Home-Brew Antennae: Difference between revisions
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==Simulation== | ==Simulation== | ||
[http://www.nec2.org/ NEC 2] was used to generate the simulated field pattern for a cantenna with the dimensions used in our first test cantenna. | [http://www.nec2.org/ NEC 2] was used to generate the simulated field pattern for a cantenna with the dimensions used in our first test cantenna. | ||
[[Image:Simulation.jpg]] | [[Image:Simulation.jpg]] |
Revision as of 12:28, 16 November 2005
Omnidirectional Antennae
It is possible to make a homebrew omnidirectional antenna, as shown in the guides listed on Links#Antennae.
Directional Antennae
Cantenna
The instructions shown the websites listed on Links#Antennae were used ti build some cantennae as shown in the pictures:
![](/wiki/images/thumb/4/4d/P9170496.jpg/300px-P9170496.jpg)
![](/wiki/images/thumb/c/c1/Cantenna.jpg/300px-Cantenna.jpg)
![](/wiki/images/thumb/a/a5/Cantenna2.jpg/300px-Cantenna2.jpg)
File:Circular waveguide optimise.xls
Sectoral Antenna
Turn an Omni into a Sector
The reflector designs shown, found at Freeantennas.com can be applied to a standard omni and will turn the omni into a sectoral antenna.
![](/wiki/images/thumb/e/e4/Template.jpg/300px-Template.jpg)
![](/wiki/images/thumb/2/22/Wet-11.jpg/300px-Wet-11.jpg)
Simulation
NEC 2 was used to generate the simulated field pattern for a cantenna with the dimensions used in our first test cantenna.