GCN Circular 3308
A. M. Soderberg (Caltech) and D. A. Frail (NRAO) report on behalf of the Caltech-NRAO-Carnegie GRB Collaboration: "We observed the field centered on the BAT position of the Swift burst GRB 050421 (GCN#3296) using the VLA at a frequency of 8.46 GHz on Apr 21.62 UT (t ~ 0.4 days after the burst). We do not detect any radio sources within the XRT error circle (GCN#3301). We place a 2-sigma detection limit of 34 uJy on the field."