Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	50.737496	541.6687249999998	771.8772749999998	50.587496	50.887496	0.2999999999999971	20250307_054417UTC_V00OS11.WAV
V	50.75	568.7477250000002	758.3312750000002	50.6125	50.8875	0.2750000000000057	20250307_054417UTC_V00OS11.WAV
V	43.068752	1096.8772750000005	1313.5437250000004	42.837502	43.300002000000006	0.4625000000000057	20250307_054417UTC_V00OS11.WAV
T	22.143752	365.6272749999998	541.6687249999998	21.337504	22.95	1.6124960000000002	20250307_054417UTC_V00OS11.WAV