Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	20.618752	203.1249999999999	893.7499999999999	20.450002	20.787502	0.3374999999999986	20250223_145650UTC_V00OS11.WAV
D	20.631248	203.1282499999998	907.2927499999998	20.462498	20.799998	0.3374999999999986	20250223_145650UTC_V00OS11.WAV