QEX of Jan/Feb 2017 contains an article by an IK3 that highlights Long Path Echos. Signals arrive both short path and long path. Depending on the path and propagation,, a delay of up to 140 msec can be heard....hence an echo occurs.
I once was, quite awhile back, able to hear my dit travel around the world on 20 meters. I had an Icom 735 that had a very quick xmit to receive switching time that allowed it. Pretty cool I thought. Read the article if you have the mag. Good stuff. 73...Rick -- W5RH <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> Virus-free. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
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