Hi John Yeah, dupe sheets were a pain, but at least then, all we had were W's and K's to dupe. Things got pretty bad after that :-) 73 Tom W7WHY > Great article! Thanks for sharing it with us. > Brought back the memories of dupe sheets (pre computer > logging) and having to search for sections since there > was no spotting clusters back then. > > 73s John W5TD