Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	52.0	392.7105000000001	555.2105000000001	51.2	52.8	1.5999999999999943	20250410_002835UTC_V00OS11.WAV
D	51.268752	257.29275000000035	934.3782500000004	51.100002	51.437502	0.3375000000000057	20250410_002835UTC_V00OS11.WAV
D	41.937504	148.9572499999997	1015.6217499999998	41.737504	42.137504	0.4000000000000057	20250410_002835UTC_V00OS11.WAV