Working IAW Gulfstream drawing 11595/140751, sheet 3, located -11 plate on center at FS 151, LBL 17.5, and WL 60. Installed -11 plate then mounted XM Data Reciever PN 4092743-901, SN 35530109 on -II plate. Reciever weight is 1.5 lbs., structure weight 0.2 lbs.. Related item CMP 316700 XM Data Reciever Step: 13.