Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	1.006248	1002.0822500000002	1828.12175	0.799998	1.212498	0.4125000000000001	20250418_195235UTC_V00OS11.WAV
B	21.037496	13.53950000000009	176.0395000000001	20.949996	21.124996	0.1749999999999971	20250418_195235UTC_V00OS11.WAV