Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	41.112496	1178.1227250000004	1367.7062750000002	40.437496	41.787496	1.3499999999999943	20250201_205050UTC_V00OS11.WAV
"B"""	1.743752	0.0	189.5812750000001	1.662502	1.825002	0.1625000000000001	20250201_205050UTC_V00OS11.WAV