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Depth Unknown (DKC_4)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: dkc_4.ttl

Name

depthUnknown

Attribute

DKC Bathymetric Measurement Quality Category

Definition

The depth from the chart datum to the bottom (or to the top of the dry feature) is unknown.

Description

For negative depth values, the drying height is not known.

Accepted

2013-10-18

Allowed for

• BD130 Hazardous Rock
• BD180 Wreck
• ZI012 Sounding Metadata

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.