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Antenna
Designs Index
Three high-quality, detailed and researched designs are here - the High-Gain
J-Pole, a rare plan for a Circularly Polarized antenna, and a 3-Element
Yagi.
Build
Your Yagi Antenna
Basic guide for building a directional Yagi antenna for use in the FM
broadcast band.
Tunable
Dipole Antenna
Hand-drawn schematic of a useful twist on a venerable design.
J-Pole
Antenna by G. Forrest Cook
The schematic is tuned for use at 89 MHz, shorten or lengthen the long
element to modify for your specific frequency.
J-Pole
Information File, by KE3FL
A very comprehensive how-to guide to building a J-Pole antenna, includes
free design software.
Design
Your Own Super J-Pole
Includes a Javascript calculator, plug in the frequency you want and it
will tell you the measurements to design for.
Build
one Yagi antenna
Fractured English instructions on how to build a low-cost directional
antenna for FM broadcast use.
2
Meter 1/2 Wave J-Pole Antenna Made From 450-Ohm Ladder Line
Not recommended for regular use, but sure helpful
in a pinch! How
to Build a Tin-Can Waveguide Antenna
No kidding: "for 802.11b Wireless Networks or other 2.4GHz
Applications" - but could you STL with it?
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