The uplink tower on Ruul existed three kilometers from Ruul's central computer complex. A large antenna, it was used to transmit data offplanet from the complex. In 0 BBY, the computer facility's relay was damaged in an Imperial attack that took the area back from the Rebel Alliance. Dellis Tantor had to string a series of remote relay beacons from the complex to the tower in order to transmit Rebel data to the Star Destroyer Inquisitor in orbit.