Directional antennas do have their strengths such as power over distance but sometimes you may need to use a good omnidirectional antenna to produce 360 degrees of coverage over a smaller area.
So this video is a different take on the traditional biquad antenna and I will show you how to make an omnidirectional biquad for 2.4 GHz.
The AR685 is fitted with a high-quality aluminum metal frame and still weighs only 310g. The lithium-ion battery with 1500mAh allows at least 16 hours of operation in DMR. In addition to DMR, the device can also be used for analog FM operation. The integrated GPS receiver allows the GPS position to be transmitted […] Read more
The Netherlands State Gazette for March 28, 2017 announced that on April 1 Dutch radio amateurs will have the new 5 MHz band agreed at WRC-15 Telecommunication regulators in The Netherlands have scaled back considerably the liberal 60-meter privileges announced for radio amateurs in that country just days after the conclusion of World Radiocommunication […] Read more
“The DXer and the Technician” – 22 minutes (UHD 4K resolution) – English version This true story is about two amateur radio operators who have been friends for over 35 years. One of them, the DXer, his wife became seriously ill. They had to sell the house, the cottage, all the ham radio gears, and […] Read more
Morse Runner is a Windows-based contest simulator developed by Alex Shovkoplyas, VE3NEA. Using Wineskin, it has been successfully and seamlessly run under OSX, and made available by Detrick Merz, KI4STU for download. Sure, you could use Wineskin to do this yourself, or you can pull the ready-made dmg from here. After downloading, open the file. Drag […] Read more
United Nations Headquarters Amateur Radio club station 4U1UN representatives are still in talks with the UN Department of Public Information with an eye toward permanently reactivating the station. Although within the geographical confines of New York City, 4U1UN qualifies as a separate DXCC entity. “Hopefully we’ll have an opportunity to plead our case to the […] Read more
by Ray Novak Here’s the list of key topics covered during the session: D-STAR 101 Setting Up, Programming, and Updating D-STAR Radios New Features of the ID-51 Plus 2 Kenwood TH-D74A D-STAR Radio D-STAR Devices Icom G3 Gateway Software Question and Answer Session They start with the basics of D-STAR and work their way into […] Read more
International Space Station (ISS) Expedition 50 Commander Shane Kimbrough, KE5HOD, will take one more spacewalk on March 30 before he heads back to Earth in a Soyuz MS-02 vehicle on April 10, joined by crewmates Sergey Ryzhikov and Andrey Borisenko. The spacewalks are aimed at preparing the station for the future arrival of US commercial […] Read more
ARRL is accepting applications for summer 2017 Teachers Institute on Wireless Technology sessions until May 1. This summer’s sessions will be held in Dayton, Ohio — hosted by the Dayton Amateur Radio Association (DARA) — and at ARRL Headquarters in Newington, Connecticut. (DARA also helps to sustain the program as a generous contributor.”) Past participants […] Read more
Introduction: Acquired in 2014 by Alpha Antenna, the S9 Antennas have been completely improved and resigned. Years of perfecting the manufacturing process, length, and color has enabled Alpha Antenna to offer a spun fiberglass antenna mast that is so resilient & stealthy that it can be used as a 6-160 meter base antenna even in […] Read more