Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	51.012504	297.91677500000014	433.3332250000002	50.162504	51.862504	1.7000000000000028	20250413_090435UTC_V00OS11.WAV
D	43.525	176.0395000000002	947.9145000000002	43.3125	43.7375	0.4249999999999971	20250413_090435UTC_V00OS11.WAV