Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	48.2687504	392.7082249999997	582.2917749999997	48.0375004	48.500000400000005	0.4625000000000057	20250221_100850UTC_V00OS11.WAV
T	38.631248	419.79372500000034	568.7522750000004	37.812496	39.45	1.637504000000007	20250221_100850UTC_V00OS11.WAV