Message-ID: <53C80BCD.8080609@freenet.de>
Date: Thu, 17 Jul 2014 19:45:49 +0200
From: wolf_dl4yhf <dl4yhf@freenet.de>
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Subject: Re: LF: MF/LF kite activity this coming sunday
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Hi all,

The wx forecast doesn't sound like good kiting weather for the weekend.
Maybe you can take one of these gadgets along (the older may remember 
the once-famous german "Yps" magazine from the 1980's...):

A "Giant Solar Zeppelin". Basically just a large tube made of super-thin 
black foil. Inflate it, and place it into the sun :

http://www.zipfelmaus.com/blog/das-beste-yps-gimmick-der-welt-%E2%80%93-der-riesen-solar-zeppelin/

    :o)

Cheers and good luck,
   Wolf .

Am 17.07.2014 00:30, schrieb Markus Vester:
> Hi Stefan, Chris,
> ...sounds like fun! I think I heard Chris mention on air a while ago 
> that he has a large garden at hand, so that's surely a nice opportunity.
> >> The antenna currents will be relatively low though, due to the high 
> radiation resistance...
> great... that's the one problem I'd just love to have one day;-))
> Have a nice trip,and a good time together!
> 73, Markus (DF6NM)
>
> -----Ursprüngliche Mitteilung-----
> Von: DK7FC <73dk7fc@googlemail.com>
> An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
> Verschickt: Mi, 16 Jul 2014 3:40 pm
> Betreff: LF: MF/LF kite activity this coming sunday
>
> Hi all,
>
> I'm in holidays for another 4 weeks now. This coming *sunday, 20th*, 
> i'm planning to visit DF5QG in JO42.
>
> We intend to play arround with a kite antenna which will be about 100m 
> high. The ground losses are quite low and maybe we can try to build a 
> Lambda/4 vertical for 630m, which should have about 50 Ohm feed point 
> impedance then.
>
> With some power we should be able to reach the magical 1 W ERP limit. 
> Maybe someone out there will hear us. The antenna currents will be 
> relatively low though, due to the high radiation resistance on MF...
>
> We also want to try 137 kHz later. It all depends on the WX, as usual. 
> I'm on a tour through Germany, more than 1500km, so i cannot carry my 
> VLF coil all the time, thus no VLF transmissions in this experiment.
>
> If someone is interested in skeds in CW on LF or MF or anything else, 
> just tell us your ideas :-)
>
> 73, Stefan/DK7FC


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    <div class="moz-cite-prefix">Hi all,<br>
      <br>
      The wx forecast doesn't sound like good kiting weather for the
      weekend.<br>
      Maybe you can take one of these gadgets along (the older may
      remember the once-famous german "Yps" magazine from the
      1980's...):<br>
      <br>
      A "Giant Solar Zeppelin". Basically just a large tube made of
      super-thin black foil. Inflate it, and place it into the sun :<br>
      <br>
<a class="moz-txt-link-freetext" href="http://www.zipfelmaus.com/blog/das-beste-yps-gimmick-der-welt-%E2%80%93-der-riesen-solar-zeppelin/">http://www.zipfelmaus.com/blog/das-beste-yps-gimmick-der-welt-%E2%80%93-der-riesen-solar-zeppelin/</a><br>
      <br>
         :o)<br>
      <br>
      Cheers and good luck,<br>
        Wolf .<br>
      <br>
      Am 17.07.2014 00:30, schrieb Markus Vester:<br>
    </div>
    <blockquote
      cite="mid:8D16F5CA2ACF5FA-21F4-244E3@webmail-va048.sysops.aol.com"
      type="cite">
      <div style="FONT-FAMILY: arial; COLOR: black; FONT-SIZE: 10pt"><font
          face="arial" color="black">Hi Stefan, Chris,</font></div>
      <div style="FONT-FAMILY: arial; COLOR: black; FONT-SIZE: 10pt"> </div>
      <div style="FONT-FAMILY: arial; COLOR: black; FONT-SIZE: 10pt">...sounds
        like fun! I think I heard Chris mention on air a while<span
          style="DISPLAY: inline-block" contenteditable="false"></span> ago
        that he has a large garden at hand, so that's surely a nice
        opportunity.</div>
      <div style="FONT-FAMILY: arial; COLOR: black; FONT-SIZE: 10pt"> </div>
      <div style="FONT-FAMILY: arial; COLOR: black; FONT-SIZE: 10pt">&gt;&gt;
        The antenna currents will be relatively low though, due to the
        high radiation resistance...<br>
        great... that's the one problem I'd just love to have one
        day;-))<br>
      </div>
      <div>Have a nice trip,and a good time together!</div>
      <div> </div>
      <div>73, Markus (DF6NM)<br>
      </div>
      <div><br>
      </div>
      -----Ursprüngliche Mitteilung----- <br>
      Von: DK7FC <a class="moz-txt-link-rfc2396E" href="mailto:73dk7fc@googlemail.com">&lt;73dk7fc@googlemail.com&gt;</a><br>
      An: rsgb_lf_group <a class="moz-txt-link-rfc2396E" href="mailto:rsgb_lf_group@blacksheep.org">&lt;rsgb_lf_group@blacksheep.org&gt;</a><br>
      Verschickt: Mi, 16 Jul 2014 3:40 pm<br>
      Betreff: LF: MF/LF kite activity this coming sunday<br>
      <br>
      <div id="AOLMsgPart_1_509e626f-fe2a-45ef-a93e-a76d853032e2">
        <div class="aolReplacedBody" text="#000000" bgcolor="#ffffff">Hi
          all, <br>
          <br>
          I'm in holidays for another 4 weeks now. This coming <b>sunday,
            20th</b>, i'm planning to visit DF5QG in JO42. <br>
          <br>
          We intend to play arround with a kite antenna which will be
          about 100m high. The ground losses are quite low and maybe we
          can try to build a Lambda/4 vertical for 630m, which should
          have about 50 Ohm feed point impedance then. <br>
          <br>
          With some power we should be able to reach the magical 1 W ERP
          limit. Maybe someone out there will hear us. The antenna
          currents will be relatively low though, due to the high
          radiation resistance on MF...<br>
          <br>
          We also want to try 137 kHz later. It all depends on the WX,
          as usual. I'm on a tour through Germany, more than 1500km, so
          i cannot carry my VLF coil all the time, thus no VLF
          transmissions in this experiment. <br>
          <br>
          If someone is interested in skeds in CW on LF or MF or
          anything else, just tell us your ideas :-)<br>
          <br>
          73, Stefan/DK7FC<br>
        </div>
      </div>
    </blockquote>
    <br>
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