Revised Local Reference (RLR) Diagram for GIBRALTAR

Station ID: 981

RLR diagram based on the information in the datum section below

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Datum information

Add 6.174m to all data values up to 1964 to refer to RLR(1964)
Add 6.479m to all data values 1965 onwards to refer to RLR(1964)
RLR (1964) is 9.7m below BM TF 8812 0132