Dual Band J-Pole for UHF VHF
An homebrew dual band j-pole antenna
Category Archives: UHF Antenna
Double Quad for VHF UHF by I5NZR
A Dualband QUAD made with two identical square loops, whose sides measure a quarter wave (?/4), connected together
Single Coax Feed to Multi-Band Copper Cactus Antenna
There are three connection possibilities to feed the multi-band copper cactus antenna with a single feedline or coax. However, it is imperative that you use the proper coax for the highest band of operation, RG58 just won’t cut it and even RG8 in lengths longer than 25 feet is marginal in 440 operation. For all
Six Meter Wavelength Band Antennas
The advent of new, affordable MF/HF/VHF radios in the last few months from virtually all the major manufacturers, has spurred a migration by more and more Hams to the Six Meter band. I’m often asked, “What antennas are best for Six Meters?”. Before answering a question like this, I must first ask the Ham what
Simple double-quad Antenna
A simple 2.4 GHz double QUAD Antenna
70 cm Quagi Antenna
This was my first AO-10 antenna. As goofy as it looked, I managed a few contacts with 10 Watts, including Brazil on SSB. This is a pair of 8-element quagi’s, set up for RHCP. Construction is simple, with no critical tuning elements. They are made from 1/2″ PVC pipe and # 10 wire (stripped from
Petlowany Antennas by K6NO
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
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