LEADER 01742nam 2200445I 450 001 9910707927503321 005 20170214150251.0 035 $a(CKB)5470000002469296 035 $a(OCoLC)972502988 035 $a(EXLCZ)995470000002469296 100 $a20170214j201611 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aVolumetrically-derived global navigation satellite system performance assessment from the Earth's surface through the terrestrial service volume and the space service volume /$fBryan W. Welch 210 1$aCleveland, Ohio :$cNational Aeronautics and Space Administration, Glenn Research Center,$dNovember 2016. 215 $a1 online resource (45 pages) $ccolor illustrations 225 1 $aNASA/TM ;$v2016-219398 300 $a"November 2016." 320 $aIncludes bibliographical references (page 45). 606 $aEarth surface$2nasat 606 $aGlobal Positioning System$2nasat 606 $aOmnidirectional antennas$2nasat 606 $aSatellite constellations$2nasat 606 $aSpace communication$2nasat 615 7$aEarth surface. 615 7$aGlobal Positioning System. 615 7$aOmnidirectional antennas. 615 7$aSatellite constellations. 615 7$aSpace communication. 700 $aWelch$b Bryan W.$01397881 712 02$aNASA Glenn Research Center, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910707927503321 996 $aVolumetrically-derived global navigation satellite system performance assessment from the Earth's surface through the terrestrial service volume and the space service volume$93460140 997 $aUNINA