TITLE: GCN CIRCULAR NUMBER: 1864 SUBJECT: GRB030115, WSRT radio observations DATE: 03/02/13 13:58:36 GMT FROM: Evert Rol at U.Amsterdam E. Rol and R. Wijers (University of Amsterdam) report on behalf of a larger collaboration: "We observed the position of the GRB 030115 afterglow at 4.9 GHz with the Westerbork Synthesis Radio Telescope at three epochs. The results are as follows: obs. date (UT 2003) flux (mJy) ------------------------------------------ Jan 16.8804 - 17.3866 0.062 +/- 0.032 Jan 20.8696 - 21.3684 0.047 +/- 0.034 Jan 26.8520 - 27.3520 0.072 +/- 0.026 A combined image results in a 4 sigma detection of 0.058 mJy at the position of the afterglow. Further observations are planned." This message may be cited.