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  1. J

    Veriable capacitor for DDRR 11 METER ANTENNA

    Im looking into building an 11 meter ddrr antenna for my mobile. I curently have a 102 inch whip that works great for local transmissions. The ddrr loks like a simple and cheap build. However, I have had someone suggest a vacume veriable capacitor for tuning the antenna. Is this necessary? I...
  2. J

    Help with ground plane for 102 inch whip

    Thoughts breing here. I came across 2 102 inch whips adjustable ball and spring mounts. Plan on putting one if not both on the roof of my house. Wich would be the best set up? Use both in a dipole configuration? Or use one and make some sort of ground plane for it? Could the tv antenna be used...
  3. J

    Antenna help please!

    I have a couple questions about some homebrew antenna set ups. Lets start with a scanner set up. I've got an old radio shack scanner that the telescopic built in antenna busted on. it has a jack on the back for a portable type antenna. I have removed that jack and installed a female pl-259. My...
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