Item Type : Simple Attribute
Domain : IHO Hydro
AlphaCode : VALACM
Simple AttributeName: Value of Annual Change in Magnetic Variation
Alias : VALACM
CamelCase : valueOfAnnualChangeInMagneticVariation
Data Type : real
Definition : The annual change in magnetic variation values.
Reference : Chapter 2, Page 2.226
Definition Source : IHO Transfer Standard for Digital Hydrographic Data, Appendix A: Object Catalogue - Description of the Feature Coding Schema to be Used for Hydrographic Requirements
Similarity to Source : Identical
Int1 :
S4 :
Remarks : A positive value; that is, unsigned, indicates a change in an easterly direction and a negative value indicates a change in a westerly direction.
Management Details
Proposal Type : Supersession
Submitting Organization : IHO Secretariat
Proposed Change : Standardize Item Name. Add definition source, reference and similarity. Amend remark.
Justification : Standardization of Register content.
Proposed : 2019-12-17
Accepted :
Amended : 2019-12-18
Successor : -
Predecessor : VALACM