Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geophysical model
|
| gptkbp:basedOn |
gptkb:satellite
aeromagnetic survey data ground-based observatory data |
| gptkbp:covers |
years 2020-2025
|
| gptkbp:describes |
Earth's main magnetic field
|
| gptkbp:developedBy |
gptkb:British_Geological_Survey
gptkb:National_Centers_for_Environmental_Information |
| gptkbp:firstReleased |
1990
|
| gptkbp:frequency |
5 years
|
| https://www.w3.org/2000/01/rdf-schema#label |
World Magnetic Model
|
| gptkbp:latestReleaseVersion |
WMM2020
|
| gptkbp:officialWebsite |
https://www.ncei.noaa.gov/products/world-magnetic-model
|
| gptkbp:provides |
total intensity
magnetic declination magnetic inclination horizontal intensity vertical intensity |
| gptkbp:usedBy |
gptkb:United_Kingdom_Ministry_of_Defence
gptkb:NATO gptkb:United_States_Department_of_Defense civilian navigation systems |
| gptkbp:usedFor |
gptkb:navigation
aeronautical charts marine charts compass correction |
| gptkbp:bfsParent |
gptkb:Earth's_Magnetic_Field
|
| gptkbp:bfsLayer |
6
|