Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	53.268752	4211.457250000001	5362.49675	53.050002	53.487502	0.4375	20250213_165650UTC_V00OS11.WAV
I	42.081248	1232.2895000000003	1719.7895000000003	41.724998	42.437498000000005	0.7125000000000057	20250213_165650UTC_V00OS11.WAV