01712oam 2200493I 450 991070651520332120171215152114.0(CKB)5470000002457299(OCoLC)1015341116(OCoLC)995470000002457299(EXLCZ)99547000000245729920171214j201708 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierReconfigurable wideband circularly polarized stacked square patch antenna for cognitive radios /Miguel A. Barbosa Kortright, Seth W. Waldstein and Rainee N. SimonsCleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,August 2017.1 online resource (8 pages) color illustrationsNASA/TM ;2017-219551"August 2017."Includes bibliographical references (page 8).BandwidthnasatFrequenciesnasatPatch antennasnasatRadio equipmentnasatLaunching pad antennanasatBandwidth.Frequencies.Patch antennas.Radio equipment.Launching pad antenna.Kortright Miguel A. Barbosa1408591Waldstein Seth W.Simons Rainee1949-NASA Glenn Research Center,GPOGPOGPOBOOK9910706515203321Reconfigurable wideband circularly polarized stacked square patch antenna for cognitive radios3492932UNINA