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Magnetic Variation Anomaly Description (VA4)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: va4.ttl
- Name
magneticVarAnomalyDes- Datatype
- Text
- Definition
- A description of a magnetic disturbance area, where the local magnetic declination differs from the magnetic declination of the surrounding area.
- Description
- Used, for example, where more than an Attribute: 'Magnetic Variation Anomaly' numeric value is required.
- Synonyms
- Magnetic Declination Anomaly Description
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Used by
- ZC040 Local Magnetic Anomaly
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.