Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	24.6687496	1327.083225	1476.0417749999997	24.0625016	25.274997600000003	1.2124960000000016	20250222_052650UTC_V00OS11.WAV
U	48.5312496	1259.377275	1435.4187250000002	48.0875016	48.9749976	0.8874959999999987	20250222_052650UTC_V00OS11.WAV
V	48.5375	1286.4604999999997	1448.9604999999997	48.1625	48.9125	0.75	20250222_052650UTC_V00OS11.WAV