Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	1.125	2004.1645	2126.0395	0.7	1.55	0.8500000000000001	20250214_163250UTC_V00OS11.WAV
U	45.931248	893.7477249999997	1083.3312749999998	44.85	47.012496	2.1624960000000044	20250214_163250UTC_V00OS11.WAV
O	44.406248	54.16872499999991	162.5022749999999	44.087498	44.724998	0.6375000000000028	20250214_163250UTC_V00OS11.WAV
M	44.406248	54.166775	148.958225	44.087498	44.724998	0.6375000000000028	20250214_163250UTC_V00OS11.WAV