Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	54.656248	406.24772499999983	555.2062749999998	53.6625	55.649996	1.987495999999993	20250222_172050UTC_V00OS11.WAV
U	16.7625	1042.708225	1191.666775	16.037499999999998	17.4875	1.4500000000000028	20250222_172050UTC_V00OS11.WAV
V	15.231248	3696.875000000001	3859.375000000001	15.112498	15.349998	0.2375000000000007	20250222_172050UTC_V00OS11.WAV