TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3453 SUBJECT: GRB050520: Radio Observations DATE: 05/05/22 20:08:32 GMT FROM: Patrick B. Cameron at Caltech P. B. Cameron (Caltech) and A. M. Soderberg (Caltech) report on behalf of the Caltech-NRAO-Carnegie GRB Collaboration: "We observed the field of GRB050520 (GCN#3430) using the Very Large Array at a frequency of 8.46 GHz on May 20.43 UT and May 21.43 UT. We do not detect a radio source within the refined XRT error circle (GCN#3443). We place a 2-sigma upper limit of 57.6 uJy."