1. DLR Institute of Solar Research Paseo de Almería 73 04001 Almería Spain
2. CIEMAT Plataforma Solar de Almería Ctra. de Senés s/n km 4 04200 Tabernas Spain
3. DLR Remote Sensing Data Center Kalkhorstweg 53 17235 Neustrelitz Germany
4. DLR Institute of Remote Sensing Technology Kalkhorstweg 53 17235 Neustrelitz Germany
5. CIEMAT Renewable Energy Division Avda. Complutense 40 28040 Madrid Spain