Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	21.681248	392.708225	622.916775	21.2375	22.124996	0.8874959999999987	20250221_194450UTC_V00OS11.WAV
V	42.906248	4048.958225	4360.416775	42.637498	43.174998	0.5374999999999943	20250221_194450UTC_V00OS11.WAV
E	31.362504	365.625	650.0	30.950004	31.775004000000003	0.8250000000000028	20250221_194450UTC_V00OS11.WAV
E	35.65	352.0812750000001	649.9977250000001	35.2	36.1	0.9000000000000057	20250221_194450UTC_V00OS11.WAV
H	14.181248	40.62272499999965	189.5812749999997	13.575	14.787496	1.2124960000000016	20250221_194450UTC_V00OS11.WAV