The third book in the bestselling Artech House EW 100 series is dedicated entirely to the practical aspects of electronic warfare against enemy communication. Like its predecessors, EW 103 presents a series of highly informative and easy-to-comprehend tutorials, along with insightful introductory and connective material that helps practitioners understand how each aspect fits together. From communications math, receiving systems, and signals, to communications emitter location, interecept, and jamming, this comprehensive volume covers all the key topics in the field. CD-ROM and Slide Rule Included! The CD-ROM contains time-saving formulas in spreadsheet format for the calculation of propagation losses, received signal strength, effective range, jamming to signal ratio and other important values. The book also comes packaged with a unique antenna and propagation slide rule for quick communication link calculations.