📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleSQ3SWG Sked Chat is a live web-based platform for radio amateurs to coordinate scheduled contacts (skeds) on VHF, UHF, and microwave bands. – Listed in Internet and Radio/Chat

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleOnline Morse Code Translator converts text to CW and vice-versa, adhering to ITU-R M.1677-1. Features real-time audio playback, adjustable WPM, Farnsworth… – Listed in Software/Morse Code Decoders

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleFOTA (Fair on the Air) is an award program connecting amateur radio with community events, festivals, and fairs. It facilitates station activations… – Listed in DX Resources/Ham Radio Awards

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleAn online calculator for Effective Isotropic Radiated Power (EIRP) and Effective Radiated Power (ERP), converting between dBm, watts, and milliwatts. It… – Listed in Antennas/Antenna Calculators

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleQuickSmith is a free online Smith chart web tool for impedance matching, RF circuit analysis, and antenna optimization. It features dynamic component… – Listed in Software/Antenna analysis

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleThis week, we’re looking at a few antenna projects that might spark some interest for those running VHF/UHF. There’s a good bit on J-poles, specifically for 2 meters and dual-band operation, using everything from twin lead to copper pipe. We also have a solid 5/8-wavelength vertical build for 2 meters that avoids loading coils, which is always a plus for efficiency. Beyond the hardware,…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleThis week, we’ve gathered some interesting material for those of you exploring beyond the usual HF fare. There’s a good piece on current satellite operations, covering both LEO and GEO birds, which is always something worth revisiting as the constellations evolve. For the portable ops crowd, we’ve got a practical guide to POTA antennas, focusing on field-friendly designs. And if you’re looking to get…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleThis week, we’ve pulled together a few items that touch on practical antenna work and some digital modes. There’s a good look at a multi-band portable dipole, something that comes up often for field day or SOTA ops, detailing a switching arrangement for 40 through 15 meters. We also have a piece on building and testing 50 MHz traps, comparing different capacitor types—useful for…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleThis week, we’ve pulled together a few items that touch on some persistent challenges and evolving technologies in the shack. There’s a practical look at mitigating common-mode issues, something that comes up often when dealing with feed lines and antenna installations, especially for those running higher power or operating portable. We also have a couple of pieces exploring the expanding role of Software Defined…

📌 INFORMATIVA COPYRIGHT — I diritti appartengono al legittimo proprietario. Fonte: dxzone.com — 🔗 Leggi l’articolo originaleThis week, we’re looking at a few interesting builds, from compact multiband solutions to specific band optimizations. There’s a solid 50-watt amplifier project for the HF bands, something that comes up often for those needing a bit more punch without breaking the bank. We also have a couple of vertical antenna designs, one covering multiple bands and another specifically for 20 meters, which is…