Revised Local Reference (RLR) Diagram for SHEERNESS

Station ID: 3

RLR diagram based on the information in the datum section below

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Datum information

Add 7.134m to data values up to 1927 to refer to RLR (1975).
Add 4.391m to data values 1951-1952 to refer to RLR (1975)
Add 4.079m to data values 1968-1975 to refer to RLR (1975).
Add 4.07m to data values 1976-1983 to refer to RLR (1975).
Add 1.55m to data values 1984-1986 to refer to RLR (1975).
Add 4.068m to data values 1987 onwards to refer to RLR (1975).
RLR (1975) is 11.6m below BM TQ 90807549

Ellipsoidal information from SONEL (explanation)

RLR Height above ellipsoid:37.822 ± 0.013 m
Vertical Land Movement Rate:1.09 ± 0.20 mm/yr
GPS Solution:ULR6
GPS Site Used:SHEE
GPS Availability:1997-03-26 to 2018-02-19