Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	50.887504	54.16775000000035	934.3782500000004	50.712504	51.062504	0.3499999999999943	20250202_063850UTC_V00OS11.WAV
T	42.675	406.25227500000005	541.6687250000001	42.0	43.35	1.3499999999999943	20250202_063850UTC_V00OS11.WAV