Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	35.987496	81.25227499999977	216.66872499999977	35.437496	36.537496	1.0999999999999943	20250412_090435UTC_V00OS11.WAV
P	31.593752	81.25000000000014	243.7500000000001	31.187504	32.0	0.8124959999999994	20250412_090435UTC_V00OS11.WAV
P	48.6125	81.25000000000014	243.7500000000001	48.125	49.1	0.9749999999999944	20250412_090435UTC_V00OS11.WAV
T	40.912504	568.747725	717.706275	40.162504	41.662504	1.5	20250412_090435UTC_V00OS11.WAV