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14 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Fundamentals (4)
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-Lightweight Airborne System
-Operates in UHF and VHF frequency range -100MHz - 400MHz -Sends Bearing Information to Mission Computer -Indicates a Course Bearing in reference to Aircraft Heading |
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Antenna
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-Receives the RF and modulates it at 155Hz
-Field reversed at 180 degrees |
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An electromagnetic transmitter...
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-sends bearing information to position the ADF Bearing Marker on the HSI
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-Night Effect
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-Caused by the ionoshpere reflecting skywaves
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Bearing Limitations
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-Electrical Disturbance
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-causes extremely erratic hunting
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Bearing Limitations
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-Precipitation Static
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-when charged particles fill the air
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Bearing Limitations
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-Quadrantal Error
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-when aircraft surfaces diffract the RF
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Bearing Limitations
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Direction Finder Group
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-Input: ADF Audio Error
-Output: ADF RF |
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ADF Power
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-26VAC Phase C
-28VDC -115VAC |
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26VAC Phase C
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-Necessary for antenna servo assembly and control converter proper operation
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A395 Relay Assembly
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-Provides relay action to deselect the ADF antenna when radios are keyed
-PUB 600-100, Work Package, 011 00, Page 3, Paragraph 7 |
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Digital computer receives _____ from the control converter
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-Bearing Data
-Input to digital data |
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011 00, Page 4, Table 1
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-Position 1
-Position 2 |
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Bearing Hold Processing
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-Produced when the pilot keys either UHF/VHF receiver-transmitter
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011 00, Page 8, Paragraph 2
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