Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	28.306248	379.1687250000001	568.752275	27.412496	29.2	1.7875039999999984	20250311_172017UTC_V00OS11.WAV
O	34.137504	365.62500000000017	568.7500000000002	33.500004	34.775004	1.2750000000000057	20250311_172017UTC_V00OS11.WAV
T	34.143752	406.24772499999983	555.2062749999998	33.462504	34.825	1.362495999999993	20250311_172017UTC_V00OS11.WAV
B	1.712496	0.0022750000003526	176.04372500000034	1.612496	1.812496	0.2000000000000001	20250311_172017UTC_V00OS11.WAV