Revised Local Reference (RLR) Diagram for PORTLAND

Station ID: 1547

RLR diagram based on the information in the datum section below

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Datum information

Add 6.500m to data values 1992 onwards to refer to RLR
RLR is 15.669m below primary benchmark PM 116

Ellipsoidal information from SONEL (explanation)

RLR Height above ellipsoid:-10.526 ± 0.007 m
Vertical Land Movement Rate:-0.82 ± 0.59 mm/yr
GNSS Solution:ULR6b
GNSS Availability:2009-09-01 to 2021-10-23