TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3543 SUBJECT: XRF050509c: Radio Detection DATE: 05/06/10 16:21:34 GMT FROM: Patrick B. Cameron at Caltech P. B. Cameron and A. M. Soderberg (Caltech) report on behalf of the Caltech-NRAO-Carnegie collaboration: "We observed the field of XRF050509c (GCN 3402) with the Very Large Array at 8.5 GHz on Jun 8.13 UT. At the position of the optical afterglow (GCN 3425) we detect a radio source with flux density 310 +- 49 uJy. Further observations are planned."