Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) D. Delaune and K. Ito and I. Ida and H. Yoshimura,A simple circularly polarized beam-switching patch array antenna for satellite communication,IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229),,IEEE,2002-11-13,4,,776-779,https://cir.nii.ac.jp/crid/1360302868778501632,https://doi.org/10.1109/aps.2001.959580