* [https://youtu.be/J3PBL9oLPX8 A closer look at the “black magic” of antennas, how they work, what is essential, and how to test them] (Youtube)<br />Very pratical and affordable video. They explain the power lost (or gain) in the antenna, in the '''antenna cable'''. | * [https://youtu.be/J3PBL9oLPX8 A closer look at the “black magic” of antennas, how they work, what is essential, and how to test them] (Youtube)<br />Very pratical and affordable video. They explain the power lost (or gain) in the antenna, in the '''antenna cable'''. |