If you have any interest in antennas at all, fasten your seat belts and hang on to your hats, because what you are about to read here is going to blow you away. Conventional wisdom concerning antenna matching and resonating is about to be shattered and the principles revealed here might just be the start…
Category: UHF Antenna
The Stacked J-Pole
First build a regular MonoBand J-Pole from the Copper Cactus plans for a 2-meter antenna, leaving off the top pipe cap. Build a second J-Pole, which will look like an L-Pole, the vertical is 38-3/4 inches from the top of the antenna, down to the centerline of the horizontal member. The lower leg of the…
WLAN antenna 2.4 GHz Do-It-Yourself
Homebrew outdoor antenna to 2.4 GHz band.Antenna gain is comparable to panel antennas including the Freedom Antenna Set sold in Finland. Comparing is made simple by connecting antennas to same computer with Orinoco WLAN card and indicating results in Link Test of the Client Manager. My antenna has been found about 2 dB better gain…
Build a 2.4 GHz 10 element Yagi Antenna
A 2.4 GHz 10 elements Yagi antenna hombrewed. Download the PDF files for full instructions. Full sized images and detailed instructions are listed here
144 430 portable antenna picture gallery
The Handi-Tenna 70 cm Portable Antenna
Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip. Like many satellite operators, I own an Arrow Antenna. That antenna is a great performer, but sometimes it is impractical for me to use it–it is…