Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	39.65	67.70627500000023	243.74772500000023	39.3	40.0	0.7000000000000028	20250208_195650UTC_V00OS11.WAV
D	41.443752	1882.29275	2911.45725	41.137502000000005	41.750002	0.6124999999999972	20250208_195650UTC_V00OS11.WAV