Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	55.093752	433.3355000000004	555.2105000000004	54.287504000000006	55.9	1.612495999999993	20250410_211635UTC_V00OS11.WAV
T	54.281248	433.3354999999999	595.8354999999999	53.25	55.312496	2.062495999999996	20250410_211635UTC_V00OS11.WAV
T	50.318752	419.79372500000034	568.7522750000004	49.45000400000001	51.1875	1.737495999999993	20250410_211635UTC_V00OS11.WAV