Uniden 980SSB RF Gain question.

Discussion in 'CB Radio Forum' started by mrcllusb, Jan 28, 2019.

  1. mrcllusb

    mrcllusb Bobtail Member

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    Well I found the source of the electrical noise in my radio. It's my power inverter under the bunk. Soon as I turned it off noise level went to almost zero on the display. Turned it back on noise went up to 5/6. Guess I'll just turn my inverter off while I'm driving and back on when I'm done for the day.
     
  2. Ridgeline

    Ridgeline Road Train Member

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    Michigan
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    Start by grounding the inverter case. See if that helps.
     
    mrcllusb and Slowmover1 Thank this.
  3. mrcllusb

    mrcllusb Bobtail Member

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    Since its a company truck, I'll see what I can come up with.
     
  4. mrcllusb

    mrcllusb Bobtail Member

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    Just checked it and there is a separate chassis ground wire that goes thru a grommet to under the truck so I'll see if I can trace where it goes tommorrow. Also grabbing a 6' Francis tomorrow.
     
  5. Ridgeline

    Ridgeline Road Train Member

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    Michigan
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    Body ground, anything to get rid of the harmonics from the inverter, right now the signal is traveling all over the place - called ultrasonics - and it is transmitted throughout a large range of frequencies.
     
  6. mrcllusb

    mrcllusb Bobtail Member

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    The ground wire goes from the inverter case to the truck body underneath. Screws down on both ends.
     
  7. mrcllusb

    mrcllusb Bobtail Member

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    Got the 5.5 ft Francis installed. Better antenna than the firestik.
     
  8. mrcllusb

    mrcllusb Bobtail Member

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    I have to say, now that I've been using this 5'5" Francis, I'm never going back to a firestik! Much better receive and transmit right out of the package. I'm thinking of changing to a mag mount Francis on my Chevy pickup!
     
  9. Slowmover1

    Slowmover1 Road Train Member

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    Oct 25, 2015
    Fort Worth
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