Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	38.456248	325.0022749999998	582.2937249999998	38.05	38.862496	0.8124959999999959	20250222_040250UTC_V00OS11.WAV
E	34.525	338.5395000000002	582.2895000000002	34.125	34.925	0.7999999999999972	20250222_040250UTC_V00OS11.WAV
E	12.525	324.9999999999997	649.9999999999998	12.0625	12.9875	0.9250000000000008	20250222_040250UTC_V00OS11.WAV