Revised Local Reference (RLR) Diagram for APIA B

Station ID: 1840

RLR diagram based on the information in the datum section below

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Datum information

RLR (2009) is 8.2 m below BM 201
To refer all metric data to RLR (2009) add 6.177 m

Ellipsoidal information from SONEL (explanation)

RLR Height above ellipsoid:31.070 ± 0.017 m
Vertical Land Movement Rate:Not robust
GPS Solution:ULR6
GPS Site Used:SAMO
GPS Availability:2001-07-01 to 2018-03-03