A parabolic antenna is a simple enough device ... In this way relatively huge reflectors can be built in space, with easy folding and very little weight. The linked article describes the antenna ...

NASA’s Deep Space Network, an array of giant radio antennas, allows agency missions ... skeleton of the 112-foot-wide (34-meter-wide) parabolic reflector before it was bolted to a 65-foot ...

But even the best SDR is constrained by the antenna it’s connected to ... there’s a new option for those who want to pick up signals from space without breaking the bank: the Discovery ...

Key infrastructure is currently on-hand to develop additional full-motion parabolic dish space-tracking systems—a 40-foot, a 24-foot, and two 20-foot diameter systems. These additional ground ...