Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	28.656248	257.29372500000005	893.752275	28.512498	28.799998	0.2875000000000014	20250204_222650UTC_V00OS11.WAV
D	29.918752	162.4999999999999	934.375	29.750002	30.087502	0.3374999999999986	20250204_222650UTC_V00OS11.WAV
D	28.65	189.5854999999998	920.8354999999998	28.4875	28.8125	0.3250000000000028	20250204_222650UTC_V00OS11.WAV