Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	31.137496	406.24772499999983	555.2062749999998	30.612496	31.662496	1.0499999999999972	20250305_193817UTC_V00OS11.WAV
U	25.668752	826.0395000000001	988.5395	24.875004	26.4625	1.5874960000000016	20250305_193817UTC_V00OS11.WAV