Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	55.462504	94.78950000000025	216.66450000000023	54.950004	55.975004000000006	1.0250000000000057	20250414_111035UTC_V00OS11.WAV
O	52.812496	297.9187250000001	446.87727500000005	52.299996	53.324996000000006	1.0250000000000057	20250414_111035UTC_V00OS11.WAV
M	37.793752	40.62727499999991	176.0437249999999	37.3375	38.250004	0.9125039999999984	20250414_111035UTC_V00OS11.WAV
M	36.231248	27.083224999999715	135.41677499999972	35.8125	36.649996	0.8374960000000016	20250414_111035UTC_V00OS11.WAV
P	42.281248	108.33127500000008	284.37272500000006	41.625	42.937496	1.312495999999996	20250414_111035UTC_V00OS11.WAV
O	45.618752	27.08127500000009	162.4977250000001	45.212504	46.025	0.8124959999999959	20250414_111035UTC_V00OS11.WAV