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  • #46
    Originally posted by nero279
    i would guess the most likely cause is the groundplane. Is the SWR constant across the whole range? or does it get better at one end or the other?
    It's within a needles width on either end of the scale, and makes little difference when I adjust the length of the twig.
    Rob

    Still working for the man!

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    • #47
      Originally posted by plumb bob
      It's within a needles width on either end of the scale, and makes little difference when I adjust the length of the twig.
      Bob i may be wrong here but should you be using a twig.I thought you could get ariels for cbs
      https://www.facebook.com/groups/henpals/

      Comment


      • #48
        Originally posted by stormforce
        Bob i may be wrong here but should you be using a twig.I thought you could get ariels for cbs


        Oh dear........
        Attached Files

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        • #49
          Originally posted by BUSHWHACKER
          Oh dear........
          YEAH i got another one..Thanks Vince
          https://www.facebook.com/groups/henpals/

          Comment


          • #50
            Originally posted by stormforce
            Bob i may be wrong here but should you be using a twig.I thought you could get ariels for cbs

            Hehehe, yeah I wondered why that stick cost all that money, must be special wood?....

            seriously though, the web site suggested using a metal coat hanger ( unwound) and use this to trim to the correct lenght, and then once SWR is ok trim the antenna to that length.

            Now maybe I'm missing the point, but;

            1( if a coat hanger works, why did I buy an antenna?

            2) anybody got a 5' coat hanger I can borrow?

            Oh, and if it is a ground plane problem, how can I confirm that?
            Rob

            Still working for the man!

            Comment


            • #51
              Originally posted by plumb bob
              Hehehe, yeah I wondered why that stick cost all that money, must be special wood?....

              seriously though, the web site suggested using a metal coat hanger ( unwound) and use this to trim to the correct lenght, and then once SWR is ok trim the antenna to that length.

              Now maybe I'm missing the point, but;

              1( if a coat hanger works, why did I buy an antenna?

              2) anybody got a 5' coat hanger I can borrow?
              when i had a homebase rig many years back i had a 5/8 wave silver rod which is 18ft lond and i had that perched on top of 2 scaffold poles joined together which put it up to nearly 30ft from floor to tip and that was a nightmare to swr in
              https://www.facebook.com/groups/henpals/

              Comment


              • #52
                Originally posted by stormforce
                when i had a homebase rig many years back i had a 5/8 wave silver rod which is 18ft lond and i had that perched on top of 2 scaffold poles joined together which put it up to nearly 30ft from floor to tip and that was a nightmare to swr in

                I was under the impression that a mag mount ( which is what I have) should get a good ground plane from the car body, even though this one comes with a rubber boot to protect paintwork, it should be idiot proof.

                I have even tried SWRing it in on different frequencie, ie UK, and euro channels.
                Rob

                Still working for the man!

                Comment


                • #53
                  Originally posted by stormforce
                  when i had a homebase rig many years back i had a 5/8 wave silver rod which is 18ft lond and i had that perched on top of 2 scaffold poles joined together which put it up to nearly 30ft from floor to tip and that was a nightmare to swr in

                  Homebase sell CBs now??

                  Comment


                  • #54
                    Originally posted by plumb bob
                    I was under the impression that a mag mount ( which is what I have) should get a good ground plane from the car body, even though this one comes with a rubber boot to protect paintwork, it should be idiot proof.

                    I have even tried SWRing it in on different frequencie, ie UK, and euro channels.
                    try using a bit of plastic bag under it instead of the rubber to stop it scratching the paintwork as that may help with the swr
                    https://www.facebook.com/groups/henpals/

                    Comment


                    • #55
                      Originally posted by stormforce
                      try using a bit of plastic bag under it instead of the rubber to stop it scratching the paintwork as that may help with the swr

                      I took it off, just to see if it was the problem, made no difference.

                      I can't remember having any problems with mobile antennae before, they'd SWR up in about 5 mins, I even checked the instructions to make sure I was using the meter right, but making the antenna shorter or longer on the adjuster made no difference to the SWR, so I guess I may have a tech/mech prob with the areil/lead/mount.

                      I used to run a mobile ariel on a mag mount stuck to a biscuit tin on my bedroom floor ( back in '81) and that worked fine.
                      Rob

                      Still working for the man!

                      Comment


                      • #56
                        Originally posted by plumb bob
                        I took it off, just to see if it was the problem, made no difference.

                        I can't remember having any problems with mobile antennae before, they'd SWR up in about 5 mins, I even checked the instructions to make sure I was using the meter right, but making the antenna shorter or longer on the adjuster made no difference to the SWR, so I guess I may have a tech/mech prob with the areil/lead/mount.

                        I used to run a mobile ariel on a mag mount stuck to a biscuit tin on my bedroom floor ( back in '81) and that worked fine.

                        make sure you got the ariel plug in the right socket on back of swr meter

                        Comment


                        • #57
                          Originally posted by plumb bob
                          I took it off, just to see if it was the problem, made no difference.

                          I can't remember having any problems with mobile antennae before, they'd SWR up in about 5 mins, I even checked the instructions to make sure I was using the meter right, but making the antenna shorter or longer on the adjuster made no difference to the SWR, so I guess I may have a tech/mech prob with the areil/lead/mount.

                          I used to run a mobile ariel on a mag mount stuck to a biscuit tin on my bedroom floor ( back in '81) and that worked fine.
                          i used to have one aswell a DV26 i had
                          https://www.facebook.com/groups/henpals/

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                          • #58
                            Originally posted by stormforce
                            i used to have one aswell a DV26 i had

                            do you mean a dv27 rich

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                            • #59
                              Originally posted by pirate-storm
                              do you mean a dv27 rich
                              no a Dv26. I wanted the dv27 but couldn't get one at the time and ended up mother buying a dv26
                              https://www.facebook.com/groups/henpals/

                              Comment


                              • #60
                                Originally posted by stormforce
                                no a Dv26. I wanted the dv27 but couldn't get one at the time and ended up mother buying a dv26
                                cant remeber those rich was it like a dv27 but only alot smaller

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