Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	50.618752	284.37727500000005	460.4187250000001	49.925	51.312504	1.387504000000007	20250410_230435UTC_V00OS11.WAV
E	55.775	270.83322499999974	501.0417749999997	55.6125	55.9375	0.3250000000000028	20250410_230435UTC_V00OS11.WAV
E	54.362504	230.20724999999965	1015.6217499999996	54.137504	54.587504	0.4500000000000028	20250410_230435UTC_V00OS11.WAV
D	48.475	67.70725000000004	934.37175	48.275	48.675	0.4000000000000057	20250410_230435UTC_V00OS11.WAV
D	54.356248	216.66449999999963	1029.1644999999996	54.162498	54.549998	0.3875000000000028	20250410_230435UTC_V00OS11.WAV
E	52.362504	365.6272749999998	541.6687249999998	51.925004	52.800004	0.875	20250410_230435UTC_V00OS11.WAV
O	52.375	365.6272749999998	541.6687249999998	51.95	52.8	0.8499999999999943	20250410_230435UTC_V00OS11.WAV