European Space Agency ESA is an international organisation with 20 Member States. By coordinating the financial and intellectual resources of its members, it can undertake programmes and activities far beyond the scope of any single European country. ESA’s purpose is to provide for, and to promote, for exclusively peaceful purposes, cooperation among European States in space research and technology and their space applications. STREAGO (by 43dB OÜ) contract is funded by the Government of Estonia through an ESA procurement contract under the PECS (Plan for European Cooperating States).