Garmin aera 795/796 Pilot’s Guide190-01194-00 Rev. CAppendix J221Overview GPS Navigation Flight Planning Hazard Avoidance Additional Features Appendices IndexAPPENDIX J: GLOSSARYADIZ Air Defense Identification ZoneADS-B Automatic Dependant Surveillance -BroadcastADS-B In Ability to receive ADS-B information from other aircraft andGround Based Transceivers (GBTs)ADS-B Out Ability to transmit ADS-B data on 1090 ES or 978 MHzADS-B ParticipatingAircraftAn aircraft that has both ADS-B In and ADS-B Out capabilities.ADS-R Automatic Dependent Surveillance-RebroadcastAGL Above Ground LevelAIRMET Airman’s Meteorological InformationARTCC Air Route Traffic Control CenterASOS Automated Surface Observing SystemATC Air Traffic ControlATIS Automatic Terminal Information ServiceAWOS Automated Weather Observing SystemBearing The compass direction from the present position to a destinationwaypoint.ºC degrees CelsiusCalibrated Airspeed Indicated airspeed corrected for installation and instrument errors.cm centimeterCOM communication radioCourse The line between two points to be followed by the aircraft.Course to Steer The recommended direction to steer in order to reduce courseerror or stay on course. Provides the most efficient heading to getback to the desired course and proceed along the flight plan.Crosstrack Error The distance the aircraft is off a desired course in either direction,left or right.