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RG-213 Cable with electric strained wire as metallic shield of Coaxial cable


How do I extend broken coaxial cable?How to keep a disconnected coaxial connector weatherproof?How to choose a coaxial cableConnect Printed Yagi-Uda Dipole Array with Balun to coaxial cable correctlyUnderstanding coax radiation and “current on the shield”Why isn't twisted pair used for feedlines?Does a balun need to be made with coax?Current flow in a coaxial cableSoldering PL-259.. with a torch?Why does ladder line generally have a lower loss than coaxial cable?













1












$begingroup$


I'm using RG-213 coaxial cable for two-way ham radio communication. But due to weather conditions, the metallic shield of my coaxial cable (RG-213) become rusty and carbonated.



If I use copper electrical cable 3/.029 as metallic shield with aforesaid (rusty metallic shield ) Coaxial Cable, what will be the result? Will it be the best solution for my damage metallic shield coaxial cable or not? Can i get the best two way communication with this method?










share|improve this question











$endgroup$



migrated from electronics.stackexchange.com 7 hours ago


This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.













  • 1




    $begingroup$
    Is it possible to cut out the damaged section, put connectors on the ends and join the salvaged cable with a "barrel" connector (e.g., 83-1J)?
    $endgroup$
    – Brian K1LI
    6 hours ago










  • $begingroup$
    What is the maximum frequency that this coax will be used for?
    $endgroup$
    – Mike Waters
    6 hours ago















1












$begingroup$


I'm using RG-213 coaxial cable for two-way ham radio communication. But due to weather conditions, the metallic shield of my coaxial cable (RG-213) become rusty and carbonated.



If I use copper electrical cable 3/.029 as metallic shield with aforesaid (rusty metallic shield ) Coaxial Cable, what will be the result? Will it be the best solution for my damage metallic shield coaxial cable or not? Can i get the best two way communication with this method?










share|improve this question











$endgroup$



migrated from electronics.stackexchange.com 7 hours ago


This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.













  • 1




    $begingroup$
    Is it possible to cut out the damaged section, put connectors on the ends and join the salvaged cable with a "barrel" connector (e.g., 83-1J)?
    $endgroup$
    – Brian K1LI
    6 hours ago










  • $begingroup$
    What is the maximum frequency that this coax will be used for?
    $endgroup$
    – Mike Waters
    6 hours ago













1












1








1





$begingroup$


I'm using RG-213 coaxial cable for two-way ham radio communication. But due to weather conditions, the metallic shield of my coaxial cable (RG-213) become rusty and carbonated.



If I use copper electrical cable 3/.029 as metallic shield with aforesaid (rusty metallic shield ) Coaxial Cable, what will be the result? Will it be the best solution for my damage metallic shield coaxial cable or not? Can i get the best two way communication with this method?










share|improve this question











$endgroup$




I'm using RG-213 coaxial cable for two-way ham radio communication. But due to weather conditions, the metallic shield of my coaxial cable (RG-213) become rusty and carbonated.



If I use copper electrical cable 3/.029 as metallic shield with aforesaid (rusty metallic shield ) Coaxial Cable, what will be the result? Will it be the best solution for my damage metallic shield coaxial cable or not? Can i get the best two way communication with this method?







coaxial-cable






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 6 hours ago









Kevin Reid AG6YO

16.6k33171




16.6k33171










asked 7 hours ago







ajmal nawaz











migrated from electronics.stackexchange.com 7 hours ago


This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.









migrated from electronics.stackexchange.com 7 hours ago


This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.









  • 1




    $begingroup$
    Is it possible to cut out the damaged section, put connectors on the ends and join the salvaged cable with a "barrel" connector (e.g., 83-1J)?
    $endgroup$
    – Brian K1LI
    6 hours ago










  • $begingroup$
    What is the maximum frequency that this coax will be used for?
    $endgroup$
    – Mike Waters
    6 hours ago












  • 1




    $begingroup$
    Is it possible to cut out the damaged section, put connectors on the ends and join the salvaged cable with a "barrel" connector (e.g., 83-1J)?
    $endgroup$
    – Brian K1LI
    6 hours ago










  • $begingroup$
    What is the maximum frequency that this coax will be used for?
    $endgroup$
    – Mike Waters
    6 hours ago







1




1




$begingroup$
Is it possible to cut out the damaged section, put connectors on the ends and join the salvaged cable with a "barrel" connector (e.g., 83-1J)?
$endgroup$
– Brian K1LI
6 hours ago




$begingroup$
Is it possible to cut out the damaged section, put connectors on the ends and join the salvaged cable with a "barrel" connector (e.g., 83-1J)?
$endgroup$
– Brian K1LI
6 hours ago












$begingroup$
What is the maximum frequency that this coax will be used for?
$endgroup$
– Mike Waters
6 hours ago




$begingroup$
What is the maximum frequency that this coax will be used for?
$endgroup$
– Mike Waters
6 hours ago










2 Answers
2






active

oldest

votes


















2












$begingroup$

You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter if it does not have high-SWR protection.



