The Driven elements of the ZR6YY antenna
Having received numerous requests to publish the design for the ZR6YY yagi I have now put the information out world wide in the hope that the design works for you.
Element Lengths |
|
reflector |
320 cm |
driven 1 |
296.5 cm |
driven 2 |
274.5 cm |
director 1 |
255 cm |
director 2 |
254 cm |
director 3 |
245 cm |
Element Spacing |
|
The measurements are taken from the reflector element |
|
reflector |
0 |
driven 1 |
78.5 cm |
driven 2 |
120.8 cm |
director 1 |
179.2 cm |
director 2 |
267 cm |
director 3 |
383 cm |
Construction
All the elements are isolated from the boom. The two driven elements are fed direct and 180 degrees out of phase. Feed the antenna directly with 50 ohm coax no balun necessary. Driven element 1 and driven element 2 are made up of two pieces of aluminium each separated by a 15mm gap.