01605nam 2200409Ia 450 991070077320332120120103081613.0(CKB)5470000002411273(OCoLC)770004994(EXLCZ)99547000000241127320120103d1997 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierAnalysis of spectrum utilization and message length statistics for the railroad land mobile radio service[electronic resource] /Michael Terada[Boulder, Colo.] :U.S. Dept. of Commerce, National Telecommunications and Information Administration,[1997]1 online resource (v, 31 pages) illustrations, maps (some color)NTIA report ;98-345Title from title screen (viewed on Jan. 3, 2012)."November 1997."Includes bibliographical references (page 28).Radio frequencyMobile communication systemsUnited StatesRailroadsUnited StatesSignalingRadio frequency.Mobile communication systemsRailroadsSignaling.Terada Michael1423405United States.National Telecommunications and Information Administration.GPOGPOBOOK9910700773203321Analysis of spectrum utilization and message length statistics for the railroad land mobile radio service3550984UNINA