Garmin GNS 400W GPS Receiver User Manual


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12 - MESSAGES
ABBREVIATIONS &
NAV TERMS
208
190-00357-00 Rev E
TKE — Track Angle Error
TMA — ICAO Terminal Control Area
TRANS — Transition
TRFC — Traffic
TRK — Track (also Ground Track) Angle
TRSA — Terminal Radar Service Area
twr — Tower
TX — Transmit
uni — Unicom
UTC — Coordinated Universal Time (also
GMT or “zulu”)
UTM/UPS — Universal Transverse Mercator /
Universal Polar Stereographic grids
VAL — VerticalAlarmLimit
VAR — Variation
VER — Version
VFOM — VerticalFigureofMerit
VFR — VisualFlightRules
VLOC — VOR/LocalizerReceiver
VNAV — VerticalNavigation
VOL — Volume
VOR — VHFOmnidirectionalRadioRange
VPL — VerticalProtectionLevel
VS — VerticalSpeed
VSR — VerticalSpeedRequired
WAAS — Wide Area Augmentation System
WPT — Waypoint
WX — Weather
XTK — Crosstrack Error
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