Weather-damaged coaxial cable should be replaced with new coaxial cable. Be sure to apply suitable sealing tape (self-amalgamating tape) to the end connectors after tightening them down if they will be exposed to moisture.




The one thing you can do for damaged cable is to cut off the damaged section and install a connector (a proper coaxial connector, not a splice) to join it to a new length. However, this is not a good idea for outdoor installations since it introduces more places for water to get in.






share|improve this answer











$endgroup$












  • $begingroup$
    That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
    $endgroup$
    – Mike Waters
    6 hours ago










  • $begingroup$
    @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
    $endgroup$
    – Kevin Reid AG6YO
    6 hours ago










  • $begingroup$
    Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
    $endgroup$
    – Mike Waters
    6 hours ago











  • $begingroup$
    I get that now. But what is "electric strained wire"? :-)
    $endgroup$
    – Mike Waters
    6 hours ago










  • $begingroup$
    Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
    $endgroup$
    – Mike Waters
    5 hours ago


















1












$begingroup$

If part or all of the shield of your coax is corroded, then that entire portion of the coaxial cable must be discarded.



  • The corrosion causes the individual strands of the shield to be isolated from one another, significantly reducing the shielding effect of the braid.


  • It also causes noise to be heard in your receiver.


And as Kevin correctly stated in another answer here:




You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter ...







share|improve this answer











$endgroup$













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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    2












    $begingroup$

    You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter if it does not have high-SWR protection.



    Weather-damaged coaxial cable should be replaced with new coaxial cable. Be sure to apply suitable sealing tape (self-amalgamating tape) to the end connectors after tightening them down if they will be exposed to moisture.




    The one thing you can do for damaged cable is to cut off the damaged section and install a connector (a proper coaxial connector, not a splice) to join it to a new length. However, this is not a good idea for outdoor installations since it introduces more places for water to get in.






    share|improve this answer











    $endgroup$












    • $begingroup$
      That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
      $endgroup$
      – Kevin Reid AG6YO
      6 hours ago










    • $begingroup$
      Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
      $endgroup$
      – Mike Waters
      6 hours ago











    • $begingroup$
      I get that now. But what is "electric strained wire"? :-)
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
      $endgroup$
      – Mike Waters
      5 hours ago















    2












    $begingroup$

    You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter if it does not have high-SWR protection.



    Weather-damaged coaxial cable should be replaced with new coaxial cable. Be sure to apply suitable sealing tape (self-amalgamating tape) to the end connectors after tightening them down if they will be exposed to moisture.




    The one thing you can do for damaged cable is to cut off the damaged section and install a connector (a proper coaxial connector, not a splice) to join it to a new length. However, this is not a good idea for outdoor installations since it introduces more places for water to get in.






    share|improve this answer











    $endgroup$












    • $begingroup$
      That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
      $endgroup$
      – Kevin Reid AG6YO
      6 hours ago










    • $begingroup$
      Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
      $endgroup$
      – Mike Waters
      6 hours ago











    • $begingroup$
      I get that now. But what is "electric strained wire"? :-)
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
      $endgroup$
      – Mike Waters
      5 hours ago













    2












    2








    2





    $begingroup$

    You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter if it does not have high-SWR protection.



    Weather-damaged coaxial cable should be replaced with new coaxial cable. Be sure to apply suitable sealing tape (self-amalgamating tape) to the end connectors after tightening them down if they will be exposed to moisture.




    The one thing you can do for damaged cable is to cut off the damaged section and install a connector (a proper coaxial connector, not a splice) to join it to a new length. However, this is not a good idea for outdoor installations since it introduces more places for water to get in.






    share|improve this answer











    $endgroup$



    You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter if it does not have high-SWR protection.



    Weather-damaged coaxial cable should be replaced with new coaxial cable. Be sure to apply suitable sealing tape (self-amalgamating tape) to the end connectors after tightening them down if they will be exposed to moisture.




    The one thing you can do for damaged cable is to cut off the damaged section and install a connector (a proper coaxial connector, not a splice) to join it to a new length. However, this is not a good idea for outdoor installations since it introduces more places for water to get in.







