Attribute: Vertical accuracy
Attribute type: F
The one-dimensional error.
The error is assumed to be positive and negative. The plus/minus character shall not be encoded.
The best estimate of the vertical accuracy of heights, vertical distances and vertical clearances, excluding sounding measurements.
Minimum value: 0
Unit: defined in the HUNI subfield of the DSPM record or in the HUNITS attribute of the M_UNIT meta object class, e.g. metre (m)
Resolution: 0.1 m or 0.1 ft
1.2 for an error of 1.2 metres.