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190-01122-03 Rev. A
GDL 88 ADS-B Transceiver Pilot’s Guide
7 GLOSSARY
ADS-B Automatic Dependent Surveillance Broadcast. Automatic
Dependent Surveillance–Broadcast (ADS–B) equipment
is an advanced surveillance technology that combines an
aircraft’s positioning source, aircraft avionics, and a ground
infrastructure to create an accurate surveillance interface
between aircraft and ATC.
ADS-B In ADS–B In refers to an appropriately equipped aircraft’s ability to
receive and display another aircraft’s ADS–B Out information
as well as the ADS–B In services provided by ground systems,
including Automatic Dependent Surveillance–Rebroadcast
(ADS–R), Traffic Information Service–Broadcast (TIS–B), and,
if so equipped, Flight Information Service–Broadcast (FIS–B).
ADS-B Out ADS–B Out provides air traffic controllers and other aircraft
with real-time position information that is, in most cases,
more accurate than the information available with current
radar-based systems. With more accurate information, ATC
will be able to position and separate aircraft with improved
precision and timing.
ADS-R ADS Rebroadcast. ADS–R collects traffic information from
each broadcast link and rebroadcasts it to ADS–B In equipped
operators on the other broadcast link.
AIRB Airborne Situational Awareness. An ADS-B In application that
provides the ADS-B and external traffic system targets on a
display to be used by the flight crew for situational awareness.
Anonymous Mode The Anonymous Mode, when armed, will replace the Flight ID
with a temporary randomized number for privacy while the
position information will still be provided.
CSA Conflict Situational Awareness. A traffic alerting feature to
increase flight crew situational awareness of traffic situations
that could lead to a hazardous condition in the near term.
Extended Squitter With Extended Squitter capabilities, position, velocity, and
heading information are automatically transmitted by the
1090 transponder to other aircraft and ground stations.