Amateur Radio made in Italy
Amateur Radio Blog Posts. Ham radio events, operations and local news
Introduction: There are many excellent publications which describe how to construct one’s own weather satellite receiving station, and with the different choices of receiver, antenna, computer and software, there are many ways in which it can be assembled. As a guide to an aspiring builder, the following notes describe how we put together our particular…
By Ken Larson, KJ6RZ Long distance HF radio communications is made possible by a region of charged particles in the Earth’s upper atmosphere, 30 to 200 miles above the Earth’s surface. This region is called the ionosphere.
The article titled “Is this Ewe for You?” by Floyd Koontz, WA2WVL, published on QST February 1995 presents a simple yet effective receiving antenna design tailored for 80 and 160-meter DXing. As solar activity decreases, making MF and HF signals weaker and ambient noise stronger, serious DX operators seek improved signal-to-noise ratios through directive receive…
The official WSJT-X site is down from several days. The Website is hosted at Princeton Univeristy and it looks like it is under maintenance or relocating. At time writing the only way to download the WSJT-X program is to access the SourceForge website where the files are maintained by the developing team. Click here to…
Article by m0ysu Microphone wiring can be a real pain if you aren’t sure how to work out which wire goes where. On this page I will try to explain the basics and also give you the wiring positions for most CB radio’s Basic Mics – These consist normally of three coloured wires and a…
Recently my apartment building decided to change the TV antenna system because of the latest upgrade of TV broadcasting to the DVB-T2 (Digital Video Broadcasting – Second Generation Terrestrial) standard. My 10-year-old samsung LCD TV stopped receiving signals during last summer. Surprisingly, my TV was known to support the new digital broadcast signal, and also…
Quadruple Quad by Richard Price BSc. MSc. GW0VMW A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth. This is important as operating from a hilltop on a relatively under used band requires as broad a catchment…
Homebrew antenna wire launcher
A new wire antenna on my roof for the 40 meters band, and on the field comparison with the GAP Titan DX.
Planning to setup a double bazooka antenna for 7 MHz during next months to verify performance of the Gap Titan DX on that band. I feel like the GAP is not so well performing on that band and I’m goint to setup for the CW portion of the 40 meters. This is the basic schema…