Characterization of a dense aperture array for radio astronomyS. A. Torchinsky, A. O. H. Olofsson, B. Censier, A. Karastergiou, M. Serylak, P. Picard, P. Renaud and C. TaffoureauA&A, 589 (2016) A77DOI: https://doi.org/10.1051/0004-6361/201526706