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Antennas
The Miracle Antenna explained
Learn how the miracle antenna works »
Portable Dipole
Create a portable dipole. »
SWR and Return Loss – There’s an Ap for That
For the RF/microwave enthusiasts out there, you may recall the old HP Reflectometer Calculator that does conversions between SWR, Return Loss and calculated mismatch uncertainty. »
KE6BQW’s tower
Mike, KE6BQW, assembled and raised his new tower. He took pictures to share with us. »
Webinar: Advanced Antenna Modeling and Visualization
Join us for this FREE webinar to learn more about Modeler’s support for antenna modeling »
Collapsible fabric Yagi antenna
Here are all the instructions on how to create your own collapsible fabric Yagi antenna. Perfect for your go-bag. »
G5RV vs. Ground Plane on 80M: G5RV by 5dB!
"Excited by the possibility of adding to my DX worked totals on 80M during the ARRL DX CW contest a few week-ends ago, I hurriedly installed a new 80M ground plane (GP) antenna. Like the year before, I intended a single-band effort and the new GP was going to... »
Simple Antenna Demos Antenna Polarization
Diana, KC2UHB, used her lightbulb/antenna combo to demonstrate the principle of directional antennas by using a Yagi as her transmitting antenna. I didn’t have a Yagi handy, so I used one of my home-made J-pole antennas. »
Recycling TV Antennas for 2-Meter Use
Are you sure you want to bid farewell to that mass of metal? These slowly disappearing aluminum skyline silhouettes are a gold mine of salvageable antenna construction material. When modified by a resourceful radio amateur, they’ll become—with almost no cash outlay—a respectably performing Yagi antenna for the 2-meter band. »
Building a Compressed-Air Antenna Launcher
"Building the launcher started when I needed to get a wire over the crowns of some 50-60ft trees in my yard. The EZ hang sling shot I tried was a joke, I could almost throw a weight by hand as far and as accurately as it could. Leaves and branches easily deflected the small... »
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