Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	34.925	311.4605000000002	555.2105000000001	34.4	35.45	1.0499999999999972	20250311_075617UTC_V00OS11.WAV
B	52.287496	189.58322500000017	541.6667750000001	52.137496	52.437496	0.2999999999999971	20250311_075617UTC_V00OS11.WAV
T	18.106248	284.37272499999983	473.9562749999998	17.2	19.012496	1.812496000000003	20250311_075617UTC_V00OS11.WAV
O	18.106248	270.8355000000001	473.9605000000001	17.162496	19.05	1.887504	20250311_075617UTC_V00OS11.WAV