Donate to PSMSL
If the image above appears blurry, or you would like to see a larger image, please view the full-sized image of the RLR diagram.
Add 6.174m to data values 1961-1964 to refer to RLR
Add 6.479m to data values 1965 onwards to refer to RLR
RLR is 9.700m below primary benchmark TF 8812 0132