HARP (IMAGE) University of California - San Diego Caption This is a high-frequency acoustic recording package, or HARP, used to record marine mammal sounds. Credit Scripps Institution of Oceanography, UC San Diego Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.