Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	40.856248	243.7477250000001	352.0812750000001	40.1125	41.599996	1.487495999999993	20250420_101635UTC_V00OS11.WAV
H	42.512504	216.6687250000004	365.6272750000004	42.000004	43.025004	1.0250000000000057	20250420_101635UTC_V00OS11.WAV
H	39.306248	230.2105000000004	352.0855000000004	38.625	39.98749599999999	1.362495999999993	20250420_101635UTC_V00OS11.WAV