International Ultraviolet Explorer Three Agency Information Exchange

The International Ultraviolet Explorer (IUE) satellite system is a cooperative program among the European Space Agency (ESA), the United Kingdom's Science and Engineering Research Council (SERC), and the United States National Aeronautics and Space Administration (NASA)._x000D_ _x000D_ Day to day functioning of the system, as well as dissemination of the scientific data obtained from it, require that considerable information must be exchanged among the three agencies involved._x000D_ _x000D_ Since the beginning of the IUE program, the required information exchanges have evolved to meet changing needs. Much has been documented, some has not. As a result, it was decided at the "Three Agency Meeting" at Villafranca del Castillo in November 1979, that NASA would assume the responsibility of compiling a document to define the required information exchanges. The document would be supplied to the IUE management of ESA and SERC for their comment and agreement._x000D_ _x000D_ In the years between 1979 and 1984 extensive "red line" modification was incorporated into the document. This new release includes all the informal changes plus some formal modifications. As with the original release, its acceptance by the three agencies is indicated by the signatures on the "Concurrence" page.

Document: "Introduction" (p. i)