LEADER 01758oam  2200469   450 
001 9910700198103321
005 20121123114738.0
035   $a(CKB)5470000002406981
035   $a(OCoLC)778360146
035   $a(EXLCZ)995470000002406981
100   $a20120226d1980      ua             0
101 0 $aeng
135   $aurun||||a|a||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aEffect of small frequency changes on the radiation patterns of MF (AM) directional antennas$b[electronic resource] /$fA.C. Stewart, J.B. Heffelfinger
210  1$a[Washington] :$cDept. of Commerce, National Telecommunications and Information Administration,$d[1980]
215   $av, 55 pages $cillustrations ;$d28 cm
225 1 $aNTIA report ;$v80-39
300   $a"May 1980."
300   $aTItle from title screen (viewed on Feb. 26, 2012).
320   $aIncludes bibliographical references.
517   $aEffect of small frequency changes on the radiation patterns of MF 
606   $aRadio broadcasting$zUnited States
606   $aPhased array antennas
606   $aRadio frequency allocation$zUnited States
615  0$aRadio broadcasting
615  0$aPhased array antennas.
615  0$aRadio frequency allocation
700   $aStewart$b A. C$g(Arthur C.)$01397098
701   $aHeffelfinger$b John B.$f1917-$01397099
712 02$aUnited States.$bNational Telecommunications and Information Administration.
801  0$bOCLCE
801  1$bOCLCE
801  2$bGPO
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910700198103321
996   $aEffect of small frequency changes on the radiation patterns of MF (AM) directional antennas$93458327
997   $aUNINA