Janet Geikas and Nicholas DeMinco

Abstract: The Jammer Effectiveness Model (JEM) is a Windows-based computer program which provides an integrated procedure for modeling propagation effects on telecommunication links and the effect of a jammer on communication links and networks. JEM provides the user with the ability to define equipment such as transmitters, receivers and antennas and then use these definitions in a variety of analyses. JEM can be used easily after only a short learning period.

Keywords: propagation; jammer; jamming; communications system models; electronic warfare; countermeasures

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