Communications: Coherent optical communication shows promise, the FCC continues on its path of deregulation, and satellite communications go high-frequency

Few fields of electronics are as firmly entrenched as communications, yet revolutionary progress continues to unwind year after year, each development as exciting in its own way as Marconi's experiments with wireless telegraphy. Last year giant steps were taken in bringing the integrated services digital network (ISDN) to fruition around the world. This progress was aided by the continued installation of fiber-optic systems.