Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	53.287496	501.03949999999975	663.5394999999997	52.424996	54.149996	1.7249999999999943	20250211_004450UTC_V00OS11.WAV
T	19.45	501.04372500000034	690.6272750000004	18.675	20.225	1.5499999999999972	20250211_004450UTC_V00OS11.WAV