Propagation

///Propagation
  • Sale!
    Out of Stock
    This combo package includes both the 8.5 X 11 paperback and CD version.
    Happy Holidays Special! This combo package includes both the 8.5 X 11 paperback and CD version. Make this authoritative book on shortwave propagation your source for easy-to-understand information on sunspot activity, propagation predictions, unusual propagation effects and do-it-yourself forecasting tips. No active ham can afford to be without this book!  
  • Sale!
    Out of Stock
    propagation  predictionsThis authoritative book on shortwave propagation is your source for  easy-to-understand information on sunspot activity
    Happy Holidays Special! This authoritative book on shortwave propagation is your source for easy-to-understand information on sunspot activity, propagation predictions, unusual propagation effects and do-it-yourself forecasting tips. No active ham can afford to be without this book! This title is also available on CD! Buy both the 8.5 X 11 paperback and CD and save! See Shortwave Propagation Combo.
  • Sale! propagation  predictionsThis authoritative book on shortwave propagation is now offered in a convenient CD format. Make it your source for  easy-to-understand information on sunspot activity
    Happy Holidays Special! This authoritative book on shortwave propagation is now offered in a convenient CD format. Make it your source for easy-to-understand information on sunspot activity, propagation predictions, unusual propagation effects and do-it-yourself forecasting tips. No active ham can afford to be without this book! This title is also available in its original 8.5 X 11 paperback format! Buy both the 8.5 X 11 paperback and CD and save! See Shortwave Propagation Combo.