Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Geophysical phenomenon
|
| gptkbp:alsoKnownAs |
magnetic variation
|
| gptkbp:canBe |
east
west |
| gptkbp:changesDueTo |
secular variation
|
| gptkbp:describes |
angle between magnetic north and true north
|
| gptkbp:determines |
Earth's magnetic field
|
| gptkbp:foundIn |
gptkb:NOAA_magnetic_declination_calculator
|
| https://www.w3.org/2000/01/rdf-schema#label |
Magnetic declination
|
| gptkbp:importantFor |
gptkb:navigation
|
| gptkbp:isNegativeWhen |
magnetic north is west of true north
|
| gptkbp:isPositiveWhen |
magnetic north is east of true north
|
| gptkbp:isZeroAt |
gptkb:agonic_line
|
| gptkbp:measuredWith |
gptkb:navigation
|
| gptkbp:measures |
degrees
|
| gptkbp:recordedAt |
topographic maps
|
| gptkbp:usedBy |
surveyors
mariners pilots |
| gptkbp:variant |
gptkb:time_zone
place |
| gptkbp:bfsParent |
gptkb:Compass_Rose
|
| gptkbp:bfsLayer |
6
|