Wideband Dual-Circularly Polarized Antennas Using Aperture-Coupled Stacked Patches and Single-Section Hybrid Coupler. - Son Xuat Ta; Van Cuong Nguyen; Bang-Tam Nguyen-Thi; Thai Bao Hoang; An Ngoc Nguyen; Khac Kiem Nguyen; Chien Dao-Ngoc (IEEE Access, 2022)