Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	19.025	13.53949999999979	135.4144999999998	18.6375	19.4125	0.7749999999999986	20250220_234450UTC_V00OS11.WAV
E	49.55	352.0855	798.9605	49.2875	49.8125	0.5250000000000057	20250220_234450UTC_V00OS11.WAV