Lou Frenzel has been an active ham for decades with prior calls ofW5TOM, K3CTX, W8LJR and now W5LEF. He has worked as a writer/editor for Electronic Design (ED) magazine since 2000 covering the wireless and communications fields. Lou has over 25 years of electronic industry experience as an engineer in the geophysical, aerospace and computer fields. He was a VP at Heathkit, a top ham equipmentmanufacturer for eight years. Prior to joining ED he was a collegeprofessor teaching electronics. He holds bachelors and mastersdegrees in electronics and is author of 27 books on communications, computers and electronics including McGraw Hill's Principles ofElectronic Communications Systems, 4 th edition.]