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Static noise

Discussion in 'CB Radio Forum' started by Harley, Jun 30, 2008.

  1. Jun 30, 2008 #1
    Harley

    Harley Light Load Member

    291
    32
    Jan 13, 2008
    Missouri
    0
    I have a Cobra 29 classic thats been peek'd and tuned well.

    I get alot of static when the truck is upshifting and down shifting.

    What causes this and what can be done about it?
     
    Harley, Jun 30, 2008
    Harley, Jun 30, 2008
    #1
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  3. Jun 30, 2008 #2
    Truckerjo

    Truckerjo Road Train Member

    2,314
    341
    Sep 5, 2006
    Indiana
    0
    Better ground... Try hooking your radio to a different power source..
     
    Truckerjo, Jun 30, 2008
    Truckerjo, Jun 30, 2008
    #2
  4. Jul 1, 2008 #3
    I80RoadWarrior

    I80RoadWarrior Bobtail Member

    11
    0
    Jun 8, 2008
    Denver, CO.
    0
    That or what I've done and works great is a 20 amp noise filter. Cheapest place I've seen them is Auto Zone.
     
    I80RoadWarrior, Jul 1, 2008
    I80RoadWarrior, Jul 1, 2008
    #3
  5. Jul 1, 2008 #4
    Harley

    Harley Light Load Member

    291
    32
    Jan 13, 2008
    Missouri
    0
    Thanks guys. I try your ideas and see how it works out.

    Thanks again.
     
    Harley, Jul 1, 2008
    Harley, Jul 1, 2008
    #4
  7. Jul 2, 2008 #5
    Area904

    Area904 Light Load Member

    93
    9
    Jun 6, 2008
    Jacksonville, Fl
    0
    Computer controlled shifting (autoshift)? You may be picking up radiated RF from the computer, relays, or associated wiring. Make sure all bonding (grounding) wires are in place between computer, transmission, frame, engine, etc., and all RF shields are in place. Make sure your radio and antenna mounts are properly bonded (grounded).

    RF noise is one of the hardest problems there is to locate and fix properly.
     
    Area904, Jul 2, 2008
    Area904, Jul 2, 2008
    #5
  8. Jul 2, 2008 #6
    I80RoadWarrior

    I80RoadWarrior Bobtail Member

    11
    0
    Jun 8, 2008
    Denver, CO.
    0
    Another serious irritant that can't be cured, along with the above, is the brushless alternator used by many 2007 model engines. No matter what you do to ground radio and antenna out, noise level stays at 50% of meter. Good luck.
     
    I80RoadWarrior, Jul 2, 2008
    I80RoadWarrior, Jul 2, 2008
    #6
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