This online course equips participants with fundamental knowledge in Earth Observation (EO) to enhance their understanding and utilization of EO data. The course primarily focuses on optical data, exploring their advantages and limitations. Additionally, active remote sensing concepts are introduced. The curriculum combines theoretical lectures with practical assignments related to data processing for specific use cases. Participants engage with a variety of resources, including short videos, webinars, presentations, reading materials, and reference articles. Mandatory quizzes based on the lectures ensure successful completion of the training, and the issuance of a certificate provided by EO AFRICA R&D Facility.