Annotation pos Low Freq (Hz) High Freq (Hz) Begin Time (s) End Time (s) duration filename P' 51.381248 284.37272500000006 514.5812750000001 50.9 51.862496 0.9624960000000016 20250418_085235UTC_V00OS11.WAV E 51.393752 284.37272500000006 514.5812750000001 50.9 51.887504 0.9875040000000012 20250418_085235UTC_V00OS11.WAV O 52.337504 230.20627499999964 406.2477249999996 52.050004 52.625004 0.5750000000000028 20250418_085235UTC_V00OS11.WAV O 25.606248 297.91872500000034 487.5022750000004 25.149996 26.0625 0.9125039999999984 20250418_085235UTC_V00OS11.WAV E 25.618752 311.4562750000001 487.49772500000006 25.15 26.087504 0.937503999999997 20250418_085235UTC_V00OS11.WAV E 38.306248 270.8355000000004 514.5855000000004 37.75 38.86249599999999 1.112495999999993 20250418_085235UTC_V00OS11.WAV E 34.818752 270.83322499999974 501.0417749999997 34.400004 35.237500000000004 0.8374960000000016 20250418_085235UTC_V00OS11.WAV