Truckers Report Jobs

Find Trucking Jobs

Company Driver Company Driver Dry Van Dry Van Flatbed Flatbed Refrigerated Refrigerated Specialized Specialized Owner Operator Owner Operator
More Trucking Job Searches ⌄ Fewer Trucking Job Searches
⌃

High SWR

Discussion in 'CB Radio Forum' started by Airchuck, Apr 15, 2013.

Page 1 of 2
  1. Apr 15, 2013 #1
    Airchuck

    Airchuck Bobtail Member

    13
    0
    Jan 4, 2013
    0
    I am having trouble with my cb radio having a high swr reading. it is reading over 3 on channel 1 and under 1.5 on channel 40. I really have no idea as to what it could possibly be. However I changed the coax cable gave the antenna mount a ground and a different antenna and nothing changed. The only thing I havent changed is the mount and stud for the antenna. Could this possibly be causing the high swr? Ive been told that having an untuned antenna wont cause the swr reading to be extremly high so I am thinking its maybe the stud or mount but I just dont know. Can anyone help.
     
    Airchuck, Apr 15, 2013
    Airchuck, Apr 15, 2013
    #1
  2. Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  3. Apr 15, 2013 #2
    vintech

    vintech Light Load Member

    89
    62
    May 30, 2010
    0
    Not sure what you mean by untuned? but if the antenna is able to be tuned I would think from you have described that is most likely what needs to be done.. If it is tuneable you would want to make the adjustable tip longer..
     
    vintech, Apr 15, 2013
    vintech, Apr 15, 2013
    #2
  4. Apr 15, 2013 #3
    Airchuck

    Airchuck Bobtail Member

    13
    0
    Jan 4, 2013
    0
    What I meant by untuned is that I just took the antenna out of the package and stuck it on
     
    Airchuck, Apr 15, 2013
    Airchuck, Apr 15, 2013
    #3
  5. Apr 15, 2013 #4
    cadillacdude1975

    cadillacdude1975 Road Train Member

    1,081
    394
    Mar 20, 2010
    Chattanooga, TN
    0
    and your trying to figure out why the SWRs are high?
     
    cadillacdude1975, Apr 15, 2013
    cadillacdude1975, Apr 15, 2013
    #4
  7. Apr 15, 2013 #5
    Airchuck

    Airchuck Bobtail Member

    13
    0
    Jan 4, 2013
    0
    Well I tuned the antenna with a Swr meter and can't get them to hardly change so the antenna's not the problem... however I did notice that when the trucks off the swrs are lower but when the trucks on it reads higher swrs and the antenna light on the radio comes on when keyed up
     
    Airchuck, Apr 15, 2013
    Airchuck, Apr 15, 2013
    #5
  8. Apr 15, 2013 #6
    kor b

    kor b Light Load Member

    254
    103
    Dec 16, 2008
    0
    You don't tune the antenna with a meter. You tune it
    by changing the lenght.
     
    kor b, Apr 15, 2013
    kor b, Apr 15, 2013
    #6
  9. Apr 15, 2013 #7
    Airchuck

    Airchuck Bobtail Member

    13
    0
    Jan 4, 2013
    0
    I used a meter to help me tune it...I have a tuneable tip
     
    Airchuck, Apr 15, 2013
    Airchuck, Apr 15, 2013
    #7
  10. Apr 15, 2013 #8
    Saddletramp1200

    Saddletramp1200 Road Train Member

    2,111
    2,836
    Sep 4, 2011
    Houston Texas,USA
    0
    Your radio its self may not be grounded well enough.
     
    Saddletramp1200, Apr 15, 2013
    Saddletramp1200, Apr 15, 2013
    #8
  11. Apr 15, 2013 #9
    Airchuck

    Airchuck Bobtail Member

    13
    0
    Jan 4, 2013
    0
    Is there a way to possibly check that
     
    Airchuck, Apr 15, 2013
    Airchuck, Apr 15, 2013
    #9
  12. Apr 16, 2013 #10
    mike5511

    mike5511 Road Train Member

    3,156
    1,546
    May 15, 2011
    NW Arkansas
    0
    What kind of vehicle are you having this problem with?
     
    mike5511, Apr 16, 2013
    mike5511, Apr 16, 2013
    #10
  • Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

    • Page 1 of 2