Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	52.393752	365.62500000000017	568.7500000000002	51.675	53.112504	1.437504000000004	20250131_023250UTC_V00OS11.WAV
E	52.362504	352.0832250000002	582.2917750000001	51.675004	53.050004	1.375	20250131_023250UTC_V00OS11.WAV
O	52.387496	311.4604999999998	595.8354999999998	51.712496	53.062496	1.3499999999999943	20250131_023250UTC_V00OS11.WAV