Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	50.218752	419.7895000000001	582.2895000000001	49.287504000000006	51.15	1.862495999999993	20250413_021035UTC_V00OS11.WAV
T	43.15	392.7062749999998	568.7477249999998	42.0875	44.2125	2.125	20250413_021035UTC_V00OS11.WAV