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399Re: Ham Cap Question

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  • oh6bg
    Dec 19, 2006
      > So my question is this. Would Ham Cap better reflect propagation if
      it used the 'Effective SSN' instead of the current SSN?

      Well, no & no. Ham Cap uses VOACAP as its calculation engine. VOACAP
      is intended for making _statistical_ HF propagation predictions on the
      monthly level. To be orthodox in this issue, this means that you
      cannot use either the current SSN or Effective SSN. Why? Because
      VOACAP has not been designed with these Sunspot Numbers in mind. For
      further discussion, see http://www.voacap.com/choosingssn.html

      73 Jari OH6BG
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