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  1. K

    Magnetic Antenna Question

    The RF ground is established passively through magnetic coupling rather than an electrical connection. Electrically grounding an antenna provides a solid, low-resistance connection to the earth, which can help reduce noise, improve signal reception, and enhance the antenna's efficiency for both...
  2. K

    Magnetic Antenna Question

    I wrapped tinned copper braid around the the ground of the coax and bolted to the lift bolt on my tailgate. Top picture is my SWR reading .There are no holes put into my roof and there are also no paint scratched off on my roof for ground.
  3. K

    Magnetic Antenna Question

    I am also using a mag mount and I bonded the coaxial ground to the car body for the ground plane. The RF ground is a must. Then I put a common mode choke about a 8 inches from my antenna. My coaxial is a lmr 240. The quality of antenna and coaxial has a lot of to do with your performance and...