INSTALLATION MANUAL
CMA-5024 GLSSU
This document includes Proprietary Information and shall not be reproduced or communicated to third party
without prior written permission by CMC Electronics Inc.
Page LOA-1
November 21, 2008
LIST OF ABBREVIATIONS
ADS-B - Automatic Dependant Surveillance – Broadcast
AFCS - Automatic Flight Control System
APD - Aircraft Personality Data
APU - Auxilary Power Unit
ARINC - Aeronautical Radio Incorporated
BCD - Binary Coded Decimal
BIT - Built-In-Test
BITE - Built-In-Test Equipment
BNR - Binary Numerical Representative
C/A code - Course Acquisition Code
C/No - Carrier-to-Noise power density ratio
CCA - Circuit Card Assembly
CDU - Control/Display Unit
CPU - Central Processor Unit
CRA - Core GPS Receiver sub-Assembly
CRC - Cyclic Redundancy Check
DADS - Digital Air data System
dBHz - Decibels in one Hertz
DME - Distance Measuring Equipment
ECEF - Earth Centered Earth Fixed
EDS - Electronic Display System
EMI - Electromagnetic Interference
FAA - Federal Aviation Administration
FAS - Final Approach Segment
FMS - Flight Management System
FOM - Figure of Merit
GBAS - Ground Based Augmentation System
GLS - GPS Landing System
GLSSU - GPS Landing System Sensor Unit
GPS - Global Positioning System
GPU - Ground Power Unit
G/T - Gain/Temperature ratio
HDOP - Horizontal Dilution of Precision
HIL - Horizontal Integrity Limit
HS - High Speed bus
IBIT - Initiated Built-In Test
ID - Identification
ILS - Instrument Landing System
IRS - Inertial Reference System
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