Statements (41)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Earth
|
| gptkbp:affects |
radio wave propagation
|
| gptkbp:discovered_by |
gptkb:Oliver_Heaviside
|
| gptkbp:exists_at_altitude |
approximately 30 to 100 km
|
| gptkbp:first_described_by |
1902
|
| gptkbp:has_role |
over-the-horizon radar
|
| https://www.w3.org/2000/01/rdf-schema#label |
The Heaviside Layer
|
| gptkbp:is_affected_by |
solar activity
solar flares ionospheric disturbances |
| gptkbp:is_characterized_by |
variable density
high electron density electron density fluctuations |
| gptkbp:is_connected_to |
space weather phenomena
|
| gptkbp:is_critical_for |
military communications
|
| gptkbp:is_essential_for |
emergency communications
amateur radio operations aviation communications HF radio transmission |
| gptkbp:is_influenced_by |
gptkb:geomagnetic_storms
gptkb:wind |
| gptkbp:is_part_of |
ionosphere
global navigation satellite systems radio frequency spectrum upper atmosphere D region of the ionosphere |
| gptkbp:is_reflected_in |
radio waves
|
| gptkbp:is_related_to |
F layer
MUF (Maximum Usable Frequency) |
| gptkbp:is_studied_in |
atmospheric science
radio astronomers |
| gptkbp:is_subject_to |
seasonal variations
|
| gptkbp:is_used_in |
gptkb:Telecommunications
long-distance communication |
| gptkbp:is_utilized_in |
satellite communications
|
| gptkbp:known_as |
E layer
|
| gptkbp:located_in |
Earth's atmosphere
|
| gptkbp:measures |
ionosondes
|
| gptkbp:named_after |
gptkb:Oliver_Heaviside
|
| gptkbp:bfsParent |
gptkb:Cats
|
| gptkbp:bfsLayer |
4
|