Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	40.7375	907.2937249999998	1015.6272749999998	40.0	41.475	1.4749999999999943	20250411_032235UTC_V00OS11.WAV
O	44.687504	284.37499999999983	406.24999999999983	44.087504	45.287504	1.2000000000000028	20250411_032235UTC_V00OS11.WAV
T	40.818752	419.7917749999997	555.2082249999997	40.0	41.63750400000001	1.637504000000007	20250411_032235UTC_V00OS11.WAV
T	39.137496	392.7062750000002	528.1227250000002	38.299996	39.974996	1.6749999999999972	20250411_032235UTC_V00OS11.WAV
O	37.268752	257.29372499999977	446.8772749999998	36.925002	37.612502	0.6875	20250411_032235UTC_V00OS11.WAV
P'	37.256248	270.83322499999986	419.7917749999998	36.912498	37.599998	0.6875	20250411_032235UTC_V00OS11.WAV