author = "Fonseca, Rui and Barbosa, Domingos and Cupido, Luis and 
                         Mour{\~a}o, Ana and Santos, Dinis M. dos and Smoot, George F. and 
                         Tello, Camilo",
          affiliation = "CENTRA, Instituto Superior T{\'e}cnico and CENTRA, Instituto 
                         Superior T{\'e}cnico and Centro de Fus{\~a}o Nuclear, Instituto 
                         Superior T{\'e}cnico and CENTRA, Instituto Superior T{\'e}cnico 
                         and Departamento Electr{\'o}nica e Telecomunica{\c{c}}{\~o}es, 
                         University of Aveiro and Physics Department, University of 
                         California and Instituto Nacional de Pesquisas Espaciais, 
                         Divis{\~a}o de Astrof{\'{\i}}sica (INPE.DAS)",
                title = "Site evaluation and RFI spectrum measurements in Portugal at the 
                         frequency range 0.408-10 GHz for a GEM polarized galactic radio 
                         emission experiment",
              journal = "New Astronomy",
                 year = "2006",
               volume = "11",
               number = "8",
                pages = "551--556",
                month = "July",
             keywords = "Radio frequency interference, Site testing, Cosmic microwave 
                         background, Polarization.",
             abstract = "We probed for radio frequency interference (RFI) at three 
                         potential galactic emission mapping experiment (GEM) sites in 
                         Portugal using custom made omnidirectional disconic antennas and 
                         directional pyramidal horn antennas. For the installation of a 
                         10-m dish dedicated to the mapping of polarized galactic emission 
                         foreground planned for 2005-2007 in the 5-10 GHz band, the three 
                         sites chosen as suitable to host the antenna were surveyed for 
                         local radio pollution in the frequency range 0.01-10 GHz. Tests 
                         were done to look for radio broadcasting and mobile phone emission 
                         lines in the radio spectrum. The results show one of the sites to 
                         be almost entirely RFI clean and showing good conditions to host 
                         the experiment.",
           copyholder = "SID/SCD",
                 issn = "1384-1076",
             language = "en",
           targetfile = "Site evaluation and RFI spectrum measurements.pdf",
        urlaccessdate = "17 jan. 2021"