Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	46.137496	243.75	365.625	45.387496	46.887496	1.5	20250411_052835UTC_V00OS11.WAV
T	46.187504	270.83127499999966	365.6227249999996	45.437504	46.937504	1.5	20250411_052835UTC_V00OS11.WAV
O	33.131248	257.29177500000003	352.083225	32.7125	33.549996	0.8374960000000016	20250411_052835UTC_V00OS11.WAV
P	39.312496	257.2937249999999	365.627275	38.662496	39.962496	1.2999999999999972	20250411_052835UTC_V00OS11.WAV
T	48.475	528.1250000000003	731.2500000000003	48.0	48.95	0.9500000000000028	20250411_052835UTC_V00OS11.WAV