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    Unknown Signal just below the 40 meter band

    Member ✭✭
    edited March 2020 in SmartSDR for Windows
    Anyone else see this kind of noise? It lasted for about 5 mins. Was weaker on my Yagi (pointed NE) than my OCF Dipole oriented NE/SW. It also faded a little while I listened. Good S9 signal for the most part.  It seems you never know what you'll hear on HF.  The time in the video is CDT.

    I'm located in SE Wisconsin.  It's a very quite neighborhood with almost no local noise.  That signal was unusual and splashing into the CW portion of 40.  It was S5 on my Yagi and S9 on the OCF.  The OCF is a 6-160M antenna up 50 feet at the apex and the Yagi is at about 60 Ft.

    Answers

    • Member ✭✭
      edited March 2020
      Yes. Saw same 2 nights ago on 40 meters.
    • Member ✭✭
      edited April 2019
      Ferrell-KC0FGX   My Amateur Radio friend said that is Over the horizon radar. 

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