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5942368
ADF Navigation System
Description
ADF Navigation System
No tags specified
automatic direction finder
adf
ndb
1
Mind Map by
KIM SENG TANG
, updated more than 1 year ago
More
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Created by
KIM SENG TANG
over 8 years ago
165
0
0
Resource summary
ADF Navigation System
Airborne Equipment
Automatic Direction Finder
System
Indicator
Fixed Compass Card Indicator or Relative Bearing Indicator
0 degree coincides with Aircraft Nose
ADF Pointer shows Relative Bearing
Fixed Compass Card
Rotating Compass Card Indicator
Manually Adjusted Compass Card
ADF Pointer shows Magnetic Bearing
Radio Magnetic Indicator
Automatic Adjusted Compass Card
ADF Pointer shows Magnetic Bearing
Control Panel
Modes
ADF
Combine Loop and Sense Antenna
ANT / REC
Sense Antenna only
LOOP
Loop Antenna only
BFO
Audio Tone
TEST
Self Check
Receiver
Processes Loop and Sense Signals
Drives a Motor
Rotates Loop Antenna
Rotates ADF Pointer
Antenna Assembly
Loop Antenna
Inductive Type
Senses Magnetic Field (H)
Radiation Pattern
Figure of Eight
Sense Antenna
Capacitive Type
Senses Electric Field (E)
Radiation Pattern
Omni-directional
Combined Loop and Sense Antenna
Radiation Pattern
Cardioid Pattern
Radio Frequencies
190 kHz to 1750 kHz
Low and Medium Frequencies
Ground Station
Non-directional Beacon
Types
Compass Locator
Lower Power
NDB Approach Facility
Low to Medium Power
En-route Airway Beacon
Medium Power
Coastal Beacon
High Power
System
Transmitter
Radio Frequencies
190 kHz to 535 kHz
Power
25 to 2000 watts
Broadcast Message
Morse Code (i.e. dots and dashes)
Voice (e.g. weather forecast)
Vertical Antenna
Radiation Pattern
Omni-directional
Vertical Polarization
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