Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P'	48.275	81.25227499999977	216.66872499999977	48.0125	48.5375	0.5250000000000057	20250416_184035UTC_V00OS11.WAV
O	53.925	81.24999999999986	203.12499999999983	53.35	54.5	1.1500000000000057	20250416_184035UTC_V00OS11.WAV