Seven element yagi antenna
The yagi antenna is a directional antenna with multiple elements placed one after another. The Yagi-Uda antenna has one driven element, one reflector one side and one or more directors on the other side.
Formulas
![Schematic](/media/schematics/seven-element-yagi-antenna.png)
![](/shared/media/generated/8692d203bfd5.png)
![](/shared/media/generated/013a2d49ef6c.png)
![](/shared/media/generated/024582b384ba.png)
![](/shared/media/generated/9dee214ef89d.png)
l is the symbol for length and is measured in meter (m).
f is the frequency in megahertz (MHz).