02182oam 2200601Kn 450 991071290560332120180924050950.8GOVPUB-C13-2247bbdb8914219c32ea36105c548b7d(CKB)5470000002499142(OCoLC)905883326(OCoLC)995470000002499142(EXLCZ)99547000000249914220150330d1962 ua 0engurbn||||||abpurbn||||||adatxtrdacontentnrdamediancrdacarrierRadiation patterns in the lower ionosphere and Fresnel zones for elevated antennas over a spherical earth /R.G. Merrill and W.V. MansfieldWashington :U.S. Dept. of Commerce, National Bureau of Standards,1962.1 online resource (iii, 128 pages) diagramsNBS monograph ;38"References and notes": page 29.Ionospheric radio wave propagationRadio wavesScatteringRadioAntennasOndes radio electriquesDiffusionOndes radio electriquesPropagation dans l'atmosph ereRadioAntennesIonospheric radio wave propagationfastRadio wavesScatteringfastRadioAntennasfastIonospheric radio wave propagation.Radio wavesScattering.RadioAntennas.Ondes radio electriquesDiffusion.Ondes radio electriquesPropagation dans l'atmosph ere.RadioAntennes.Ionospheric radio wave propagation.Radio wavesScattering.RadioAntennas.621.384135Merrill R. G1420293Mansfield W. V.United States.National Bureau of Standards.OCLCEOCLCEOCLCQBOOK9910712905603321Radiation patterns in the lower ionosphere and Fresnel zones for elevated antennas over a spherical earth3537678UNINA