This handy pocket guide to essential radio frequency interference (RFI) is a valuable, pocket-sized reference for radio amateurs and others in the radio communication fields. Designed as a practical, quick guide, the Radio Frequency Interference Pocket Guide collates key data, diagrams and useful reference materials into one handy place to help the reader to understand basic EM theory, along with specific remediation steps in reducing or eliminating sources of radio interference. Topics covered include; EMC/RFI Fundamentals, EMC design, FCC rules, locating RFI and resolving RFI.