OVERVIEW: Simple Offensive Electronic Countermeasures (OECM) systems primarily used continuous wave (CW) jamming to interfere with enemy radar signals. These basic jammers provided fundamental radar disruption but lacked frequency agility and advanced signal processing.

GENERAL DESCRIPTION: 1970s simple OECM systems employed continuous wave jamming to generate steady-state signals aimed at saturating enemy radar receivers and causing target tracking errors. Typically analog-based and limited in frequency coverage, these systems were installed on tactical aircraft and naval vessels. Their simplicity restricted effectiveness against frequency-agile or pulse-Doppler radars but offered a foundational capability for early electronic attack. Control was largely manual, with limited automatic threat response.

ROLE SUMMARY:
Category: Electronic Warfare / Offensive Electronic Countermeasures
Primary Use: Basic radar disruption through CW jamming
Function: Continuous wave signal generation to mask or confuse enemy radar
Platform: Tactical aircraft, naval ships
Integration: Standalone or paired with basic Radar Warning Receivers (RWR)

SOURCE:
Jane’s Electronic Warfare Systems (1970s editions)
U.S. Department of Defense EW Reports (1970s)