They were developed by the Instituto Nacional de Técnica Aeroespacial ( National Institute for Technical Aeronautics ) and the European Space Agency now belongs to Eutelsat ( 27.69 % ) and other private shareholders from Spain .
They were developed by the Instituto Nacional de Técnica Aeroespacial ( National Institute for Technical Aeronautics ) and the European Space Agency . 
 It now belongs to Eutelsat ( 27.69 % ) and other private shareholders from Spain .