Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	50.275	54.164499999999634	785.4144999999996	50.0875	50.4625	0.375	20250131_000250UTC_V00OS11.WAV
E	21.068752	176.03949999999975	988.5394999999996	20.750002	21.387502	0.6375000000000028	20250131_000250UTC_V00OS11.WAV