Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	29.468752	392.7105000000004	595.8355000000004	28.950000000000003	29.987504	1.0375039999999984	20250222_212050UTC_V00OS11.WAV
E	18.806248	203.12272499999992	677.0812749999999	18.437498	19.174998	0.7374999999999972	20250222_212050UTC_V00OS11.WAV