The Environmental Data Representation Standards Product Support Group (EDRS PSG)  supports the SEDRIS family of ISO/IEC standards.  The activities of the EDRS PSG include:

• Maintaining liaison with the ISO/IEC JTC 1/SC 24 organization, the SEDRIS Organization, and the community of environmental data representation users and practitioners
• Providing the M&S community a forum for the post standardization support and maintenance of the SEDRIS family of ISO/IEC standards
• The development, implementation, and promotion of related tools
• The creation of a forum for community education on application and use of the standards

Currently, the EDRS PSG provides a forum for the post standardization support of the following ISO/IEC Standards:

• ISO/IEC 18023-1, SEDRIS -- Part 1: Functional specification
• ISO/IEC 18023-2, SEDRIS -- Part 2: Abstract transmittal format
• ISO/IEC 18023-3, SEDRIS -- Part 3: Transmittal format binary encoding
• ISO/IEC 18024-4, SEDRIS language bindings -- Part 4: C
• ISO/IEC 18025, Environmental Data Coding Specification (EDCS)
• ISO/IEC 18041-4, EDCS language bindings -- Part 4: C
• ISO/IEC 18026, Spatial Reference Model (SRM)
• ISO/IEC 18042-4, SRM language bindings -- Part 4: C

These Standards are the joint property of ISO/IEC and the SEDRIS Organization, and may be freely downloaded from the SEDRIS standards web site or purchased directly from ISO's Products web site.

Additional information on ISO, IEC, related standards organizations, and SISO's support of ISO/IEC International Standards can be found at ISO Standards.