Modifications

=== Resource ===

=== Resource ===

* [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.  

* [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://www.elprocus.com/design-of-yagi-uda-antenna/ Yagi Uda Antenna] (''elprocus.com'')

* [https://www.elprocus.com/design-of-yagi-uda-antenna/ Yagi Uda Antenna] (''elprocus.com'')

* [http://www.rfwireless-world.com/Terminology/Advantages-and-Disadvantages-of-YAGI-UDA-Antenna.html Advantages & disadvantages of YAGI antenna] (''rfwireless-world.com'')

* [http://www.rfwireless-world.com/Terminology/Advantages-and-Disadvantages-of-YAGI-UDA-Antenna.html Advantages & disadvantages of YAGI antenna] (''rfwireless-world.com'')