Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	30.562496	203.1272750000002	663.5437250000002	30.062496	31.062496	1.0	20250212_203250UTC_V00OS11.WAV
E	3.368752	270.8332250000002	663.5417750000001	2.9000000000000004	3.837504	0.9375039999999996	20250212_203250UTC_V00OS11.WAV
E	13.193752	419.7917750000003	636.4582250000003	12.812502	13.575002	0.7624999999999993	20250212_203250UTC_V00OS11.WAV