=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Hermanus            430/071 RLR(1964) is 8.4m below BM H41G
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Aug-1996
For discussions of MSL changes and extreme sea levels around Namibia and South Africa, see: G.B.Brundrit, S.Afr.J.Mar.Sci.,16,9-17,1995 and S.Searson and G.B.Brundrit, S.Afr.J.of Science, 91,579-588,1995.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Sep-2009
Heights of chart datum relative to land levelling
datum in South Africa and Namibia: Hermanus
Datum: up to 31st Dec 1978 = -0.619
Datum: 1st Jan 1979 - 31st Dec 1997 = -0.900
Datum: 1st Jan 1998 - 31st Dec 2002 = -0.978
Datum: 1st Jan 2003 onwards = -0.788
Datum is now LAT so unlikely to change.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 10-Feb-2021
"The South African Hydrographic Office have asked us to remove this record in line with the Hydrographic Act of 2019 (Act No. 35 of 2019) and the South African Spatial Data Infrastructure Act, 2003 (Act No. 54 of 2003). The data can be obtained directly from SANHO (email: hydrosan@iafrica.com)."

