There are several RDAC systems that are in various stages of development within the GHRSST-PP R/GTS framework. These include: Japanese RDAC Australian RDAC European RDAC United States RDAC Tropical region RDAC Each RDAC provides Regional Coverage SST data Products to local USer Communities as well as L2P data products to the GHRSST-PP Global Data Analysis Centres (GDAC) and the GHRSST-PP Long Term Data Stewardship and Re-analysis Facility (LTSRF).