Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	53.143752	311.4605000000001	433.3355000000001	52.5625	53.725004	1.1625039999999984	20250414_132835UTC_V00OS11.WAV
B	37.443752	0.0	162.49999999999972	37.362502000000006	37.525002	0.1624999999999943	20250414_132835UTC_V00OS11.WAV