Zusammenfassung der Ressource
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