Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	44.668752	1069.791775	1205.2082250000003	43.925004	45.4125	1.487495999999993	20250413_011635UTC_V00OS11.WAV
T	46.556248	365.622725	514.5812749999999	45.837496	47.275	1.437504000000004	20250413_011635UTC_V00OS11.WAV
T	54.475	379.1645000000002	541.6645000000002	53.6	55.35	1.75	20250413_011635UTC_V00OS11.WAV