Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	22.387496	40.62824999999981	866.6677499999998	22.112496	22.662496	0.5499999999999972	20250420_231635UTC_V00OS11.WAV
D	45.025	0.0	839.5822499999997	44.7375	45.3125	0.5750000000000028	20250420_231635UTC_V00OS11.WAV