Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	33.712496	446.87727500000005	704.168725	33.287496000000004	34.137496	0.8499999999999943	20250204_202050UTC_V00OS11.WAV
E	42.156248	338.5437249999999	690.6272749999999	41.7375	42.574996	0.8374960000000016	20250204_202050UTC_V00OS11.WAV