Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	44.931248	419.7917749999997	555.2082249999997	44.224996	45.6375	1.4125039999999984	20250412_060435UTC_V00OS11.WAV
T	44.95	406.2499999999997	568.7499999999998	44.25	45.650000000000006	1.4000000000000057	20250412_060435UTC_V00OS11.WAV
P'	48.3562496	284.37272499999983	473.9562749999998	48.0124996	48.6999996	0.6875	20250412_060435UTC_V00OS11.WAV
E	48.3625	284.37727500000034	501.0437250000004	48.0	48.725	0.7249999999999943	20250412_060435UTC_V00OS11.WAV
D	55.737504	162.49675000000008	1042.7072500000002	55.512504	55.962504	0.4500000000000028	20250412_060435UTC_V00OS11.WAV