Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	47.45	135.41449999999963	907.2894999999996	47.2375	47.6625	0.4249999999999971	20250202_013250UTC_V00OS11.WAV
D	47.431248	176.04275000000013	961.4572500000002	47.237498	47.624998	0.3875000000000028	20250202_013250UTC_V00OS11.WAV