Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	18.862496	352.0855000000002	514.5855000000001	17.749996	19.974996	2.2250000000000014	20250418_092235UTC_V00OS11.WAV
B	4.15	0.0022750000003526	176.04372500000034	4.0625	4.237500000000001	0.1750000000000007	20250418_092235UTC_V00OS11.WAV
T	39.287496	501.0417749999997	677.0832249999996	38.887496	39.687496	0.7999999999999972	20250418_092235UTC_V00OS11.WAV
T	37.45	365.622725	514.5812749999999	36.625	38.275000000000006	1.6500000000000057	20250418_092235UTC_V00OS11.WAV
T	25.056248	379.16872499999977	528.1272749999998	24.125	25.987496	1.862496	20250418_092235UTC_V00OS11.WAV