TITLE: GCN CIRCULAR NUMBER: 6164 SUBJECT: VLA observation of GRB 070224 DATE: 07/03/01 16:40:05 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 070224 (GCN 6137) at a frequency of 8.46 GHz on 2007 February 28 at 9.99 UT. The GRB is undetected and the peak radio flux at the SWIFT-XRT position (GCN 6143) is -83 uJy ± 47 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."