Content in the TECHNICAL category

Content (e.g. blog posts, information pages, and files/links) about the activities of the RRRA Technical Committee and the equipment/systems they maintain, along with technical topics of general interest.

Chasing Satellites

Ever wonder about amateur radio in space? Learn all about it here with this great presentation by Doug Tabor - N6UA explaining all about chasing satellites at the 2018 Winter Hamfest hosted by Northern Colorado Amateur Radio Club. 1

Introduction to Digital Signal Processing

Digital Signal Processing is central to the software-defined radios (SDR) and digital modes which are an increasingly important part of Amateur Radio.

Radio operators interested in beginning to learn about the mathematical underpinnings of the digital side of their hobby are encouraged to take advantage of the Introduction to Digital Signal Processing maintained by Tom O’Haver, Professor Emeritus, Department of Chemistry and Biochemistry University of Maryland at College Park, as a retirement project and an international community service.

Portable Mesh Node With VOIP and Wifi

Purchasing an AREDN compatible radio and antenna is only the first step in assembling a useful, deployable, personal node.

Additional parts and equipment to support planned network capabilities—including provisions for portable power—must be purchased and then packaged in a manner which allows for safe and reliable operation.

Trevor Paskett (K7FPV), a member of the AREDN project, has designed a a portable mesh node to support his local mesh network’s mission while meeting served agency policy restrictions which prohibit permanent installation of equipment in their buildings.