LEADER 00874nam0-22003131--450- 001 990002856110403321 005 20051206134353.0 035 $a000285611 035 $aFED01000285611 035 $a(Aleph)000285611FED01 035 $a000285611 100 $a20030910d1995----km-y0itay50------ba 101 0 $aita 102 $aIT 200 1 $aComuni e servizi pubblici in Europa$epił USA e Canada$fGuido Bonicelli, Ario Rupeni 210 $aBergamo$cCel$d1995 215 $a152 p.$d24 cm 676 $a352$v11 rid.$zita 700 1$aBonicelli,$bGuido$0116358 701 1$aRupeni,$bArio$0116359 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990002856110403321 952 $a0-4-507-TI$b5004 DEA$fECA 952 $aVI G 788$b4124$fDDA 959 $aECA 959 $aDDA 996 $aComuni e servizi pubblici in Europa$9418261 997 $aUNINA LEADER 01712oam 2200493I 450 001 9910706515203321 005 20171215152114.0 035 $a(CKB)5470000002457299 035 $a(OCoLC)1015341116 035 $a(OCoLC)995470000002457299 035 $a(EXLCZ)995470000002457299 100 $a20171214j201708 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aReconfigurable wideband circularly polarized stacked square patch antenna for cognitive radios /$fMiguel A. Barbosa Kortright, Seth W. Waldstein and Rainee N. Simons 210 1$aCleveland, Ohio :$cNational Aeronautics and Space Administration, Glenn Research Center,$dAugust 2017. 215 $a1 online resource (8 pages) $ccolor illustrations 225 1 $aNASA/TM ;$v2017-219551 300 $a"August 2017." 320 $aIncludes bibliographical references (page 8). 606 $aBandwidth$2nasat 606 $aFrequencies$2nasat 606 $aPatch antennas$2nasat 606 $aRadio equipment$2nasat 606 $aLaunching pad antenna$2nasat 615 7$aBandwidth. 615 7$aFrequencies. 615 7$aPatch antennas. 615 7$aRadio equipment. 615 7$aLaunching pad antenna. 700 $aKortright$b Miguel A. Barbosa$01408591 702 $aWaldstein$b Seth W. 702 $aSimons$b Rainee$f1949- 712 02$aNASA Glenn Research Center, 801 0$bGPO 801 1$bGPO 801 2$bGPO 906 $aBOOK 912 $a9910706515203321 996 $aReconfigurable wideband circularly polarized stacked square patch antenna for cognitive radios$93492932 997 $aUNINA