Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	2.156248	880.2062750000002	1056.2477250000002	1.225	3.087496	1.862496	20250421_230435UTC_V00OS11.WAV
U	1.268752	893.752275	1069.793725	0.0750000000000001	2.462504	2.387504	20250421_230435UTC_V00OS11.WAV