Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	4.506248	230.2072500000001	1178.12175	4.262498	4.749998000000001	0.4875000000000007	20250207_065050UTC_V00OS11.WAV
D	6.843752	189.58224999999987	907.2927499999998	6.687502	7.000002	0.3125	20250207_065050UTC_V00OS11.WAV
C	6.837504	176.03949999999963	866.6644999999996	6.687504	6.987504	0.3000000000000007	20250207_065050UTC_V00OS11.WAV