LEADER 01383oam  2200385 a 450 
001 9910689803303321
005 20121009092828.0
035   $a(CKB)5470000002333214
035   $a(OCoLC)606122468$z(OCoLC)300550976$z(OCoLC)778358794
035   $a(EXLCZ)995470000002333214
100   $a20100409d1979      ua             0
101 0 $aeng
135   $aurbn||||||abp
135   $aurbn||||||ada
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMethods of improving the performances of HF digital radio systems$b[electronic resource] /$fC.C. Watterson
210  1$a[Washington, D.C.] :$cDept. of Commerce, National Telecommunications and Information Administration,$d1979.
215   $a1 online resource (vii, 128 pages) $cillustrations
225 1 $aNTIA report ;$v79-29
300   $a"Oct. 1979."
320   $aIncludes bibliographical references (pages 127-128).
606   $aDigital communications
615  0$aDigital communications.
700   $aWatterson$b C. C$g(Clark C.)$01385355
712 02$aUnited States.$bNational Telecommunications and Information Administration.
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910689803303321
996   $aMethods of improving the performances of HF digital radio systems$93432760
997   $aUNINA