I just saw that Mike/G3XDV appears very much stronger on my grabber after 19 UTC while he is much stronger before 19 UTC on the DF6NM grabber and almost invisible after 19 UTC. The difference of dist
Hello Stefan ! You're right! Those effects have been observed before. Ossi and I have watched different closely spaced grabbers (like mine and DF6NM) and found very similar results. One explanation f