Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	54.918752	419.79372500000034	568.7522750000004	54.062504	55.775	1.7124960000000016	20250421_074635UTC_V00OS11.WAV
T	29.043752	392.7062750000002	528.1227250000002	28.137504	29.95	1.812496000000003	20250421_074635UTC_V00OS11.WAV