GPS Unit in the Field (IMAGE) University of Hawaii at Manoa Caption Ben Brooks, O. Ozcacha and Todd Ericksen stand next to one of the GPS stations that was used in the study. Credit Image courtesy Ben Brooks, SOEST/UHM 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.