Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	43.231248	270.833225	541.666775	42.462496	44.0	1.5375039999999984	20250409_234035UTC_V00OS11.WAV
O	53.8	27.081274999999792	121.8727249999998	53.4875	54.1125	0.625	20250409_234035UTC_V00OS11.WAV
O	50.5	27.083225	176.041775	50.1125	50.8875	0.7750000000000057	20250409_234035UTC_V00OS11.WAV