Schröder, Reinhard; Puls, Jürgen; Hajnsek, Irena; Jochim, Friedrich; Bueso-Bello, Jose-Luis (German Aerospace Centre – DLR, Microwaves and Radar Institute, P.O. Box 1116, D-82230 Wessling, Germany)
Datashvili, Leri; Baier, Horst (Institute of Lightweight Structures – LLB, Technical University of Munich, Boltzmannstr. 15, D-85748 Garching, Germany)
Silva, Mario Marcos Quintino da; Paradella, Waldir Renato (Instituto Nacional de Pesquisas Espaciais – INPE, Caixa Postal 515, 12201-970 São José dos Campos – SP, Brazil)
The Brazilian-German MAPSAR (Multi-Application Purpose SAR) mission is a proposal for a light and innovative L-band SAR sensor, based on INPE´s Multi-Mission Platform (500 kg class spacecraft). The main mission objectives are the assessment, management and monitoring of natural resources. The phase A study is planned to be finished by mid of 2006. The key component of the SAR instrument is the SAR antenna, which is designed as an elliptical parabolic reflector antenna. L-band (high spatial resolution, quad-pol) has been selected for the SAR sensor as optimum frequency accounting for the majority of Brazilian and German user requirements.