Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	52.568752	392.7105000000001	555.2105000000001	51.875	53.26250400000001	1.387504000000007	20250414_150435UTC_V00OS11.WAV
D	54.756248	54.16775000000035	1002.0822500000004	54.512498	54.999998	0.4874999999999971	20250414_150435UTC_V00OS11.WAV