Revised Local Reference (RLR) Diagram for ALESUND

Station ID: 509

RLR diagram based on the information in the datum section below

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Datum information

Add 7.211m to data values 1945-1960 to refer to RLR
Add 5.650m to data values 1961 onwards to refer to RLR
RLR is 12.700m below primary benchmark TGBM B27 N5

Data

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Revised Local Reference (RLR) Diagram for ALESUND

Station ID: 509

Datum information