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Upgrades to NASA’s Space Communications Infrastructure Pave the Way to Higher Data Rates

The ability to transmit and receive data is crucial in space exploration. Spacecraft need robust networking capabilities to send data – including large files like photos and videos - captured by onboard instruments to Earth as well as simultaneously receiving commands from control centers. NASA has made significant strides to improve the agency’s space communications capabilities while simultaneously maintaining ongoing operations and service to a large number of missions.

Three Tracking and Data Relay Satellite (TDRS) ground station antennas at NASA's White Sands Complex in Las Cruces, New Mexico.
Three Tracking and Data Relay Satellite (TDRS) ground station antennas at NASA's White Sands Complex in Las Cruces, New Mexico.
Credits: NASA's Goddard Space Flight Center
The Space Network Ground Segment Sustainment (SG SS) project implemented critical upgrades to NASA’s space communications infrastructure by modernizing Tracking and Data Relay Satellite (TD RS) ground terminals and improving many system capabilities. Orbiting 22,300 miles above Earth, multiple TD RS provide communication links between orbiting satellites, such as the Hubble Space Telescope and the International Space Station, and grounds based control centers. TD RS allow missions to be in nearly constant contact with their control and data centers on Earth.

In April 2021, the SG SS team finished initial upgrades to systems at the Second TD RS System Ground Terminal () and the White Sands Ground Terminal (WSGT) sites, located at NASA’s White Sands Complex in Las Cruces, New Mexico.



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