Revised Local Reference (RLR) Diagram for VARNA

Station ID: 318

RLR diagram based on the information in the datum section below

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Datum information

Because of subsidence at the station site the RLR factor was adjusted annually throughout the dataset.
It is therefore not possible to quote a specific RLR factor for the data. See the attached documentation and
also station Bourgas id. 317 for further information.
RLR (1939) is 40.4m below BM No. 11