Single sideband (SSB) is the most common voice mode for analog communications over HF radio. Its widespread adoption is due in part to its spectral efficiency, with a typical SSB signal occupying ~3 kHz of bandwidth. This efficiency, however, comes with a tradeoff: because only part of the frequency range of human speech is transmitted, … Read More
We had a great time at Hamvention 2026, catching up with folks from the community and meeting many new faces along the way. Throughout the weekend, we welcomed a steady stream of visitors to the ARDC booth to learn more about our programs and initiatives, and of course to check out the VT-102! Our Friday … Read More
As ARDC’s grants program continues to evolve, understanding the outcomes of funded projects remains an important part of our work. The Grants Evaluation Team (GET), now in its third year, helps support this effort by reviewing completed projects and evaluating how well grantees achieved their stated goals. We’re pleased to share highlights from their latest … Read More
We’re excited to be heading back to Hamvention this year! You’ll find us at Booth #1302 / #1402 in Building 1 (Maxim), where you can learn more about our grants program and priority areas for funding, as well as explore what’s possible with 44Net. We’ll also be hosting a forum on Friday (5/15) from 3:30 … Read More
Below is a guest contribution from Phil Kern VK5PK, a 44Net user. If you’re a 44Net user and are interested in submitting a guest contribution, please reach out to comms@ardc.net. Summary Australian clubs and KernWi‑Fi, a local ISP, partnered to engineer a carrier‑grade IP fabric for Yaesu Internet-linked Multi-site Repeater System (IMRS) (DR‑2X) linking— using … Read More
