=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 30-Jan-2014 Lamu B is a new gauge installed by UH in collaboration with Kenya Marine and Fisheries Institute. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Oct-2015 Using the information from the UHSLC levelling Lamu B has been made RLR. Primary Benchmark is UH -1 4.523m above the datum.