Data-Relay Satellite Beams at Light Speed – The Most Sophisticated Laser Communication Network Ever Designed
Competition is growing in the space-data-relay sector - SpaceNews
How NASA's TDRS Communications Satellites Work (Infographic) | Space
NASA Viz: Data Relay Network
What is the European Data Relay System? - YouTube
Inmarsat and AVI's satellite data-relay service exits stealth mode after months of secret, in-space tests - SpaceNews
Tracking and Data Relay Satellite (TDRS) | NASA
Tracking and Data Relay Satellite System (TDRS) - General Dynamics Mission Systems
Tracking and Data Relay Satellite System (TDRS) - General Dynamics Mission Systems
ESA - Overview
Japan launches JDRS-1 optical data relay satellite for military, civilian use - SpaceNews
NASA Partners with Telesat Government Solutions to Develop a Tracking and Data Relay Satellite System
Dictionary: Tracking and Data Relay Satellite System
What is a relay satellite? | NASA
What is a relay satellite? | NASA
ESA - Data-relay satellite ready for service
Europe Eyes Expanded Data-relay Service - SpaceNews
Tracking and Data Relay Satellite System - Wikipedia
ESA - The European Data Relay Satellite System – EDRS
Garpun (14F136) data relay satellite
Mars Express Sets Data Relay Record - SpaceRef
U.S. tracking and data relay satellite - Wikipedia
Real-Time Relay of Remote Sensing Data - SpaceLink Real-Time Relay of Remote Sensing Data
First European Data Relay System Satellite Forges 20,000 Successful Laser Links - SpaceRef
JAXA | Data Relay Test Satellite "KODAMA" (DRTS)
Tracking and Data Relay Satellite (TDRS) | NASA
U.S. tracking and data relay satellite - Wikipedia
