Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	0.925	961.456275	1137.497725	0.3125	1.5375	1.225	20250422_175235UTC_V00OS11.WAV
P	48.725	121.87272500000007	270.8312750000001	48.0	49.45	1.4500000000000028	20250422_175235UTC_V00OS11.WAV
U	25.781248	1963.5417750000004	2139.5832250000003	24.674996	26.887500000000003	2.2125040000000027	20250422_175235UTC_V00OS11.WAV