Learmonth - Type III bursts Daily summary from 20120521 2301 to 20120522 0945 (YYYYMMDD hhmm UT) There were no type III solar radio bursts. Culgoora - Type III bursts Daily summary from 20120521 2000 to 20120522 0451 (YYYYMMDD hhmm UT) date start-end time # of bursts (YYYYMMDD) (hhmm UT) 20120522 0342 - 0342 1 The results are preliminary. Type-III-like signals can be produced by local lightnings and/or machinery interference.