Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	43.875	121.87825000000026	947.9177500000004	43.6875	44.0625	0.375	20250220_061450UTC_V00OS11.WAV
D	20.856248	5822.91645	6472.91645	20.499998	21.212498	0.7124999999999986	20250220_061450UTC_V00OS11.WAV
V	32.7125	541.6667750000004	920.8332250000004	32.55	32.875	0.3250000000000028	20250220_061450UTC_V00OS11.WAV