=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Ominato             647/111 RLR(1974) is 8.2m below BM Ominato
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Mar-1993
Possible datum shift in record 1969 onwards.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 22-Feb-2011
When Ominato is buddy checked with Asamushi profile actually fits better after the supposed datum shift.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Feb-2013
On the original RLR diagram in the late 1980s the value for BM/TGZ varies by 2-3mm returning to 2.834m in the early 1990s. These adjustments were not incorporated and the RLRFAC remails 5.366m throughout the dataset.