TITLE: GCN CIRCULAR NUMBER: 6150 SUBJECT: VLA observation of GRB 070223 DATE: 07/02/26 18:05:34 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 070223 (GCN 6125) at a frequency of 8.46 GHz on 2007 February 25 at 4.93 UT. The GRB is undetected and the peak radio brightness at the Liverpool Telescope Possible Afterglow Candidate position (GCN 6127) is 41+/-56 uJy and at SWIFT-XRT position (GCN 6130) is 77+/-57 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."