THIS PROPOSAL IS A REQUEST FOR SUPPLEMENTAL FUNDS TO SUPPORT THE ONGOING WORK AT CENTRAL WASHINGTON UNIVERSITY (CWU) SCRIPPSINSTITUTION OF OCEANOGRAPHY (SIO) AND UNIVERSITY OF OREGON (UO). THE FUNDS AT CWU WILL SUPPORT PANGA STAFF TO FURTHER DEVELOPTHE GNSS SOLUTION MERGING AND DELIVERY SYSTEMS TO THE TSUNAMI WARNING CENTERS; SIO WILL CONTINUE TO REFINE THEIR SEISMOGEODETICALGORITHMS AND UO WILL CREATE INDEPENDENT METRICS ON THE QUALITY AND RELIABILITY OF THE THREE DATA CENTERS AND SUBSEQUENT MERGEDSOLUTIONS