Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P'	51.331248	284.3727250000002	433.3312750000002	50.8875	51.774996	0.8874959999999987	20250414_003435UTC_V00OS11.WAV
P	39.775	243.75227499999977	460.4187249999998	39.55	40.0	0.4500000000000028	20250414_003435UTC_V00OS11.WAV
E	40.2062496	270.8312749999998	487.49772499999983	40.0124996	40.3999996	0.3875000000000028	20250414_003435UTC_V00OS11.WAV