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Approximate Lowest Astronomical Tide (VDC_94)

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

RDF: vdc_94.ttl

Name

approxLowestAstronomTide

Attribute

VDC Sounding Datum

Definition

An approximate level, usually within 0.3 metres from that of lowest astronomical tide.

Accepted

2013-10-18

Allowed for

• ZI012 Sounding Metadata

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