Learmonth - Type III bursts Daily summary from 20100403 2241 to 20100404 1017 (YYYYMMDD hhmm UT) date start-end time # of bursts (YYYYMMDD) (hhmm UT) 20100404 1015 - 1015 1 The results are preliminary. Type-III-like signals can be produced by local lightnings and/or machinery interference.