Learmonth - Type III bursts Daily summary from 20120116 2203 to 20120117 1109 (YYYYMMDD hhmm UT) date start-end time # of bursts (YYYYMMDD) (hhmm UT) 20120117 0303 - 0304 1 The results are preliminary. Type-III-like signals can be produced by local lightnings and/or machinery interference.