TITLE: GCN GRB OBSERVATION REPORT NUMBER: 655 SUBJECT: GRB000418, Radio detection DATE: 00/04/29 03:27:12 GMT FROM: Dale A. Frail at NRAO D. A. Frail (NRAO) reports on behalf of a larger collaboration: "Beginning on April 29.07 UT we observed GRB000418 with the VLA at a frequency of 8.46 GHz. At the position of the IR/optical transient reported by Klose et al. (GCN 645) and Mirabal et al. (GCN 650), we detect a bright radio source with a flux density of 850+/-33 microJy. We will continue to monitor this source."