Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Radio frequency
|
| gptkbp:abbreviation |
LF
|
| gptkbp:allocates |
gptkb:International_Telecommunication_Union
|
| gptkbp:antennaType |
large antennas required
|
| gptkbp:frequency |
30 kHz to 300 kHz
|
| https://www.w3.org/2000/01/rdf-schema#label |
Low Frequency Radio
|
| gptkbp:ITUDesignation |
LF
|
| gptkbp:modulatedBy |
gptkb:AM
CW digital modes |
| gptkbp:penetration |
good through water and earth
|
| gptkbp:propagation |
ground wave
|
| gptkbp:service |
gptkb:LORAN
MSF time signal NDB (Non-Directional Beacon) WWVB time signal |
| gptkbp:usedBy |
gptkb:military
aviation maritime services radio amateurs |
| gptkbp:usedFor |
gptkb:navigation
submarine communication time signals |
| gptkbp:wavelengthRange |
1 km to 10 km
|
| gptkbp:bfsParent |
gptkb:LFR
|
| gptkbp:bfsLayer |
7
|