Revised Local Reference (RLR) Diagram for CHATHAM ISLAND

Station ID: 1920

RLR diagram based on the information in the datum section below

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Datum information

Add 5.0m to all data values to refer to RLR (2001)
RLR (2001) is 9.65m below TGBM upper brass peg

Ellipsoidal information from SONEL (explanation)

RLR Height above ellipsoid:2.754 ± 0.016 m
Vertical Land Movement Rate:-0.51 ± 0.28 mm/yr
GPS Solution:ULR6
GPS Site Used:CHAT
GPS Availability:1995-10-04 to 2012-02-18