Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
radio frequency band
|
| gptkbp:frequency |
3 kHz to 30 kHz
|
| https://www.w3.org/2000/01/rdf-schema#label |
VLF (very low frequency)
|
| gptkbp:ITUDesignation |
gptkb:VLF
|
| gptkbp:partOf |
radio spectrum
|
| gptkbp:penetration |
sea water
|
| gptkbp:propagationCharacteristic |
ground wave propagation
long distance communication |
| gptkbp:requires |
large antennas
|
| gptkbp:usedBy |
gptkb:learned_society
gptkb:military |
| gptkbp:usedFor |
gptkb:navigation
geophysical research time signal transmission submarine communication |
| gptkbp:wavelengthRange |
10 km to 100 km
|
| gptkbp:bfsParent |
gptkb:RF_(radio_frequency)
|
| gptkbp:bfsLayer |
6
|