Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	52.262496	3168.7532500000007	4035.417750000001	52.024996	52.499996	0.4749999999999943	20250130_103850UTC_V00OS11.WAV
D	29.637496	176.04372500000005	771.877275	29.474996	29.799996	0.3250000000000028	20250130_103850UTC_V00OS11.WAV