by Jeremy N2UGS | Jan 14, 2026 | Weekly Net
Tonight’s BARRA Tech Net dives into one of the most powerful and affordable tools available to today’s radio hobbyist: RTL-SDR and SDRTrunk. Whether you are new to software-defined radio or already experimenting with digital systems, this session will show how a... by Jeremy N2UGS | Dec 3, 2025 | Weekly Net
Tonight’s BARRA Tech Net focuses on Software Defined Radio (SDR) dongles, one of the most affordable and versatile tools in modern radio. An SDR dongle, such as the popular RTL-SDR based on the RTL2832U chipset, turns any computer into a wide-band radio receiver... by Jeremy N2UGS | Nov 12, 2025 | Weekly Net
HamClock is a versatile, interactive clock and information display designed for amateur radio operators. It can run on devices like the Raspberry Pi, desktop computers, or even ESP32-based displays. HamClock provides real-time UTC and local time, DX cluster spots,... by Jeremy N2UGS | Oct 29, 2025 | Weekly Net
ADS-B, or Automatic Dependent Surveillance–Broadcast, is a system used by aircraft to transmit their position, altitude, speed, and other flight data. With a simple receiving setup, amateur radio operators and aviation enthusiasts can collect this data and share it to... by Jeremy N2UGS | Oct 22, 2025 | Weekly Net
Many amateur radio operators integrate personal weather stations with APRS and CWOP—the Citizen Weather Observer Program—to share live weather data over RF and the internet. APRS weather reports are transmitted via packet radio to local iGates, which forward the data...