Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	38.137496	162.50325000000004	988.54275	37.924996	38.349996	0.4249999999999971	20250222_232050UTC_V00OS11.WAV
V	36.912496	338.54372499999994	893.7522749999998	36.762496	37.062496	0.2999999999999971	20250222_232050UTC_V00OS11.WAV
D	36.912496	257.29274999999967	920.8322499999996	36.749996	37.074996	0.3250000000000028	20250222_232050UTC_V00OS11.WAV