Revised Local Reference (RLR) Diagram for PORT ELIZABETH

Station ID: 820

RLR diagram based on the information in the datum section below

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Datum information

Add 5.922m to data values for 1978 to refer to RLR
Add 5.860m to data values 1980-1997 to refer to RLR
Add 5.734m to data values 1998-2002 to refer to RLR
Add 5.924m to data values 2003 onwards to refer to RLR
RLR is 9.400m below primary benchmark BM