01725nam 2200445I 450 991070764410332120161005091353.0(CKB)5470000002466098(OCoLC)959837249(EXLCZ)99547000000246609820161004j201609 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierGeometrical-based navigation system performance assessment in the space service volume using a multiglobal navigation satellite system methodology /Bryan W. WelchCleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,September 2016.1 online resource (28 pages) color illustrationsNASA/TM ;2016-219143"September 2016."Includes bibliographical references (page 28).Directional antennasnasatEarth orbital environmentsnasatGlobal Positioning SystemnasatNavigation satellitesnasatSpace observations (from Earth)nasatDirectional antennas.Earth orbital environments.Global Positioning System.Navigation satellites.Space observations (from Earth)Welch Bryan W.1397881NASA Glenn Research Center,GPOGPOBOOK9910707644103321Geometrical-based navigation system performance assessment in the space service volume using a multiglobal navigation satellite system methodology3504173UNINA