Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	30.887496	162.49674999999974	1002.0822499999996	30.737496	31.037496	0.2999999999999971	20250212_223250UTC_V00OS11.WAV
D	29.668752	40.62174999999979	920.8322499999998	29.512502	29.825002	0.3125	20250212_223250UTC_V00OS11.WAV
D	18.362496	216.6645000000002	907.2895000000002	18.237496	18.487496	0.25	20250212_223250UTC_V00OS11.WAV
D	20.731248	121.87500000000034	934.3750000000005	20.574998	20.887498	0.3125	20250212_223250UTC_V00OS11.WAV
D	42.168752	230.2072500000001	974.99675	42.012502	42.325002	0.3125	20250212_223250UTC_V00OS11.WAV
C	42.162496	176.04274999999967	1002.0822499999996	41.987496	42.337496	0.3499999999999943	20250212_223250UTC_V00OS11.WAV