Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	1.687504	54.164499999999975	1029.1645	1.487504	1.887504	0.3999999999999999	20250224_101450UTC_V00OS11.WAV
C	1.675	40.62824999999992	988.5427499999998	1.5375	1.8125	0.2749999999999999	20250224_101450UTC_V00OS11.WAV