Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	49.637504	203.1282500000004	988.5427500000004	49.487504	49.787504	0.2999999999999971	20250410_063435UTC_V00OS11.WAV
E	48.4062496	473.95627499999966	771.8727249999996	48.012499600000005	48.7999996	0.7874999999999943	20250410_063435UTC_V00OS11.WAV
D	49.637504	203.12175000000008	1002.0822500000002	49.475004	49.800004	0.3250000000000028	20250410_063435UTC_V00OS11.WAV
D	38.337504	216.66775	1002.08225	38.175004	38.500004	0.3250000000000028	20250410_063435UTC_V00OS11.WAV
E	41.8	501.0395000000001	704.1645000000001	41.375	42.225	0.8499999999999943	20250410_063435UTC_V00OS11.WAV