Mr. Pat Caldwell University of Hawaii Sea Level Center Department of Oceanography, University of Hawaii 1000 Pope Road, Honolulu Hawaii, 96822 UNITED STATES =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Jun-2001 Data for stations under authority K4 were provided informally via Mr Pat Caldwell of the University of Hawaii Sea Level Center in 1998. They stemmed from earlier informal communication with Prof. Klaus Wyrtki at the University.