Revised Local Reference (RLR) Diagram for CHENNAI

Station ID: 205

RLR diagram based on the information in the datum section below

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Datum information

Add 6.254m to data values up to 1920 to refer to RLR (1964)
Add 6.36m to data values 1952 onwards to refer to RLR (1964)
RLR (1964) is 11.4m below BM 160 / 23