Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	48.937504	528.1249999999997	649.9999999999997	48.212504	49.662504	1.4500000000000028	20250411_235235UTC_V00OS11.WAV
P'	55.881248	81.24999999999972	284.3749999999997	55.774998	55.987498	0.2125000000000056	20250411_235235UTC_V00OS11.WAV
P'	47.018752	94.79372500000004	243.75227500000005	46.675002	47.362502	0.6875	20250411_235235UTC_V00OS11.WAV