Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	51.875	270.8332250000001	866.6667750000001	51.7375	52.0125	0.2750000000000057	20250410_042835UTC_V00OS11.WAV
D	55.156248	176.0394999999998	785.4144999999999	54.999998	55.312498	0.3125	20250410_042835UTC_V00OS11.WAV
C	55.168752	189.5812750000001	812.4977250000001	55.000002	55.337502	0.3375000000000057	20250410_042835UTC_V00OS11.WAV
T	48.825	433.333225	582.291775	48.0	49.650000000000006	1.6500000000000057	20250410_042835UTC_V00OS11.WAV
T	47.318752	379.16872499999977	528.1272749999998	46.63750400000001	48.0	1.362495999999993	20250410_042835UTC_V00OS11.WAV