Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	46.493752	853.1250000000003	1015.6250000000005	45.625004	47.3625	1.737495999999993	20250213_155050UTC_V00OS11.WAV
T	53.487504	433.331275	649.997725	52.950004	54.025004	1.0750000000000028	20250213_155050UTC_V00OS11.WAV
T	34.35	446.8727249999997	717.7062749999998	33.6875	35.0125	1.3250000000000028	20250213_155050UTC_V00OS11.WAV
T	30.412496	460.4167750000001	677.0832250000001	29.787496	31.037496	1.25	20250213_155050UTC_V00OS11.WAV