Question

Communication satellites receive signals from a transmitting station on Earth, amplify them, and beam the signals down to another Earth station, which may be thousands of miles away.

Answer 1

Communtication satellites transmittes signals from Earth, and amplify them, even though they might be far away. (This was my answer)

Or

Communication satellites receive signals from a transmitting station and amplify and beam them to another. (This is the sample answer)