The Government intends to solicit and negotiate on a sole source basis with Old Dominion University Research Foundation, Norfolk, Virginia to perform a circulation study of the Gulf of Fonseca, for NOAA, NOS, CO-OPS, Norfolk, Virginia. Three major work areas comprise this study: data collection, product generation, and in-country training. Two observational methods will be combined: surveying using a current profiler towed along transects and HF radar to map surface currents.