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Edit to fix URLs; (Seasonal) Tropospheric Ducting : https://en.wikipedia.org/wiki/Tropospheric_propagation https://en.wikipedia.org/wiki/Tropospheric_propagati

• RF_Enthusiast 4y ago
  When I was in Southern California a few months back, I was really surprised at how good distant signals from all over the coast came in. This map shows, even at the winter solstice, there is some ducting going on between the Santa Barbara area and San Diego: <https://dxinfocentre.com/tropo_enp.html https://dxinfocentre.com/tropo_enp.html>
  • Trouble_007 4y ago
    Ducting - Cause and Impact on Radio Performance : https://www.slideshare.net/MdMustafizurRahman1/ducting-cause-and-impact-on-radio-performance https://www.slideshare.net/MdMustafizurRahman1/ducting-cause... SF <-> LA <-> SD 'aircraft contrail induced clouds'