The European Data Relay System (EDRS) system is a European constellation of GEO satellites that relay information and data between satellites, spacecraft, UAVs, and ground stations. The first components (a payload and dedicated GEO satellite) were launched in 2016 and 2019.Purpose and context
The designers intend the system to provide almost full-time communication, even with satellites in low Earth orbit that often have reduced visibility from ground stations. It makes on-demand data available to, for example, rescue workers who want near-real-time satellite data of a crisis region.There are a number of key services that will benefit from this system's infrastructure:
Earth Observation applications in support of time-critical and/or data-intensive services; e.g., change detection, environmental monitoring.
Government and security services that need images from key European space systems such as Global Monitoring for Environment and Security.
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