Currently, SCIGN provides GPS data and metadata and only low-level data products. We propose to enhance delivery of these products using modern IT methodology, and to produce and disseminate an entirely new set of higher-level data products to a larger community, including scientists, government agencies (Federal, State, and Local), surveyors, and GIS professionals. This project will build on current capabilities within SCIGN for data archiving, information systems, and data analysis to disseminate the following products: geodetic position time series, crustal motion models, strain rate maps, geologic fault models, near-real-time earthquake response information, geodetic reference systems for precise GIS and surveying, and aquifer recharge monitoring.

To provide these data and data products in a highly available, highly integrated system numerous improvements in archiving, end-user interfaces, delivery mechanisms and data modeling will be developed. As part of the development of these advanced information systems components we propose an optional open source project based on a redundant, multi -tiered Virtual Archive for GPS applications.

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