=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-May-1995
Station density along some sections of the Australian coast has meant that station codes 601 onwards have been re-ordered compared to those in earlier versions of the PSMSL data set.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 10-Jan-2002
Sydney, F.Denison 2 680/140 RLR(1972,FD) is 12.7m below PM 101
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 10-Jan-2002
Data in this Sydney, Fort Denison record are true MSL (from hourly values) unlike the MTL of record id.65. The analogue tide gauge was replaced by an acoustic digital gauge in 1996.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Jan-2013
From documentation downloaded from NTC primary benchmark is confirmed as PM 101 (Dept. of Lands) a brass plug 6.647m above datum. There are two sensors at site both SONIC WATER LEVEL SENSORS and both Model SR-10
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-Jun-2019
2018 data replaced - previous version was loaded in error. That data was not from Fort Denison, but from a gauge in a nearby naval base.