Table of Contents
1.0INTRODUCTIONANDDESCRIPTION
1.1PurposeofthisDocument
1.2FunctionsandModesofOperation
1.3Unit-Description
1.4Interchangeability
1.5RegulatoryApproval
2.0INTERCHANGEABILITYSTANDARDS
2.1Introduction
2.2FormFactors,ConnectorsandIndexPinCoding
2.3Interwiring
2.4PrimaryCircuitry
2.5StandardizedSignaling
2.6EnvironmentalConditions
2.7Cooling
3.0SYSTEMDESIGN
3.1SystemApplication
3.2ImpactofAllWeatherLandingProgram
3.3ChannelCapacity
3.4ChannelSelection
3.5Range
3.6SearchSpeed
3.7Outputs
3.8Accuracy
3.9FailureWarning
3.10DualInstallation
3.11FunctionalTest
3.12IntegrityMonitoring
3.13FrequencyScanningMode
4.0DME/PINTERROGATORUNITDESIGN
4.1ChannelCapacityandSelection
4.2DecoderPerformanceCharacteristics
4.3Range
4.4Tracking
4.5AcquisitionTimeLimitCriteria
4.6ProvisionsforILS/DMEandMLS/DMEFacilities
4.7Memory
4.8DataOutputs
4.9Accuracy
4.10FailureWarningAnnunciation
4.11RFPowerOutput
4.12InterrogationRate
4.13DME/PInterrogatorPulseSpectrumand
Characteristics
4.14TransmitterFrequencyStability
4.15ReceiverSensitivity
4.16Co-ChannelPerformance
4.17AdjacentChannelPerformance
4.18InterferenceRejection
4.19TACANAzimuthProvisions
4.20SuppressionPulses
4.21EchoSusceptibility
4.22FunctionalTest
4.23Monitoring
4.24FrequencyScanningMode
5.0INDICATORDESIGNGUIDANCE
5.1StandardDistanceIndicator
5.2AlternativeDMEIndicators
5.3IntegralLighting
5.4SpecialGroundResolution
6.0ANTENNASANDTHEIRINSTALLATION
6.1AntennaPerformanceCharacteristics
6.2InstalledAntennasandTransmissionLineSystems
6.3TypicalAntennaPhysicalConfigurations
6.4PerformanceCharacteristicsofCommonL-Band
Antenna-DME/ATCRBS/DABS/ASAS
6.5AntennaInstallationDataInputtoInterrogator
6.6AntennaSelection
7.0PROVISIONSFORAUTOMATICTESTEQUIPMENT
7.1General
7.2UnitIdentification
8.0BUILT-INTESTEQUIPMENT(BITE)
8.1Built-InTestEquipment
8.2Display
8.3FaultMonitor
8.4Self-TestInitiation
8.5MonitorMemoryOutput
9.0DEFINITIONS
ATTACHMENTS
1DMEInterrogatorUnitConnectorPositioning
2StandardInterwiring
3EnvironmentalTestCategories
4AElectromechanicalDMEIndicator
4BLightBarTypeDMEIndicator
5DMEIndicatorPinConnections
6SuppressionPulseSystemCharacteristics
7TypicalFlushAntennas
8TypicalBladeAntenna
8BTypicalBladeAntenna
9DigitalDataStandards
10SelectionofTACANChannelsNotPairedWith
VHFNAVFrequencies
APPENDICES
1StandardControlPanel
2ExcerptsfromICAOAnnex10"International
StandardsandRecommendedPracticesAeronautical
Telecommunications"RelevanttoDME
3MilitaryStandard-StandardTacticalAirNavigation
(TACAN)Signal
4UnitedStates(U.S.)NationalAviationStandard
fortheVeryHighFrequencyOmnidirectionalRadio
Range(VDR)/DistanceMeasuringEquipment
(DME)/TacticalAirNavigation(TACAN)Systems Abstract
Provides general and specific design guidance for the development of a DME/P, which provides slant range distance from an aircraft to a selected DME ground facility. For landing purposes, the DME/P complements the angle MLS/ILS with precise range data.
