A while ago we had an extended discussion on -bb about the benefits of being able to twist your Arrow (or Elk) for max signal on either receive or transmit via satellite. Today I took a quick video with my phone (ha!) illustrating the differences in polarity. This was at the tail end of an AO-51 pass, with the satellite below 10 degrees. The downlink is the UHF half of an Arrow, 10 feet of high quality coax, and a Yaesu FT-817.

http://www.youtube.com/watch?v=XTqjQ9xIQQE

73, Drew KO4MA