Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	35.256248	4048.95725	4969.79275	34.949998	35.562498	0.6124999999999972	20250413_030435UTC_V00OS11.WAV
C	35.256248	4021.87175	4983.33225	34.974998	35.537498	0.5625	20250413_030435UTC_V00OS11.WAV
P	45.681248	311.45822499999974	460.4167749999997	44.86249599999999	46.5	1.637504000000007	20250413_030435UTC_V00OS11.WAV