LESS THAN 4 SATELLITES CAN BE TRACKED AND ESTIMATED POSITION ERROR 18-1.7 (EPE) IS NOT WITHIN LIMITS OF GPS SYSTEM'S FIGURE OF MERIT (FM)

GPS CONTROL DISPLAY UNIT (CDU) DISPLAYS "FAIL" MESSAGE 18-1.6 (Continued - TM-55-1520-240-T-3_1097

LESS THAN 4 SATELLITES CAN BE TRACKED AND ESTIMATED POSITION ERROR 18-1.7 (EPE) IS NOT WITHIN LIMITS OF GPS SYSTEM'S FIGURE OF MERIT (FM) (Continued)

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 18-1.7 LESS THAN 4 SATELLITES CAN BE TRACKED AND ESTIMATED POSITION ERROR 18-1.7 (EPE) IS NOT WITHIN LIMITS OF GPS SYSTEM'S FIGURE OF MERIT (FM) FAULT ISOLATION PROCEDURE INITIAL SETUP References: Applicable Configurations: TM 11-5826-308-12 All TM 55-1520-240-23 Tools: Electrical Repairer's Tool Kit, Equipment Condition: NSN 5180-00-323-4915 TM 55-1520-240-23: Multimeter, AN/USM-223, Battery Connected NSN 6625-00-999-7465 Electrical Power On Hydraulic Power Off Materials: None Personnel Required: Aircraft Electrician GO TO NEXT PAGE 18-26 Change 18

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