Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	55.181248	1557.2894999999996	1719.7894999999996	54.36249599999999	56.0	1.637504000000007	20250212_210850UTC_V00OS11.WAV
U	35.462504	1151.041775	1286.458225	34.837504	36.087504	1.25	20250212_210850UTC_V00OS11.WAV