TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2282 SUBJECT: GRB030329 -- RATAN-600 data in April-May DATE: 03/06/11 17:33:39 GMT FROM: Sergei Trushkin at SAO RAS/Russia Trushkin S.A. (SAO RAS) on behalf of the SAO-IKI collaboration report: We have observed GRB 030329 during four sets with RATAN-600 radio telescope, the mean flux densities of the radio counterpart are given in the table: Frequency 3-7 Apr 13-21 Apr 1-7 May 15-31 May ------------------------------------------------- GHz mJy +- mJy +- mJy +- mJy +- ------------------------------------------------- 3.9 49 10 15 3 15 3 10 3 7.7 33 5 28 5 15 3 18 3 11.2 20 5 47 7 32 6 19 4 The spectral index varied from -0.7 to +1.1, +0.7, +0.75 respectively with rms ~0.15. The May indices are consistent with Nobeyama data (Cir.N2089).