The EnduroSat X-band Patch 4x4 Array is a high gain right hand circularly polarized patch antenna. The X-band 4x4 Array utilizes sixteen patches to shape the beam achieving more than 3X gain than an individual patch. The antenna is designed for the X/Y side of a CubeSat structure.
Space qualification tests are performed on the Qualification Engineering Model. Qualification test levels and duration will follow the ESA standard ECSS-E-ST-10-03C and GEVS: GSFC-STD-7000A.