E. F. Johnson Company Catalog. Clearchannel LTR Advertising Catalog 1984. Material: paper. Size: 8 1/2" x 11". Description: gray cover; color photograph of a phone system; red print between black print: "Tick, Tick, Tick"; black print: "When time is short, waiting to use a mobile telephone can really tick you off. But Johnson clears the air with a breakthrough in business radio systems. Model 8865 Clearchannel LTR."; 2 pages.