Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	36.8	406.25000000000017	528.1250000000002	36.3	37.3	1.0	20250221_204450UTC_V00OS11.WAV
T	41.043752	406.25227500000005	541.6687250000001	40.500004	41.5875	1.0874960000000016	20250221_204450UTC_V00OS11.WAV
T	5.937504	379.16872499999977	528.1272749999998	4.812504	7.062504	2.25	20250221_204450UTC_V00OS11.WAV