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In some AIPs, also the date (year) when the station declination was measured is published. Unlike for magnetic variation there is no dedicated attribute for station declination contained in AIXM 5. Corresponding information can only be recorded using a Note.
According to PANS-AIM, for VOR the specific station declination should be provided rather than the local magnetic variation. However, in many AIPs the magnetic variation is published instead.
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The example below shows the station declination of the VOR published. This example shows that both, the station declination of the VOR and the local magnetic variation and the year when it was measured is published. |
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