I also recently completed an AF1 for my KX1 and I too am very impressed with it. I made a short 45 second demo at: http://www.youtube.com/watch?v=9zTE-xEocO4 Stan Levandowski WB2LQF HF QRP CW -- Doing more with less for over 50 years! QCWA #35038 OOTC #4558 NAQCC #4740 SKCC #6488 FISTS #14992 QRP ARCI #14321