RHG Articles Archives - Page 2 of 47

Building a Flexible SDR Ettus USRP B206

July 30, 2026

SDR Radio with the Ettus USRP B206 mini-i Compact Power for Wireless Innovation Here is a useful experimentation idea for SARC members: build a flexible software-defined radio bench around the Ettus USRP B206mini-i. Instead of buying a radio designed around one mode, this compact platform lets software define much of the receiver, transmitter, measurement, and … Continue reading

ESP32 Lightning Detector and Home Assistant

July 29, 2026

Taking the ESP32 Lightning Detector to the Next Level Adding Home Assistant and Alexa announcements Here is a useful next step for SARC builders. The ESP32 and AS3935 lightning detector can already monitor nearby lightning activity, sound a buzzer, and show information on its local display. The updated project adds a brief Wi-Fi connection, MQTT … Continue reading

Zenith & Amateur Radio History

July 23, 2026

Zenith, Mount Prospect, and Bill Shillington, W9ZCL Here is a local radio story worth exploring. Zenith began with two Chicago wireless enthusiasts and an amateur call sign. A few years later, its WJAZ broadcast station placed two landmark towers in Mount Prospect. Decades after that, Mount Prospect amateur operator Bill Shillington, W9ZCL, showed how radio … Continue reading

When the Midwest Shakes New Madrid Earthquake

July 20, 2026

Earthquake Response and Amateur Radio Prepared for the Schaumburg Amateur Radio Club (SARC), N9RJV by Pau Meyers KE9EJX Updated July 20, 2026 Before We Begin This article is about preparedness, not a prediction. In an actual emergency, use 911 for an immediate threat to life or property, follow official alerts, and stay clear of damaged … Continue reading

Field Day 2026 Results N9RJV

July 15, 2026

N9RJV posts a preliminary 7,153-point score SARC logged 1,675 contacts with 75 participants in class 2A, combining strong operating results with public-service, emergency-readiness, education, and outreach bonuses. Preliminary result · Final ARRL standing pending 7,153 Preliminary total score 1,675 Total contacts 75 Participants 1,655 Bonus points SARC’s 2026 operation produced 2,749 QSO points. The 2X … Continue reading

On the Air. Hands On. Ready to Serve.

Category: RHG Articles

Building a Flexible SDR Ettus USRP B206

ESP32 Lightning Detector and Home Assistant

Zenith & Amateur Radio History

When the Midwest Shakes New Madrid Earthquake

Field Day 2026 Results N9RJV