01782oam 2200505 450 991071355500332120200521144007.0(CKB)5470000002502113(OCoLC)1127388856(EXLCZ)99547000000250211320191113d1925 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierThe drift of an aircraft guided towards its destination by directional receiving of radio signals transmitted from the ground /by Edward P. Warner[Washington, D.C.] :National Advisory Committee for Aeronautics,1925.1 online resource (5 pages, 1 unnumbered page) illustrationsTechnical notes / National Advisory Committee for Aeronautics ;No. 220"June 1925."No Federal Depository Library Program (FDLP) item number.Includes bibliographical reference (page 5).AirplanesRadio beaconsRadioNavigationAirplanesfastRadio beaconsfastAirplanes.Radio beacons.RadioNavigation.Airplanes.Radio beacons.Warner Edward Pearson1894-1958,1393953United States.National Advisory Committee for Aeronautics,TRAALTRAALTRAALOCLCOOCLCFGPOBOOK9910713555003321The drift of an aircraft guided towards its destination by directional receiving of radio signals transmitted from the ground3541742UNINA