Annotation pos Low Freq (Hz) High Freq (Hz) Begin Time (s) End Time (s) duration filename T 51.743752 257.29177500000026 392.7082250000003 50.7375 52.750004 2.012504000000007 20250418_184035UTC_V00OS11.WAV E 53.943752 338.54177500000026 514.5832250000003 53.537504000000006 54.35 0.8124959999999959 20250418_184035UTC_V00OS11.WAV O 51.731248 243.74772499999963 392.70627499999966 50.75 52.712496 1.9624960000000016 20250418_184035UTC_V00OS11.WAV O 38.956248 230.2062750000001 365.62272500000006 37.9375 39.974996 2.0374960000000044 20250418_184035UTC_V00OS11.WAV T 35.65 338.5394999999999 541.6644999999999 34.9625 36.3375 1.375 20250418_184035UTC_V00OS11.WAV U 38.962504 230.208225 379.166775 37.962504 39.962504 2.0 20250418_184035UTC_V00OS11.WAV T 38.968752 230.208225 379.166775 37.937504 40.0 2.062495999999996 20250418_184035UTC_V00OS11.WAV O 32.943752 230.2062750000001 365.62272500000006 32.1875 33.70000400000001 1.512504000000007 20250418_184035UTC_V00OS11.WAV T 45.337504 257.2937250000002 406.25227500000017 44.362504 46.312504 1.9500000000000028 20250418_184035UTC_V00OS11.WAV