LEADER 01618nam 2200445I 450 001 9910707927403321 005 20170214150841.0 035 $a(CKB)5470000002469297 035 $a(OCoLC)972503256 035 $a(EXLCZ)995470000002469297 100 $a20170214j201611 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aSignal strength-based global navigation satellite system performance assessment in 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 (12 pages) $ccolor illustrations 225 1 $aNASA/TM ;$v2016-219399 300 $a"November 2016." 320 $aIncludes bibliographical references (page 12). 606 $aGlobal Positioning System$2nasat 606 $aNavigation satellites$2nasat 606 $aRadio frequencies$2nasat 606 $aSatellite constellations$2nasat 606 $aSignal to noise ratios$2nasat 615 7$aGlobal Positioning System. 615 7$aNavigation satellites. 615 7$aRadio frequencies. 615 7$aSatellite constellations. 615 7$aSignal to noise ratios. 700 $aWelch$b Bryan W.$01397881 712 02$aNASA Glenn Research Center, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910707927403321 996 $aSignal strength-based global navigation satellite system performance assessment in the space service volume$93503866 997 $aUNINA