Attribute: Positional accuracy units

Prohibited for ENC

Acronym: PUNITS

Code: 189

Attribute Type: E

Expected input:

ID Meaning INT 1 M-4
1 metres
2 degrees of arc
3 millimeters
4 feet
5 cables
NEW in S-57 Edition 3.1               

Remarks: This attribute encodes the units for positional accuracy which may be different from the unit for coordinates. The latter is specified at the dataset level in the COUN subfield of the DSPM record.

Object Classes that use PUNITS