GCN Circular 6207
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 070311 (GCN 6191) at a frequency of 8.46 GHz on 2007 March 15th at 4.23 UT. The GRB is undetected and the peak radio flux at the SWIFT-XRT position (GCN 6192) is 21+/-51 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."