Learmonth - Type II bursts Daily summary from 20120616 2311 to 20120617 0944 (YYYYMMDD hhmm UT) There were no type II solar radio bursts. Culgoora - Type II bursts Daily summary from 20120616 2000 to 20120617 0760 (YYYYMMDD hhmm UT) date start-end time shock speeds arrival dates & times (YYYYMMDD) (hhmm UT) (km/s km/s) (YYYYMMDD hh YYYYMMDD hh) 20120617 0639 - 0660 303 489 20120623 12 20120621 8 The results are preliminary. The Newkirk model is used to estimate the shock speeds and arrival times. The 2 values are obtained under the assumption that the emission is fundamental and harmonic, respectively. The actual detections are shown in pictures with dynamic spectra.