Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	45.762496	785.418725	975.002275	45.287496	46.237496	0.9500000000000028	20250419_214635UTC_V00OS11.WAV
U	52.337504	785.418725	975.002275	51.812504	52.862504	1.0499999999999972	20250419_214635UTC_V00OS11.WAV