Retractable yagi antenna parts

Yagi antenna support parts.

These parts were designed to be used with measuring tape as the radiating elements. Both the reflector and directors use the same part while the Driven Element has a special part for itself.

The size of the elements and spacing was based on this schematic for 433MHz:
http://www.instructables.com/files/orig/F8H/ZM28/H8XM1W8R/F8HZM28H8XM1W8R.jpg

It was also tested and verified. Check instructions for more information.