# Tracking and Data Relay Satellite System

> network of communications satellites and ground stations used

**Wikidata**: [Q3522774](https://www.wikidata.org/wiki/Q3522774)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tracking_and_Data_Relay_Satellite_System)  
**Source**: https://4ort.xyz/entity/tracking-and-data-relay-satellite-system