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UF94200
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ADF ANTENNAE
IDENTIFICATION
FIN: 3RP1, 3RP2
LOCATION
ZONE: 244, 253
COMPONENT DESCRIPTION
It is a combined loop and sense antenna enclosed in a
fiberglass housing.
The omnidirectional sense antenna is vertically
polarized.
The directional loop antennae are horizontally
polarized.
The output impedance of the antenna is 78 ohms.
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34 - NAVIGATION
34-55-00 VOR/MARKER SYSTEMS PRESENTATION
CONTENTS:
VOR Principle
MKR Principle
Components
VOR Indicating
MKR Indicating
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VOR/MARKER SYSTEMS PRESENTATION
VOR PRINCIPLE
The Very high frequency Omni-directional Range(VOR)
system is a medium-range radio navigation aid.
The VOR system receives, decodes and processes bearing
information from the omni-directional ground station
(working frequency range: 108 to 117.95 Mhz)
The ground VOR station generates a reference phase
signal and a variable phase signal.
The phase difference between these signals, called
bearing, is function of the aircraft position with
respect to the ground station.
The bearing is the angle between the Magnetic North
and the ground station/aircraft axis.
Furthermore, the VOR station provides a Morse
identification which identifies the station.
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VOR/MARKER SYSTEMS PRESENTATION - VOR PRINCIPLE
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VOR/MARKER SYSTEMS PRESENTATION
MRK PRINCIPLE
The MARKER (MKR) system is a radio navigation aid which
indicates the distance between the aircraft and the
runway threshold.
The MARKER (MKR) system is normally used together with
the ILS system during an ILS approach.
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VOR/MARKER SYSTEMS PRESENTATION - MKR PRINCIPLE
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VOR/MARKER SYSTEMS PRESENTATION
COMPONENTS
The VOR and MKR systems are composed of two receivers,
one marker antenna and one dual VOR antenna.
The VOR/MKR system is also connected to:
- Navigation Displays (ND), Primary Flight
Displays (PFD) and VOR/ADF/DME Radio Magnetic
Indicator (VOR/ADF/DME RMI) for display.
- Electronic Flight Instrument System (EFIS)
panels for control display.
- Flight Management and Guidance Computers (FMGC)
for auto-tuning.
- Multipurpose Control Display Units (MCDU) for
manual tuning.
- Captain and First Officer Radio Management
Panels (RMP) for back-up tuning.
- Audio Control Panels (ACP) for VOR/MKR
audio signal.
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VOR/MARKER SYSTEMS PRESENTATION - COMPONENTS
TMUVORG02-P03 LEVEL 1
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