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Re: SAQ 17.2KHz 24-12-2012 reception

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  • russ_ka1ruw
    Hi Kostas Two words: Outstanding/Inspirational 73 Russ, ka1ruw
    Message 1 of 4 , Dec 26, 2012
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      Hi Kostas

      Two words:

      Outstanding/Inspirational

      73
      Russ, ka1ruw



      --- In powersdr-iq@yahoogroups.com, "SW1IXP" <kostas.ioannidis@...> wrote:
      >
      > A successful reception of SAQ's transmission in Grimeton at 24-12-2012 has been made in Athens, Greece. A 5 meter vertical wire was used as the antenna , feeding a VLF upconverter. The upconverter's output was then fed to an SDR (built around the UHFSDR and USB2SDR boards). The XVTR capabilities in PowerSDR were used so as to display the correct frequency.
      > Homebrew SDR info: https://rapidshare.com/files/1156263032/My%20SDR.pdf
      > Video link: http://www.youtube.com/watch?v=VnAI1H0s6gU
      >
      > 73 de SV1IXP
      > ----------------------------------------------
      > UHFSDR + USB2SDR + BPF/LPF + 100WPA HF/VHF/UHF
      >
    • ericwd9
      Excellent work! One could have input direct to a sound card through a band pass filter I have uploaded a photo of the Alexanderson Alternator used for these
      Message 2 of 4 , Dec 28, 2012
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        Excellent work!
        One could have input direct to a "sound card" through a band pass filter
        I have uploaded a photo of the Alexanderson Alternator used
        for these transmissions. It can be found in the Photos section.
        See
        http://en.wikipedia.org/wiki/Grimeton_VLF_transmitter

        Best Regards 73 Eric VK5ZAG


        --- In powersdr-iq@yahoogroups.com, "SW1IXP" <kostas.ioannidis@...> wrote:
        >
        > A successful reception of SAQ's transmission in Grimeton at 24-12-2012 has been made in Athens, Greece. A 5 meter vertical wire was used as the antenna , feeding a VLF upconverter. The upconverter's output was then fed to an SDR (built around the UHFSDR and USB2SDR boards). The XVTR capabilities in PowerSDR were used so as to display the correct frequency.
        > Homebrew SDR info: https://rapidshare.com/files/1156263032/My%20SDR.pdf
        > Video link: http://www.youtube.com/watch?v=VnAI1H0s6gU
        >
        > 73 de SV1IXP
        > ----------------------------------------------
        > UHFSDR + USB2SDR + BPF/LPF + 100WPA HF/VHF/UHF
        >
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