Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	18.525	148.95822499999997	663.541775	18.1625	18.8875	0.7250000000000014	20250308_041417UTC_V00OS11.WAV
E	18.525	189.58127499999964	649.9977249999996	18.15	18.9	0.75	20250308_041417UTC_V00OS11.WAV