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Features::Navaids
Points::Navaids]
Definition
An electronic device used to determine the position of a radio source by means of
directional antennas, which receives the strongest radio signal when it is pointing
directly at the transmitter.
Properties
doppler CodeYesNoType Indicates whether the equipment
uses the Doppler effect for higher
precision.
informationProvision InformationService(0..*) An Information Service (such as
TWEB, ASOS, AWOS, etc.)
associated with the Direction
Finder.
Used by
AirTrafficControlService
See diagrams: 1 - Service Overview
2 - Navaid Equipment
DistanceIndication ^
<<feature>> [Logical View::AIXM::AIXM
Features::Navaids
Points::Point Reference]
Definition
A distance reference from a navaid or with reference to a designated point.
Properties
DistanceIndication ^
distance ValDistanceType The value of the
distance.
minimumReceptionAltitude ValDistanceVerticalType The lowest altitude
that an aircraft can
receive signal.
type CodeDistanceIndicationType indicates the distance
is from distance
measuring equipment
or just a simple
distance
fix DesignatedPoint(0..1) A selected point that
may have references
(distance and/or angle
indications)
pointChoice SignificantPoint(0..1) A choice of a navaid,
an airport reference
point, a TLOF aiming
Point, a fix , a lat/long
indicated by point
object, or a Rwy
threshold which
defines the facility
makeup.
annotation Note(0..*)
Used by
PointReference
SegmentLeg
See diagrams: 2 - Designated Point
2 - Point Reference
3 - Segment Leg
DME
(extends: NavaidEquipment)
^
<<feature>> [Logical
View::AIXM::AIXM
Features::Navaids
Points::Navaids]
Definition
DME
(extends: NavaidEquipment)
^
Ultra High Frequency (UHF) ground equipment that is used in conjunction with
airborne equipment to determine distance between the airborne and ground
equipment.
Properties
type CodeDMEType The particular spectrum
characteristics or accuracy of Ultra
High Frequency (UHF) Distance
Measuring Equipment (DME), as a
category.
channel CodeDMEChannelType The channel of the DME. See Annex
10, Table A, end of Chapter 3 for
channelling details and for a list of
allowable values.
ghostFrequency ValFrequencyType The frequency of a virtual VHF
facility paired with the DME
according to ICAO Annex 10, table
A, ch.3.
displace ValDistanceType The distance from the DME antenna
to the position where the zero range
indication occurs in the DME
receiver.
Used by
ProcedureDME
RouteDME
See diagrams: 6 - Route Portion DME
2 - Navaid Equipment
6 - Segment Leg DME
double
(extends: anySimpleType)
^
<<XSDsimpleType>> [Logical
View::XMLSchemaDatatypes
]
Properties
whiteSpace
[Initial Value =
string
double
(extends: anySimpleType)
^
collapse]
See diagrams:
DQ_DataQuality ^
- [Logical View::ISO
19115 Metadata]
Properties
See diagrams:
DQ_Element ^
- [Logical View::ISO
19115 Metadata]
Properties
See diagrams:
DQ_EvaluationMethodTypeCode ^
<<codelist>> [Logical View::ISO
19115 Metadata]
Definition
Annex B.5.6 from ISO19115. Type of method for evaluating an identified data
quality measure.
Properties
directInternal Character1Type Method of evaluating the quality of a
dataset based on inspection of items
within the dataset, where all data
required is internal to the dataset being
evaluated.
directExternal Character1Type Method of evaluating the quality of a
dataset based on inspection of items
within the dataset, where reference data
DQ_EvaluationMethodTypeCode ^
external to the dataset being evaluated
is required.
indirect Character1Type Method of evaluating the quality of a
dataset based on external knowledge.
See diagrams:
duration
(extends: anySimpleType)
^
<<XSDsimpleType>> [Logical
View::XMLSchemaDatatypes
]
Properties
whiteSpace
[Initial Value =
collapse]
string
See diagrams:
ElevatedCurve
(extends: Curve)
^
<<object>> [Logical View::AIXM::AIXM
Features::Geometry]
Definition
An AIXM elevated curve derived from, which extends curve with properties that
represent the vertical position (elevation, datum, accuracy).
　
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