Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Electromagnetic radiation
|
| gptkbp:absorbedBy |
gptkb:Atmosphere
|
| gptkbp:canBeModulated |
True
|
| gptkbp:canBeReflectedBy |
gptkb:Ionosphere
|
| gptkbp:cause |
Electromagnetic interference
|
| gptkbp:discoveredBy |
gptkb:Heinrich_Hertz
|
| gptkbp:discoveredIn |
1887
|
| https://www.w3.org/2000/01/rdf-schema#label |
Radio waves
|
| gptkbp:measures |
Antenna
|
| gptkbp:partOf |
Electromagnetic spectrum
|
| gptkbp:polarization |
True
|
| gptkbp:producedBy |
Oscillating electric currents
|
| gptkbp:propagateThrough |
gptkb:vacuum
Air Solid materials |
| gptkbp:regulates |
gptkb:International_Telecommunication_Union
|
| gptkbp:symbol |
RF (Radio Frequency)
|
| gptkbp:travelsAt |
gptkb:Speed_of_light
|
| gptkbp:usedFor |
Wireless networking
Radar Radio communication Television broadcasting Satellite communication Cellular telephony |
| gptkbp:wavelengthRange |
1 millimeter to 100 kilometers
3 kHz to 300 GHz |
| gptkbp:bfsParent |
gptkb:radar
|
| gptkbp:bfsLayer |
4
|