TITLE: GCN CIRCULAR NUMBER: 6742 SUBJECT: VLA upper limit on the short hard burst GRB 070729 DATE: 07/08/10 15:17:06 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 towards short hard burst GRB 070729 (GCN 6678) at a frequency of 8.46 GHz on 2007 August 7th at 12.15 UT for 30 minutes. The GRB is undetected and the peak radio brightness at the SWIFT-XRT position (GCN 6682) is -71 uJy ± 85 uJy. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."