190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 4
Page 1-4
1.3
Definitions and Abbreviations
Definitions
References made to GTX 3X5 apply to all GTX 3X5 models, except when noted.
The term squitter refers to a burst or broadcast of aircraft-tracking data that is periodically transmittedby a
Mode S transponder without radar interrogation. The GTX 3X5 Mode S/ES models transmit
ADS-B Out ES. These transmissions contain additional aircraft information that includes GPS based
location information.
Abbreviations
These abbreviations and acronyms are used in this document.
AC
Advisory Circular
ADF
Automatic Direction Finder
ADS-B
Automatic Dependent Surveillance-Broadcast
ADS-R
Automatic Dependent Surveillance-Rebroadcast
AFMS
Aircraft Flight Manual Supplement
AIRMET
Airmen Meteorological Information
API
Appliance Project Identifier
CDTI
Cockpit Display of Traffic Information
ATCRBS
Air Traffic Control Radar Beacon System
CFR
Code of Federal Regulations
CG
Center of Gravity
CONUS
Continental United States
CSA
Conflict Situational Awareness
DC
Direct Current
DME
Distance Measuring Equipment
EQF
Environmental Qualification Form
ES
Extended Squitter
FAA
Federal Aviation Administration
FCC
Federal Communications Commission
FCU
Flight Control Unit
FIS-B
Flight Information Services-Broadcast
FMS
Flight Manual Supplement
GAE
Garmin Altitude Encoder
GNSS
Global Navigation Satellite System
GPS
Global Positioning System
GTX
Garmin Transponder
HSDB
High Speed Data Bus
LAT
Latitude
LON
Longitude
MCP
Mode Control Panel
METAR
Meteorological Aviation Report
MFD
Multifunction Display
MSR
Message Success Rate
NOTAM
Notice to Airmen
NEXRAD
Next Generation Radar