=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Jul-1994
Gauge is an "A Class" bubbler maintained by POL.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-Jun-1998
RLR redefined, 2 June 1997
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Apr-2000
Datums of gauge readjusted 5th June 1997
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 25-Apr-2000
St. Helier 2        180/002 RLR(1995) is 14.7m below TGBM 6465 4764