Schraml, K.K.SchramlWilke, R.R.WilkeHeberling, D.D.HeberlingNarbudowicz, A.A.Narbudowicz2022-03-142022-03-142016https://publica.fraunhofer.de/handle/publica/41066710.1109/MIKON.2016.7491998In order to achieve lightweight yet low cost antennas for use in a geostationary space environment, the GeReLEO-SMART project develops a substrate-based, multilayer antenna structure which can replace traditional horn antennas as feeds for reflector antennas. To verify a design, an example mission is developed, consisting of a 2×2 patch antenna array with an integrated stripline bandpass filter. The operation frequency is 25.935 GHz. This multilayer antenna will be tested on board of the German technology demonstration mission ""Heinrich-Hertz"" (H2SAT). The design passed all tests for space qualification without decrease in performance.en621conference paper