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The NMRA DCC Working Group is a collaboration of modellers and DCC manufacturers working together for the benefit of all concerned.
Formally, it is part of the NMRA Standards & Conformance Department, under the Electrical/DCC/Software manager.
The DCC Working Group may be reached via email at tech-dcc@hq.nmra.org.
The organization and operation of the Working Group is described by a procedures document, TN-2004-1.
Current activities are listed on the discussion topics page. ("Active Topics" is the way that the working group organized what its doing)