Signal Corps. 11-272. Radio sets SCR-210-A,-B,-C,-D,-E,-F,-G,-H, and-J, and radio sets SCR-245-A,-B,-C,-D,-F,-G,-H,-J,-K,-L,-M.-N, and-P, Feb. 23, 1942; [prepared under direction of chief signal officer]. Changes 1; July 11, 1942.