Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Radio frequency
|
| gptkbp:alternativeName |
LF band
|
| gptkbp:frequency |
30 kHz to 300 kHz
|
| gptkbp:historicalName |
Early radio broadcasting
|
| https://www.w3.org/2000/01/rdf-schema#label |
Longwave
|
| gptkbp:ITUDesignation |
Low frequency (LF)
|
| gptkbp:modulatedBy |
Amplitude modulation (AM)
|
| gptkbp:penetratesGround |
Yes
|
| gptkbp:penetratesWater |
Yes
|
| gptkbp:propagationCharacteristic |
Ground wave propagation
|
| gptkbp:rareIn |
gptkb:North_America
|
| gptkbp:regulates |
gptkb:International_Telecommunication_Union_(ITU)
|
| gptkbp:usedBy |
Aviation NDBs
Submarine communication |
| gptkbp:usedFor |
Maritime communication
AM broadcasting Navigational aids Time signal transmission |
| gptkbp:usedIn |
gptkb:Asia
gptkb:Europe |
| gptkbp:wavelengthRange |
1 km to 10 km
|
| gptkbp:bfsParent |
gptkb:Harvard_of_the_South
gptkb:Grundig_Satellit_radio_series |
| gptkbp:bfsLayer |
7
|