Learmonth - Type II bursts Daily summary from 20160417 2246 to 20160418 0957 (YYYYMMDD hhmm UT) date start-end time shock speeds arrival dates & times (YYYYMMDD) (hhmm UT) (km/s km/s) (YYYYMMDD hh YYYYMMDD hh) 20160418 0036 - 0040 550 865 20160421 23 20160420 19 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. Culgoora - Type II bursts Daily summary from 20160417 2000 to 20160418 0743 (YYYYMMDD hhmm UT) There were no type II solar radio bursts.