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Housing the Communication System
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APL technicians are integrating a terminal board unit onto a panel that will later be mounted on one of the two STEREO observatories (STEREO “A" observatory—the one that will be placed ahead of Earth in its orbit around the sun).
Once the panel has been placed on the observatory's main structure, it will hold the spacecraft's primary communication system, known as the radio frequency (RF) system. The RF system enables two-way communication between the spacecraft and scientists on the ground—a capability used to downlink data from or uplink commands to the spacecraft.
Credit: NASA/Johns Hopkins University Applied Physics Laboratory
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