Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	52.85	392.7105000000001	555.2105000000001	51.9875	53.7125	1.7249999999999943	20250208_205650UTC_V00OS11.WAV
U	39.275	663.5437250000002	812.5022750000003	38.55	40.0	1.4500000000000028	20250208_205650UTC_V00OS11.WAV