80
Abbreviation Meaning 
K Kelvin 
KB Kilobyte 
LAT Latitude 
lbs. Pounds 
LLTV  Low Light Television 
µm Micron (10
-6
 meters) 
M Meter  
MB Megabyte 
mm Millimeter 
mRad milli-Radian 
MTBF  Mean Time Between Failures 
NETD  Noise Equivalent Temporal Differential 
NFOV  Narrow Field of View 
NMEA  National Maritime Electronics Association 
NTSC  National Television Systems Committee 
NUC Non-Uniformity Correction 
PAL  Phase Alternation by Line 
PCORR Phase Correlation 
PM Preventive Maintenance 
POL Polarity 
POS Position 
RAM  Random Access Memory 
RBH  Radar Bearing Handoff 
Rev Revision 
RGB Red, Green, Blue 
Sec Second 
SGA  Stabilized Gimbal Assembly 
SOP  Standard Operating Procedure 
SYM Symbology 
VDC  Voltage, Direct Current 
WFOV  Wide Field of View 
Definitions: 
Nadir  Lowest point on the horizon 
 
Commercial in Confidence
Export Level 2
Issued to: AgustaWestland
CM Ref:4049
Valid on Day of Issue only.
Document will not be updated
Uncontrolled : 4256
Retrieval Date:07-Dec-10
Requested by Bower,  Richard