Astronauts Josh Cassada and Frank Rubio installed and deployed an ISS Roll Out Solar Array (iROSA). The rollout occurred while the International Space Station was flying over the Pacific Northwest.

A promising candidate is the combination of array-fed reflector antenna and Digital Beamforming (DBF) technique. Therefore, this paper establishes an echo model for array-fed reflector antenna and ...

A new report on the U.S.'s readiness in the face of threats from space has revealed concerns about our vulnerability to major ...