VLF Beacon Transmitter (8.760kHz)

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Uploaded by on Nov 23, 2010

My 5W QRP QRSS3 and 10wpm CW beacon used to transmit at 8.760kHz VLF under the terms of my OFCOM amateur radio NoV. Best DX so far is 5.1km by utilities assisted earth mode. Signals at this distance are not as strong as at 0.838kHz. Experiments are continuing.

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Uploader Comments (G3XBM)

  • Signals are injected between two earth rods separated by 20m in the garden. This sets up a conduction current in the ground that spreads out over a considerable distance which can best be detected with a loop close to the ground connected to a tuned preamp feeding a PC running Spectran software.

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  • @NICKN0RT0N Oh, I missed it. Thanks! :)

  • @giganetom The Uploaders' Comments have your question answered before you asked it.

  • Have you also used separated ground rods for receive?

  • What kind of antenna do you use for transmit?

  • Nice! Please more info abouth this transmitter.

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