Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	50.093752	352.0812749999999	528.122725	49.687504	50.5	0.8124959999999959	20250201_030250UTC_V00OS11.WAV
T	26.006248	392.7082250000002	541.6667750000001	25.45	26.562496	1.1124960000000002	20250201_030250UTC_V00OS11.WAV
O	6.587504	379.1645000000002	541.6645000000002	6.112504	7.062504	0.9499999999999992	20250201_030250UTC_V00OS11.WAV
U	2.481248	866.6667750000004	1002.0832250000004	2.012496	2.95	0.9375039999999996	20250201_030250UTC_V00OS11.WAV
T	6.593752	379.1645000000002	541.6645000000002	6.1000000000000005	7.087504	0.9875039999999996	20250201_030250UTC_V00OS11.WAV
U	21.437504	880.2105000000003	1002.0855000000004	20.912504	21.962504	1.0499999999999972	20250201_030250UTC_V00OS11.WAV