Postulates operational goals and applications@ recommends standards and test procedures for ground-based automated weather observation equipment. Provides system characteristics for users@ designers@ manufacturers@ and installers of such equipment of interest to various users@ including airfield operations@ meteorological services@ aviation administrations@ airplane and helicopter operators@ etc. Includes test June 2014 RTCA List of Available Documents Page 94 of 142 conditions and procedures for installed system performance and operational characteristics with test procedures.