Can't cite an specific example but 'moon-bounce' was first achieved
not too long after 1950. Also, meteor trails can reflect all VHF-plus
signals including TV and FM. Any time you get a momentary reception of
a strange signal it is probably a bounce from such a trail or from a
high altitude airplane. We can get Colorado Springs TV stations from
airplane bounce here 65 miles north of Denver.
Walt BJ
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