Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	44.043752	406.25000000000034	650.0000000000003	43.512504	44.575	1.062495999999996	20250410_045835UTC_V00OS11.WAV
E	45.087504	135.4144999999997	1029.1645	44.862504	45.312504	0.4500000000000028	20250410_045835UTC_V00OS11.WAV
D	43.018752	203.1217499999997	961.4572499999996	42.787502	43.250002	0.4625000000000057	20250410_045835UTC_V00OS11.WAV
D	55.025	230.2082249999999	866.6667749999999	54.775	55.275	0.5	20250410_045835UTC_V00OS11.WAV