If you want to listen to satellites, you have to be able to track them as they pass over the sky. When I first started tracking amateur satellites, computing the satellite’s location in the sky was a ...

The hy-gain rotor is a very sturdy design that has passed the test of time. Paul Rako takes a look inside to see what makes it endure. 1. The hy-gain HAM-IV antenna rotator used on a VHF TV antenna.

Back in the days when you didn’t pay for your TV programming, it was common to have a yagi antenna on the roof. If you were lucky enough to have every TV station in the area in the same direction, you ...