Home-Brew Antennae
Omnidirectional Antennae
It is possible to make a homebrew omnidirectional antenna, as shown in the guides listed on Links#Antennae.
Directional Antennae
Cantenna
Instructions on how to build your own can be found on many websites, here are some that we used: Extremetech guide on building a cantenna Cantenna HowTo
And pictures of the results:
File:Circular waveguide optimise.xls
Sectoral Antenna
Turn an Omni into a Sector
The designs shown for a reflector can be applied to a standard omni and will turn the omni into a sectoral antenna.
Taken from: Freeantennas.com
Simulation
