Subject: Re: LF: Rogowski-coils for RF measurements
To: rsgb_lf_group@blacksheep.org
References: <5BCC66BE.8030109@posteo.de> <5BCDCAD5.707@posteo.de>
From: F6CWN <f6cwn@orange.fr>
Message-ID: <42471ae2-a85b-84d7-83b1-abbacc085387@orange.fr>
Date: Mon, 22 Oct 2018 15:01:27 +0000
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Hello Stephane!


Maybe this could help you:

http://www.uqac.ca/dsa/archives/projets/2010/conception/rapportFinal/RapFinal_2010-193.pdf

(Limited to ~300 KHz)

73: Jeff F6CWN


Le 22/10/2018 à 13:04, DK7FC a écrit :
> Hi all,
>
> Has someone ever build (homemade, not bought!) a Rogowski-coil for RF 
> current measurements?
> https://en.wikipedia.org/wiki/Rogowski_coil
>
> It could be used to measure leakage currents in a tower near the 
> antenna wire for example. Or for measuring RF currents into a pole of 
> a guide rail, for example :-)
>
> I'm planning to build one and i thought i use 0.4 mm diameter enameled 
> cu wire arround a graden hose, having 0.6m circumference. Then some 
> shrinking tube will be applied. That's the plan.
>
> The circuit looks easy, it should be run from a 9V battery and a 
> simple TL081 for example. The output could be adapted to a multimeter, 
> so there is a digital read-out.
>
> I'm curious to see how it works...
>
>
> 73, Stefan
>
>

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    <p><font face="Georgia"><br>
        <span class="tlid-translation translation"><span title=""
            class="">Hello Stephane!</span></span></font></p>
    <p><font face="Georgia"><span class="tlid-translation translation"><span
            title="" class=""></span><br>
          <span title="" class="">Maybe this could help you:</span></span></font></p>
    <p><font face="Georgia"><a class="moz-txt-link-freetext" href="http://www.uqac.ca/dsa/archives/projets/2010/conception/rapportFinal/RapFinal_2010-193.pdf">http://www.uqac.ca/dsa/archives/projets/2010/conception/rapportFinal/RapFinal_2010-193.pdf</a></font></p>
    <p><font face="Georgia">(Limited to ~300 KHz)<br>
      </font></p>
    <p>73: <font face="Segoe Script">Jeff <font face="Georgia">F6CWN</font></font></p>
    <p><font face="Segoe Script"><font face="Georgia"></font></font><br>
    </p>
    <div class="moz-cite-prefix">Le 22/10/2018 à 13:04, DK7FC a écrit :<br>
    </div>
    <blockquote type="cite" cite="mid:5BCDCAD5.707@posteo.de">Hi all,
      <br>
      <br>
      Has someone ever build (homemade, not bought!) a Rogowski-coil for
      RF current measurements?
      <br>
      <a class="moz-txt-link-freetext" href="https://en.wikipedia.org/wiki/Rogowski_coil">https://en.wikipedia.org/wiki/Rogowski_coil</a>
      <br>
      <br>
      It could be used to measure leakage currents in a tower near the
      antenna wire for example. Or for measuring RF currents into a pole
      of a guide rail, for example :-)
      <br>
      <br>
      I'm planning to build one and i thought i use 0.4 mm diameter
      enameled cu wire arround a graden hose, having 0.6m circumference.
      Then some shrinking tube will be applied. That's the plan.
      <br>
      <br>
      The circuit looks easy, it should be run from a 9V battery and a
      simple TL081 for example. The output could be adapted to a
      multimeter, so there is a digital read-out.
      <br>
      <br>
      I'm curious to see how it works...
      <br>
      <br>
      <br>
      73, Stefan
      <br>
      <br>
      <br>
    </blockquote>
  </body>
</html>

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