Simple 6 elements Yagi for 144 MHz

This is a simple 6 elements Yagi for 144 MHz, build in a few hours, with the design of DK7ZB who has a wonderful site with many VHF and UHF antennas.

This is the link:  DK7ZB SITE
In this site you can find the dimensions for the dipoles (reflectors, active, directors). You can find single antennas and stacks. I was looking for an antenna for restrected space.

The boom is 2 m;  impedence is 50 Ohm; gain is 9,3 dBd.
Easy to build; fast good result with no tuning and re-tuning.

Detail of the aluminium used:

- 1 square tube 16 mm X 16 mm, length 200 cm
- for the dipoles: 6 aluminium bars 15 mm x 2 mm, lenght 1 m
- the reflector has been extended to reach the right dimension (1026 mm)

73 de IZ3AYQ

2 meters quad

2 meters quad Antenna

The antenna can be tuned for 145 or 144 MHz, and used in vertical polarization (as in this picture) or in orizontal polarization. How to tune it? Move the aluminium tube left or right. The tube is insulated
from the quad by two small plastic insulators. It is an indoor antenna or antenna for restricted space.