TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2043 SUBJECT: GRB030329 15 GHz radio observation DATE: 03/03/31 09:14:04 GMT FROM: Guy Pooley at MRAO, Cambridge, UK GRB 030329 (= H2652) (GCN 1985 and many others) was observed with the Ryle Telescope at Cambridge, UK from 2003 Mar 30 16:35 UT to 2003 Mar 31 03:30 UT. The mean flux density at 15.2 GHz was 9.8 mJy (cf 3.5 mJy at 8,46 GHz approximately 24h earlier - GCN 2014). Over the period of the observation the flux density increased from 7 to 12 mJy. A light curve may be seen at http://www.mrao.cam.ac.uk/~guy/grb/GRB030329-030330.ps