Mechanically Reconfigurable Linear Phased Array Antenna Based on Single-Block Waveguide Reflective Phase Shifters With Tuning Screws - Polo-Lopez, Lucas; Luis Masa-Campos, Jose; Tomas Muriel-Barrado, Alfonso; Sanchez-Olivares, Pablo; Garcia-Marin, Eduardo; Corcoles, Juan; Ruiz-Cruz, Jorge A.; (Ieee Access, 2020)