01383oam 2200385 a 450 991068980330332120121009092828.0(CKB)5470000002333214(OCoLC)606122468(OCoLC)300550976(OCoLC)778358794(EXLCZ)99547000000233321420100409d1979 ua 0engurbn||||||abpurbn||||||adatxtrdacontentcrdamediacrrdacarrierMethods of improving the performances of HF digital radio systems[electronic resource] /C.C. Watterson[Washington, D.C.] :Dept. of Commerce, National Telecommunications and Information Administration,1979.1 online resource (vii, 128 pages) illustrationsNTIA report ;79-29"Oct. 1979."Includes bibliographical references (pages 127-128).Digital communicationsDigital communications.Watterson C. C(Clark C.)1385355United States.National Telecommunications and Information Administration.OCLCEOCLCEOCLCQGPOBOOK9910689803303321Methods of improving the performances of HF digital radio systems3432760UNINA