Rudolf F GrafRudolf F. Graf has 45 years of engineering, sales, and marketing experience in the electronics field. He has written more than 30 books (about three million copies printed)and well over 100 articles. He is a senior member of the IEEE, a licensd amateur radio operator (KA2CWL), and has a BSEE degree from Polytechnic Institute of Brooklyn and an MBA from NYU. He is self-employed. William Sheets is a self-employed circuit design engineer. He has more than 25 years of experience in RF, analog, and digital electronics. He has written numerous articles in electronics publications and co-authored five books with Graf. His interests include amateur radio (K2MQJ), photography, and travel. He has designed and built numerous items, including a satellite TV system, many transmitters and receivers, and a computer. He has an MEE degree from NYU, is married, and lives in up-state New York. Read More Read Less