Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	48.825	1069.791775	1205.2082250000003	48.0	49.650000000000006	1.6500000000000057	20250417_173435UTC_V00OS11.WAV
P	46.543752	94.79372500000004	243.75227500000005	45.7	47.387504	1.687504000000004	20250417_173435UTC_V00OS11.WAV