diy patch antenna cloverleaf circular polarized

I wanted to share my antenna mod. This mod allows you to build a nice diversity patch antenna for under $25. First, get one of these Cisco ANT5170R-P antennas: http://www.cisco.com/c/en/us/td/docs/wireless/antenna/installation/guide/ant5170r.pdf They list for $399 but you can get them used on...