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited 6 hours ago

























    answered 6 hours ago









    Kevin Reid AG6YOKevin Reid AG6YO

    16.6k33171




    16.6k33171











    • $begingroup$
      That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
      $endgroup$
      – Kevin Reid AG6YO
      6 hours ago










    • $begingroup$
      Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
      $endgroup$
      – Mike Waters
      6 hours ago











    • $begingroup$
      I get that now. But what is "electric strained wire"? :-)
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
      $endgroup$
      – Mike Waters
      5 hours ago
















    • $begingroup$
      That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
      $endgroup$
      – Kevin Reid AG6YO
      6 hours ago










    • $begingroup$
      Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
      $endgroup$
      – Mike Waters
      6 hours ago











    • $begingroup$
      I get that now. But what is "electric strained wire"? :-)
      $endgroup$
      – Mike Waters
      6 hours ago










    • $begingroup$
      Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
      $endgroup$
      – Mike Waters
      5 hours ago















    $begingroup$
    That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
    $endgroup$
    – Mike Waters
    6 hours ago




    $begingroup$
    That impedance bump has a minuscule effect below 50 Mhz, as it's only a tiny fraction of the wavelength.
    $endgroup$
    – Mike Waters
    6 hours ago












    $begingroup$
    @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
    $endgroup$
    – Kevin Reid AG6YO
    6 hours ago




    $begingroup$
    @MikeWaters I understood the question as asking about replacing a long length of shield with other wire. We don't know what the length is (I removed "bump" from the answer to improve it), and the question isn't about HF specifically either.
    $endgroup$
    – Kevin Reid AG6YO
    6 hours ago












    $begingroup$
    Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
    $endgroup$
    – Mike Waters
    6 hours ago





    $begingroup$
    Yes, he does not specify the frequency of interest (I just asked that), thus my comment.
    $endgroup$
    – Mike Waters
    6 hours ago













    $begingroup$
    I get that now. But what is "electric strained wire"? :-)
    $endgroup$
    – Mike Waters
    6 hours ago




    $begingroup$
    I get that now. But what is "electric strained wire"? :-)
    $endgroup$
    – Mike Waters
    6 hours ago












    $begingroup$
    Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
    $endgroup$
    – Mike Waters
    5 hours ago




    $begingroup$
    Also, "this is not a good idea for outdoor installations since it introduces more places for water to get in" is generally very good advice indeed. We've had years of practice and experience doing just that, and with great success. Others -especially newbies- have not.
    $endgroup$
    – Mike Waters
    5 hours ago











    1












    $begingroup$

    If part or all of the shield of your coax is corroded, then that entire portion of the coaxial cable must be discarded.



    • The corrosion causes the individual strands of the shield to be isolated from one another, significantly reducing the shielding effect of the braid.


    • It also causes noise to be heard in your receiver.


    And as Kevin correctly stated in another answer here:




    You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter ...







    share|improve this answer











    $endgroup$

















      1












      $begingroup$

      If part or all of the shield of your coax is corroded, then that entire portion of the coaxial cable must be discarded.



      • The corrosion causes the individual strands of the shield to be isolated from one another, significantly reducing the shielding effect of the braid.


      • It also causes noise to be heard in your receiver.


      And as Kevin correctly stated in another answer here:




      You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter ...







      share|improve this answer











      $endgroup$















        1












        1








        1





        $begingroup$

        If part or all of the shield of your coax is corroded, then that entire portion of the coaxial cable must be discarded.



        • The corrosion causes the individual strands of the shield to be isolated from one another, significantly reducing the shielding effect of the braid.


        • It also causes noise to be heard in your receiver.


        And as Kevin correctly stated in another answer here:




        You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter ...







        share|improve this answer











        $endgroup$



        If part or all of the shield of your coax is corroded, then that entire portion of the coaxial cable must be discarded.



        • The corrosion causes the individual strands of the shield to be isolated from one another, significantly reducing the shielding effect of the braid.


        • It also causes noise to be heard in your receiver.


        And as Kevin correctly stated in another answer here:




        You cannot repair a coaxial cable by wrapping or replacing the outer conductor (shield) with ordinary wire. The shape of the shield is critical to its functioning (determining the characteristic impedance) and the different impedance created by using differently shaped conductors will lead to reduced performance, and possibly damage your transmitter ...








        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited 5 hours ago

























        answered 6 hours ago









        Mike WatersMike Waters

        3,6332635




        3,6332635



























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