Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	7.731248	257.29275000000035	934.3782500000004	7.512498	7.949998	0.4375	20250213_235050UTC_V00OS11.WAV
D	20.112504	135.41774999999996	1096.8782499999998	19.887504	20.337504000000003	0.4500000000000028	20250213_235050UTC_V00OS11.WAV
D	49.35	162.5032499999998	947.9177499999998	49.2	49.5	0.2999999999999971	20250213_235050UTC_V00OS11.WAV