Positive Contact

1-Watt Revolution

  • Main
  • Personal Intro
  • Safety Tips
  • Primer Intro
  • Legal
  • Parts/Credit/Pages
  • Soldering
  • Antenna designs
  • Amp Designs
  • Misc. Designs
    • 2-10 Watt D. Load
    • 20 Watt D. Load
    • Low Pass Filter
    • 9 Element Filter
  • FCC and Radio
  • Frequency Calculator

  • Main > 
  • Misc. Designs > 
  • 9 Element Filter > 
Picture 6