Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	38.268752	460.41872499999977	650.0022749999998	37.887502	38.650002	0.7625000000000028	20250207_235050UTC_V00OS11.WAV
B	54.443752	40.622724999999946	230.20627499999995	54.375002	54.512502000000005	0.1375000000000028	20250207_235050UTC_V00OS11.WAV