Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	43.687504	203.12727500000037	785.4187250000004	43.287504	44.087504	0.7999999999999972	20250311_201417UTC_V00OS11.WAV
E	16.3625	338.5437250000001	609.377275	16.05	16.675	0.625	20250311_201417UTC_V00OS11.WAV
C	38.468752	216.6645	866.6645	38.300002	38.637502000000005	0.3375000000000057	20250311_201417UTC_V00OS11.WAV