Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	47.256248	27.08550000000035	148.96050000000037	46.687496	47.825	1.137504000000007	20250414_130435UTC_V00OS11.WAV
O	55.506248	216.666775	392.708225	55.012496	56.0	0.9875040000000012	20250414_130435UTC_V00OS11.WAV
T	55.493752	230.2062750000001	365.62272500000006	54.9875	56.000004	1.012504000000007	20250414_130435UTC_V00OS11.WAV
O	49.512504	203.12727500000008	338.5437250000001	48.800004	50.225004	1.4249999999999972	20250414_130435UTC_V00OS11.WAV