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 6.304m to data values 1923-1964 to refer to RLR
Add 5.999m to data values 1995-2016 to refer to RLR
Add 6.029m to data values 2016 onwards to refer to RLR
RLR is 10.400m below primary benchmark UD 40