Category Archives: Radioamatori

The ARRL is making all the final plans and preparations to bring its “show and tell” exposition — known as ARRL EXPO — to the Dayton Hamvention® next month. Hamvention, sponsored by Dayton Amateur Radio Association (DARA) since 1952, will … Continue reading →

Periodically, ARRL Divisions will host a “webinar” — an interactive Web-based seminar, designed to facilitate communication between a small number of presenters and a large remote audience using the Internet — for interested amateurs. On Wednesday, April 27 at 9 … Continue reading →

W4NXC Assistant Coordinator Julio Ripoll, WD4R was awarded the Distinguished Service Award at the National Hurricane Conference — held April 18-22 in Atlanta, Georgia — for “exceptional service in providing emergency communication during hurricane events over three decades while leading … Continue reading →

Beginning Tuesday, September 6, the Space Weather Prediction Center (SWPC) will cease broadcasting its geophysical alert message on WWV and WWVH. These messages inform listeners of the solar flux, the mid-latitude A and K indices and space weather storms, both … Continue reading →

By Sterling Coffey, N0SSCARRL Youth Editor Hams have always been at the forefront of wireless technology since the dawn of radio in the late 1800s. Long ago, we were granted an impressively diverse and expansive hobby that allowed the technologically … Continue reading →

Both the average daily sunspot numbers and solar flux were both higher for the week: Sunspot numbers up more than 3 points to 93.1 and the solar flux up by 8 points to 117.2. Geomagnetic activity was a bit lower … Continue reading →

By Stan Horzepa, WA1LOUContributing Editor This week, Surfin’ looks to Woz’s old stomping grounds for ham radio applications. Let me be up-front about something: I am a Mac guy. Always have been. I bought a Mac when they first came … Continue reading →

Modern transceivers incorporate many features that not long ago were considered accessories: CW keyers and SWR meters come to mind. John Curtis, K6KU, created an electronic iambic-keyer circuit and subsequently offered an IC chip to do the job. He revolutionized … Continue reading →

The California Supreme Court refused to hear the antenna zoning case brought forth by Alex Zubarau, WB6X, of Palmdale, California — with the assistance of his ARRL Volunteer Counsel Len Shaffer, WA6QHD — after receiving a mixed decision by the … Continue reading →

First introduced in 2008, the ARRL’s Field Day Station Locator Service has proved a popular addition to the Field Day toolbox. This service — an interactive map that helps amateurs or those interested in Amateur Radio find a Field Day … Continue reading →

The Project Blue Horizon 5 high-altitude transatlantic balloon flight originally scheduled for Friday, April 22, has been postponed to April 27 – 29. The Project Blue Horizon team is attempting to break current Amateur Radio high-altitude balloon records for distance … Continue reading →

Dopo circa un paio di settimane di prove di vario genere, eccomi qui a confermare  che il nuovo RTX (ricetrasmettitore, per i non addetti ai lavori) cinese da me acquistato funziona davvero bene, oltre ogni rosea aspettativa. Si tratta dell’apparato … Continue reading →