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024 8 $aGOVPUB-C13-2247bbdb8914219c32ea36105c548b7d
035   $a(CKB)5470000002499142
035   $a(OCoLC)905883326
035   $a(OCoLC)995470000002499142
035   $a(EXLCZ)995470000002499142
100   $a20150330d1962      ua             0
101 0 $aeng
135   $aurbn||||||abp
135   $aurbn||||||ada
181   $ctxt$2rdacontent
182   $cn$2rdamedia
183   $anc$2rdacarrier
200 10$aRadiation patterns in the lower ionosphere and Fresnel zones for elevated antennas over a spherical earth /$fR.G. Merrill and W.V. Mansfield
210  1$aWashington :$cU.S. Dept. of Commerce, National Bureau of Standards,$d1962.
215   $a1 online resource (iii, 128 pages) $cdiagrams
225 1 $aNBS monograph ;$v38
320   $a"References and notes": page 29.
606   $aIonospheric radio wave propagation
606   $aRadio waves$xScattering
606   $aRadio$xAntennas
606   $aOndes radio electriques$xDiffusion
606   $aOndes radio electriques$xPropagation dans l'atmosph ere
606   $aRadio$xAntennes
606   $aIonospheric radio wave propagation$2fast
606   $aRadio waves$xScattering$2fast
606   $aRadio$xAntennas$2fast
615  0$aIonospheric radio wave propagation.
615  0$aRadio waves$xScattering.
615  0$aRadio$xAntennas.
615  6$aOndes radio electriques$xDiffusion.
615  6$aOndes radio electriques$xPropagation dans l'atmosph ere.
615  6$aRadio$xAntennes.
615  7$aIonospheric radio wave propagation.
615  7$aRadio waves$xScattering.
615  7$aRadio$xAntennas.
676   $a621.384135
700   $aMerrill$b R. G$01420293
702   $aMansfield$b W. V.
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
906   $aBOOK
912   $a9910712905603321
996   $aRadiation patterns in the lower ionosphere and Fresnel zones for elevated antennas over a spherical earth$93537678
997   $aUNINA