This
sound was recorded by the autonomous hydrophone
deployed at 8oN, 110oW on July 7, 1997 at 0730Z.
Origin of the signal is unknown, and it was not detected on any other
hydrophone. The band of energy between 1 and 6 Hz represents "strumming"
of the mooring in mid-water currents.
Click
on spectrogram for full-sized
image.
809K
wav file
This file has been sped up 16 times and band-pass filtered between 8 and
20 Hz to reduce ambient noise.
|