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Date: Wed, 10 Jul 2013 10:51:45 +0100
From: pat <g4gvw@aol.com>
Organization: G4GVW
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CC: edgar <edgarjtwining@virginbroadband.com.au>
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 Content preview:  I don't know if my previous posts arrived but I still prefer
    to think that a "small" antenna is one plate of a capacitor and the rest
   of the universe is the other. This then enables the spacecraft antenna to
   work. The universe is not a great big empty space! [...] 
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Subject: Re: Fwd: Re: LF: VK1OD's analysis of the MiniWhip antenna
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I don't know if my previous posts arrived but I still prefer to think 
that a "small" antenna is one plate of a capacitor and the rest of the 
universe is the other. This then enables the spacecraft antenna to work. 
The universe is not a great big empty space!

73 de Pat


On 10/07/13 08:58, edgar wrote:
>
> I sent this message two days ago and I did not see it arrive.
>
> Although the subject is now out of context, I would like some comment 
> on my question.
>
> Regards, Edgar
> Moonah, Tasmania.
>
>
> -------- Original Message --------
> Subject: 	Re: LF: VK1OD's analysis of the MiniWhip antenna
> Date: 	Mon, 08 Jul 2013 00:06:50 +1000
> From: 	edgar <edgarjtwining@virginbroadband.com.au>
> To: 	rsgb_lf_group@blacksheep.org
>
>
>
> Hi Pieter-Tjerk,
>
> If that is the case, and all the parts are at the same potential, how
> does a space craft, radio controlled model aeroplane
>
> get their signals?
>
> Surely every conductor in the unit will have a difference in potential
> due to being in a electromagnetic field.
>
> Even in the legs of the FET. Although the potential will be extremely small.
>
> Surely it is only necessary to have a change of the Vgs voltage of the FET.
>
> So the geometry of the antenna has to be made to allow this to occur.
>
> Regards, Edgar
> Moonah, Tasmania.
>
>
>
>


-- 
73 de pat g4gvw
es gd dx
qth nr Felixstowe
East Coast UK


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    <div class="moz-cite-prefix">I don't know if my previous posts
      arrived but I still prefer to think that a "small" antenna is one
      plate of a capacitor and the rest of the universe is the other.
      This then enables the spacecraft antenna to work. The universe is
      not a great big empty space!<br>
      <br>
      73 de Pat<br>
      <br>
      <br>
      <br>
      On 10/07/13 08:58, edgar wrote:<br>
    </div>
    <blockquote cite="mid:51DD1434.2030300@virginbroadband.com.au"
      type="cite">
      <meta http-equiv="content-type" content="text/html;
        charset=ISO-8859-1">
      <br>
      <div class="moz-forward-container">I sent this message two days
        ago and I did not see it arrive.<br>
        <br>
        Although the subject is now out of context, I would like some
        comment on my question.<br>
        <br>
        Regards, Edgar<br>
        Moonah, Tasmania.<br>
        <br>
        <br>
        -------- Original Message --------
        <table class="moz-email-headers-table" border="0"
          cellpadding="0" cellspacing="0">
          <tbody>
            <tr>
              <th align="RIGHT" nowrap="nowrap" valign="BASELINE">Subject:

              </th>
              <td>Re: LF: VK1OD's analysis of the MiniWhip antenna</td>
            </tr>
            <tr>
              <th align="RIGHT" nowrap="nowrap" valign="BASELINE">Date:
              </th>
              <td>Mon, 08 Jul 2013 00:06:50 +1000</td>
            </tr>
            <tr>
              <th align="RIGHT" nowrap="nowrap" valign="BASELINE">From:
              </th>
              <td>edgar <a moz-do-not-send="true"
                  class="moz-txt-link-rfc2396E"
                  href="mailto:edgarjtwining@virginbroadband.com.au">&lt;edgarjtwining@virginbroadband.com.au&gt;</a></td>
            </tr>
            <tr>
              <th align="RIGHT" nowrap="nowrap" valign="BASELINE">To: </th>
              <td><a moz-do-not-send="true"
                  class="moz-txt-link-abbreviated"
                  href="mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org</a></td>
            </tr>
          </tbody>
        </table>
        <br>
        <br>
        <pre>Hi Pieter-Tjerk,

If that is the case, and all the parts are at the same potential, how 
does a space craft, radio controlled model aeroplane

get their signals?

Surely every conductor in the unit will have a difference in potential 
due to being in a electromagnetic field.

Even in the legs of the FET. Although the potential will be extremely small.

Surely it is only necessary to have a change of the Vgs voltage of the FET.

So the geometry of the antenna has to be made to allow this to occur.

Regards, Edgar
Moonah, Tasmania.


</pre>
        <br>
      </div>
      <br>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
73 de pat g4gvw
es gd dx
qth nr Felixstowe
East Coast UK</pre>
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