=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Mar-1993
Possible datum shift in RLR record at around 1940.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Cristobal           904/011 RLR(1964) is 8.8m below PBM 1A Cristobal
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Sep-1995
See comments for CCODE = 840 concerning sea level difference either side of the Panama Canal.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-May-1999
Cristobal data were considered to be affected by problems with automatic tide recorders in the early 1970s and several years of MSL look high compared to nearby stations e.g. Cartagena.
Station moved to Coco Solo (PSMSL code 904/006) in October 1980.