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Magnetic Variation Anomaly (VAV)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: vav.ttl
- Name
magneticVarAnomaly- Datatype
- RealInterval
- Definition
- The difference between the magnetic variation within a magnetic disturbance area and the magnetic variation of the surrounding area.
- Description
- It is measured east (positive value) or west (negative value) consistent with the directionality of the magnetic declination in general.
- Synonyms
- Magnetic Declination Anomaly
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- planeAngle
- Recommended unit
- Arc Degree
- Used by
- ZC040 Local Magnetic Anomaly
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.