Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	52.112504	270.83127500000023	446.8727250000002	51.037504	53.187504	2.1500000000000057	20250420_095835UTC_V00OS11.WAV
O	11.606248	284.3727250000002	433.3312750000002	10.712496000000002	12.5	1.7875039999999984	20250420_095835UTC_V00OS11.WAV
P	11.6	284.3727250000002	433.3312750000002	10.65	12.55	1.8999999999999984	20250420_095835UTC_V00OS11.WAV
U	34.856248	270.8354999999998	433.3354999999998	33.575	36.137496	2.562495999999996	20250420_095835UTC_V00OS11.WAV
T	34.887504	270.83127500000023	446.8727250000002	33.650004	36.125004	2.4749999999999943	20250420_095835UTC_V00OS11.WAV
P	28.537496	284.3727250000002	433.3312750000002	27.662496	29.412496	1.75	20250420_095835UTC_V00OS11.WAV