Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	50.887504	257.29177500000026	392.7082250000003	50.337504	51.437504	1.0999999999999943	20250220_202650UTC_V00OS11.WAV
V	43.675	4522.91775	5308.33225	43.4875	43.8625	0.375	20250220_202650UTC_V00OS11.WAV