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# E Region - HF radio signals are reflected here back towards the Earth# E Region - HF radio signals are reflected here back towards the Earth Technically, the signals are not "reflected" as in a bounce, but they are bent around so that they return to the earth. So it is a "bend" rather than a "bounce."Technically, the signals are not "reflected" as in a bounce, but they are bent around so that they return to the earth. So it is a "bend" rather than a "bounce." However, with that being said, scientists believe that the E layer is thin and dense and therefore may actually reflect rather than bend. The other other layers bend the wave.Several factors can contribute to signal fading, however, the lower the frequency the less fading will occur. === Sporadic E ===