This course provides training for Airway Transportation Systems Specialists (ATSS) personnel with responsibility for maintaining Micro-En Route Automated Radar Tracking System (MEARTS) . The course is 59 hours Academy lecture and 61 hours Academy lab. Lecture includes system theory; functional analysis of radar data acquisition, remote display driver, communications data acquisition, data entry &display, and central processing; keyboard entries; LRU remove/replace; analysis of various printouts; and hardware diagnostics. Lab includes initialization &shutdown, running diagnostics, remove/replace LRUs, system troubleshooting, CDR maintenance &extraction, alignment of data display monitors, and recent hardware changes including HP platforms, CAT5, LAN, Communications Gateways (CGWs), and Tower Controller Workstations (TCWs)/Remote Controller Workstations (RCWs).