Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	50.175	284.37499999999983	406.24999999999983	49.475	50.875	1.4000000000000057	20250415_202235UTC_V00OS11.WAV
H	50.175	284.37499999999983	406.24999999999983	49.4875	50.8625	1.375	20250415_202235UTC_V00OS11.WAV
O	37.275	40.62500000000029	203.12500000000028	36.825	37.725	0.9000000000000057	20250415_202235UTC_V00OS11.WAV
P	42.118752	284.3727250000002	433.3312750000002	41.337504	42.9	1.562495999999996	20250415_202235UTC_V00OS11.WAV