Message-ID: <4F77FA63.1060009@freenet.de>
Date: Sun, 01 Apr 2012 08:49:07 +0200
From: wolf_dl4yhf <dl4yhf@freenet.de>
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References: <8CEDDE7C797C0FB-1AAC-F23D@webmail-d101.sysops.aol.com>
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Subject: Re: ULF: 11.6 =?UTF-8?B?wrVIeiB0cmFuc21pc3Npb24=?=
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Hello Markus and group,

I will certainly look out for the signal. Only have to modify the 
soundcard's input coupling capacitor a tiny bit, guess I must connect a 
second capacitor in parallel. But sure there is something suitable in 
the junk-box.
Are you, by chance, using a modified OAM antenna for transmission as 
used by the German Navy near the danish border (see Peter's article). If 
so, is the inner circle's rotation frequency equal to the transmit 
frequency ?

Good luck and all the best,
   Wolf .



Am 01.04.2012 08:28, schrieb Markus Vester:
> Dear LF,
> in a joint project including a number of radio amateurs, our group is 
> working on a large experimental earth-antenna system, which is able to 
> radiate an ultra-low frequency signal at low power.
> We are currently transmitting an unmodulated test carrier on 11.60576 
> µHz, and (according to our measurements) are achieving a radiated 
> power of 16 microwatts. Frequency stability is on the order of 1e-8, 
> which should enable narrow bandwidth observations with high sensitivity.
> The transmission has been on air for a while. Any reception reports 
> (especially of far-field detections) would be much appreciated.
> Best 73,
> Markus (DF6NM)


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    Hello Markus and group,<br>
    <br>
    I will certainly look out for the signal. Only have to modify the
    soundcard's input coupling capacitor a tiny bit, guess I must
    connect a second capacitor in parallel. But sure there is something
    suitable in the junk-box. <br>
    Are you, by chance, using a modified OAM antenna for transmission as
    used by the German Navy near the danish border (see Peter's
    article). If so, is the inner circle's rotation frequency equal to
    the transmit frequency ?<br>
    <br>
    Good luck and all the best,<br>
      Wolf .<br>
    <br>
    <br>
    <br>
    Am 01.04.2012 08:28, schrieb Markus Vester:
    <blockquote
      cite="mid:8CEDDE7C797C0FB-1AAC-F23D@webmail-d101.sysops.aol.com"
      type="cite"><font color="black" face="arial" size="2">
        <div>Dear LF,</div>
        <div> </div>
        <div>in a joint project including a number of radio amateurs,
          our group is working on a large experimental earth-antenna
          system, which is able to radiate an ultra-low frequency signal
          at low power. </div>
        <div> </div>
        <div>We are currently transmitting an unmodulated test carrier
          on 11.60576 µHz, and (according to our measurements) are
          achieving a radiated power of 16 microwatts. Frequency
          stability is on the order of 1e-8, which should enable narrow
          bandwidth observations with high sensitivity.</div>
        <div> </div>
        <div>The transmission has been on air for a while. Any reception
          reports (especially of far-field detections) would be much
          appreciated.</div>
        <div> </div>
        <div>Best 73,<br>
        </div>
        <div>Markus (DF6NM)<br>
        </div>
      </font>
    </blockquote>
    <br>
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