Rolla Regional Amateur Radio Society

This page presents technical notes and links relative to the Amateur Radio Service.

  • Tape-Measure Beam antenna build project.

  • Presentation video by Peter, WB9KHR, on coaxial connector installation on a variety of cable types. The video is about 40 minutes long, and you may watch it streaming here (a separate media player window should open), or you may download it from the technical files area (right-click on the file "coax_movie.wmv" and "save link as..." to your computer).

  • Presentation on Switching Power Supplies, by Joe Counsil, KØOG, 7 August 2000

  • Information about battery backup system on RRARS repeater WØGS, 146.790 MHz, 2 September 2001

  • Listing of technical files. If you have files related to amateur radio which you would like see posted here, please contact us at

    NOTE: Many of these files are VERY large and will take a long time to load. Also, most of these files are in Portable Document Format (PDF), and require Adobe Acrobat Reader to open. You may download a free version of Acrobat Reader from Adobe.

Web master contact: