📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: it.emcelettronica.com — 🔗 Leggi l’articolo originale Le prestazioni RF di un amplificatore a basso rumore (LNA – Low Noise Amplifier) dipendono essenzialmente dalla frequenza, polarizzazione e dissipazione di potenza, stabilità, adattamento dell’impedenza d’ingresso e di uscita, piani di massa del PCB, schermatura elettromagnetica, disaccoppiamento dell’alimentazione, temperatura. In questo articolo del Corso di Elettronica Applicata descriveremo il progetto di un LNA che può essere utilizzato come amplificatore d’antenna a 144…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: amsat.org — 🔗 Leggi l’articolo originale June 14, 2026 In this edition: Last Call – Candidate Nominations for 2026 AMSAT Board of Directors Election Due June 15, 2026 2026 AMSAT Field Day – Update CardSat: A Pocket Satellite Tracker and Doppler Controller NASA Honors AMSAT-DL for Contribution to Artemis II Mission Changes to AMSAT TLE Distribution Ambassador Events ARISS News Satellite Shorts from All Over The AMSAT(R) News Service…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: daily.hamweekly.com — 🔗 Leggi l’articolo originale On July 5th, Grimeton Radio Station in Sweden will celebrate Alexander Day. The unique Alexanderson alternator from 1924, with the call sign SAQ, is scheduled for two transmissions over the antenna on VLF 17.2 kHz CW. Callsign SAQ will be on the air on VLF 17.2 kHz CW on July 5, 2026. First Transmission 10:25 CEST (08:25 UTC) introduction 10:30 CEST (08:30 UTC)…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: onallbands.com — 🔗 Leggi l’articolo originale Also, check out a video featuring the new COMPACtenna 40-60-80 antenna. *** Have you received the 2026 edition of the DX Engineering Amateur Radio Products Catalog? If so, we hope you’ve enjoyed browsing through its 140 pages packed with everything you could possibly want to upgrade your stations. (Image/DX Engineering) Inside you’ll find the hottest amateur radio gear on the planet, including the…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: onallbands.com — 🔗 Leggi l’articolo originale Artificial intelligence is on the brink of changing amateur radio. It will simultaneously make the hobby easier, smarter, more accessible—and perhaps more controversial. Hams have always embraced technology, from spark-gap transmitters to software-defined radios, but AI introduces a different kind of change. Instead of just improving equipment, AI can assist with thinking, analyzing, predicting, translating, decoding, and even operating. That creates both excitement…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: daily.hamweekly.com — 🔗 Leggi l’articolo originale By Michael Kalter (W8CI) Xenia, Ohio Hamvention 2026 drew a world of kindred spirits to the Greene County Fairgrounds — and reminded us that radio waves have always been humanity’s most quietly miraculous language. At a Glance Attendees: 37,924 Countries represented: 43+ Volunteers: 600+ It is finished — and already missed. The 74th annual Dayton Hamvention, held at the Greene County Fair and…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: onallbands.com — 🔗 Leggi l’articolo originale Nearly 38,000 hams representing more than 40 countries and every U.S. state took the trip to slightly chilly, sometimes rainy, and occasionally sun-drenched southern Ohio for Dayton Hamvention® 2026, a gathering worthy of a Cecil B. DeMille epic (so let it be transmitted, so let it be done). The total of 37,924 visitors set a new attendance record. Watch the video of Hamvention…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: amsat.org — 🔗 Leggi l’articolo originale AMSAT News Service ANS-158June 7, 2026 In this edition: Deadline for Candidate Nominations for 2026 AMSAT Board of Directors Election is June 15 HADES-SA / SpinnyOne Designated Spain-OSCAR 127 (SO-127) AMSAT Submits Letter of Intent for NASA SLS CubeSat Opportunity on Artemis III, IV, and V OscarWatch Tracker: A New Satellite Tracking Program from MM9SQL Changes to AMSAT TLE Distribution for June 5,…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: onallbands.com — 🔗 Leggi l’articolo originale There is so much talk in our hobby about making that rare DX or a faraway contact using resonant beams and vertical antennas. While that’s great—and I think most of us find these contacts exhilarating—there are so may rabbit holes in this hobby beyond DXing. As I often say about amateur radio, if you can’t find your area of interest, you better check…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: onallbands.com — 🔗 Leggi l’articolo originale Antennas may look simple—just a piece of metal in the air—but they are surprisingly sensitive to their surroundings. Nearby metal objects and trees can dramatically affect how an antenna performs, sometimes improving it, sometimes hurting it, and occasionally turning a perfectly good antenna into an expensive yard ornament. Radio waves don’t exist in isolation. Every antenna interacts with its environment. Houses, gutters, vehicles,…