Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	43.818752	270.8322500000004	988.5427500000004	43.600002	44.037502	0.4375	20250411_005835UTC_V00OS11.WAV
O	51.612496	257.2937249999999	365.627275	51.124996	52.099996	0.9749999999999944	20250411_005835UTC_V00OS11.WAV