Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	43.85	0.0	189.5812750000001	43.7625	43.9375	0.1749999999999971	20250409_192235UTC_V00OS11.WAV
P	51.906248	67.70822500000014	257.29177500000014	51.337496	52.475	1.137504000000007	20250409_192235UTC_V00OS11.WAV
P	55.85	67.70627499999979	284.37272499999983	55.7	56.0	0.2999999999999971	20250409_192235UTC_V00OS11.WAV
T	55.118752	392.7082250000002	541.6667750000001	54.2875	55.950004	1.6625039999999984	20250409_192235UTC_V00OS11.WAV