TITLE: GCN CIRCULAR NUMBER: 6978 SUBJECT: Radio detection of GRB 071020 with the VLA DATE: 07/10/22 18:59:06 GMT FROM: Poonam Chandra at U Virginia/NRAO P. Chandra (UVA/NRAO) and D. A. Frail (NRAO) report on behalf of the Caltech-NRAO-Carnegie GRB Collaboration: "We observed the field centered on the XRT position of the Swift burst GRB 071020 (GCN 6949) using the VLA at a frequency of 8.46 GHz. The observations were taken at a mean time of 11.21 UT on 22nd Oct 07. We detect the radio afterglow of GRB 071020 at the following position: RA(J2000) 07 58 39.78 Dec(J2000) +32 51 39.56 The flux density of the GRB is 186+/-26 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."