Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	21.393752	392.7105000000001	555.2105000000001	20.3875	22.400004	2.012504	20250311_200817UTC_V00OS11.WAV
O	27.768752	379.16677500000014	555.2082250000002	26.987504	28.55	1.562496000000003	20250311_200817UTC_V00OS11.WAV
T	27.762504	392.7105000000001	555.2105000000001	26.950004	28.575004	1.625	20250311_200817UTC_V00OS11.WAV
T	51.431248	406.2522750000004	582.2937250000003	50.587496	52.275	1.687504000000004	20250311_200817UTC_V00OS11.WAV