Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	44.662496	365.62727500000005	582.2937250000001	44.262496	45.062496	0.7999999999999972	20250419_194635UTC_V00OS11.WAV
B	11.631248	13.541775	189.583225	11.549998	11.712498	0.1625000000000014	20250419_194635UTC_V00OS11.WAV