01519nam 2200421 a 450 991070082320332120110818093430.0(CKB)5470000002412788(OCoLC)747100936(EXLCZ)99547000000241278820110818d1981 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPerformance parameters for digital and analog service modes[electronic resource] /M. Nesenbergs, W.J. Hartman, R.F. Linfield[Boulder, Colo.?] :U.S. Dept. of Commerce, National Telecommunications and Information Administration,[1981]1 online resource (276 pages) illustrationsNTIA report ;81-57"January 1981."Includes bibliography references (page 276).Telecommunication systemsEvaluationDigital communicationsSystem designTelecommunication systemsEvaluation.Digital communications.System design.Nesenbergs M1397100Hartman W. J1395520Linfield R. F1395519United States.National Telecommunications and Information Administration.GPOGPOBOOK9910700823203321Performance parameters for digital and analog service modes3550989UNINA