''Basic Radio'' is a wide ranging introduction to the principles of radio waves, transmission and reception, and to the technologies of broadcasting, satellite and personal communications. As well as being a textbook for vocational courses such as City & Guilds and BTEC, Ian Poole's book is essential reading for all communications and broadcast professionals. Radio technology is becoming increasingly important in today's highly sophisticated electronics industry. There are traditional uses including broadcasting and point to point communications, as well as new technologies associated with cellular phones and wire-less data links. All of these developments mean that there will be a greater need for radio engineers at all levels. Ian Poole is an electronic engineer currently involved in project management for the development of a large radio system. He is a regular contributor to ''Electronic - The Maplin Magazine'', ''Everyday Practical Electronics and Practical Wireless''. He has also written several books on amateur radio.