TITLE: GCN CIRCULAR NUMBER: 7698 SUBJECT: GRB 080506: VLA radio upper limit DATE: 08/05/08 17:28:11 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 080506 (GCN 7685) at a frequency of 8.46 GHz at 2008 May 8.53 UT. We do not detect the GRB afterglow at Swift-XRT position (GCN 7687). The flux density at the afterglow position is -40 +/- 40 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."