Provides a comprehensive introduction to the important aspects of radio systems engineering. Now fully revised and updated, this second edition is the only text available to provide complete coverage of the BTEC NII/III unit on Radio Systems. Radio Systems for Technicians is an essential text for all students taking the BTEC NII/III Radio Systems unit for courses in electrical, electronic and communications engineering. It will also be valuable reading for third and fourth year City and Guilds students of radio and telecommunications engineering.