Ducting around the world will take roughly 130 milliseconds (0.130 sec.) A
long time delay to be a direct echo, dit + echo, at 18 wpm... Now, a string of
dits could duct around the world and come back to lay inbetween the dits you
are currently transmitting, though keeping them in registration is a bit iffy
in my mind... The other thing is that when you let off the key, how many dits
did you hear echoed? And what is the recovery time in milliseconds for your
receiver?
Did your buddy make a wav of what he was hearing in real time? that would be
interesting to hear...
A possibility is that you were getting ducting, not around the world, but up
into the auroral zone along a magnetic line and then back around...
denny
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