One thing is for certain,radio will always throw up the unexpected just when you least expect it.
Most people don't actually comprehend just how fast a radio wave travels, if you consider an aircraft travelling at Mach 1,the speed of sound,then your radio wave is travelling 881,000 times faster,approximately, gives you an idea just how difficult it is to design a spacecraft that is capable of light speed or above allowing intergalactic travels. Forty-six seconds after he transmitted his call sign at 7 MHz, he received an echo of his own transmission. 27th, a brief but intense G2-class event, amateur radio operator Peter Brogl of Frth, Germany, experienced a strange phenomenon. that is why i laugh everytime i hear the statement "if you can hear it you can work it", that isn't necessarily so. LONG-DELAY RADIO ECHOES: During the geomagnetic storm of Nov. The page is sorted chronologically, from oldest to newest contributions. I found the subject so interesting that I decided to put together all the messages in this page. I've often wondered when hearing propagation i couldn't get back too if it was actually transmitted that day or was being returned to earth via one or many reflections off distant planets/stars etc.could even have been transmitted minutes or hours earlier through a duct in the ionosphere like Captain Kilowatt describes. The following discussion about the long delayed echoes (LDE's) on the EME signals took place in the Moon-Net reflector.
my mates dad was dx'ing and a period after he unkeyed you could hear the unmistakeable sound of his cobra 148 gtl dx bleep along with the tail end of his call, it happened everytime he unkeyed.very strange occurence. I heard a similar phenomenom back around 1980/81.
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