NRAO-Carnegie GRB Collaboration: "We used the Very Large Array to observe the field of view toward GRB 070612A (GCN 6509) at a frequency of 4.88 GHz on 2007 June 30th at 20.66 UT. We detect the GRB afterglow at P60 optical afterglow position (GCN 6517). The flux density of the GRB is 189+/-56 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."