Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:radio_navigation_aid
|
| gptkbp:abbreviation |
gptkb:NDB
|
| gptkbp:category |
gptkb:navigation
radio beacon |
| gptkbp:component |
gptkb:Instrument_Landing_System
|
| gptkbp:detects |
gptkb:Automatic_Direction_Finder
|
| gptkbp:frequency |
190 to 1750 kHz
|
| gptkbp:function |
transmits radio signals in all directions
|
| gptkbp:introduced |
1920s
|
| gptkbp:location |
ground-based
|
| gptkbp:regulates |
gptkb:Federal_Aviation_Administration
gptkb:International_Civil_Aviation_Organization |
| gptkbp:replacedBy |
gptkb:GPS
gptkb:VOR |
| gptkbp:type |
continuous wave
modulated Morse code identifier |
| gptkbp:usedFor |
marine navigation
aircraft navigation |
| gptkbp:usedIn |
aviation
|
| gptkbp:bfsParent |
gptkb:NDB
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Non-Directional Beacon
|