Category: RHG Articles

Articles from the RHG

Shannon’s Theorems: From Data Compression to Reliable Ham Radio

September 24, 2026
Here is a useful learning idea for Schaumburg Amateur Radio Club (SARC) members: explore how a message survives a noisy radio path. Claude Shannon’s information theory connects familiar questions about weak signals, digital modes, compressed files, and mobile phones. Start with the practical ideas, then follow the math as far as your curiosity takes you. … Continue reading "Shannon’s Theorems: From Data Compression to Reliable Ham Radio"

September Ham Radio Station Guidance

September 22, 2026
Monthly focus: shift the station toward stronger fall HF operation, prepare 40 and 80 meters for longer evenings, verify DC-power reliability before colder weather, and establish a clean SWR baseline after summer heat and thunderstorms. September 2026 opens with unusually quiet space-weather conditions. NOAA’s September 1, 2026 three-day forecast expects Kp to remain at or below 2 through … Continue reading "September Ham Radio Station Guidance"

The History of Mathematics: From Early Counting to Modern Research

September 20, 2026
Here is a learning idea for Schaumburg Amateur Radio Club (SARC), N9RJV: explore the history behind the mathematics we use to understand radio. You do not need advanced math to begin. Start with counting, follow the development of patterns and proof, and discover how ideas from many cultures connect to waves, calculations, and communication.   … Continue reading "The History of Mathematics: From Early Counting to Modern Research"

SARC’s Role in Septemberfest 2026

September 20, 2026
Behind the Celebration Above the Septemberfest crowd, a large screen carried a message worth celebrating: “Amateur ‘Ham’ Radio Serving the Community!” Beside the Schaumburg Amateur Radio Club’s logo were four simple commitments: communicating, learning, giving back, and having fun. The photograph from Schaumburg’s 2026 Septemberfest captures that message above a Schaumburg Park District trailer, with … Continue reading "SARC’s Role in Septemberfest 2026"

Mercury vs. VARA HF

September 18, 2026
Pros, Cons, and Practical Choices for SARC Here is a useful operating idea for Schaumburg Amateur Radio Club members: explore two ways to send messages and files over HF radio. Mercury and VARA HF offer an opportunity to learn about digital communications, compare station setups, and help newer hams make their first data connection. The … Continue reading "Mercury vs. VARA HF"