W5SJM

Category: DIY

  • New Roll-Up J-Pole

    So, now that I have a VNA, and I could see just how terribly my original version of this antenna was, I decided it was time to make a new one. I started following these directions from WD4R, aiming for resonance around 146MHz, right in the middle of the 2m band. However, once the antenna…

  • 3-Beam Yagi Tape Measure Antenna

    3-Beam Yagi Tape Measure Antenna

    Here are my notes on creating a 3-beam Yagi antenna for 2m out of a tape measure and some PVC pipe.

  • Slim-Jim 2m Antenna

    Slim-Jim 2m Antenna

    Here are my notes on creating a “Slim-Jim” 2m modified J-pole antenna out of TV antenna line.