Home-Brew Antennae

From WirelessAfrica
Jump to navigation Jump to search

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:

P9170496.jpg
Cantenna.jpg
Cantenna2.jpg

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

Template.jpg
Wet-11.jpg

Simulation

NEC tools NEC 2

Simulation.jpg